diff --git a/dts/include/dt-bindings/arm/ux500_pm_domains.h b/dts/include/dt-bindings/arm/ux500_pm_domains.h
index 398a6c0..9bd764f 100644
--- a/dts/include/dt-bindings/arm/ux500_pm_domains.h
+++ b/dts/include/dt-bindings/arm/ux500_pm_domains.h
@@ -1,8 +1,8 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
 /*
  * Copyright (C) 2014 Linaro Ltd.
  *
  * Author: Ulf Hansson <ulf.hansson@linaro.org>
- * License terms: GNU General Public License (GPL) version 2
  */
 #ifndef _DT_BINDINGS_ARM_UX500_PM_DOMAINS_H
 #define _DT_BINDINGS_ARM_UX500_PM_DOMAINS_H
diff --git a/dts/include/dt-bindings/clock/hi3660-clock.h b/dts/include/dt-bindings/clock/hi3660-clock.h
index 75d583e..e1374e1 100644
--- a/dts/include/dt-bindings/clock/hi3660-clock.h
+++ b/dts/include/dt-bindings/clock/hi3660-clock.h
@@ -1,11 +1,7 @@
+/* SPDX-License-Identifier: GPL-2.0-or-later */
 /*
  * Copyright (c) 2016-2017 Linaro Ltd.
  * Copyright (c) 2016-2017 HiSilicon Technologies Co., Ltd.
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
  */
 
 #ifndef __DTS_HI3660_CLOCK_H
diff --git a/dts/include/dt-bindings/clock/mt2701-clk.h b/dts/include/dt-bindings/clock/mt2701-clk.h
index 9ac2f2b..6d531d5 100644
--- a/dts/include/dt-bindings/clock/mt2701-clk.h
+++ b/dts/include/dt-bindings/clock/mt2701-clk.h
@@ -1,15 +1,7 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
 /*
  * Copyright (c) 2014 MediaTek Inc.
  * Author: Shunli Wang <shunli.wang@mediatek.com>
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
  */
 
 #ifndef _DT_BINDINGS_CLK_MT2701_H
diff --git a/dts/include/dt-bindings/clock/mt2712-clk.h b/dts/include/dt-bindings/clock/mt2712-clk.h
index c3b29df..0800d9c 100644
--- a/dts/include/dt-bindings/clock/mt2712-clk.h
+++ b/dts/include/dt-bindings/clock/mt2712-clk.h
@@ -1,15 +1,7 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
 /*
  * Copyright (c) 2017 MediaTek Inc.
  * Author: Weiyi Lu <weiyi.lu@mediatek.com>
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
  */
 
 #ifndef _DT_BINDINGS_CLK_MT2712_H
diff --git a/dts/include/dt-bindings/clock/mt6797-clk.h b/dts/include/dt-bindings/clock/mt6797-clk.h
index 2f25a5a..dc23ddb 100644
--- a/dts/include/dt-bindings/clock/mt6797-clk.h
+++ b/dts/include/dt-bindings/clock/mt6797-clk.h
@@ -1,15 +1,7 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
 /*
  * Copyright (c) 2017 MediaTek Inc.
  * Author: Kevin Chen <kevin-cw.chen@mediatek.com>
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
  */
 
 #ifndef _DT_BINDINGS_CLK_MT6797_H
diff --git a/dts/include/dt-bindings/clock/mt7622-clk.h b/dts/include/dt-bindings/clock/mt7622-clk.h
index e9d77f0..c12e7ea 100644
--- a/dts/include/dt-bindings/clock/mt7622-clk.h
+++ b/dts/include/dt-bindings/clock/mt7622-clk.h
@@ -1,15 +1,7 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
 /*
  * Copyright (c) 2017 MediaTek Inc.
  * Author: Chen Zhong <chen.zhong@mediatek.com>
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
  */
 
 #ifndef _DT_BINDINGS_CLK_MT7622_H
diff --git a/dts/include/dt-bindings/clock/mt8135-clk.h b/dts/include/dt-bindings/clock/mt8135-clk.h
index 6dac6c0..dad8365 100644
--- a/dts/include/dt-bindings/clock/mt8135-clk.h
+++ b/dts/include/dt-bindings/clock/mt8135-clk.h
@@ -1,15 +1,7 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
 /*
  * Copyright (c) 2014 MediaTek Inc.
  * Author: James Liao <jamesjj.liao@mediatek.com>
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
  */
 
 #ifndef _DT_BINDINGS_CLK_MT8135_H
diff --git a/dts/include/dt-bindings/clock/mt8173-clk.h b/dts/include/dt-bindings/clock/mt8173-clk.h
index 76e4e5b..3acebe9 100644
--- a/dts/include/dt-bindings/clock/mt8173-clk.h
+++ b/dts/include/dt-bindings/clock/mt8173-clk.h
@@ -1,15 +1,7 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
 /*
  * Copyright (c) 2014 MediaTek Inc.
  * Author: James Liao <jamesjj.liao@mediatek.com>
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
  */
 
 #ifndef _DT_BINDINGS_CLK_MT8173_H
diff --git a/dts/include/dt-bindings/clock/oxsemi,ox810se.h b/dts/include/dt-bindings/clock/oxsemi,ox810se.h
index d5facb5..7256365 100644
--- a/dts/include/dt-bindings/clock/oxsemi,ox810se.h
+++ b/dts/include/dt-bindings/clock/oxsemi,ox810se.h
@@ -1,17 +1,6 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
 /*
  * Copyright (C) 2016 Neil Armstrong <narmstrong@baylibre.com>
- *
- * This program is free software; you can redistribute it and/or modify it
- * under the terms and conditions of the GNU General Public License,
- * version 2, as published by the Free Software Foundation.
- *
- * This program is distributed in the hope it will be useful, but WITHOUT
- * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
- * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
- * more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program.  If not, see <http://www.gnu.org/licenses/>.
  */
 
 #ifndef DT_CLOCK_OXSEMI_OX810SE_H
diff --git a/dts/include/dt-bindings/clock/oxsemi,ox820.h b/dts/include/dt-bindings/clock/oxsemi,ox820.h
index f661ecc..55f4226 100644
--- a/dts/include/dt-bindings/clock/oxsemi,ox820.h
+++ b/dts/include/dt-bindings/clock/oxsemi,ox820.h
@@ -1,17 +1,6 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
 /*
  * Copyright (C) 2016 Neil Armstrong <narmstrong@baylibre.com>
- *
- * This program is free software; you can redistribute it and/or modify it
- * under the terms and conditions of the GNU General Public License,
- * version 2, as published by the Free Software Foundation.
- *
- * This program is distributed in the hope it will be useful, but WITHOUT
- * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
- * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
- * more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program.  If not, see <http://www.gnu.org/licenses/>.
  */
 
 #ifndef DT_CLOCK_OXSEMI_OX820_H
diff --git a/dts/include/dt-bindings/clock/pxa-clock.h b/dts/include/dt-bindings/clock/pxa-clock.h
index 0b0fd2b..ce3d6b6 100644
--- a/dts/include/dt-bindings/clock/pxa-clock.h
+++ b/dts/include/dt-bindings/clock/pxa-clock.h
@@ -1,11 +1,7 @@
+/* SPDX-License-Identifier: GPL-2.0-or-later */
 /*
  * Inspired by original work from pxa2xx-regs.h by Nicolas Pitre
  * Copyright (C) 2014 Robert Jarzmik
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
  */
 
 #ifndef __DT_BINDINGS_CLOCK_PXA2XX_H__
diff --git a/dts/include/dt-bindings/clock/r8a73a4-clock.h b/dts/include/dt-bindings/clock/r8a73a4-clock.h
index 4b36681..1ec4827 100644
--- a/dts/include/dt-bindings/clock/r8a73a4-clock.h
+++ b/dts/include/dt-bindings/clock/r8a73a4-clock.h
@@ -1,10 +1,6 @@
+/* SPDX-License-Identifier: GPL-2.0-or-later */
 /*
  * Copyright 2014 Ulrich Hecht
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
  */
 
 #ifndef __DT_BINDINGS_CLOCK_R8A73A4_H__
diff --git a/dts/include/dt-bindings/clock/r8a7740-clock.h b/dts/include/dt-bindings/clock/r8a7740-clock.h
index 476135d..1b3fdb3 100644
--- a/dts/include/dt-bindings/clock/r8a7740-clock.h
+++ b/dts/include/dt-bindings/clock/r8a7740-clock.h
@@ -1,10 +1,6 @@
+/* SPDX-License-Identifier: GPL-2.0-or-later */
 /*
  * Copyright 2014 Ulrich Hecht
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
  */
 
 #ifndef __DT_BINDINGS_CLOCK_R8A7740_H__
diff --git a/dts/include/dt-bindings/clock/r8a7778-clock.h b/dts/include/dt-bindings/clock/r8a7778-clock.h
index d0bff9e..4a32b36 100644
--- a/dts/include/dt-bindings/clock/r8a7778-clock.h
+++ b/dts/include/dt-bindings/clock/r8a7778-clock.h
@@ -1,10 +1,6 @@
+/* SPDX-License-Identifier: GPL-2.0-or-later */
 /*
  * Copyright (C) 2014 Ulrich Hecht
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
  */
 
 #ifndef __DT_BINDINGS_CLOCK_R8A7778_H__
diff --git a/dts/include/dt-bindings/clock/r8a7779-clock.h b/dts/include/dt-bindings/clock/r8a7779-clock.h
index 381a611..f054923 100644
--- a/dts/include/dt-bindings/clock/r8a7779-clock.h
+++ b/dts/include/dt-bindings/clock/r8a7779-clock.h
@@ -1,12 +1,8 @@
+/* SPDX-License-Identifier: GPL-2.0-or-later */
 /*
  * Copyright (C) 2013  Horms Solutions Ltd.
  *
  * Contact: Simon Horman <horms@verge.net.au>
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
  */
 
 #ifndef __DT_BINDINGS_CLOCK_R8A7779_H__
diff --git a/dts/include/dt-bindings/clock/r8a7790-clock.h b/dts/include/dt-bindings/clock/r8a7790-clock.h
index 20641fa..c92ff1e 100644
--- a/dts/include/dt-bindings/clock/r8a7790-clock.h
+++ b/dts/include/dt-bindings/clock/r8a7790-clock.h
@@ -1,10 +1,6 @@
+/* SPDX-License-Identifier: GPL-2.0-or-later */
 /*
  * Copyright 2013 Ideas On Board SPRL
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
  */
 
 #ifndef __DT_BINDINGS_CLOCK_R8A7790_H__
diff --git a/dts/include/dt-bindings/clock/r8a7791-clock.h b/dts/include/dt-bindings/clock/r8a7791-clock.h
index ef69213..bb4f18b 100644
--- a/dts/include/dt-bindings/clock/r8a7791-clock.h
+++ b/dts/include/dt-bindings/clock/r8a7791-clock.h
@@ -1,10 +1,6 @@
+/* SPDX-License-Identifier: GPL-2.0-or-later */
 /*
  * Copyright 2013 Ideas On Board SPRL
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
  */
 
 #ifndef __DT_BINDINGS_CLOCK_R8A7791_H__
diff --git a/dts/include/dt-bindings/clock/r8a7792-clock.h b/dts/include/dt-bindings/clock/r8a7792-clock.h
index 5be90bc..2948d9c 100644
--- a/dts/include/dt-bindings/clock/r8a7792-clock.h
+++ b/dts/include/dt-bindings/clock/r8a7792-clock.h
@@ -1,10 +1,6 @@
+/* SPDX-License-Identifier: GPL-2.0-or-later */
 /*
  * Copyright (C) 2016 Cogent Embedded, Inc.
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
  */
 
 #ifndef __DT_BINDINGS_CLOCK_R8A7792_H__
diff --git a/dts/include/dt-bindings/clock/rk3036-cru.h b/dts/include/dt-bindings/clock/rk3036-cru.h
index de44109..35a5a01 100644
--- a/dts/include/dt-bindings/clock/rk3036-cru.h
+++ b/dts/include/dt-bindings/clock/rk3036-cru.h
@@ -1,16 +1,7 @@
+/* SPDX-License-Identifier: GPL-2.0-or-later */
 /*
  * Copyright (c) 2015 Rockchip Electronics Co. Ltd.
  * Author: Xing Zheng <zhengxing@rock-chips.com>
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
  */
 
 #ifndef _DT_BINDINGS_CLK_ROCKCHIP_RK3036_H
diff --git a/dts/include/dt-bindings/clock/rk3066a-cru.h b/dts/include/dt-bindings/clock/rk3066a-cru.h
index d3a9824..553f972 100644
--- a/dts/include/dt-bindings/clock/rk3066a-cru.h
+++ b/dts/include/dt-bindings/clock/rk3066a-cru.h
@@ -1,16 +1,7 @@
+/* SPDX-License-Identifier: GPL-2.0-or-later */
 /*
  * Copyright (c) 2014 MundoReader S.L.
  * Author: Heiko Stuebner <heiko@sntech.de>
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
  */
 
 #ifndef _DT_BINDINGS_CLK_ROCKCHIP_RK3066A_H
diff --git a/dts/include/dt-bindings/clock/rk3128-cru.h b/dts/include/dt-bindings/clock/rk3128-cru.h
index 92894f4..6a47825 100644
--- a/dts/include/dt-bindings/clock/rk3128-cru.h
+++ b/dts/include/dt-bindings/clock/rk3128-cru.h
@@ -1,16 +1,7 @@
+/* SPDX-License-Identifier: GPL-2.0-or-later */
 /*
  * Copyright (c) 2017 Rockchip Electronics Co. Ltd.
  * Author: Elaine <zhangqing@rock-chips.com>
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
  */
 
 #ifndef _DT_BINDINGS_CLK_ROCKCHIP_RK3128_H
diff --git a/dts/include/dt-bindings/clock/rk3188-cru-common.h b/dts/include/dt-bindings/clock/rk3188-cru-common.h
index dc2101a..afad906 100644
--- a/dts/include/dt-bindings/clock/rk3188-cru-common.h
+++ b/dts/include/dt-bindings/clock/rk3188-cru-common.h
@@ -1,16 +1,7 @@
+/* SPDX-License-Identifier: GPL-2.0-or-later */
 /*
  * Copyright (c) 2014 MundoReader S.L.
  * Author: Heiko Stuebner <heiko@sntech.de>
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
  */
 
 #ifndef _DT_BINDINGS_CLK_ROCKCHIP_RK3188_COMMON_H
diff --git a/dts/include/dt-bindings/clock/rk3188-cru.h b/dts/include/dt-bindings/clock/rk3188-cru.h
index 9f2e631..c45916a 100644
--- a/dts/include/dt-bindings/clock/rk3188-cru.h
+++ b/dts/include/dt-bindings/clock/rk3188-cru.h
@@ -1,16 +1,7 @@
+/* SPDX-License-Identifier: GPL-2.0-or-later */
 /*
  * Copyright (c) 2014 MundoReader S.L.
  * Author: Heiko Stuebner <heiko@sntech.de>
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
  */
 
 #ifndef _DT_BINDINGS_CLK_ROCKCHIP_RK3188_H
diff --git a/dts/include/dt-bindings/clock/rk3228-cru.h b/dts/include/dt-bindings/clock/rk3228-cru.h
index 55655ab..3b245e3 100644
--- a/dts/include/dt-bindings/clock/rk3228-cru.h
+++ b/dts/include/dt-bindings/clock/rk3228-cru.h
@@ -1,16 +1,7 @@
+/* SPDX-License-Identifier: GPL-2.0-or-later */
 /*
  * Copyright (c) 2015 Rockchip Electronics Co. Ltd.
  * Author: Jeffy Chen <jeffy.chen@rock-chips.com>
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
  */
 
 #ifndef _DT_BINDINGS_CLK_ROCKCHIP_RK3228_H
diff --git a/dts/include/dt-bindings/clock/rk3288-cru.h b/dts/include/dt-bindings/clock/rk3288-cru.h
index d7b6c83..33819ac 100644
--- a/dts/include/dt-bindings/clock/rk3288-cru.h
+++ b/dts/include/dt-bindings/clock/rk3288-cru.h
@@ -1,16 +1,7 @@
+/* SPDX-License-Identifier: GPL-2.0-or-later */
 /*
  * Copyright (c) 2014 MundoReader S.L.
  * Author: Heiko Stuebner <heiko@sntech.de>
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
  */
 
 #ifndef _DT_BINDINGS_CLK_ROCKCHIP_RK3288_H
diff --git a/dts/include/dt-bindings/clock/rk3328-cru.h b/dts/include/dt-bindings/clock/rk3328-cru.h
index bcaa455..afb8113 100644
--- a/dts/include/dt-bindings/clock/rk3328-cru.h
+++ b/dts/include/dt-bindings/clock/rk3328-cru.h
@@ -1,16 +1,7 @@
+/* SPDX-License-Identifier: GPL-2.0-or-later */
 /*
  * Copyright (c) 2016 Rockchip Electronics Co. Ltd.
  * Author: Elaine <zhangqing@rock-chips.com>
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
  */
 
 #ifndef _DT_BINDINGS_CLK_ROCKCHIP_RK3328_H
diff --git a/dts/include/dt-bindings/clock/rk3368-cru.h b/dts/include/dt-bindings/clock/rk3368-cru.h
index a0063ed..0a06c5f 100644
--- a/dts/include/dt-bindings/clock/rk3368-cru.h
+++ b/dts/include/dt-bindings/clock/rk3368-cru.h
@@ -1,15 +1,6 @@
+/* SPDX-License-Identifier: GPL-2.0-or-later */
 /*
  * Copyright (c) 2015 Heiko Stuebner <heiko@sntech.de>
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
  */
 
 #ifndef _DT_BINDINGS_CLK_ROCKCHIP_RK3368_H
diff --git a/dts/include/dt-bindings/clock/rk3399-cru.h b/dts/include/dt-bindings/clock/rk3399-cru.h
index 22cb1df..44e0a31 100644
--- a/dts/include/dt-bindings/clock/rk3399-cru.h
+++ b/dts/include/dt-bindings/clock/rk3399-cru.h
@@ -1,16 +1,7 @@
+/* SPDX-License-Identifier: GPL-2.0-or-later */
 /*
  * Copyright (c) 2016 Rockchip Electronics Co. Ltd.
  * Author: Xing Zheng <zhengxing@rock-chips.com>
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
  */
 
 #ifndef _DT_BINDINGS_CLK_ROCKCHIP_RK3399_H
diff --git a/dts/include/dt-bindings/clock/rv1108-cru.h b/dts/include/dt-bindings/clock/rv1108-cru.h
index d8d0e04..41d7d60 100644
--- a/dts/include/dt-bindings/clock/rv1108-cru.h
+++ b/dts/include/dt-bindings/clock/rv1108-cru.h
@@ -1,16 +1,7 @@
+/* SPDX-License-Identifier: GPL-2.0-or-later */
 /*
  * Copyright (c) 2016 Rockchip Electronics Co. Ltd.
  * Author: Shawn Lin <shawn.lin@rock-chips.com>
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
  */
 
 #ifndef _DT_BINDINGS_CLK_ROCKCHIP_RV1108_H
diff --git a/dts/include/dt-bindings/clock/sh73a0-clock.h b/dts/include/dt-bindings/clock/sh73a0-clock.h
index 2eca353..5b544ad 100644
--- a/dts/include/dt-bindings/clock/sh73a0-clock.h
+++ b/dts/include/dt-bindings/clock/sh73a0-clock.h
@@ -1,10 +1,6 @@
+/* SPDX-License-Identifier: GPL-2.0-or-later */
 /*
  * Copyright 2014 Ulrich Hecht
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
  */
 
 #ifndef __DT_BINDINGS_CLOCK_SH73A0_H__
diff --git a/dts/include/dt-bindings/clock/stm32fx-clock.h b/dts/include/dt-bindings/clock/stm32fx-clock.h
index 7d34e29..1cc89c5 100644
--- a/dts/include/dt-bindings/clock/stm32fx-clock.h
+++ b/dts/include/dt-bindings/clock/stm32fx-clock.h
@@ -1,9 +1,9 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
 /*
  * stm32fx-clock.h
  *
  * Copyright (C) 2016 STMicroelectronics
  * Author: Gabriel Fernandez for STMicroelectronics.
- * License terms:  GNU General Public License (GPL), version 2
  */
 
 /*
diff --git a/dts/include/dt-bindings/clock/sun5i-ccu.h b/dts/include/dt-bindings/clock/sun5i-ccu.h
index 2e6b9dd..75fe561 100644
--- a/dts/include/dt-bindings/clock/sun5i-ccu.h
+++ b/dts/include/dt-bindings/clock/sun5i-ccu.h
@@ -1,17 +1,8 @@
+/* SPDX-License-Identifier: GPL-2.0-or-later */
 /*
  * Copyright 2016 Maxime Ripard
  *
  * Maxime Ripard <maxime.ripard@free-electrons.com>
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
  */
 
 #ifndef _DT_BINDINGS_CLK_SUN5I_H_
diff --git a/dts/include/dt-bindings/clock/vf610-clock.h b/dts/include/dt-bindings/clock/vf610-clock.h
index 4599775..95394f3 100644
--- a/dts/include/dt-bindings/clock/vf610-clock.h
+++ b/dts/include/dt-bindings/clock/vf610-clock.h
@@ -1,10 +1,6 @@
+/* SPDX-License-Identifier: GPL-2.0-or-later */
 /*
  * Copyright 2013 Freescale Semiconductor, Inc.
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
  */
 
 #ifndef __DT_BINDINGS_CLOCK_VF610_H
diff --git a/dts/include/dt-bindings/dma/nbpfaxi.h b/dts/include/dt-bindings/dma/nbpfaxi.h
index c1a5b9e..88e59ac 100644
--- a/dts/include/dt-bindings/dma/nbpfaxi.h
+++ b/dts/include/dt-bindings/dma/nbpfaxi.h
@@ -1,10 +1,7 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
 /*
  * Copyright (C) 2013-2014 Renesas Electronics Europe Ltd.
  * Author: Guennadi Liakhovetski <g.liakhovetski@gmx.de>
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of version 2 of the GNU General Public License as
- * published by the Free Software Foundation.
  */
 
 #ifndef DT_BINDINGS_NBPFAXI_H
diff --git a/dts/include/dt-bindings/input/ti-drv260x.h b/dts/include/dt-bindings/input/ti-drv260x.h
index 2626e6d..af71082 100644
--- a/dts/include/dt-bindings/input/ti-drv260x.h
+++ b/dts/include/dt-bindings/input/ti-drv260x.h
@@ -1,18 +1,10 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
 /*
  * DRV260X haptics driver family
  *
  * Author: Dan Murphy <dmurphy@ti.com>
  *
  * Copyright:   (C) 2014 Texas Instruments, Inc.
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
- *
- * This program is distributed in the hope that it will be useful, but
- * WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
- * General Public License for more details.
  */
 
 #ifndef _DT_BINDINGS_TI_DRV260X_H
diff --git a/dts/include/dt-bindings/media/omap3-isp.h b/dts/include/dt-bindings/media/omap3-isp.h
index b18c60e..436c712 100644
--- a/dts/include/dt-bindings/media/omap3-isp.h
+++ b/dts/include/dt-bindings/media/omap3-isp.h
@@ -1,16 +1,8 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
 /*
  * include/dt-bindings/media/omap3-isp.h
  *
  * Copyright (C) 2015 Sakari Ailus
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License
- * version 2 as published by the Free Software Foundation.
- *
- * This program is distributed in the hope that it will be useful, but
- * WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
- * General Public License for more details.
  */
 
 #ifndef __DT_BINDINGS_OMAP3_ISP_H__
diff --git a/dts/include/dt-bindings/memory/mt2701-larb-port.h b/dts/include/dt-bindings/memory/mt2701-larb-port.h
index 6764d74..2d85c2e 100644
--- a/dts/include/dt-bindings/memory/mt2701-larb-port.h
+++ b/dts/include/dt-bindings/memory/mt2701-larb-port.h
@@ -1,15 +1,7 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
 /*
  * Copyright (c) 2015 MediaTek Inc.
  * Author: Honghui Zhang <honghui.zhang@mediatek.com>
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
  */
 
 #ifndef _MT2701_LARB_PORT_H_
diff --git a/dts/include/dt-bindings/memory/mt8173-larb-port.h b/dts/include/dt-bindings/memory/mt8173-larb-port.h
index 111b4b0..9f31ccf 100644
--- a/dts/include/dt-bindings/memory/mt8173-larb-port.h
+++ b/dts/include/dt-bindings/memory/mt8173-larb-port.h
@@ -1,15 +1,7 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
 /*
  * Copyright (c) 2015-2016 MediaTek Inc.
  * Author: Yong Wu <yong.wu@mediatek.com>
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
  */
 #ifndef __DTS_IOMMU_PORT_MT8173_H
 #define __DTS_IOMMU_PORT_MT8173_H
diff --git a/dts/include/dt-bindings/net/ti-dp83867.h b/dts/include/dt-bindings/net/ti-dp83867.h
index 7b16564..3b48847 100644
--- a/dts/include/dt-bindings/net/ti-dp83867.h
+++ b/dts/include/dt-bindings/net/ti-dp83867.h
@@ -1,18 +1,10 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
 /*
  * Device Tree constants for the Texas Instruments DP83867 PHY
  *
  * Author: Dan Murphy <dmurphy@ti.com>
  *
  * Copyright:   (C) 2015 Texas Instruments, Inc.
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
- *
- * This program is distributed in the hope that it will be useful, but
- * WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
- * General Public License for more details.
  */
 
 #ifndef _DT_BINDINGS_TI_DP83867_H
diff --git a/dts/include/dt-bindings/phy/phy.h b/dts/include/dt-bindings/phy/phy.h
index d16e875..b6a1eaf 100644
--- a/dts/include/dt-bindings/phy/phy.h
+++ b/dts/include/dt-bindings/phy/phy.h
@@ -1,10 +1,10 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
 /*
  *
  * This header provides constants for the phy framework
  *
  * Copyright (C) 2014 STMicroelectronics
  * Author: Gabriel Fernandez <gabriel.fernandez@st.com>
- * License terms:  GNU General Public License (GPL), version 2
  */
 
 #ifndef _DT_BINDINGS_PHY
diff --git a/dts/include/dt-bindings/pinctrl/mt65xx.h b/dts/include/dt-bindings/pinctrl/mt65xx.h
index 1198f45..7e16e58 100644
--- a/dts/include/dt-bindings/pinctrl/mt65xx.h
+++ b/dts/include/dt-bindings/pinctrl/mt65xx.h
@@ -1,15 +1,7 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
 /*
  * Copyright (c) 2014 MediaTek Inc.
  * Author: Hongzhou.Yang <hongzhou.yang@mediatek.com>
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
  */
 
 #ifndef _DT_BINDINGS_PINCTRL_MT65XX_H
diff --git a/dts/include/dt-bindings/pinctrl/nomadik.h b/dts/include/dt-bindings/pinctrl/nomadik.h
index 638fb32..fa24565 100644
--- a/dts/include/dt-bindings/pinctrl/nomadik.h
+++ b/dts/include/dt-bindings/pinctrl/nomadik.h
@@ -1,9 +1,9 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
 /*
  * nomadik.h
  *
  * Copyright (C) ST-Ericsson SA 2013
  * Author: Gabriel Fernandez <gabriel.fernandez@st.com> for ST-Ericsson.
- * License terms:  GNU General Public License (GPL), version 2
  */
 
 #define INPUT_NOPULL		0
diff --git a/dts/include/dt-bindings/pinctrl/rockchip.h b/dts/include/dt-bindings/pinctrl/rockchip.h
index aaec8ba..dc5c1c7 100644
--- a/dts/include/dt-bindings/pinctrl/rockchip.h
+++ b/dts/include/dt-bindings/pinctrl/rockchip.h
@@ -1,18 +1,9 @@
+/* SPDX-License-Identifier: GPL-2.0-or-later */
 /*
  * Header providing constants for Rockchip pinctrl bindings.
  *
  * Copyright (c) 2013 MundoReader S.L.
  * Author: Heiko Stuebner <heiko@sntech.de>
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
  */
 
 #ifndef __DT_BINDINGS_ROCKCHIP_PINCTRL_H__
diff --git a/dts/include/dt-bindings/power/mt2701-power.h b/dts/include/dt-bindings/power/mt2701-power.h
index 64cc826..09e16f8 100644
--- a/dts/include/dt-bindings/power/mt2701-power.h
+++ b/dts/include/dt-bindings/power/mt2701-power.h
@@ -1,14 +1,6 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
 /*
  * Copyright (C) 2015 MediaTek Inc.
- *
- * This program is free software: you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
  */
 
 #ifndef _DT_BINDINGS_POWER_MT2701_POWER_H
diff --git a/dts/include/dt-bindings/power/tegra186-powergate.h b/dts/include/dt-bindings/power/tegra186-powergate.h
index 388d6e2..31fd3f9 100644
--- a/dts/include/dt-bindings/power/tegra186-powergate.h
+++ b/dts/include/dt-bindings/power/tegra186-powergate.h
@@ -1,17 +1,6 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
 /*
  * Copyright (c) 2015-2016, NVIDIA CORPORATION.  All rights reserved.
- *
- * This program is free software; you can redistribute it and/or modify it
- * under the terms and conditions of the GNU General Public License,
- * version 2, as published by the Free Software Foundation.
- *
- * This program is distributed in the hope it will be useful, but WITHOUT
- * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
- * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
- * more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program.  If not, see <http://www.gnu.org/licenses/>.
  */
 
 #ifndef _DT_BINDINGS_POWER_TEGRA186_POWERGATE_H
diff --git a/dts/include/dt-bindings/reset/altr,rst-mgr-a10sr.h b/dts/include/dt-bindings/reset/altr,rst-mgr-a10sr.h
index 9855925..09a15ea 100644
--- a/dts/include/dt-bindings/reset/altr,rst-mgr-a10sr.h
+++ b/dts/include/dt-bindings/reset/altr,rst-mgr-a10sr.h
@@ -1,18 +1,7 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
 /*
  *  Copyright Intel Corporation (C) 2017. All Rights Reserved
  *
- * This program is free software; you can redistribute it and/or modify it
- * under the terms and conditions of the GNU General Public License,
- * version 2, as published by the Free Software Foundation.
- *
- * This program is distributed in the hope it will be useful, but WITHOUT
- * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
- * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
- * more details.
- *
- * You should have received a copy of the GNU General Public License along with
- * this program.  If not, see <http://www.gnu.org/licenses/>.
- *
  * Reset binding definitions for Altera Arria10 MAX5 System Resource Chip
  *
  * Adapted from altr,rst-mgr-a10.h
diff --git a/dts/include/dt-bindings/reset/altr,rst-mgr-s10.h b/dts/include/dt-bindings/reset/altr,rst-mgr-s10.h
index 7978c21..70ea3a0 100644
--- a/dts/include/dt-bindings/reset/altr,rst-mgr-s10.h
+++ b/dts/include/dt-bindings/reset/altr,rst-mgr-s10.h
@@ -1,19 +1,8 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
 /*
  * Copyright (C) 2016 Intel Corporation. All rights reserved
  * Copyright (C) 2016 Altera Corporation. All rights reserved
  *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms and conditions of the GNU General Public License,
- * version 2, as published by the Free Software Foundation.
- *
- * This program is distributed in the hope it will be useful, but WITHOUT
- * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
- * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
- * more details.
- *
- * You should have received a copy of the GNU General Public License along with
- * this program.  If not, see <http://www.gnu.org/licenses/>.
- *
  * derived from Steffen Trumtrar's "altr,rst-mgr-a10.h"
  */
 
diff --git a/dts/include/dt-bindings/reset/imx7-reset.h b/dts/include/dt-bindings/reset/imx7-reset.h
index 31b3f87..a5b35b4 100644
--- a/dts/include/dt-bindings/reset/imx7-reset.h
+++ b/dts/include/dt-bindings/reset/imx7-reset.h
@@ -1,19 +1,8 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
 /*
  * Copyright (C) 2017 Impinj, Inc.
  *
  * Author: Andrey Smirnov <andrew.smirnov@gmail.com>
- *
- * This program is free software; you can redistribute it and/or modify it
- * under the terms and conditions of the GNU General Public License,
- * version 2, as published by the Free Software Foundation.
- *
- * This program is distributed in the hope it will be useful, but WITHOUT
- * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
- * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
- * more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program.  If not, see <http://www.gnu.org/licenses/>.
  */
 
 #ifndef DT_BINDING_RESET_IMX7_H
diff --git a/dts/include/dt-bindings/reset/mt2701-resets.h b/dts/include/dt-bindings/reset/mt2701-resets.h
index 50b7f06..91e4200 100644
--- a/dts/include/dt-bindings/reset/mt2701-resets.h
+++ b/dts/include/dt-bindings/reset/mt2701-resets.h
@@ -1,14 +1,6 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
 /*
  * Copyright (c) 2015 MediaTek, Shunli Wang <shunli.wang@mediatek.com>
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
  */
 
 #ifndef _DT_BINDINGS_RESET_CONTROLLER_MT2701
diff --git a/dts/include/dt-bindings/reset/mt7622-reset.h b/dts/include/dt-bindings/reset/mt7622-reset.h
index 234052f..da0d1ae 100644
--- a/dts/include/dt-bindings/reset/mt7622-reset.h
+++ b/dts/include/dt-bindings/reset/mt7622-reset.h
@@ -1,15 +1,7 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
 /*
  * Copyright (c) 2017 MediaTek Inc.
  * Author: Sean Wang <sean.wang@mediatek.com>
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
  */
 
 #ifndef _DT_BINDINGS_RESET_CONTROLLER_MT7622
diff --git a/dts/include/dt-bindings/reset/mt8135-resets.h b/dts/include/dt-bindings/reset/mt8135-resets.h
index 1fb6295..8c060d0 100644
--- a/dts/include/dt-bindings/reset/mt8135-resets.h
+++ b/dts/include/dt-bindings/reset/mt8135-resets.h
@@ -1,15 +1,7 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
 /*
  * Copyright (c) 2014 MediaTek Inc.
  * Author: Flora Fu, MediaTek
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
  */
 
 #ifndef _DT_BINDINGS_RESET_CONTROLLER_MT8135
diff --git a/dts/include/dt-bindings/reset/mt8173-resets.h b/dts/include/dt-bindings/reset/mt8173-resets.h
index 9464b37..ba8636e 100644
--- a/dts/include/dt-bindings/reset/mt8173-resets.h
+++ b/dts/include/dt-bindings/reset/mt8173-resets.h
@@ -1,15 +1,7 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
 /*
  * Copyright (c) 2014 MediaTek Inc.
  * Author: Flora Fu, MediaTek
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
  */
 
 #ifndef _DT_BINDINGS_RESET_CONTROLLER_MT8173
diff --git a/dts/include/dt-bindings/reset/oxsemi,ox810se.h b/dts/include/dt-bindings/reset/oxsemi,ox810se.h
index 960c26e..e943187 100644
--- a/dts/include/dt-bindings/reset/oxsemi,ox810se.h
+++ b/dts/include/dt-bindings/reset/oxsemi,ox810se.h
@@ -1,17 +1,6 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
 /*
  * Copyright (C) 2016 Neil Armstrong <narmstrong@baylibre.com>
- *
- * This program is free software; you can redistribute it and/or modify it
- * under the terms and conditions of the GNU General Public License,
- * version 2, as published by the Free Software Foundation.
- *
- * This program is distributed in the hope it will be useful, but WITHOUT
- * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
- * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
- * more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program.  If not, see <http://www.gnu.org/licenses/>.
  */
 
 #ifndef DT_RESET_OXSEMI_OX810SE_H
diff --git a/dts/include/dt-bindings/reset/oxsemi,ox820.h b/dts/include/dt-bindings/reset/oxsemi,ox820.h
index cc6797b..54b58e0 100644
--- a/dts/include/dt-bindings/reset/oxsemi,ox820.h
+++ b/dts/include/dt-bindings/reset/oxsemi,ox820.h
@@ -1,17 +1,6 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
 /*
  * Copyright (C) 2016 Neil Armstrong <narmstrong@baylibre.com>
- *
- * This program is free software; you can redistribute it and/or modify it
- * under the terms and conditions of the GNU General Public License,
- * version 2, as published by the Free Software Foundation.
- *
- * This program is distributed in the hope it will be useful, but WITHOUT
- * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
- * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
- * more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program.  If not, see <http://www.gnu.org/licenses/>.
  */
 
 #ifndef DT_RESET_OXSEMI_OX820_H
diff --git a/dts/include/dt-bindings/reset/sun5i-ccu.h b/dts/include/dt-bindings/reset/sun5i-ccu.h
index c2b9726..40cc22a 100644
--- a/dts/include/dt-bindings/reset/sun5i-ccu.h
+++ b/dts/include/dt-bindings/reset/sun5i-ccu.h
@@ -1,17 +1,8 @@
+/* SPDX-License-Identifier: GPL-2.0-or-later */
 /*
  * Copyright 2016 Maxime Ripard
  *
  * Maxime Ripard <maxime.ripard@free-electrons.com>
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
  */
 
 #ifndef _RST_SUN5I_H_
diff --git a/dts/include/dt-bindings/reset/tegra186-reset.h b/dts/include/dt-bindings/reset/tegra186-reset.h
index 8a184e3..3c60e3e 100644
--- a/dts/include/dt-bindings/reset/tegra186-reset.h
+++ b/dts/include/dt-bindings/reset/tegra186-reset.h
@@ -1,17 +1,6 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
 /*
  * Copyright (c) 2015, NVIDIA CORPORATION.  All rights reserved.
- *
- * This program is free software; you can redistribute it and/or modify it
- * under the terms and conditions of the GNU General Public License,
- * version 2, as published by the Free Software Foundation.
- *
- * This program is distributed in the hope it will be useful, but WITHOUT
- * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
- * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
- * more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program.  If not, see <http://www.gnu.org/licenses/>.
  */
 
 #ifndef _ABI_MACH_T186_RESET_T186_H_
diff --git a/dts/include/dt-bindings/reset/ti-syscon.h b/dts/include/dt-bindings/reset/ti-syscon.h
index 884fd91..6d696d2 100644
--- a/dts/include/dt-bindings/reset/ti-syscon.h
+++ b/dts/include/dt-bindings/reset/ti-syscon.h
@@ -1,17 +1,8 @@
+/* SPDX-License-Identifier: GPL-2.0-or-later */
 /*
  * TI Syscon Reset definitions
  *
  * Copyright (C) 2015-2016 Texas Instruments Incorporated - http://www.ti.com/
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
  */
 
 #ifndef __DT_BINDINGS_RESET_TI_SYSCON_H__
diff --git a/dts/include/dt-bindings/soc/zte,pm_domains.h b/dts/include/dt-bindings/soc/zte,pm_domains.h
index a0b4019..df04470 100644
--- a/dts/include/dt-bindings/soc/zte,pm_domains.h
+++ b/dts/include/dt-bindings/soc/zte,pm_domains.h
@@ -1,8 +1,8 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
 /*
  * Copyright (C) 2017 Linaro Ltd.
  *
  * Author: Baoyou Xie <baoyou.xie@linaro.org>
- * License terms: GNU General Public License (GPL) version 2
  */
 
 #ifndef _DT_BINDINGS_SOC_ZTE_PM_DOMAINS_H
diff --git a/dts/src/arm/animeo_ip.dts b/dts/src/arm/animeo_ip.dts
index d7c8419..c36d28c 100644
--- a/dts/src/arm/animeo_ip.dts
+++ b/dts/src/arm/animeo_ip.dts
@@ -1,9 +1,8 @@
+// SPDX-License-Identifier: GPL-2.0-only
 /*
  * animeo_ip.dts - Device Tree file for Somfy Animeo IP Boards
  *
  *  Copyright (C) 2011-2012 Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>
- *
- * Licensed under GPLv2 only.
  */
 
 /dts-v1/;
diff --git a/dts/src/arm/at91-qil_a9260.dts b/dts/src/arm/at91-qil_a9260.dts
index 72e9148..a50b7fd 100644
--- a/dts/src/arm/at91-qil_a9260.dts
+++ b/dts/src/arm/at91-qil_a9260.dts
@@ -1,9 +1,8 @@
+// SPDX-License-Identifier: GPL-2.0-only
 /*
  * at91-qil_a9260.dts - Device Tree file for Calao QIL A9260 board
  *
  * Copyright (C) 2011-2013 Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>
- *
- * Licensed under GPLv2.
  */
 /dts-v1/;
 #include "at91sam9260.dtsi"
diff --git a/dts/src/arm/at91-sama5d4_ma5d4.dtsi b/dts/src/arm/at91-sama5d4_ma5d4.dtsi
index d3e79fb..0be184a 100644
--- a/dts/src/arm/at91-sama5d4_ma5d4.dtsi
+++ b/dts/src/arm/at91-sama5d4_ma5d4.dtsi
@@ -1,12 +1,6 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
 /*
  * Copyright (C) 2015 Marek Vasut <marex@denx.de>
- *
- * The code contained herein is licensed under the GNU General Public
- * License. You may obtain a copy of the GNU General Public License
- * Version 2 or later at the following locations:
- *
- * http://www.opensource.org/licenses/gpl-license.html
- * http://www.gnu.org/copyleft/gpl.html
  */
 
 #include "sama5d4.dtsi"
diff --git a/dts/src/arm/at91-sama5d4_ma5d4evk.dts b/dts/src/arm/at91-sama5d4_ma5d4evk.dts
index fe05aaa..af49694 100644
--- a/dts/src/arm/at91-sama5d4_ma5d4evk.dts
+++ b/dts/src/arm/at91-sama5d4_ma5d4evk.dts
@@ -1,12 +1,6 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
 /*
  * Copyright (C) 2015 Marek Vasut <marex@denx.de>
- *
- * The code contained herein is licensed under the GNU General Public
- * License. You may obtain a copy of the GNU General Public License
- * Version 2 or later at the following locations:
- *
- * http://www.opensource.org/licenses/gpl-license.html
- * http://www.gnu.org/copyleft/gpl.html
  */
 
 /dts-v1/;
diff --git a/dts/src/arm/at91rm9200ek.dts b/dts/src/arm/at91rm9200ek.dts
index 81aaf81..1e0bf5a 100644
--- a/dts/src/arm/at91rm9200ek.dts
+++ b/dts/src/arm/at91rm9200ek.dts
@@ -1,9 +1,8 @@
+// SPDX-License-Identifier: GPL-2.0-only
 /*
  * at91rm9200ek.dts - Device Tree file for Atmel AT91RM9200 evaluation kit
  *
  *  Copyright (C) 2012 Joachim Eastwood <manabian@gmail.com>
- *
- * Licensed under GPLv2 only
  */
 /dts-v1/;
 #include "at91rm9200.dtsi"
diff --git a/dts/src/arm/at91sam9261.dtsi b/dts/src/arm/at91sam9261.dtsi
index a907a1f..dba025a 100644
--- a/dts/src/arm/at91sam9261.dtsi
+++ b/dts/src/arm/at91sam9261.dtsi
@@ -1,9 +1,8 @@
+// SPDX-License-Identifier: GPL-2.0-only
 /*
  * at91sam9261.dtsi - Device Tree Include file for AT91SAM9261 SoC
  *
  *  Copyright (C) 2013 Jean-Jacques Hiblot <jjhiblot@traphandler.com>
- *
- * Licensed under GPLv2 only.
  */
 
 #include <dt-bindings/pinctrl/at91.h>
diff --git a/dts/src/arm/at91sam9261ek.dts b/dts/src/arm/at91sam9261ek.dts
index a57f2d4..1fa84d2 100644
--- a/dts/src/arm/at91sam9261ek.dts
+++ b/dts/src/arm/at91sam9261ek.dts
@@ -1,9 +1,8 @@
+// SPDX-License-Identifier: GPL-2.0-only
 /*
  * at91sam9261ek.dts - Device Tree file for Atmel at91sam9261 reference board
  *
  *  Copyright (C) 2013 Jean-Jacques Hiblot <jjhiblot@traphandler.com>
- *
- * Licensed under GPLv2 only.
  */
 /dts-v1/;
 #include "at91sam9261.dtsi"
diff --git a/dts/src/arm/at91sam9263.dtsi b/dts/src/arm/at91sam9263.dtsi
index 3fb63d8..99678ab 100644
--- a/dts/src/arm/at91sam9263.dtsi
+++ b/dts/src/arm/at91sam9263.dtsi
@@ -1,9 +1,8 @@
+// SPDX-License-Identifier: GPL-2.0-only
 /*
  * at91sam9263.dtsi - Device Tree Include file for AT91SAM9263 family SoC
  *
  *  Copyright (C) 2012 Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>
- *
- * Licensed under GPLv2 only.
  */
 
 #include <dt-bindings/pinctrl/at91.h>
diff --git a/dts/src/arm/at91sam9263ek.dts b/dts/src/arm/at91sam9263ek.dts
index 727096f..45e0c6e 100644
--- a/dts/src/arm/at91sam9263ek.dts
+++ b/dts/src/arm/at91sam9263ek.dts
@@ -1,9 +1,8 @@
+// SPDX-License-Identifier: GPL-2.0-only
 /*
  * at91sam9263ek.dts - Device Tree file for Atmel at91sam9263 reference board
  *
  *  Copyright (C) 2012 Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>
- *
- * Licensed under GPLv2 only
  */
 /dts-v1/;
 #include "at91sam9263.dtsi"
diff --git a/dts/src/arm/at91sam9g15.dtsi b/dts/src/arm/at91sam9g15.dtsi
index b34a6c6..d77c69a 100644
--- a/dts/src/arm/at91sam9g15.dtsi
+++ b/dts/src/arm/at91sam9g15.dtsi
@@ -1,9 +1,8 @@
+// SPDX-License-Identifier: GPL-2.0-only
 /*
  * at91sam9g15.dtsi - Device Tree Include file for AT91SAM9G15 SoC
  *
  * Copyright (C) 2012 Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>
- *
- * Licensed under GPLv2.
  */
 
 #include "at91sam9x5.dtsi"
diff --git a/dts/src/arm/at91sam9g20.dtsi b/dts/src/arm/at91sam9g20.dtsi
index e976fd6..4117cf8 100644
--- a/dts/src/arm/at91sam9g20.dtsi
+++ b/dts/src/arm/at91sam9g20.dtsi
@@ -1,9 +1,8 @@
+// SPDX-License-Identifier: GPL-2.0-only
 /*
  * at91sam9g20.dtsi - Device Tree Include file for AT91SAM9G20 family SoC
  *
  *  Copyright (C) 2012 Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>
- *
- * Licensed under GPLv2.
  */
 
 #include "at91sam9260.dtsi"
diff --git a/dts/src/arm/at91sam9g20ek.dts b/dts/src/arm/at91sam9g20ek.dts
index bbfd753..6de7a7c 100644
--- a/dts/src/arm/at91sam9g20ek.dts
+++ b/dts/src/arm/at91sam9g20ek.dts
@@ -1,9 +1,8 @@
+// SPDX-License-Identifier: GPL-2.0-only
 /*
  * at91sam9g20ek.dts - Device Tree file for Atmel at91sam9g20ek board
  *
  * Copyright (C) 2012 Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>
- *
- * Licensed under GPLv2.
  */
 /dts-v1/;
 #include "at91sam9g20ek_common.dtsi"
diff --git a/dts/src/arm/at91sam9g20ek_2mmc.dts b/dts/src/arm/at91sam9g20ek_2mmc.dts
index bdb799b..2db95e8 100644
--- a/dts/src/arm/at91sam9g20ek_2mmc.dts
+++ b/dts/src/arm/at91sam9g20ek_2mmc.dts
@@ -1,9 +1,8 @@
+// SPDX-License-Identifier: GPL-2.0-only
 /*
  * at91sam9g20ek_2mmc.dts - Device Tree file for Atmel at91sam9g20ek 2 MMC board
  *
  * Copyright (C) 2012 Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>
- *
- * Licensed under GPLv2.
  */
 /dts-v1/;
 #include "at91sam9g20ek_common.dtsi"
diff --git a/dts/src/arm/at91sam9g20ek_common.dtsi b/dts/src/arm/at91sam9g20ek_common.dtsi
index ec1f17a..bda2270 100644
--- a/dts/src/arm/at91sam9g20ek_common.dtsi
+++ b/dts/src/arm/at91sam9g20ek_common.dtsi
@@ -1,9 +1,8 @@
+// SPDX-License-Identifier: GPL-2.0-only
 /*
  * at91sam9g20ek_common.dtsi - Device Tree file for Atmel at91sam9g20ek board
  *
  * Copyright (C) 2012 Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>
- *
- * Licensed under GPLv2.
  */
 #include "at91sam9g20.dtsi"
 
diff --git a/dts/src/arm/at91sam9g25.dtsi b/dts/src/arm/at91sam9g25.dtsi
index d8bb562..d2f13af 100644
--- a/dts/src/arm/at91sam9g25.dtsi
+++ b/dts/src/arm/at91sam9g25.dtsi
@@ -1,9 +1,8 @@
+// SPDX-License-Identifier: GPL-2.0-only
 /*
  * at91sam9g25.dtsi - Device Tree Include file for AT91SAM9G25 SoC
  *
  * Copyright (C) 2012 Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>
- *
- * Licensed under GPLv2.
  */
 
 #include "at91sam9x5.dtsi"
diff --git a/dts/src/arm/at91sam9g35.dtsi b/dts/src/arm/at91sam9g35.dtsi
index 333e158..48c2bc4 100644
--- a/dts/src/arm/at91sam9g35.dtsi
+++ b/dts/src/arm/at91sam9g35.dtsi
@@ -1,9 +1,8 @@
+// SPDX-License-Identifier: GPL-2.0-only
 /*
  * at91sam9g35.dtsi - Device Tree Include file for AT91SAM9G35 SoC
  *
  * Copyright (C) 2012 Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>
- *
- * Licensed under GPLv2.
  */
 
 #include "at91sam9x5.dtsi"
diff --git a/dts/src/arm/at91sam9rlek.dts b/dts/src/arm/at91sam9rlek.dts
index 27d8a1f..3a38694 100644
--- a/dts/src/arm/at91sam9rlek.dts
+++ b/dts/src/arm/at91sam9rlek.dts
@@ -1,10 +1,9 @@
+// SPDX-License-Identifier: GPL-2.0-only
 /*
  * at91sam9rlek.dts - Device Tree file for Atmel at91sam9rl reference board
  *
  *  Copyright (C) 2014 Microchip
  *  Alexandre Belloni <alexandre.belloni@free-electrons.com>
- *
- * Licensed under GPLv2 only
  */
 /dts-v1/;
 #include "at91sam9rl.dtsi"
diff --git a/dts/src/arm/at91sam9x25.dtsi b/dts/src/arm/at91sam9x25.dtsi
index a99703a..0fe8802 100644
--- a/dts/src/arm/at91sam9x25.dtsi
+++ b/dts/src/arm/at91sam9x25.dtsi
@@ -1,9 +1,8 @@
+// SPDX-License-Identifier: GPL-2.0-only
 /*
  * at91sam9x25.dtsi - Device Tree Include file for AT91SAM9X25 SoC
  *
  * Copyright (C) 2012 Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>
- *
- * Licensed under GPLv2.
  */
 
 #include "at91sam9x5.dtsi"
diff --git a/dts/src/arm/at91sam9x35.dtsi b/dts/src/arm/at91sam9x35.dtsi
index bca274d..0bfa21f 100644
--- a/dts/src/arm/at91sam9x35.dtsi
+++ b/dts/src/arm/at91sam9x35.dtsi
@@ -1,9 +1,8 @@
+// SPDX-License-Identifier: GPL-2.0-only
 /*
  * at91sam9x35.dtsi - Device Tree Include file for AT91SAM9X35 SoC
  *
  * Copyright (C) 2012 Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>
- *
- * Licensed under GPLv2.
  */
 
 #include "at91sam9x5.dtsi"
diff --git a/dts/src/arm/at91sam9x5_can.dtsi b/dts/src/arm/at91sam9x5_can.dtsi
index 125f9e3..04ccb25 100644
--- a/dts/src/arm/at91sam9x5_can.dtsi
+++ b/dts/src/arm/at91sam9x5_can.dtsi
@@ -1,10 +1,9 @@
+// SPDX-License-Identifier: GPL-2.0-only
 /*
  * at91sam9x5_can.dtsi - Device Tree Include file for AT91SAM9x5 SoC with 1
  * Ethernet interface.
  *
  * Copyright (C) 2013 Boris BREZILLON <b.brezillon@overkiz.com>
- *
- * Licensed under GPLv2.
  */
 
 #include <dt-bindings/pinctrl/at91.h>
diff --git a/dts/src/arm/at91sam9x5_isi.dtsi b/dts/src/arm/at91sam9x5_isi.dtsi
index c3e45b5..4ce98f0 100644
--- a/dts/src/arm/at91sam9x5_isi.dtsi
+++ b/dts/src/arm/at91sam9x5_isi.dtsi
@@ -1,10 +1,9 @@
+// SPDX-License-Identifier: GPL-2.0-only
 /*
  * at91sam9x5_isi.dtsi - Device Tree Include file for AT91SAM9x5 SoC with an
  * Image Sensor Interface.
  *
  * Copyright (C) 2013 Boris BREZILLON <b.brezillon@overkiz.com>
- *
- * Licensed under GPLv2.
  */
 
 #include <dt-bindings/pinctrl/at91.h>
diff --git a/dts/src/arm/at91sam9x5_lcd.dtsi b/dts/src/arm/at91sam9x5_lcd.dtsi
index 12595fb..584f840 100644
--- a/dts/src/arm/at91sam9x5_lcd.dtsi
+++ b/dts/src/arm/at91sam9x5_lcd.dtsi
@@ -1,10 +1,9 @@
+// SPDX-License-Identifier: GPL-2.0-only
 /*
  * at91sam9x5_lcd.dtsi - Device Tree Include file for AT91SAM9x5 SoC with an
  * LCD controller.
  *
  * Copyright (C) 2013 Boris BREZILLON <b.brezillon@overkiz.com>
- *
- * Licensed under GPLv2.
  */
 
 #include <dt-bindings/pinctrl/at91.h>
diff --git a/dts/src/arm/at91sam9x5_macb0.dtsi b/dts/src/arm/at91sam9x5_macb0.dtsi
index 57c2e5a..222aa30 100644
--- a/dts/src/arm/at91sam9x5_macb0.dtsi
+++ b/dts/src/arm/at91sam9x5_macb0.dtsi
@@ -1,10 +1,9 @@
+// SPDX-License-Identifier: GPL-2.0-only
 /*
  * at91sam9x5_macb0.dtsi - Device Tree Include file for AT91SAM9x5 SoC with 1
  * Ethernet interface.
  *
  * Copyright (C) 2013 Boris BREZILLON <b.brezillon@overkiz.com>
- *
- * Licensed under GPLv2.
  */
 
 #include <dt-bindings/pinctrl/at91.h>
diff --git a/dts/src/arm/at91sam9x5_macb1.dtsi b/dts/src/arm/at91sam9x5_macb1.dtsi
index 59b8da8..26bf9b5 100644
--- a/dts/src/arm/at91sam9x5_macb1.dtsi
+++ b/dts/src/arm/at91sam9x5_macb1.dtsi
@@ -1,10 +1,9 @@
+// SPDX-License-Identifier: GPL-2.0-only
 /*
  * at91sam9x5_macb1.dtsi - Device Tree Include file for AT91SAM9x5 SoC with 2
  * Ethernet interfaces.
  *
  * Copyright (C) 2013 Boris BREZILLON <b.brezillon@overkiz.com>
- *
- * Licensed under GPLv2.
  */
 
 #include <dt-bindings/pinctrl/at91.h>
diff --git a/dts/src/arm/at91sam9x5_usart3.dtsi b/dts/src/arm/at91sam9x5_usart3.dtsi
index 9102dfb..098d3fe 100644
--- a/dts/src/arm/at91sam9x5_usart3.dtsi
+++ b/dts/src/arm/at91sam9x5_usart3.dtsi
@@ -1,10 +1,9 @@
+// SPDX-License-Identifier: GPL-2.0-only
 /*
  * at91sam9x5_usart3.dtsi - Device Tree Include file for AT91SAM9x5 SoC with
  * 4 USART.
  *
  * Copyright (C) 2013 Boris BREZILLON <b.brezillon@overkiz.com>
- *
- * Licensed under GPLv2.
  */
 
 #include <dt-bindings/pinctrl/at91.h>
diff --git a/dts/src/arm/axm5516-amarillo.dts b/dts/src/arm/axm5516-amarillo.dts
index a9d6047..2e2ad3c 100644
--- a/dts/src/arm/axm5516-amarillo.dts
+++ b/dts/src/arm/axm5516-amarillo.dts
@@ -1,12 +1,8 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
 /*
  * arch/arm/boot/dts/axm5516-amarillo.dts
  *
  * Copyright (C) 2013 LSI
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
  */
 
 /dts-v1/;
diff --git a/dts/src/arm/axm5516-cpus.dtsi b/dts/src/arm/axm5516-cpus.dtsi
index b85f360..3bcf4e0 100644
--- a/dts/src/arm/axm5516-cpus.dtsi
+++ b/dts/src/arm/axm5516-cpus.dtsi
@@ -1,12 +1,8 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
 /*
  * arch/arm/boot/dts/axm5516-cpus.dtsi
  *
  * Copyright (C) 2013 LSI
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
  */
 
 / {
diff --git a/dts/src/arm/axm55xx.dtsi b/dts/src/arm/axm55xx.dtsi
index 2a93d3e..7676a65 100644
--- a/dts/src/arm/axm55xx.dtsi
+++ b/dts/src/arm/axm55xx.dtsi
@@ -1,12 +1,8 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
 /*
  * arch/arm/boot/dts/axm55xx.dtsi
  *
  * Copyright (C) 2013 LSI
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
  */
 
 #include <dt-bindings/interrupt-controller/arm-gic.h>
diff --git a/dts/src/arm/bcm59056.dtsi b/dts/src/arm/bcm59056.dtsi
index 066adfb..a9bb7ad 100644
--- a/dts/src/arm/bcm59056.dtsi
+++ b/dts/src/arm/bcm59056.dtsi
@@ -1,11 +1,7 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
 /*
 * Copyright 2014 Linaro Limited
 * Author: Matt Porter <mporter@linaro.org>
-*
-* This program is free software; you can redistribute it and/or modify it
-* under  the terms of the GNU General  Public License as published by the
-* Free Software Foundation;  either version 2 of the License, or (at your
-* option) any later version.
 */
 
 &pmu {
diff --git a/dts/src/arm/da850-enbw-cmc.dts b/dts/src/arm/da850-enbw-cmc.dts
index 0102ffc..d4a5237 100644
--- a/dts/src/arm/da850-enbw-cmc.dts
+++ b/dts/src/arm/da850-enbw-cmc.dts
@@ -1,13 +1,9 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
 /*
  * Device Tree for AM1808 EnBW CMC board
  *
  * Copyright 2012 DENX Software Engineering GmbH
  * Heiko Schocher <hs@denx.de>
- *
- * This program is free software; you can redistribute  it and/or modify it
- * under  the terms of  the GNU General  Public License as published by the
- * Free Software Foundation;  either version 2 of the  License, or (at your
- * option) any later version.
  */
 /dts-v1/;
 #include "da850.dtsi"
diff --git a/dts/src/arm/da850-lcdk.dts b/dts/src/arm/da850-lcdk.dts
index 26f453d..2fd2a68 100644
--- a/dts/src/arm/da850-lcdk.dts
+++ b/dts/src/arm/da850-lcdk.dts
@@ -1,7 +1,6 @@
+// SPDX-License-Identifier: GPL-2.0-only
 /*
  * Copyright (c) 2016 BayLibre, Inc.
- *
- * Licensed under GPLv2.
  */
 /dts-v1/;
 #include "da850.dtsi"
diff --git a/dts/src/arm/da850.dtsi b/dts/src/arm/da850.dtsi
index 559659b..e6e78b8 100644
--- a/dts/src/arm/da850.dtsi
+++ b/dts/src/arm/da850.dtsi
@@ -1,11 +1,7 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
 /*
  * Copyright 2012 DENX Software Engineering GmbH
  * Heiko Schocher <hs@denx.de>
- *
- * This program is free software; you can redistribute  it and/or modify it
- * under  the terms of  the GNU General  Public License as published by the
- * Free Software Foundation;  either version 2 of the  License, or (at your
- * option) any later version.
  */
 #include <dt-bindings/interrupt-controller/irq.h>
 
diff --git a/dts/src/arm/ecx-2000.dts b/dts/src/arm/ecx-2000.dts
index c15e7e0..5651ae6 100644
--- a/dts/src/arm/ecx-2000.dts
+++ b/dts/src/arm/ecx-2000.dts
@@ -1,17 +1,6 @@
+// SPDX-License-Identifier: GPL-2.0-only
 /*
  * Copyright 2011-2012 Calxeda, Inc.
- *
- * This program is free software; you can redistribute it and/or modify it
- * under the terms and conditions of the GNU General Public License,
- * version 2, as published by the Free Software Foundation.
- *
- * This program is distributed in the hope it will be useful, but WITHOUT
- * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
- * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
- * more details.
- *
- * You should have received a copy of the GNU General Public License along with
- * this program.  If not, see <http://www.gnu.org/licenses/>.
  */
 
 /dts-v1/;
diff --git a/dts/src/arm/ecx-common.dtsi b/dts/src/arm/ecx-common.dtsi
index b90045a..66ee1d3 100644
--- a/dts/src/arm/ecx-common.dtsi
+++ b/dts/src/arm/ecx-common.dtsi
@@ -1,17 +1,6 @@
+// SPDX-License-Identifier: GPL-2.0-only
 /*
  * Copyright 2011-2012 Calxeda, Inc.
- *
- * This program is free software; you can redistribute it and/or modify it
- * under the terms and conditions of the GNU General Public License,
- * version 2, as published by the Free Software Foundation.
- *
- * This program is distributed in the hope it will be useful, but WITHOUT
- * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
- * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
- * more details.
- *
- * You should have received a copy of the GNU General Public License along with
- * this program.  If not, see <http://www.gnu.org/licenses/>.
  */
 
 / {
diff --git a/dts/src/arm/ethernut5.dts b/dts/src/arm/ethernut5.dts
index b554f85..052a52f 100644
--- a/dts/src/arm/ethernut5.dts
+++ b/dts/src/arm/ethernut5.dts
@@ -1,9 +1,8 @@
+// SPDX-License-Identifier: GPL-2.0-only
 /*
  * ethernut5.dts - Device Tree file for Ethernut 5 board
  *
  * Copyright (C) 2012 egnite GmbH <info@egnite.de>
- *
- * Licensed under GPLv2.
  */
 /dts-v1/;
 #include "at91sam9xe.dtsi"
diff --git a/dts/src/arm/highbank.dts b/dts/src/arm/highbank.dts
index 5027871..f4e4dca 100644
--- a/dts/src/arm/highbank.dts
+++ b/dts/src/arm/highbank.dts
@@ -1,17 +1,6 @@
+// SPDX-License-Identifier: GPL-2.0-only
 /*
  * Copyright 2011-2012 Calxeda, Inc.
- *
- * This program is free software; you can redistribute it and/or modify it
- * under the terms and conditions of the GNU General Public License,
- * version 2, as published by the Free Software Foundation.
- *
- * This program is distributed in the hope it will be useful, but WITHOUT
- * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
- * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
- * more details.
- *
- * You should have received a copy of the GNU General Public License along with
- * this program.  If not, see <http://www.gnu.org/licenses/>.
  */
 
 /dts-v1/;
diff --git a/dts/src/arm/imx1-ads.dts b/dts/src/arm/imx1-ads.dts
index 119b19b..5833fb6 100644
--- a/dts/src/arm/imx1-ads.dts
+++ b/dts/src/arm/imx1-ads.dts
@@ -1,12 +1,6 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
 /*
  * Copyright (C) 2014 Alexander Shiyan <shc_work@mail.ru>
- *
- * The code contained herein is licensed under the GNU General Public
- * License. You may obtain a copy of the GNU General Public License
- * Version 2 or later at the following locations:
- *
- * http://www.opensource.org/licenses/gpl-license.html
- * http://www.gnu.org/copyleft/gpl.html
  */
 
 /dts-v1/;
diff --git a/dts/src/arm/imx1-apf9328.dts b/dts/src/arm/imx1-apf9328.dts
index ee4b1b1..77b21aa 100644
--- a/dts/src/arm/imx1-apf9328.dts
+++ b/dts/src/arm/imx1-apf9328.dts
@@ -1,12 +1,6 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
 /*
  * Copyright (C) 2014 Alexander Shiyan <shc_work@mail.ru>
- *
- * The code contained herein is licensed under the GNU General Public
- * License. You may obtain a copy of the GNU General Public License
- * Version 2 or later at the following locations:
- *
- * http://www.opensource.org/licenses/gpl-license.html
- * http://www.gnu.org/copyleft/gpl.html
  */
 
 /dts-v1/;
diff --git a/dts/src/arm/imx1-pinfunc.h b/dts/src/arm/imx1-pinfunc.h
index 22bec8b..050a1fc 100644
--- a/dts/src/arm/imx1-pinfunc.h
+++ b/dts/src/arm/imx1-pinfunc.h
@@ -1,12 +1,6 @@
+/* SPDX-License-Identifier: GPL-2.0-or-later */
 /*
  * Copyright (C) 2014 Alexander Shiyan <shc_work@mail.ru>
- *
- * The code contained herein is licensed under the GNU General Public
- * License. You may obtain a copy of the GNU General Public License
- * Version 2 or later at the following locations:
- *
- * http://www.opensource.org/licenses/gpl-license.html
- * http://www.gnu.org/copyleft/gpl.html
  */
 
 #ifndef __DTS_IMX1_PINFUNC_H
diff --git a/dts/src/arm/imx23-olinuxino.dts b/dts/src/arm/imx23-olinuxino.dts
index e2bac4d..4c9aafe 100644
--- a/dts/src/arm/imx23-olinuxino.dts
+++ b/dts/src/arm/imx23-olinuxino.dts
@@ -1,14 +1,8 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
 /*
  * Copyright 2012 Freescale Semiconductor, Inc.
  *
  * Author: Fabio Estevam <fabio.estevam@freescale.com>
- *
- * The code contained herein is licensed under the GNU General Public
- * License. You may obtain a copy of the GNU General Public License
- * Version 2 or later at the following locations:
- *
- * http://www.opensource.org/licenses/gpl-license.html
- * http://www.gnu.org/copyleft/gpl.html
  */
 
 /dts-v1/;
diff --git a/dts/src/arm/imx23-stmp378x_devb.dts b/dts/src/arm/imx23-stmp378x_devb.dts
index df2a9e6..da4b88f 100644
--- a/dts/src/arm/imx23-stmp378x_devb.dts
+++ b/dts/src/arm/imx23-stmp378x_devb.dts
@@ -1,12 +1,6 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
 /*
  * Copyright 2012 Freescale Semiconductor, Inc.
- *
- * The code contained herein is licensed under the GNU General Public
- * License. You may obtain a copy of the GNU General Public License
- * Version 2 or later at the following locations:
- *
- * http://www.opensource.org/licenses/gpl-license.html
- * http://www.gnu.org/copyleft/gpl.html
  */
 
 /dts-v1/;
diff --git a/dts/src/arm/imx25-eukrea-cpuimx25.dtsi b/dts/src/arm/imx25-eukrea-cpuimx25.dtsi
index e4d7da2..0703f62 100644
--- a/dts/src/arm/imx25-eukrea-cpuimx25.dtsi
+++ b/dts/src/arm/imx25-eukrea-cpuimx25.dtsi
@@ -1,14 +1,6 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
 /*
  * Copyright 2013 Eukréa Electromatique <denis@eukrea.com>
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License
- * as published by the Free Software Foundation; either version 2
- * of the License, or (at your option) any later version.
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
  */
 
 #include "imx25.dtsi"
diff --git a/dts/src/arm/imx25-eukrea-mbimxsd25-baseboard-cmo-qvga.dts b/dts/src/arm/imx25-eukrea-mbimxsd25-baseboard-cmo-qvga.dts
index 68d0834..dbecd6d 100644
--- a/dts/src/arm/imx25-eukrea-mbimxsd25-baseboard-cmo-qvga.dts
+++ b/dts/src/arm/imx25-eukrea-mbimxsd25-baseboard-cmo-qvga.dts
@@ -1,14 +1,6 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
 /*
  * Copyright 2013 Eukréa Electromatique <denis@eukrea.com>
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License
- * as published by the Free Software Foundation; either version 2
- * of the License, or (at your option) any later version.
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
  */
 
 #include "imx25-eukrea-mbimxsd25-baseboard.dts"
diff --git a/dts/src/arm/imx25-eukrea-mbimxsd25-baseboard-dvi-svga.dts b/dts/src/arm/imx25-eukrea-mbimxsd25-baseboard-dvi-svga.dts
index 8eee2f6..ad2f7e8 100644
--- a/dts/src/arm/imx25-eukrea-mbimxsd25-baseboard-dvi-svga.dts
+++ b/dts/src/arm/imx25-eukrea-mbimxsd25-baseboard-dvi-svga.dts
@@ -1,14 +1,6 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
 /*
  * Copyright 2013 Eukréa Electromatique <denis@eukrea.com>
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License
- * as published by the Free Software Foundation; either version 2
- * of the License, or (at your option) any later version.
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
  */
 
 #include "imx25-eukrea-mbimxsd25-baseboard.dts"
diff --git a/dts/src/arm/imx25-eukrea-mbimxsd25-baseboard-dvi-vga.dts b/dts/src/arm/imx25-eukrea-mbimxsd25-baseboard-dvi-vga.dts
index 447da62..d60d8f4 100644
--- a/dts/src/arm/imx25-eukrea-mbimxsd25-baseboard-dvi-vga.dts
+++ b/dts/src/arm/imx25-eukrea-mbimxsd25-baseboard-dvi-vga.dts
@@ -1,14 +1,6 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
 /*
  * Copyright 2013 Eukréa Electromatique <denis@eukrea.com>
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License
- * as published by the Free Software Foundation; either version 2
- * of the License, or (at your option) any later version.
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
  */
 
 #include "imx25-eukrea-mbimxsd25-baseboard.dts"
diff --git a/dts/src/arm/imx25-eukrea-mbimxsd25-baseboard.dts b/dts/src/arm/imx25-eukrea-mbimxsd25-baseboard.dts
index 6273a1f..0fde90d 100644
--- a/dts/src/arm/imx25-eukrea-mbimxsd25-baseboard.dts
+++ b/dts/src/arm/imx25-eukrea-mbimxsd25-baseboard.dts
@@ -1,14 +1,6 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
 /*
  * Copyright 2013 Eukréa Electromatique <denis@eukrea.com>
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License
- * as published by the Free Software Foundation; either version 2
- * of the License, or (at your option) any later version.
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
  */
 
 /dts-v1/;
diff --git a/dts/src/arm/imx25-karo-tx25.dts b/dts/src/arm/imx25-karo-tx25.dts
index f37e9a7..0950eb6 100644
--- a/dts/src/arm/imx25-karo-tx25.dts
+++ b/dts/src/arm/imx25-karo-tx25.dts
@@ -1,12 +1,6 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
 /*
  * Copyright 2012 Sascha Hauer, Pengutronix
- *
- * The code contained herein is licensed under the GNU General Public
- * License. You may obtain a copy of the GNU General Public License
- * Version 2 or later at the following locations:
- *
- * http://www.opensource.org/licenses/gpl-license.html
- * http://www.gnu.org/copyleft/gpl.html
  */
 
 /dts-v1/;
diff --git a/dts/src/arm/imx27-apf27.dts b/dts/src/arm/imx27-apf27.dts
index f635d5c..745d5d4 100644
--- a/dts/src/arm/imx27-apf27.dts
+++ b/dts/src/arm/imx27-apf27.dts
@@ -1,15 +1,9 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
 /*
  * Copyright 2012 Philippe Reynes <tremyfr@yahoo.fr>
  * Copyright 2012 Armadeus Systems <support@armadeus.com>
  *
  * Based on code which is: Copyright 2012 Sascha Hauer, Pengutronix
- *
- * The code contained herein is licensed under the GNU General Public
- * License. You may obtain a copy of the GNU General Public License
- * Version 2 or later at the following locations:
- *
- * http://www.opensource.org/licenses/gpl-license.html
- * http://www.gnu.org/copyleft/gpl.html
  */
 
 /dts-v1/;
diff --git a/dts/src/arm/imx27-apf27dev.dts b/dts/src/arm/imx27-apf27dev.dts
index 5f84b59..087c6e2 100644
--- a/dts/src/arm/imx27-apf27dev.dts
+++ b/dts/src/arm/imx27-apf27dev.dts
@@ -1,12 +1,6 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
 /*
  * Copyright 2013 Armadeus Systems - <support@armadeus.com>
- *
- * The code contained herein is licensed under the GNU General Public
- * License. You may obtain a copy of the GNU General Public License
- * Version 2 or later at the following locations:
- *
- * http://www.opensource.org/licenses/gpl-license.html
- * http://www.gnu.org/copyleft/gpl.html
  */
 
 /* APF27Dev is a docking board for the APF27 SOM */
diff --git a/dts/src/arm/imx27-eukrea-cpuimx27.dtsi b/dts/src/arm/imx27-eukrea-cpuimx27.dtsi
index c85f9d0..74110bb 100644
--- a/dts/src/arm/imx27-eukrea-cpuimx27.dtsi
+++ b/dts/src/arm/imx27-eukrea-cpuimx27.dtsi
@@ -1,12 +1,6 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
 /*
  * Copyright (C) 2014 Alexander Shiyan <shc_work@mail.ru>
- *
- * The code contained herein is licensed under the GNU General Public
- * License. You may obtain a copy of the GNU General Public License
- * Version 2 or later at the following locations:
- *
- * http://www.opensource.org/licenses/gpl-license.html
- * http://www.gnu.org/copyleft/gpl.html
  */
 
 /dts-v1/;
diff --git a/dts/src/arm/imx27-eukrea-mbimxsd27-baseboard.dts b/dts/src/arm/imx27-eukrea-mbimxsd27-baseboard.dts
index 15145e7..84fc8df 100644
--- a/dts/src/arm/imx27-eukrea-mbimxsd27-baseboard.dts
+++ b/dts/src/arm/imx27-eukrea-mbimxsd27-baseboard.dts
@@ -1,12 +1,6 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
 /*
  * Copyright (C) 2014 Alexander Shiyan <shc_work@mail.ru>
- *
- * The code contained herein is licensed under the GNU General Public
- * License. You may obtain a copy of the GNU General Public License
- * Version 2 or later at the following locations:
- *
- * http://www.opensource.org/licenses/gpl-license.html
- * http://www.gnu.org/copyleft/gpl.html
  */
 
 #include "imx27-eukrea-cpuimx27.dtsi"
diff --git a/dts/src/arm/imx27-phytec-phycard-s-rdk.dts b/dts/src/arm/imx27-phytec-phycard-s-rdk.dts
index bfd4946..5e5e282 100644
--- a/dts/src/arm/imx27-phytec-phycard-s-rdk.dts
+++ b/dts/src/arm/imx27-phytec-phycard-s-rdk.dts
@@ -1,12 +1,6 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
 /*
  * Copyright 2012 Markus Pargmann, Pengutronix
- *
- * The code contained herein is licensed under the GNU General Public
- * License. You may obtain a copy of the GNU General Public License
- * Version 2 or later at the following locations:
- *
- * http://www.opensource.org/licenses/gpl-license.html
- * http://www.gnu.org/copyleft/gpl.html
  */
 
 #include "imx27-phytec-phycard-s-som.dtsi"
diff --git a/dts/src/arm/imx27-phytec-phycard-s-som.dtsi b/dts/src/arm/imx27-phytec-phycard-s-som.dtsi
index b0b4f7c..52c9524 100644
--- a/dts/src/arm/imx27-phytec-phycard-s-som.dtsi
+++ b/dts/src/arm/imx27-phytec-phycard-s-som.dtsi
@@ -1,13 +1,7 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
 /*
  * Copyright 2012 Sascha Hauer, Uwe Kleine-König, Steffen Trumtrar
  * and Markus Pargmann, Pengutronix
- *
- * The code contained herein is licensed under the GNU General Public
- * License. You may obtain a copy of the GNU General Public License
- * Version 2 or later at the following locations:
- *
- * http://www.opensource.org/licenses/gpl-license.html
- * http://www.gnu.org/copyleft/gpl.html
  */
 
 /dts-v1/;
diff --git a/dts/src/arm/imx27-phytec-phycore-rdk.dts b/dts/src/arm/imx27-phytec-phycore-rdk.dts
index 2ed2d73..5606f41 100644
--- a/dts/src/arm/imx27-phytec-phycore-rdk.dts
+++ b/dts/src/arm/imx27-phytec-phycore-rdk.dts
@@ -1,10 +1,5 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
 /*
- * The code contained herein is licensed under the GNU General Public
- * License. You may obtain a copy of the GNU General Public License
- * Version 2 or later at the following locations:
- *
- * http://www.opensource.org/licenses/gpl-license.html
- * http://www.gnu.org/copyleft/gpl.html
  */
 
 #include "imx27-phytec-phycore-som.dtsi"
diff --git a/dts/src/arm/imx27-phytec-phycore-som.dtsi b/dts/src/arm/imx27-phytec-phycore-som.dtsi
index 0935e14..3d10273 100644
--- a/dts/src/arm/imx27-phytec-phycore-som.dtsi
+++ b/dts/src/arm/imx27-phytec-phycore-som.dtsi
@@ -1,12 +1,6 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
 /*
  * Copyright 2012 Sascha Hauer, Pengutronix
- *
- * The code contained herein is licensed under the GNU General Public
- * License. You may obtain a copy of the GNU General Public License
- * Version 2 or later at the following locations:
- *
- * http://www.opensource.org/licenses/gpl-license.html
- * http://www.gnu.org/copyleft/gpl.html
  */
 
 /dts-v1/;
diff --git a/dts/src/arm/imx27-pinfunc.h b/dts/src/arm/imx27-pinfunc.h
index 597bb5f..1514d80 100644
--- a/dts/src/arm/imx27-pinfunc.h
+++ b/dts/src/arm/imx27-pinfunc.h
@@ -1,12 +1,6 @@
+/* SPDX-License-Identifier: GPL-2.0-or-later */
 /*
  * Copyright 2013 Markus Pargmann <mpa@pengutronix.de>, Pengutronix
- *
- * The code contained herein is licensed under the GNU General Public
- * License. You may obtain a copy of the GNU General Public License
- * Version 2 or later at the following locations:
- *
- * http://www.opensource.org/licenses/gpl-license.html
- * http://www.gnu.org/copyleft/gpl.html
  */
 
 #ifndef __DTS_IMX27_PINFUNC_H
diff --git a/dts/src/arm/imx28-apf28.dts b/dts/src/arm/imx28-apf28.dts
index b6976fb..3ed2b32 100644
--- a/dts/src/arm/imx28-apf28.dts
+++ b/dts/src/arm/imx28-apf28.dts
@@ -1,12 +1,6 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
 /*
  * Copyright 2012 Armadeus Systems - <support@armadeus.com>
- *
- * The code contained herein is licensed under the GNU General Public
- * License. You may obtain a copy of the GNU General Public License
- * Version 2 or later at the following locations:
- *
- * http://www.opensource.org/licenses/gpl-license.html
- * http://www.gnu.org/copyleft/gpl.html
  */
 
 /dts-v1/;
diff --git a/dts/src/arm/imx28-apf28dev.dts b/dts/src/arm/imx28-apf28dev.dts
index 8df5ec4..1b253b4 100644
--- a/dts/src/arm/imx28-apf28dev.dts
+++ b/dts/src/arm/imx28-apf28dev.dts
@@ -1,12 +1,6 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
 /*
  * Copyright 2012 Armadeus Systems - <support@armadeus.com>
- *
- * The code contained herein is licensed under the GNU General Public
- * License. You may obtain a copy of the GNU General Public License
- * Version 2 or later at the following locations:
- *
- * http://www.opensource.org/licenses/gpl-license.html
- * http://www.gnu.org/copyleft/gpl.html
  */
 
 /* APF28Dev is a docking board for the APF28 SOM */
diff --git a/dts/src/arm/imx28-cfa10036.dts b/dts/src/arm/imx28-cfa10036.dts
index de48b58..85aa1cc 100644
--- a/dts/src/arm/imx28-cfa10036.dts
+++ b/dts/src/arm/imx28-cfa10036.dts
@@ -1,12 +1,6 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
 /*
  * Copyright 2012 Free Electrons
- *
- * The code contained herein is licensed under the GNU General Public
- * License. You may obtain a copy of the GNU General Public License
- * Version 2 or later at the following locations:
- *
- * http://www.opensource.org/licenses/gpl-license.html
- * http://www.gnu.org/copyleft/gpl.html
  */
 
 /dts-v1/;
diff --git a/dts/src/arm/imx28-cfa10037.dts b/dts/src/arm/imx28-cfa10037.dts
index 3d13b32..d3e9a73 100644
--- a/dts/src/arm/imx28-cfa10037.dts
+++ b/dts/src/arm/imx28-cfa10037.dts
@@ -1,12 +1,6 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
 /*
  * Copyright 2012 Free Electrons
- *
- * The code contained herein is licensed under the GNU General Public
- * License. You may obtain a copy of the GNU General Public License
- * Version 2 or later at the following locations:
- *
- * http://www.opensource.org/licenses/gpl-license.html
- * http://www.gnu.org/copyleft/gpl.html
  */
 
 /*
diff --git a/dts/src/arm/imx28-cfa10049.dts b/dts/src/arm/imx28-cfa10049.dts
index f1c8315..a92b05e 100644
--- a/dts/src/arm/imx28-cfa10049.dts
+++ b/dts/src/arm/imx28-cfa10049.dts
@@ -1,12 +1,6 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
 /*
  * Copyright 2012 Free Electrons
- *
- * The code contained herein is licensed under the GNU General Public
- * License. You may obtain a copy of the GNU General Public License
- * Version 2 or later at the following locations:
- *
- * http://www.opensource.org/licenses/gpl-license.html
- * http://www.gnu.org/copyleft/gpl.html
  */
 
 /*
diff --git a/dts/src/arm/imx28-cfa10055.dts b/dts/src/arm/imx28-cfa10055.dts
index 6a34114..d05c370 100644
--- a/dts/src/arm/imx28-cfa10055.dts
+++ b/dts/src/arm/imx28-cfa10055.dts
@@ -1,13 +1,7 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
 /*
  * Copyright 2013 Crystalfontz America, Inc.
  * 				  Free Electrons
- *
- * The code contained herein is licensed under the GNU General Public
- * License. You may obtain a copy of the GNU General Public License
- * Version 2 or later at the following locations:
- *
- * http://www.opensource.org/licenses/gpl-license.html
- * http://www.gnu.org/copyleft/gpl.html
  */
 
 /*
diff --git a/dts/src/arm/imx28-cfa10056.dts b/dts/src/arm/imx28-cfa10056.dts
index ba6495c..c1060bd 100644
--- a/dts/src/arm/imx28-cfa10056.dts
+++ b/dts/src/arm/imx28-cfa10056.dts
@@ -1,12 +1,6 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
 /*
  * Copyright 2013 Free Electrons
- *
- * The code contained herein is licensed under the GNU General Public
- * License. You may obtain a copy of the GNU General Public License
- * Version 2 or later at the following locations:
- *
- * http://www.opensource.org/licenses/gpl-license.html
- * http://www.gnu.org/copyleft/gpl.html
  */
 
 /*
diff --git a/dts/src/arm/imx28-cfa10057.dts b/dts/src/arm/imx28-cfa10057.dts
index c606791..2f7e479 100644
--- a/dts/src/arm/imx28-cfa10057.dts
+++ b/dts/src/arm/imx28-cfa10057.dts
@@ -1,13 +1,7 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
 /*
  * Copyright 2013 Crystalfontz America, Inc.
  * Copyright 2012 Free Electrons
- *
- * The code contained herein is licensed under the GNU General Public
- * License. You may obtain a copy of the GNU General Public License
- * Version 2 or later at the following locations:
- *
- * http://www.opensource.org/licenses/gpl-license.html
- * http://www.gnu.org/copyleft/gpl.html
  */
 
 /*
diff --git a/dts/src/arm/imx28-cfa10058.dts b/dts/src/arm/imx28-cfa10058.dts
index 70c7bb4..4465fd8 100644
--- a/dts/src/arm/imx28-cfa10058.dts
+++ b/dts/src/arm/imx28-cfa10058.dts
@@ -1,13 +1,7 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
 /*
  * Copyright 2013 Crystalfontz America, Inc.
  * Copyright 2013 Free Electrons
- *
- * The code contained herein is licensed under the GNU General Public
- * License. You may obtain a copy of the GNU General Public License
- * Version 2 or later at the following locations:
- *
- * http://www.opensource.org/licenses/gpl-license.html
- * http://www.gnu.org/copyleft/gpl.html
  */
 
 /*
diff --git a/dts/src/arm/imx28-duckbill-2-485.dts b/dts/src/arm/imx28-duckbill-2-485.dts
index 19957c2..d451fa0 100644
--- a/dts/src/arm/imx28-duckbill-2-485.dts
+++ b/dts/src/arm/imx28-duckbill-2-485.dts
@@ -1,13 +1,7 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
 /*
  * Copyright (C) 2015-2017 I2SE GmbH <info@i2se.com>
  * Copyright (C) 2016 Michael Heimpold <mhei@heimpold.de>
- *
- * The code contained herein is licensed under the GNU General Public
- * License. You may obtain a copy of the GNU General Public License
- * Version 2 or later at the following locations:
- *
- * http://www.opensource.org/licenses/gpl-license.html
- * http://www.gnu.org/copyleft/gpl.html
  */
 
 /dts-v1/;
diff --git a/dts/src/arm/imx28-duckbill-2-enocean.dts b/dts/src/arm/imx28-duckbill-2-enocean.dts
index 4982131..bacb846 100644
--- a/dts/src/arm/imx28-duckbill-2-enocean.dts
+++ b/dts/src/arm/imx28-duckbill-2-enocean.dts
@@ -1,13 +1,7 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
 /*
  * Copyright (C) 2015-2017 I2SE GmbH <info@i2se.com>
  * Copyright (C) 2016 Michael Heimpold <mhei@heimpold.de>
- *
- * The code contained herein is licensed under the GNU General Public
- * License. You may obtain a copy of the GNU General Public License
- * Version 2 or later at the following locations:
- *
- * http://www.opensource.org/licenses/gpl-license.html
- * http://www.gnu.org/copyleft/gpl.html
  */
 
 /dts-v1/;
diff --git a/dts/src/arm/imx28-duckbill-2-spi.dts b/dts/src/arm/imx28-duckbill-2-spi.dts
index d38d35b..0e8be59 100644
--- a/dts/src/arm/imx28-duckbill-2-spi.dts
+++ b/dts/src/arm/imx28-duckbill-2-spi.dts
@@ -1,13 +1,7 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
 /*
  * Copyright (C) 2015-2017 I2SE GmbH <info@i2se.com>
  * Copyright (C) 2016 Michael Heimpold <mhei@heimpold.de>
- *
- * The code contained herein is licensed under the GNU General Public
- * License. You may obtain a copy of the GNU General Public License
- * Version 2 or later at the following locations:
- *
- * http://www.opensource.org/licenses/gpl-license.html
- * http://www.gnu.org/copyleft/gpl.html
  */
 
 /dts-v1/;
diff --git a/dts/src/arm/imx28-duckbill-2.dts b/dts/src/arm/imx28-duckbill-2.dts
index 38160fb..23fd303 100644
--- a/dts/src/arm/imx28-duckbill-2.dts
+++ b/dts/src/arm/imx28-duckbill-2.dts
@@ -1,13 +1,7 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
 /*
  * Copyright (C) 2015-2017 I2SE GmbH <info@i2se.com>
  * Copyright (C) 2016 Michael Heimpold <mhei@heimpold.de>
- *
- * The code contained herein is licensed under the GNU General Public
- * License. You may obtain a copy of the GNU General Public License
- * Version 2 or later at the following locations:
- *
- * http://www.opensource.org/licenses/gpl-license.html
- * http://www.gnu.org/copyleft/gpl.html
  */
 
 /dts-v1/;
diff --git a/dts/src/arm/imx28-duckbill.dts b/dts/src/arm/imx28-duckbill.dts
index 7139c07..c666afb 100644
--- a/dts/src/arm/imx28-duckbill.dts
+++ b/dts/src/arm/imx28-duckbill.dts
@@ -1,13 +1,7 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
 /*
  * Copyright (C) 2013-2014,2016 Michael Heimpold <mhei@heimpold.de>
  * Copyright (C) 2015-2017 I2SE GmbH <info@i2se.com>
- *
- * The code contained herein is licensed under the GNU General Public
- * License. You may obtain a copy of the GNU General Public License
- * Version 2 or later at the following locations:
- *
- * http://www.opensource.org/licenses/gpl-license.html
- * http://www.gnu.org/copyleft/gpl.html
  */
 
 /dts-v1/;
diff --git a/dts/src/arm/imx28-eukrea-mbmx283lc.dts b/dts/src/arm/imx28-eukrea-mbmx283lc.dts
index 28dab6d..29f8a3a 100644
--- a/dts/src/arm/imx28-eukrea-mbmx283lc.dts
+++ b/dts/src/arm/imx28-eukrea-mbmx283lc.dts
@@ -1,15 +1,7 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
 /*
  * Copyright 2013 Eukréa Electromatique <eric@eukrea.com>
  * Copyright 2013 Eukréa Electromatique <denis@eukrea.com>
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License
- * as published by the Free Software Foundation; either version 2
- * of the License, or (at your option) any later version.
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
  */
 
 /*
diff --git a/dts/src/arm/imx28-eukrea-mbmx287lc.dts b/dts/src/arm/imx28-eukrea-mbmx287lc.dts
index 7c3d552..cd875ac 100644
--- a/dts/src/arm/imx28-eukrea-mbmx287lc.dts
+++ b/dts/src/arm/imx28-eukrea-mbmx287lc.dts
@@ -1,15 +1,7 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
 /*
  * Copyright 2013 Eukréa Electromatique <eric@eukrea.com>
  * Copyright 2013 Eukréa Electromatique <denis@eukrea.com>
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License
- * as published by the Free Software Foundation; either version 2
- * of the License, or (at your option) any later version.
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
  */
 
 /*
diff --git a/dts/src/arm/imx28-eukrea-mbmx28lc.dtsi b/dts/src/arm/imx28-eukrea-mbmx28lc.dtsi
index ff1328c..3280fdd 100644
--- a/dts/src/arm/imx28-eukrea-mbmx28lc.dtsi
+++ b/dts/src/arm/imx28-eukrea-mbmx28lc.dtsi
@@ -1,15 +1,7 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
 /*
  * Copyright 2013 Eukréa Electromatique <eric@eukrea.com>
  * Copyright 2013 Eukréa Electromatique <denis@eukrea.com>
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License
- * as published by the Free Software Foundation; either version 2
- * of the License, or (at your option) any later version.
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
  */
 
 #include <dt-bindings/input/input.h>
diff --git a/dts/src/arm/imx28-m28.dtsi b/dts/src/arm/imx28-m28.dtsi
index 298ad28..0bac72d 100644
--- a/dts/src/arm/imx28-m28.dtsi
+++ b/dts/src/arm/imx28-m28.dtsi
@@ -1,12 +1,6 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
 /*
  * Copyright (C) 2014 Marek Vasut <marex@denx.de>
- *
- * The code contained herein is licensed under the GNU General Public
- * License. You may obtain a copy of the GNU General Public License
- * Version 2 or later at the following locations:
- *
- * http://www.opensource.org/licenses/gpl-license.html
- * http://www.gnu.org/copyleft/gpl.html
  */
 
 #include "imx28.dtsi"
diff --git a/dts/src/arm/imx28-m28cu3.dts b/dts/src/arm/imx28-m28cu3.dts
index ece3310..91bd6de 100644
--- a/dts/src/arm/imx28-m28cu3.dts
+++ b/dts/src/arm/imx28-m28cu3.dts
@@ -1,12 +1,6 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
 /*
  * Copyright (C) 2013 Marek Vasut <marex@denx.de>
- *
- * The code contained herein is licensed under the GNU General Public
- * License. You may obtain a copy of the GNU General Public License
- * Version 2 or later at the following locations:
- *
- * http://www.opensource.org/licenses/gpl-license.html
- * http://www.gnu.org/copyleft/gpl.html
  */
 
 /dts-v1/;
diff --git a/dts/src/arm/imx28-m28evk.dts b/dts/src/arm/imx28-m28evk.dts
index 7d64301..f3bddc5 100644
--- a/dts/src/arm/imx28-m28evk.dts
+++ b/dts/src/arm/imx28-m28evk.dts
@@ -1,13 +1,7 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
 /*
 
  * Copyright (C) 2012 Marek Vasut <marex@denx.de>
- *
- * The code contained herein is licensed under the GNU General Public
- * License. You may obtain a copy of the GNU General Public License
- * Version 2 or later at the following locations:
- *
- * http://www.opensource.org/licenses/gpl-license.html
- * http://www.gnu.org/copyleft/gpl.html
  */
 
 /dts-v1/;
diff --git a/dts/src/arm/imx28-sps1.dts b/dts/src/arm/imx28-sps1.dts
index 42c88a6..43be7a6 100644
--- a/dts/src/arm/imx28-sps1.dts
+++ b/dts/src/arm/imx28-sps1.dts
@@ -1,12 +1,6 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
 /*
  * Copyright (C) 2012 Marek Vasut <marex@denx.de>
- *
- * The code contained herein is licensed under the GNU General Public
- * License. You may obtain a copy of the GNU General Public License
- * Version 2 or later at the following locations:
- *
- * http://www.opensource.org/licenses/gpl-license.html
- * http://www.gnu.org/copyleft/gpl.html
  */
 
 /dts-v1/;
diff --git a/dts/src/arm/imx28-ts4600.dts b/dts/src/arm/imx28-ts4600.dts
index e3fd411..097ec35 100644
--- a/dts/src/arm/imx28-ts4600.dts
+++ b/dts/src/arm/imx28-ts4600.dts
@@ -1,13 +1,7 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
 /*
  * Copyright (C) 2016 Savoir-Faire Linux
  * Author: Sebastien Bourdelin <sebastien.bourdelin@savoirfairelinux.com>
- *
- * The code contained herein is licensed under the GNU General Public
- * License. You may obtain a copy of the GNU General Public License
- * Version 2 or later at the following locations:
- *
- * http://www.opensource.org/licenses/gpl-license.html
- * http://www.gnu.org/copyleft/gpl.html
  */
 
 /dts-v1/;
diff --git a/dts/src/arm/imx31-bug.dts b/dts/src/arm/imx31-bug.dts
index 9eb960c..d87eee3 100644
--- a/dts/src/arm/imx31-bug.dts
+++ b/dts/src/arm/imx31-bug.dts
@@ -1,12 +1,6 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
 /*
  * Copyright 2012 Denis 'GNUtoo' Carikli <GNUtoo@no-log.org>
- *
- * The code contained herein is licensed under the GNU General Public
- * License. You may obtain a copy of the GNU General Public License
- * Version 2 or later at the following locations:
- *
- * http://www.opensource.org/licenses/gpl-license.html
- * http://www.gnu.org/copyleft/gpl.html
  */
 
 /dts-v1/;
diff --git a/dts/src/arm/imx35-eukrea-cpuimx35.dtsi b/dts/src/arm/imx35-eukrea-cpuimx35.dtsi
index 5f8a47a..17bd2a9 100644
--- a/dts/src/arm/imx35-eukrea-cpuimx35.dtsi
+++ b/dts/src/arm/imx35-eukrea-cpuimx35.dtsi
@@ -1,14 +1,6 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
 /*
  * Copyright 2013 Eukréa Electromatique <denis@eukrea.com>
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License
- * as published by the Free Software Foundation; either version 2
- * of the License, or (at your option) any later version.
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
  */
 
 #include "imx35.dtsi"
diff --git a/dts/src/arm/imx35-eukrea-mbimxsd35-baseboard.dts b/dts/src/arm/imx35-eukrea-mbimxsd35-baseboard.dts
index ae98d67..b1c1117 100644
--- a/dts/src/arm/imx35-eukrea-mbimxsd35-baseboard.dts
+++ b/dts/src/arm/imx35-eukrea-mbimxsd35-baseboard.dts
@@ -1,14 +1,6 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
 /*
  * Copyright 2013 Eukréa Electromatique <denis@eukrea.com>
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License
- * as published by the Free Software Foundation; either version 2
- * of the License, or (at your option) any later version.
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
  */
 
 /dts-v1/;
diff --git a/dts/src/arm/imx51-apf51.dts b/dts/src/arm/imx51-apf51.dts
index 1eddf29..ba28ffe 100644
--- a/dts/src/arm/imx51-apf51.dts
+++ b/dts/src/arm/imx51-apf51.dts
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
 /*
  * Copyright 2012 Armadeus Systems - <support@armadeus.com>
  * Copyright 2012 Laurent Cans <laurent.cans@gmail.com>
@@ -5,13 +6,6 @@
  * Based on mx51-babbage.dts
  * Copyright 2011 Freescale Semiconductor, Inc.
  * Copyright 2011 Linaro Ltd.
- *
- * The code contained herein is licensed under the GNU General Public
- * License. You may obtain a copy of the GNU General Public License
- * Version 2 or later at the following locations:
- *
- * http://www.opensource.org/licenses/gpl-license.html
- * http://www.gnu.org/copyleft/gpl.html
  */
 
 /dts-v1/;
diff --git a/dts/src/arm/imx51-apf51dev.dts b/dts/src/arm/imx51-apf51dev.dts
index 3e1846a..563c1aa 100644
--- a/dts/src/arm/imx51-apf51dev.dts
+++ b/dts/src/arm/imx51-apf51dev.dts
@@ -1,12 +1,6 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
 /*
  * Copyright 2013 Armadeus Systems - <support@armadeus.com>
- *
- * The code contained herein is licensed under the GNU General Public
- * License. You may obtain a copy of the GNU General Public License
- * Version 2 or later at the following locations:
- *
- * http://www.opensource.org/licenses/gpl-license.html
- * http://www.gnu.org/copyleft/gpl.html
  */
 
 /* APF51Dev is a docking board for the APF51 SOM */
diff --git a/dts/src/arm/imx51-digi-connectcore-jsk.dts b/dts/src/arm/imx51-digi-connectcore-jsk.dts
index a2eea58..aab8d6f 100644
--- a/dts/src/arm/imx51-digi-connectcore-jsk.dts
+++ b/dts/src/arm/imx51-digi-connectcore-jsk.dts
@@ -1,12 +1,6 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
 /*
  * Copyright (C) 2014 Alexander Shiyan <shc_work@mail.ru>
- *
- * The code contained herein is licensed under the GNU General Public
- * License. You may obtain a copy of the GNU General Public License
- * Version 2 or later at the following locations:
- *
- * http://www.opensource.org/licenses/gpl-license.html
- * http://www.gnu.org/copyleft/gpl.html
  */
 
 #include "imx51-digi-connectcore-som.dtsi"
diff --git a/dts/src/arm/imx51-digi-connectcore-som.dtsi b/dts/src/arm/imx51-digi-connectcore-som.dtsi
index d90ba5f..16addb3 100644
--- a/dts/src/arm/imx51-digi-connectcore-som.dtsi
+++ b/dts/src/arm/imx51-digi-connectcore-som.dtsi
@@ -1,12 +1,6 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
 /*
  * Copyright (C) 2014 Alexander Shiyan <shc_work@mail.ru>
- *
- * The code contained herein is licensed under the GNU General Public
- * License. You may obtain a copy of the GNU General Public License
- * Version 2 or later at the following locations:
- *
- * http://www.opensource.org/licenses/gpl-license.html
- * http://www.gnu.org/copyleft/gpl.html
  */
 
 /dts-v1/;
diff --git a/dts/src/arm/imx53-ard.dts b/dts/src/arm/imx53-ard.dts
index 7d5a482..9a2e1fd 100644
--- a/dts/src/arm/imx53-ard.dts
+++ b/dts/src/arm/imx53-ard.dts
@@ -1,13 +1,7 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
 /*
  * Copyright 2011 Freescale Semiconductor, Inc.
  * Copyright 2011 Linaro Ltd.
- *
- * The code contained herein is licensed under the GNU General Public
- * License. You may obtain a copy of the GNU General Public License
- * Version 2 or later at the following locations:
- *
- * http://www.opensource.org/licenses/gpl-license.html
- * http://www.gnu.org/copyleft/gpl.html
  */
 
 /dts-v1/;
diff --git a/dts/src/arm/imx53-cx9020.dts b/dts/src/arm/imx53-cx9020.dts
index c875e23..0a475c2 100644
--- a/dts/src/arm/imx53-cx9020.dts
+++ b/dts/src/arm/imx53-cx9020.dts
@@ -1,13 +1,7 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
 /*
  * Copyright 2017 Beckhoff Automation GmbH & Co. KG
  * based on imx53-qsb.dts
- *
- * The code contained herein is licensed under the GNU General Public
- * License. You may obtain a copy of the GNU General Public License
- * Version 2 or later at the following locations:
- *
- * http://www.opensource.org/licenses/gpl-license.html
- * http://www.gnu.org/copyleft/gpl.html
  */
 
 /dts-v1/;
diff --git a/dts/src/arm/imx53-m53.dtsi b/dts/src/arm/imx53-m53.dtsi
index d1770e1..fe5e0d3 100644
--- a/dts/src/arm/imx53-m53.dtsi
+++ b/dts/src/arm/imx53-m53.dtsi
@@ -1,12 +1,6 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
 /*
  * Copyright (C) 2014 Marek Vasut <marex@denx.de>
- *
- * The code contained herein is licensed under the GNU General Public
- * License. You may obtain a copy of the GNU General Public License
- * Version 2 or later at the following locations:
- *
- * http://www.opensource.org/licenses/gpl-license.html
- * http://www.gnu.org/copyleft/gpl.html
  */
 
 #include "imx53.dtsi"
diff --git a/dts/src/arm/imx53-m53evk.dts b/dts/src/arm/imx53-m53evk.dts
index 3935fe6..daab56a 100644
--- a/dts/src/arm/imx53-m53evk.dts
+++ b/dts/src/arm/imx53-m53evk.dts
@@ -1,12 +1,6 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
 /*
  * Copyright (C) 2013 Marek Vasut <marex@denx.de>
- *
- * The code contained herein is licensed under the GNU General Public
- * License. You may obtain a copy of the GNU General Public License
- * Version 2 or later at the following locations:
- *
- * http://www.opensource.org/licenses/gpl-license.html
- * http://www.gnu.org/copyleft/gpl.html
  */
 
 /dts-v1/;
diff --git a/dts/src/arm/imx53-mba53.dts b/dts/src/arm/imx53-mba53.dts
index 296dd74..09eee0d 100644
--- a/dts/src/arm/imx53-mba53.dts
+++ b/dts/src/arm/imx53-mba53.dts
@@ -1,13 +1,7 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
 /*
  * Copyright 2012 Sascha Hauer <s.hauer@pengutronix.de>, Pengutronix
  * Copyright 2012 Steffen Trumtrar <s.trumtrar@pengutronix.de>, Pengutronix
- *
- * The code contained herein is licensed under the GNU General Public
- * License. You may obtain a copy of the GNU General Public License
- * Version 2 or later at the following locations:
- *
- * http://www.opensource.org/licenses/gpl-license.html
- * http://www.gnu.org/copyleft/gpl.html
  */
 
 /dts-v1/;
diff --git a/dts/src/arm/imx53-tqma53.dtsi b/dts/src/arm/imx53-tqma53.dtsi
index c77d58f..ea90fd9 100644
--- a/dts/src/arm/imx53-tqma53.dtsi
+++ b/dts/src/arm/imx53-tqma53.dtsi
@@ -1,13 +1,7 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
 /*
  * Copyright 2012 Sascha Hauer <s.hauer@pengutronix.de>, Pengutronix
  * Copyright 2012 Steffen Trumtrar <s.trumtrar@pengutronix.de>, Pengutronix
- *
- * The code contained herein is licensed under the GNU General Public
- * License. You may obtain a copy of the GNU General Public License
- * Version 2 or later at the following locations:
- *
- * http://www.opensource.org/licenses/gpl-license.html
- * http://www.gnu.org/copyleft/gpl.html
  */
 
 #include "imx53.dtsi"
diff --git a/dts/src/arm/imx53-voipac-bsb.dts b/dts/src/arm/imx53-voipac-bsb.dts
index 9570537..ae53d17 100644
--- a/dts/src/arm/imx53-voipac-bsb.dts
+++ b/dts/src/arm/imx53-voipac-bsb.dts
@@ -1,12 +1,6 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
 /*
  * Copyright 2013 Rostislav Lisovy <lisovy@gmail.com>, PiKRON s.r.o.
- *
- * The code contained herein is licensed under the GNU General Public
- * License. You may obtain a copy of the GNU General Public License
- * Version 2 or later at the following locations:
- *
- * http://www.opensource.org/licenses/gpl-license.html
- * http://www.gnu.org/copyleft/gpl.html
  */
 
 /dts-v1/;
diff --git a/dts/src/arm/imx53-voipac-dmm-668.dtsi b/dts/src/arm/imx53-voipac-dmm-668.dtsi
index d595034..289feab 100644
--- a/dts/src/arm/imx53-voipac-dmm-668.dtsi
+++ b/dts/src/arm/imx53-voipac-dmm-668.dtsi
@@ -1,12 +1,6 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
 /*
  * Copyright 2013 Rostislav Lisovy <lisovy@gmail.com>, PiKRON s.r.o.
- *
- * The code contained herein is licensed under the GNU General Public
- * License. You may obtain a copy of the GNU General Public License
- * Version 2 or later at the following locations:
- *
- * http://www.opensource.org/licenses/gpl-license.html
- * http://www.gnu.org/copyleft/gpl.html
  */
 
 #include "imx53.dtsi"
diff --git a/dts/src/arm/imx6dl-dfi-fs700-m60.dts b/dts/src/arm/imx6dl-dfi-fs700-m60.dts
index 588286a..cece4aa 100644
--- a/dts/src/arm/imx6dl-dfi-fs700-m60.dts
+++ b/dts/src/arm/imx6dl-dfi-fs700-m60.dts
@@ -1,12 +1,6 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
 /*
  * Copyright 2013 Sascha Hauer <s.hauer@pengutronix.de>
- *
- * The code contained herein is licensed under the GNU General Public
- * License. You may obtain a copy of the GNU General Public License
- * Version 2 or later at the following locations:
- *
- * http://www.opensource.org/licenses/gpl-license.html
- * http://www.gnu.org/copyleft/gpl.html
  */
 
 #ifndef __DTS_V1__
diff --git a/dts/src/arm/imx6dl-gw51xx.dts b/dts/src/arm/imx6dl-gw51xx.dts
index b2bd022..9956d12 100644
--- a/dts/src/arm/imx6dl-gw51xx.dts
+++ b/dts/src/arm/imx6dl-gw51xx.dts
@@ -1,12 +1,6 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
 /*
  * Copyright 2013 Gateworks Corporation
- *
- * The code contained herein is licensed under the GNU General Public
- * License. You may obtain a copy of the GNU General Public License
- * Version 2 or later at the following locations:
- *
- * http://www.opensource.org/licenses/gpl-license.html
- * http://www.gnu.org/copyleft/gpl.html
  */
 
 /dts-v1/;
diff --git a/dts/src/arm/imx6dl-gw52xx.dts b/dts/src/arm/imx6dl-gw52xx.dts
index 5f9f894..9ea23dd 100644
--- a/dts/src/arm/imx6dl-gw52xx.dts
+++ b/dts/src/arm/imx6dl-gw52xx.dts
@@ -1,12 +1,6 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
 /*
  * Copyright 2013 Gateworks Corporation
- *
- * The code contained herein is licensed under the GNU General Public
- * License. You may obtain a copy of the GNU General Public License
- * Version 2 or later at the following locations:
- *
- * http://www.opensource.org/licenses/gpl-license.html
- * http://www.gnu.org/copyleft/gpl.html
  */
 
 /dts-v1/;
diff --git a/dts/src/arm/imx6dl-gw53xx.dts b/dts/src/arm/imx6dl-gw53xx.dts
index 9bfc620..182e819 100644
--- a/dts/src/arm/imx6dl-gw53xx.dts
+++ b/dts/src/arm/imx6dl-gw53xx.dts
@@ -1,12 +1,6 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
 /*
  * Copyright 2013 Gateworks Corporation
- *
- * The code contained herein is licensed under the GNU General Public
- * License. You may obtain a copy of the GNU General Public License
- * Version 2 or later at the following locations:
- *
- * http://www.opensource.org/licenses/gpl-license.html
- * http://www.gnu.org/copyleft/gpl.html
  */
 
 /dts-v1/;
diff --git a/dts/src/arm/imx6dl-gw54xx.dts b/dts/src/arm/imx6dl-gw54xx.dts
index b909bdf..a106c4e 100644
--- a/dts/src/arm/imx6dl-gw54xx.dts
+++ b/dts/src/arm/imx6dl-gw54xx.dts
@@ -1,12 +1,6 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
 /*
  * Copyright 2013 Gateworks Corporation
- *
- * The code contained herein is licensed under the GNU General Public
- * License. You may obtain a copy of the GNU General Public License
- * Version 2 or later at the following locations:
- *
- * http://www.opensource.org/licenses/gpl-license.html
- * http://www.gnu.org/copyleft/gpl.html
  */
 
 /dts-v1/;
diff --git a/dts/src/arm/imx6dl-gw552x.dts b/dts/src/arm/imx6dl-gw552x.dts
index a4b700c..4864a36 100644
--- a/dts/src/arm/imx6dl-gw552x.dts
+++ b/dts/src/arm/imx6dl-gw552x.dts
@@ -1,12 +1,6 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
 /*
  * Copyright 2014 Gateworks Corporation
- *
- * The code contained herein is licensed under the GNU General Public
- * License. You may obtain a copy of the GNU General Public License
- * Version 2 or later at the following locations:
- *
- * http://www.opensource.org/licenses/gpl-license.html
- * http://www.gnu.org/copyleft/gpl.html
  */
 
 /dts-v1/;
diff --git a/dts/src/arm/imx6dl-phytec-pbab01.dts b/dts/src/arm/imx6dl-phytec-pbab01.dts
index 08e9780..0a07cc6 100644
--- a/dts/src/arm/imx6dl-phytec-pbab01.dts
+++ b/dts/src/arm/imx6dl-phytec-pbab01.dts
@@ -1,12 +1,6 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
 /*
  * Copyright 2013 Christian Hemp, Phytec Messtechnik GmbH
- *
- * The code contained herein is licensed under the GNU General Public
- * License. You may obtain a copy of the GNU General Public License
- * Version 2 or later at the following locations:
- *
- * http://www.opensource.org/licenses/gpl-license.html
- * http://www.gnu.org/copyleft/gpl.html
  */
 
 /dts-v1/;
diff --git a/dts/src/arm/imx6dl-phytec-pfla02.dtsi b/dts/src/arm/imx6dl-phytec-pfla02.dtsi
index d7e7299..6f8aaf5 100644
--- a/dts/src/arm/imx6dl-phytec-pfla02.dtsi
+++ b/dts/src/arm/imx6dl-phytec-pfla02.dtsi
@@ -1,12 +1,6 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
 /*
  * Copyright 2013 Christian Hemp, Phytec Messtechnik GmbH
- *
- * The code contained herein is licensed under the GNU General Public
- * License. You may obtain a copy of the GNU General Public License
- * Version 2 or later at the following locations:
- *
- * http://www.opensource.org/licenses/gpl-license.html
- * http://www.gnu.org/copyleft/gpl.html
  */
 
 #include "imx6dl.dtsi"
diff --git a/dts/src/arm/imx6q-arm2.dts b/dts/src/arm/imx6q-arm2.dts
index baadcb7..0b40f52 100644
--- a/dts/src/arm/imx6q-arm2.dts
+++ b/dts/src/arm/imx6q-arm2.dts
@@ -1,13 +1,7 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
 /*
  * Copyright 2011 Freescale Semiconductor, Inc.
  * Copyright 2011 Linaro Ltd.
- *
- * The code contained herein is licensed under the GNU General Public
- * License. You may obtain a copy of the GNU General Public License
- * Version 2 or later at the following locations:
- *
- * http://www.opensource.org/licenses/gpl-license.html
- * http://www.gnu.org/copyleft/gpl.html
  */
 
 /dts-v1/;
diff --git a/dts/src/arm/imx6q-dfi-fs700-m60.dts b/dts/src/arm/imx6q-dfi-fs700-m60.dts
index e13acbb..8bfe633 100644
--- a/dts/src/arm/imx6q-dfi-fs700-m60.dts
+++ b/dts/src/arm/imx6q-dfi-fs700-m60.dts
@@ -1,12 +1,6 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
 /*
  * Copyright 2013 Sascha Hauer <s.hauer@pengutronix.de>
- *
- * The code contained herein is licensed under the GNU General Public
- * License. You may obtain a copy of the GNU General Public License
- * Version 2 or later at the following locations:
- *
- * http://www.opensource.org/licenses/gpl-license.html
- * http://www.gnu.org/copyleft/gpl.html
  */
 
 #ifndef __DTS_V1__
diff --git a/dts/src/arm/imx6q-dmo-edmqmx6.dts b/dts/src/arm/imx6q-dmo-edmqmx6.dts
index ee8c38e..f9df207 100644
--- a/dts/src/arm/imx6q-dmo-edmqmx6.dts
+++ b/dts/src/arm/imx6q-dmo-edmqmx6.dts
@@ -1,12 +1,6 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
 /*
  * Copyright 2013 Data Modul AG
- *
- * The code contained herein is licensed under the GNU General Public
- * License. You may obtain a copy of the GNU General Public License
- * Version 2 or later at the following locations:
- *
- * http://www.opensource.org/licenses/gpl-license.html
- * http://www.gnu.org/copyleft/gpl.html
  */
 
 /dts-v1/;
diff --git a/dts/src/arm/imx6q-gw51xx.dts b/dts/src/arm/imx6q-gw51xx.dts
index 8e8bcd8..f801734 100644
--- a/dts/src/arm/imx6q-gw51xx.dts
+++ b/dts/src/arm/imx6q-gw51xx.dts
@@ -1,12 +1,6 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
 /*
  * Copyright 2013 Gateworks Corporation
- *
- * The code contained herein is licensed under the GNU General Public
- * License. You may obtain a copy of the GNU General Public License
- * Version 2 or later at the following locations:
- *
- * http://www.opensource.org/licenses/gpl-license.html
- * http://www.gnu.org/copyleft/gpl.html
  */
 
 /dts-v1/;
diff --git a/dts/src/arm/imx6q-gw52xx.dts b/dts/src/arm/imx6q-gw52xx.dts
index 0b8ae00..6e1c493 100644
--- a/dts/src/arm/imx6q-gw52xx.dts
+++ b/dts/src/arm/imx6q-gw52xx.dts
@@ -1,12 +1,6 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
 /*
  * Copyright 2013 Gateworks Corporation
- *
- * The code contained herein is licensed under the GNU General Public
- * License. You may obtain a copy of the GNU General Public License
- * Version 2 or later at the following locations:
- *
- * http://www.opensource.org/licenses/gpl-license.html
- * http://www.gnu.org/copyleft/gpl.html
  */
 
 /dts-v1/;
diff --git a/dts/src/arm/imx6q-gw53xx.dts b/dts/src/arm/imx6q-gw53xx.dts
index a56ef77..f13df8e 100644
--- a/dts/src/arm/imx6q-gw53xx.dts
+++ b/dts/src/arm/imx6q-gw53xx.dts
@@ -1,12 +1,6 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
 /*
  * Copyright 2013 Gateworks Corporation
- *
- * The code contained herein is licensed under the GNU General Public
- * License. You may obtain a copy of the GNU General Public License
- * Version 2 or later at the following locations:
- *
- * http://www.opensource.org/licenses/gpl-license.html
- * http://www.gnu.org/copyleft/gpl.html
  */
 
 /dts-v1/;
diff --git a/dts/src/arm/imx6q-gw5400-a.dts b/dts/src/arm/imx6q-gw5400-a.dts
index 4038170..b6e2b58 100644
--- a/dts/src/arm/imx6q-gw5400-a.dts
+++ b/dts/src/arm/imx6q-gw5400-a.dts
@@ -1,12 +1,6 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
 /*
  * Copyright 2013 Gateworks Corporation
- *
- * The code contained herein is licensed under the GNU General Public
- * License. You may obtain a copy of the GNU General Public License
- * Version 2 or later at the following locations:
- *
- * http://www.opensource.org/licenses/gpl-license.html
- * http://www.gnu.org/copyleft/gpl.html
  */
 
 /dts-v1/;
diff --git a/dts/src/arm/imx6q-gw54xx.dts b/dts/src/arm/imx6q-gw54xx.dts
index cb0a5f7..ecc3989 100644
--- a/dts/src/arm/imx6q-gw54xx.dts
+++ b/dts/src/arm/imx6q-gw54xx.dts
@@ -1,12 +1,6 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
 /*
  * Copyright 2013 Gateworks Corporation
- *
- * The code contained herein is licensed under the GNU General Public
- * License. You may obtain a copy of the GNU General Public License
- * Version 2 or later at the following locations:
- *
- * http://www.opensource.org/licenses/gpl-license.html
- * http://www.gnu.org/copyleft/gpl.html
  */
 
 /dts-v1/;
diff --git a/dts/src/arm/imx6q-gw552x.dts b/dts/src/arm/imx6q-gw552x.dts
index f87a8fa..c973b73 100644
--- a/dts/src/arm/imx6q-gw552x.dts
+++ b/dts/src/arm/imx6q-gw552x.dts
@@ -1,12 +1,6 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
 /*
  * Copyright 2014 Gateworks Corporation
- *
- * The code contained herein is licensed under the GNU General Public
- * License. You may obtain a copy of the GNU General Public License
- * Version 2 or later at the following locations:
- *
- * http://www.opensource.org/licenses/gpl-license.html
- * http://www.gnu.org/copyleft/gpl.html
  */
 
 /dts-v1/;
diff --git a/dts/src/arm/imx6q-phytec-pbab01.dts b/dts/src/arm/imx6q-phytec-pbab01.dts
index 1f47713..affe30b 100644
--- a/dts/src/arm/imx6q-phytec-pbab01.dts
+++ b/dts/src/arm/imx6q-phytec-pbab01.dts
@@ -1,12 +1,6 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
 /*
  * Copyright 2013 Christian Hemp, Phytec Messtechnik GmbH
- *
- * The code contained herein is licensed under the GNU General Public
- * License. You may obtain a copy of the GNU General Public License
- * Version 2 or later at the following locations:
- *
- * http://www.opensource.org/licenses/gpl-license.html
- * http://www.gnu.org/copyleft/gpl.html
  */
 
 /dts-v1/;
diff --git a/dts/src/arm/imx6q-phytec-pfla02.dtsi b/dts/src/arm/imx6q-phytec-pfla02.dtsi
index 097f2c5..500944b 100644
--- a/dts/src/arm/imx6q-phytec-pfla02.dtsi
+++ b/dts/src/arm/imx6q-phytec-pfla02.dtsi
@@ -1,12 +1,6 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
 /*
  * Copyright 2013 Christian Hemp, Phytec Messtechnik GmbH
- *
- * The code contained herein is licensed under the GNU General Public
- * License. You may obtain a copy of the GNU General Public License
- * Version 2 or later at the following locations:
- *
- * http://www.opensource.org/licenses/gpl-license.html
- * http://www.gnu.org/copyleft/gpl.html
  */
 
 #include "imx6q.dtsi"
diff --git a/dts/src/arm/imx6q-sbc6x.dts b/dts/src/arm/imx6q-sbc6x.dts
index 3129f72..9054c1d 100644
--- a/dts/src/arm/imx6q-sbc6x.dts
+++ b/dts/src/arm/imx6q-sbc6x.dts
@@ -1,8 +1,6 @@
+// SPDX-License-Identifier: GPL-2.0-only
 /*
  * Copyright 2013 Pavel Machek <pavel@denx.de>
- *
- * The code contained herein is licensed under the GNU General Public
- * License V2.
  */
 
 /dts-v1/;
diff --git a/dts/src/arm/imx6qdl-gw51xx.dtsi b/dts/src/arm/imx6qdl-gw51xx.dtsi
index d360996..419a7cd 100644
--- a/dts/src/arm/imx6qdl-gw51xx.dtsi
+++ b/dts/src/arm/imx6qdl-gw51xx.dtsi
@@ -1,12 +1,6 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
 /*
  * Copyright 2013 Gateworks Corporation
- *
- * The code contained herein is licensed under the GNU General Public
- * License. You may obtain a copy of the GNU General Public License
- * Version 2 or later at the following locations:
- *
- * http://www.opensource.org/licenses/gpl-license.html
- * http://www.gnu.org/copyleft/gpl.html
  */
 
 #include <dt-bindings/gpio/gpio.h>
diff --git a/dts/src/arm/imx6qdl-gw52xx.dtsi b/dts/src/arm/imx6qdl-gw52xx.dtsi
index 2ff377d..1a9a9d9 100644
--- a/dts/src/arm/imx6qdl-gw52xx.dtsi
+++ b/dts/src/arm/imx6qdl-gw52xx.dtsi
@@ -1,12 +1,6 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
 /*
  * Copyright 2013 Gateworks Corporation
- *
- * The code contained herein is licensed under the GNU General Public
- * License. You may obtain a copy of the GNU General Public License
- * Version 2 or later at the following locations:
- *
- * http://www.opensource.org/licenses/gpl-license.html
- * http://www.gnu.org/copyleft/gpl.html
  */
 
 #include <dt-bindings/gpio/gpio.h>
diff --git a/dts/src/arm/imx6qdl-gw53xx.dtsi b/dts/src/arm/imx6qdl-gw53xx.dtsi
index 68ab543..54b2bea 100644
--- a/dts/src/arm/imx6qdl-gw53xx.dtsi
+++ b/dts/src/arm/imx6qdl-gw53xx.dtsi
@@ -1,12 +1,6 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
 /*
  * Copyright 2013 Gateworks Corporation
- *
- * The code contained herein is licensed under the GNU General Public
- * License. You may obtain a copy of the GNU General Public License
- * Version 2 or later at the following locations:
- *
- * http://www.opensource.org/licenses/gpl-license.html
- * http://www.gnu.org/copyleft/gpl.html
  */
 
 #include <dt-bindings/gpio/gpio.h>
diff --git a/dts/src/arm/imx6qdl-gw54xx.dtsi b/dts/src/arm/imx6qdl-gw54xx.dtsi
index e4d1c52..1b6c133 100644
--- a/dts/src/arm/imx6qdl-gw54xx.dtsi
+++ b/dts/src/arm/imx6qdl-gw54xx.dtsi
@@ -1,12 +1,6 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
 /*
  * Copyright 2013 Gateworks Corporation
- *
- * The code contained herein is licensed under the GNU General Public
- * License. You may obtain a copy of the GNU General Public License
- * Version 2 or later at the following locations:
- *
- * http://www.opensource.org/licenses/gpl-license.html
- * http://www.gnu.org/copyleft/gpl.html
  */
 
 #include <dt-bindings/gpio/gpio.h>
diff --git a/dts/src/arm/imx6qdl-gw552x.dtsi b/dts/src/arm/imx6qdl-gw552x.dtsi
index dacc2a1..dc646b7 100644
--- a/dts/src/arm/imx6qdl-gw552x.dtsi
+++ b/dts/src/arm/imx6qdl-gw552x.dtsi
@@ -1,12 +1,6 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
 /*
  * Copyright 2014 Gateworks Corporation
- *
- * The code contained herein is licensed under the GNU General Public
- * License. You may obtain a copy of the GNU General Public License
- * Version 2 or later at the following locations:
- *
- * http://www.opensource.org/licenses/gpl-license.html
- * http://www.gnu.org/copyleft/gpl.html
  */
 
 #include <dt-bindings/gpio/gpio.h>
diff --git a/dts/src/arm/imx6qdl-phytec-pbab01.dtsi b/dts/src/arm/imx6qdl-phytec-pbab01.dtsi
index 7ba317a..82802f8 100644
--- a/dts/src/arm/imx6qdl-phytec-pbab01.dtsi
+++ b/dts/src/arm/imx6qdl-phytec-pbab01.dtsi
@@ -1,12 +1,6 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
 /*
  * Copyright 2013 Christian Hemp, Phytec Messtechnik GmbH
- *
- * The code contained herein is licensed under the GNU General Public
- * License. You may obtain a copy of the GNU General Public License
- * Version 2 or later at the following locations:
- *
- * http://www.opensource.org/licenses/gpl-license.html
- * http://www.gnu.org/copyleft/gpl.html
  */
 
 #include <dt-bindings/sound/fsl-imx-audmux.h>
diff --git a/dts/src/arm/imx6qdl-phytec-pfla02.dtsi b/dts/src/arm/imx6qdl-phytec-pfla02.dtsi
index 7e53ac6..bc43c75 100644
--- a/dts/src/arm/imx6qdl-phytec-pfla02.dtsi
+++ b/dts/src/arm/imx6qdl-phytec-pfla02.dtsi
@@ -1,12 +1,6 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
 /*
  * Copyright 2013 Christian Hemp, Phytec Messtechnik GmbH
- *
- * The code contained herein is licensed under the GNU General Public
- * License. You may obtain a copy of the GNU General Public License
- * Version 2 or later at the following locations:
- *
- * http://www.opensource.org/licenses/gpl-license.html
- * http://www.gnu.org/copyleft/gpl.html
  */
 
 #include <dt-bindings/gpio/gpio.h>
diff --git a/dts/src/arm/lpc3250-ea3250.dts b/dts/src/arm/lpc3250-ea3250.dts
index 4adf4c9..63c6f17 100644
--- a/dts/src/arm/lpc3250-ea3250.dts
+++ b/dts/src/arm/lpc3250-ea3250.dts
@@ -1,14 +1,8 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
 /*
  * Embedded Artists LPC3250 board
  *
  * Copyright 2012 Roland Stigge <stigge@antcom.de>
- *
- * The code contained herein is licensed under the GNU General Public
- * License. You may obtain a copy of the GNU General Public License
- * Version 2 or later at the following locations:
- *
- * http://www.opensource.org/licenses/gpl-license.html
- * http://www.gnu.org/copyleft/gpl.html
  */
 
 /dts-v1/;
diff --git a/dts/src/arm/lpc3250-phy3250.dts b/dts/src/arm/lpc3250-phy3250.dts
index 1b15f79..21a6d0b 100644
--- a/dts/src/arm/lpc3250-phy3250.dts
+++ b/dts/src/arm/lpc3250-phy3250.dts
@@ -1,15 +1,9 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
 /*
  * PHYTEC phyCORE-LPC3250 board
  *
  * Copyright (C) 2015-2019 Vladimir Zapolskiy <vz@mleia.com>
  * Copyright 2012 Roland Stigge <stigge@antcom.de>
- *
- * The code contained herein is licensed under the GNU General Public
- * License. You may obtain a copy of the GNU General Public License
- * Version 2 or later at the following locations:
- *
- * http://www.opensource.org/licenses/gpl-license.html
- * http://www.gnu.org/copyleft/gpl.html
  */
 
 /dts-v1/;
diff --git a/dts/src/arm/mpa1600.dts b/dts/src/arm/mpa1600.dts
index 43aaa67..a5c91c2 100644
--- a/dts/src/arm/mpa1600.dts
+++ b/dts/src/arm/mpa1600.dts
@@ -1,9 +1,8 @@
+// SPDX-License-Identifier: GPL-2.0-only
 /*
  * mpa1600.dts - Device Tree file for Phontech MPA 1600
  *
  *  Copyright (C) 2013 Joachim Eastwood <manabian@gmail.com>
- *
- * Licensed under GPLv2 only
  */
 /dts-v1/;
 #include "at91rm9200.dtsi"
diff --git a/dts/src/arm/mt2701-pinfunc.h b/dts/src/arm/mt2701-pinfunc.h
index e24ebc8..136a25a 100644
--- a/dts/src/arm/mt2701-pinfunc.h
+++ b/dts/src/arm/mt2701-pinfunc.h
@@ -1,15 +1,7 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
 /*
  * Copyright (c) 2015 MediaTek Inc.
  * Author: Biao Huang <biao.huang@mediatek.com>
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
  */
 
 #ifndef __DTS_MT2701_PINFUNC_H
diff --git a/dts/src/arm/mt8135-pinfunc.h b/dts/src/arm/mt8135-pinfunc.h
index 5a60987..ce0cb5a 100644
--- a/dts/src/arm/mt8135-pinfunc.h
+++ b/dts/src/arm/mt8135-pinfunc.h
@@ -1,15 +1,7 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
 /*
  * Copyright (c) 2014 MediaTek Inc.
  * Author: Hongzhou.Yang <hongzhou.yang@mediatek.com>
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
  */
 
 #ifndef __DTS_MT8135_PINFUNC_H
diff --git a/dts/src/arm/omap3-lilly-a83x.dtsi b/dts/src/arm/omap3-lilly-a83x.dtsi
index cf7a2a7..c22833d 100644
--- a/dts/src/arm/omap3-lilly-a83x.dtsi
+++ b/dts/src/arm/omap3-lilly-a83x.dtsi
@@ -1,10 +1,6 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
 /*
  * Copyright (C) 2014 Christoph Fritz <chf.fritzc@googlemail.com>
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
  */
 
 #include "omap36xx.dtsi"
diff --git a/dts/src/arm/omap3-lilly-dbb056.dts b/dts/src/arm/omap3-lilly-dbb056.dts
index 0e3c981..fec3354 100644
--- a/dts/src/arm/omap3-lilly-dbb056.dts
+++ b/dts/src/arm/omap3-lilly-dbb056.dts
@@ -1,10 +1,6 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
 /*
  * Copyright (C) 2014 Christoph Fritz <chf.fritzc@googlemail.com>
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
  */
 /dts-v1/;
 
diff --git a/dts/src/arm/pm9g45.dts b/dts/src/arm/pm9g45.dts
index 927d00c..4dfe0f1 100644
--- a/dts/src/arm/pm9g45.dts
+++ b/dts/src/arm/pm9g45.dts
@@ -1,9 +1,8 @@
+// SPDX-License-Identifier: GPL-2.0-only
 /*
  * pm9g45.dts - Device Tree file for Ronetix pm9g45 board
  *
  *  Copyright (C) 2012 Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>
- *
- * Licensed under GPLv2.
  */
 /dts-v1/;
 #include "at91sam9g45.dtsi"
diff --git a/dts/src/arm/pxa25x.dtsi b/dts/src/arm/pxa25x.dtsi
index 8494b57..a248bf0 100644
--- a/dts/src/arm/pxa25x.dtsi
+++ b/dts/src/arm/pxa25x.dtsi
@@ -1,12 +1,6 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
 /*
  * Copyright (C) 2016 Robert Jarzmik <robert.jarzmik@free.fr>
- *
- * The code contained herein is licensed under the GNU General Public
- * License. You may obtain a copy of the GNU General Public License
- * Version 2 or later at the following locations:
- *
- * http://www.opensource.org/licenses/gpl-license.html
- * http://www.gnu.org/copyleft/gpl.html
  */
 #include "pxa2xx.dtsi"
 #include "dt-bindings/clock/pxa-clock.h"
diff --git a/dts/src/arm/sama5d3_can.dtsi b/dts/src/arm/sama5d3_can.dtsi
index c5a3772..cf06a01 100644
--- a/dts/src/arm/sama5d3_can.dtsi
+++ b/dts/src/arm/sama5d3_can.dtsi
@@ -1,10 +1,9 @@
+// SPDX-License-Identifier: GPL-2.0-only
 /*
  * sama5d3_can.dtsi - Device Tree Include file for SAMA5D3 SoC with
  * CAN support
  *
  * Copyright (C) 2013 Boris BREZILLON <b.brezillon@overkiz.com>
- *
- * Licensed under GPLv2.
  */
 
 #include <dt-bindings/pinctrl/at91.h>
diff --git a/dts/src/arm/sama5d3_emac.dtsi b/dts/src/arm/sama5d3_emac.dtsi
index 6e9e1c2..9aef414 100644
--- a/dts/src/arm/sama5d3_emac.dtsi
+++ b/dts/src/arm/sama5d3_emac.dtsi
@@ -1,10 +1,9 @@
+// SPDX-License-Identifier: GPL-2.0-only
 /*
  * sama5d3_emac.dtsi - Device Tree Include file for SAMA5D3 SoC with
  * Ethernet.
  *
  * Copyright (C) 2013 Boris BREZILLON <b.brezillon@overkiz.com>
- *
- * Licensed under GPLv2.
  */
 
 #include <dt-bindings/pinctrl/at91.h>
diff --git a/dts/src/arm/sama5d3_gmac.dtsi b/dts/src/arm/sama5d3_gmac.dtsi
index 23f225f..3667765 100644
--- a/dts/src/arm/sama5d3_gmac.dtsi
+++ b/dts/src/arm/sama5d3_gmac.dtsi
@@ -1,10 +1,9 @@
+// SPDX-License-Identifier: GPL-2.0-only
 /*
  * sama5d3_gmac.dtsi - Device Tree Include file for SAMA5D3 SoC with
  * Gigabit Ethernet.
  *
  * Copyright (C) 2013 Boris BREZILLON <b.brezillon@overkiz.com>
- *
- * Licensed under GPLv2.
  */
 
 #include <dt-bindings/pinctrl/at91.h>
diff --git a/dts/src/arm/sama5d3_lcd.dtsi b/dts/src/arm/sama5d3_lcd.dtsi
index be7cfef..2cf046c 100644
--- a/dts/src/arm/sama5d3_lcd.dtsi
+++ b/dts/src/arm/sama5d3_lcd.dtsi
@@ -1,10 +1,9 @@
+// SPDX-License-Identifier: GPL-2.0-only
 /*
  * sama5d3_lcd.dtsi - Device Tree Include file for SAMA5D3 SoC with
  * LCD support
  *
  * Copyright (C) 2013 Boris BREZILLON <b.brezillon@overkiz.com>
- *
- * Licensed under GPLv2.
  */
 
 #include <dt-bindings/pinctrl/at91.h>
diff --git a/dts/src/arm/sama5d3_mci2.dtsi b/dts/src/arm/sama5d3_mci2.dtsi
index e21099a..3c83c1c 100644
--- a/dts/src/arm/sama5d3_mci2.dtsi
+++ b/dts/src/arm/sama5d3_mci2.dtsi
@@ -1,10 +1,9 @@
+// SPDX-License-Identifier: GPL-2.0-only
 /*
  * sama5d3_mci2.dtsi - Device Tree Include file for SAMA5D3 SoC with
  * 3 MMC ports
  *
  * Copyright (C) 2013 Boris BREZILLON <b.brezillon@overkiz.com>
- *
- * Licensed under GPLv2.
  */
 
 #include <dt-bindings/pinctrl/at91.h>
diff --git a/dts/src/arm/sama5d3_tcb1.dtsi b/dts/src/arm/sama5d3_tcb1.dtsi
index cb30bdb..1584035 100644
--- a/dts/src/arm/sama5d3_tcb1.dtsi
+++ b/dts/src/arm/sama5d3_tcb1.dtsi
@@ -1,10 +1,9 @@
+// SPDX-License-Identifier: GPL-2.0-only
 /*
  * sama5d3_tcb1.dtsi - Device Tree Include file for SAMA5D3 SoC with
  * 2 TC blocks.
  *
  * Copyright (C) 2013 Boris BREZILLON <b.brezillon@overkiz.com>
- *
- * Licensed under GPLv2.
  */
 
 #include <dt-bindings/pinctrl/at91.h>
diff --git a/dts/src/arm/sama5d3_uart.dtsi b/dts/src/arm/sama5d3_uart.dtsi
index f599f8a..4316bdb 100644
--- a/dts/src/arm/sama5d3_uart.dtsi
+++ b/dts/src/arm/sama5d3_uart.dtsi
@@ -1,10 +1,9 @@
+// SPDX-License-Identifier: GPL-2.0-only
 /*
  * sama5d3_uart.dtsi - Device Tree Include file for SAMA5D3 SoC with
  * UART support
  *
  * Copyright (C) 2013 Boris BREZILLON <b.brezillon@overkiz.com>
- *
- * Licensed under GPLv2.
  */
 
 #include <dt-bindings/pinctrl/at91.h>
diff --git a/dts/src/arm/spear1310-evb.dts b/dts/src/arm/spear1310-evb.dts
index 0f5f379..8fcb6be 100644
--- a/dts/src/arm/spear1310-evb.dts
+++ b/dts/src/arm/spear1310-evb.dts
@@ -1,14 +1,8 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
 /*
  * DTS file for SPEAr1310 Evaluation Baord
  *
  * Copyright 2012 Viresh Kumar <vireshk@kernel.org>
- *
- * The code contained herein is licensed under the GNU General Public
- * License. You may obtain a copy of the GNU General Public License
- * Version 2 or later at the following locations:
- *
- * http://www.opensource.org/licenses/gpl-license.html
- * http://www.gnu.org/copyleft/gpl.html
  */
 
 /dts-v1/;
diff --git a/dts/src/arm/spear1310.dtsi b/dts/src/arm/spear1310.dtsi
index 40f4ad3c..c4b49ba 100644
--- a/dts/src/arm/spear1310.dtsi
+++ b/dts/src/arm/spear1310.dtsi
@@ -1,14 +1,8 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
 /*
  * DTS file for all SPEAr1310 SoCs
  *
  * Copyright 2012 Viresh Kumar <vireshk@kernel.org>
- *
- * The code contained herein is licensed under the GNU General Public
- * License. You may obtain a copy of the GNU General Public License
- * Version 2 or later at the following locations:
- *
- * http://www.opensource.org/licenses/gpl-license.html
- * http://www.gnu.org/copyleft/gpl.html
  */
 
 /include/ "spear13xx.dtsi"
diff --git a/dts/src/arm/spear1340-evb.dts b/dts/src/arm/spear1340-evb.dts
index 6565f3c..f70ff56 100644
--- a/dts/src/arm/spear1340-evb.dts
+++ b/dts/src/arm/spear1340-evb.dts
@@ -1,14 +1,8 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
 /*
  * DTS file for SPEAr1340 Evaluation Baord
  *
  * Copyright 2012 Viresh Kumar <vireshk@kernel.org>
- *
- * The code contained herein is licensed under the GNU General Public
- * License. You may obtain a copy of the GNU General Public License
- * Version 2 or later at the following locations:
- *
- * http://www.opensource.org/licenses/gpl-license.html
- * http://www.gnu.org/copyleft/gpl.html
  */
 
 /dts-v1/;
diff --git a/dts/src/arm/spear1340.dtsi b/dts/src/arm/spear1340.dtsi
index d4dbc40..1a8f5e8 100644
--- a/dts/src/arm/spear1340.dtsi
+++ b/dts/src/arm/spear1340.dtsi
@@ -1,14 +1,8 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
 /*
  * DTS file for all SPEAr1340 SoCs
  *
  * Copyright 2012 Viresh Kumar <vireshk@kernel.org>
- *
- * The code contained herein is licensed under the GNU General Public
- * License. You may obtain a copy of the GNU General Public License
- * Version 2 or later at the following locations:
- *
- * http://www.opensource.org/licenses/gpl-license.html
- * http://www.gnu.org/copyleft/gpl.html
  */
 
 /include/ "spear13xx.dtsi"
diff --git a/dts/src/arm/spear13xx.dtsi b/dts/src/arm/spear13xx.dtsi
index 390df64..f187da4 100644
--- a/dts/src/arm/spear13xx.dtsi
+++ b/dts/src/arm/spear13xx.dtsi
@@ -1,14 +1,8 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
 /*
  * DTS file for all SPEAr13xx SoCs
  *
  * Copyright 2012 Viresh Kumar <vireshk@kernel.org>
- *
- * The code contained herein is licensed under the GNU General Public
- * License. You may obtain a copy of the GNU General Public License
- * Version 2 or later at the following locations:
- *
- * http://www.opensource.org/licenses/gpl-license.html
- * http://www.gnu.org/copyleft/gpl.html
  */
 
 / {
diff --git a/dts/src/arm/spear300-evb.dts b/dts/src/arm/spear300-evb.dts
index e859e82..2beb30c 100644
--- a/dts/src/arm/spear300-evb.dts
+++ b/dts/src/arm/spear300-evb.dts
@@ -1,14 +1,8 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
 /*
  * DTS file for SPEAr300 Evaluation Baord
  *
  * Copyright 2012 Viresh Kumar <vireshk@kernel.org>
- *
- * The code contained herein is licensed under the GNU General Public
- * License. You may obtain a copy of the GNU General Public License
- * Version 2 or later at the following locations:
- *
- * http://www.opensource.org/licenses/gpl-license.html
- * http://www.gnu.org/copyleft/gpl.html
  */
 
 /dts-v1/;
diff --git a/dts/src/arm/spear300.dtsi b/dts/src/arm/spear300.dtsi
index f4e92e5..b39bd5a 100644
--- a/dts/src/arm/spear300.dtsi
+++ b/dts/src/arm/spear300.dtsi
@@ -1,14 +1,8 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
 /*
  * DTS file for SPEAr300 SoC
  *
  * Copyright 2012 Viresh Kumar <vireshk@kernel.org>
- *
- * The code contained herein is licensed under the GNU General Public
- * License. You may obtain a copy of the GNU General Public License
- * Version 2 or later at the following locations:
- *
- * http://www.opensource.org/licenses/gpl-license.html
- * http://www.gnu.org/copyleft/gpl.html
  */
 
 /include/ "spear3xx.dtsi"
diff --git a/dts/src/arm/spear310-evb.dts b/dts/src/arm/spear310-evb.dts
index 070f2c1..1c41e4a 100644
--- a/dts/src/arm/spear310-evb.dts
+++ b/dts/src/arm/spear310-evb.dts
@@ -1,14 +1,8 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
 /*
  * DTS file for SPEAr310 Evaluation Baord
  *
  * Copyright 2012 Viresh Kumar <vireshk@kernel.org>
- *
- * The code contained herein is licensed under the GNU General Public
- * License. You may obtain a copy of the GNU General Public License
- * Version 2 or later at the following locations:
- *
- * http://www.opensource.org/licenses/gpl-license.html
- * http://www.gnu.org/copyleft/gpl.html
  */
 
 /dts-v1/;
diff --git a/dts/src/arm/spear310.dtsi b/dts/src/arm/spear310.dtsi
index da210b4..8ce751a 100644
--- a/dts/src/arm/spear310.dtsi
+++ b/dts/src/arm/spear310.dtsi
@@ -1,14 +1,8 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
 /*
  * DTS file for SPEAr310 SoC
  *
  * Copyright 2012 Viresh Kumar <vireshk@kernel.org>
- *
- * The code contained herein is licensed under the GNU General Public
- * License. You may obtain a copy of the GNU General Public License
- * Version 2 or later at the following locations:
- *
- * http://www.opensource.org/licenses/gpl-license.html
- * http://www.gnu.org/copyleft/gpl.html
  */
 
 /include/ "spear3xx.dtsi"
diff --git a/dts/src/arm/spear320-evb.dts b/dts/src/arm/spear320-evb.dts
index 1b10344..c322407 100644
--- a/dts/src/arm/spear320-evb.dts
+++ b/dts/src/arm/spear320-evb.dts
@@ -1,14 +1,8 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
 /*
  * DTS file for SPEAr320 Evaluation Baord
  *
  * Copyright 2012 Viresh Kumar <vireshk@kernel.org>
- *
- * The code contained herein is licensed under the GNU General Public
- * License. You may obtain a copy of the GNU General Public License
- * Version 2 or later at the following locations:
- *
- * http://www.opensource.org/licenses/gpl-license.html
- * http://www.gnu.org/copyleft/gpl.html
  */
 
 /dts-v1/;
diff --git a/dts/src/arm/spear320-hmi.dts b/dts/src/arm/spear320-hmi.dts
index 0d0da1f..367ba48 100644
--- a/dts/src/arm/spear320-hmi.dts
+++ b/dts/src/arm/spear320-hmi.dts
@@ -1,14 +1,8 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
 /*
  * DTS file for SPEAr320 Evaluation Baord
  *
  * Copyright 2012 Shiraz Hashim <shiraz.linux.kernel@gmail.com>
- *
- * The code contained herein is licensed under the GNU General Public
- * License. You may obtain a copy of the GNU General Public License
- * Version 2 or later at the following locations:
- *
- * http://www.opensource.org/licenses/gpl-license.html
- * http://www.gnu.org/copyleft/gpl.html
  */
 
 /dts-v1/;
diff --git a/dts/src/arm/spear320.dtsi b/dts/src/arm/spear320.dtsi
index 22be6e5..3bc1e93 100644
--- a/dts/src/arm/spear320.dtsi
+++ b/dts/src/arm/spear320.dtsi
@@ -1,14 +1,8 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
 /*
  * DTS file for SPEAr320 SoC
  *
  * Copyright 2012 Viresh Kumar <vireshk@kernel.org>
- *
- * The code contained herein is licensed under the GNU General Public
- * License. You may obtain a copy of the GNU General Public License
- * Version 2 or later at the following locations:
- *
- * http://www.opensource.org/licenses/gpl-license.html
- * http://www.gnu.org/copyleft/gpl.html
  */
 
 /include/ "spear3xx.dtsi"
diff --git a/dts/src/arm/spear3xx.dtsi b/dts/src/arm/spear3xx.dtsi
index c473807..f266b7b 100644
--- a/dts/src/arm/spear3xx.dtsi
+++ b/dts/src/arm/spear3xx.dtsi
@@ -1,14 +1,8 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
 /*
  * DTS file for all SPEAr3xx SoCs
  *
  * Copyright 2012 Viresh Kumar <vireshk@kernel.org>
- *
- * The code contained herein is licensed under the GNU General Public
- * License. You may obtain a copy of the GNU General Public License
- * Version 2 or later at the following locations:
- *
- * http://www.opensource.org/licenses/gpl-license.html
- * http://www.gnu.org/copyleft/gpl.html
  */
 
 / {
diff --git a/dts/src/arm/spear600-evb.dts b/dts/src/arm/spear600-evb.dts
index c67e76c..a25b86d 100644
--- a/dts/src/arm/spear600-evb.dts
+++ b/dts/src/arm/spear600-evb.dts
@@ -1,12 +1,6 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
 /*
  * Copyright 2012 Stefan Roese <sr@denx.de>
- *
- * The code contained herein is licensed under the GNU General Public
- * License. You may obtain a copy of the GNU General Public License
- * Version 2 or later at the following locations:
- *
- * http://www.opensource.org/licenses/gpl-license.html
- * http://www.gnu.org/copyleft/gpl.html
  */
 
 /dts-v1/;
diff --git a/dts/src/arm/spear600.dtsi b/dts/src/arm/spear600.dtsi
index 0a634fb..fd41243 100644
--- a/dts/src/arm/spear600.dtsi
+++ b/dts/src/arm/spear600.dtsi
@@ -1,12 +1,6 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
 /*
  * Copyright 2012 Stefan Roese <sr@denx.de>
- *
- * The code contained herein is licensed under the GNU General Public
- * License. You may obtain a copy of the GNU General Public License
- * Version 2 or later at the following locations:
- *
- * http://www.opensource.org/licenses/gpl-license.html
- * http://www.gnu.org/copyleft/gpl.html
  */
 
 / {
diff --git a/dts/src/arm/ste-dbx5x0.dtsi b/dts/src/arm/ste-dbx5x0.dtsi
index 81fabf0..b1a3113 100644
--- a/dts/src/arm/ste-dbx5x0.dtsi
+++ b/dts/src/arm/ste-dbx5x0.dtsi
@@ -1,12 +1,6 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
 /*
  * Copyright 2012 Linaro Ltd
- *
- * The code contained herein is licensed under the GNU General Public
- * License. You may obtain a copy of the GNU General Public License
- * Version 2 or later at the following locations:
- *
- * http://www.opensource.org/licenses/gpl-license.html
- * http://www.gnu.org/copyleft/gpl.html
  */
 
 #include <dt-bindings/interrupt-controller/irq.h>
diff --git a/dts/src/arm/ste-href-ab8500.dtsi b/dts/src/arm/ste-href-ab8500.dtsi
index 9b69bce..8e3e947 100644
--- a/dts/src/arm/ste-href-ab8500.dtsi
+++ b/dts/src/arm/ste-href-ab8500.dtsi
@@ -1,12 +1,6 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
 /*
  * Copyright 2014 Linaro Ltd.
- *
- * The code contained herein is licensed under the GNU General Public
- * License. You may obtain a copy of the GNU General Public License
- * Version 2 or later at the following locations:
- *
- * http://www.opensource.org/licenses/gpl-license.html
- * http://www.gnu.org/copyleft/gpl.html
  */
 
 / {
diff --git a/dts/src/arm/ste-href-ab8505.dtsi b/dts/src/arm/ste-href-ab8505.dtsi
index ccf37a9..95cf38a 100644
--- a/dts/src/arm/ste-href-ab8505.dtsi
+++ b/dts/src/arm/ste-href-ab8505.dtsi
@@ -1,12 +1,6 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
 /*
  * Copyright 2014 Linaro Ltd.
- *
- * The code contained herein is licensed under the GNU General Public
- * License. You may obtain a copy of the GNU General Public License
- * Version 2 or later at the following locations:
- *
- * http://www.opensource.org/licenses/gpl-license.html
- * http://www.gnu.org/copyleft/gpl.html
  */
 
 / {
diff --git a/dts/src/arm/ste-href-family-pinctrl.dtsi b/dts/src/arm/ste-href-family-pinctrl.dtsi
index 1ec193b..8662119 100644
--- a/dts/src/arm/ste-href-family-pinctrl.dtsi
+++ b/dts/src/arm/ste-href-family-pinctrl.dtsi
@@ -1,12 +1,6 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
 /*
  * Copyright 2013 Linaro Ltd.
- *
- * The code contained herein is licensed under the GNU General Public
- * License. You may obtain a copy of the GNU General Public License
- * Version 2 or later at the following locations:
- *
- * http://www.opensource.org/licenses/gpl-license.html
- * http://www.gnu.org/copyleft/gpl.html
  */
 
 #include "ste-nomadik-pinctrl.dtsi"
diff --git a/dts/src/arm/ste-href-stuib.dtsi b/dts/src/arm/ste-href-stuib.dtsi
index eeaea21..b17998f 100644
--- a/dts/src/arm/ste-href-stuib.dtsi
+++ b/dts/src/arm/ste-href-stuib.dtsi
@@ -1,12 +1,6 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
 /*
  * Copyright 2012 ST-Ericsson AB
- *
- * The code contained herein is licensed under the GNU General Public
- * License. You may obtain a copy of the GNU General Public License
- * Version 2 or later at the following locations:
- *
- * http://www.opensource.org/licenses/gpl-license.html
- * http://www.gnu.org/copyleft/gpl.html
  */
 
 #include <dt-bindings/interrupt-controller/irq.h>
diff --git a/dts/src/arm/ste-href-tvk1281618.dtsi b/dts/src/arm/ste-href-tvk1281618.dtsi
index 7686844..3bafd26 100644
--- a/dts/src/arm/ste-href-tvk1281618.dtsi
+++ b/dts/src/arm/ste-href-tvk1281618.dtsi
@@ -1,13 +1,7 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
 /*
  * Copyright 2012 ST-Ericsson AB
  *
- * The code contained herein is licensed under the GNU General Public
- * License. You may obtain a copy of the GNU General Public License
- * Version 2 or later at the following locations:
- *
- * http://www.opensource.org/licenses/gpl-license.html
- * http://www.gnu.org/copyleft/gpl.html
- *
  * Device Tree for the TVK1281618 UIB
  */
 
diff --git a/dts/src/arm/ste-href.dtsi b/dts/src/arm/ste-href.dtsi
index feb682a..6422c53 100644
--- a/dts/src/arm/ste-href.dtsi
+++ b/dts/src/arm/ste-href.dtsi
@@ -1,12 +1,6 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
 /*
  * Copyright 2012 ST-Ericsson AB
- *
- * The code contained herein is licensed under the GNU General Public
- * License. You may obtain a copy of the GNU General Public License
- * Version 2 or later at the following locations:
- *
- * http://www.opensource.org/licenses/gpl-license.html
- * http://www.gnu.org/copyleft/gpl.html
  */
 
 #include <dt-bindings/interrupt-controller/irq.h>
diff --git a/dts/src/arm/ste-hrefprev60-stuib.dts b/dts/src/arm/ste-hrefprev60-stuib.dts
index 18e9795..aed940b 100644
--- a/dts/src/arm/ste-hrefprev60-stuib.dts
+++ b/dts/src/arm/ste-hrefprev60-stuib.dts
@@ -1,12 +1,6 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
 /*
  * Copyright 2012 ST-Ericsson AB
- *
- * The code contained herein is licensed under the GNU General Public
- * License. You may obtain a copy of the GNU General Public License
- * Version 2 or later at the following locations:
- *
- * http://www.opensource.org/licenses/gpl-license.html
- * http://www.gnu.org/copyleft/gpl.html
  */
 
 /dts-v1/;
diff --git a/dts/src/arm/ste-hrefprev60-tvk.dts b/dts/src/arm/ste-hrefprev60-tvk.dts
index 2473991..60eed26 100644
--- a/dts/src/arm/ste-hrefprev60-tvk.dts
+++ b/dts/src/arm/ste-hrefprev60-tvk.dts
@@ -1,12 +1,6 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
 /*
  * Copyright 2012 ST-Ericsson AB
- *
- * The code contained herein is licensed under the GNU General Public
- * License. You may obtain a copy of the GNU General Public License
- * Version 2 or later at the following locations:
- *
- * http://www.opensource.org/licenses/gpl-license.html
- * http://www.gnu.org/copyleft/gpl.html
  */
 
 /dts-v1/;
diff --git a/dts/src/arm/ste-hrefprev60.dtsi b/dts/src/arm/ste-hrefprev60.dtsi
index 94eeb7f..a036def 100644
--- a/dts/src/arm/ste-hrefprev60.dtsi
+++ b/dts/src/arm/ste-hrefprev60.dtsi
@@ -1,13 +1,7 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
 /*
  * Copyright 2012 ST-Ericsson AB
  *
- * The code contained herein is licensed under the GNU General Public
- * License. You may obtain a copy of the GNU General Public License
- * Version 2 or later at the following locations:
- *
- * http://www.opensource.org/licenses/gpl-license.html
- * http://www.gnu.org/copyleft/gpl.html
- *
  * Device Tree for the HREF+ prior to the v60 variant.
  */
 
diff --git a/dts/src/arm/ste-hrefv60plus-stuib.dts b/dts/src/arm/ste-hrefv60plus-stuib.dts
index c2e1ba0..0f3c3b8 100644
--- a/dts/src/arm/ste-hrefv60plus-stuib.dts
+++ b/dts/src/arm/ste-hrefv60plus-stuib.dts
@@ -1,13 +1,7 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
 /*
  * Copyright 2012 ST-Ericsson AB
  *
- * The code contained herein is licensed under the GNU General Public
- * License. You may obtain a copy of the GNU General Public License
- * Version 2 or later at the following locations:
- *
- * http://www.opensource.org/licenses/gpl-license.html
- * http://www.gnu.org/copyleft/gpl.html
- *
  * Device Tree for the HREF version 60 or later with the ST UIB
  */
 
diff --git a/dts/src/arm/ste-hrefv60plus-tvk.dts b/dts/src/arm/ste-hrefv60plus-tvk.dts
index ebd8547..73ea310 100644
--- a/dts/src/arm/ste-hrefv60plus-tvk.dts
+++ b/dts/src/arm/ste-hrefv60plus-tvk.dts
@@ -1,13 +1,7 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
 /*
  * Copyright 2012 ST-Ericsson AB
  *
- * The code contained herein is licensed under the GNU General Public
- * License. You may obtain a copy of the GNU General Public License
- * Version 2 or later at the following locations:
- *
- * http://www.opensource.org/licenses/gpl-license.html
- * http://www.gnu.org/copyleft/gpl.html
- *
  * Device Tree for the HREF version 60 or later with the TVK1281618 UIB
  */
 
diff --git a/dts/src/arm/ste-hrefv60plus.dtsi b/dts/src/arm/ste-hrefv60plus.dtsi
index bf259bb..aece8eb 100644
--- a/dts/src/arm/ste-hrefv60plus.dtsi
+++ b/dts/src/arm/ste-hrefv60plus.dtsi
@@ -1,12 +1,6 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
 /*
  * Copyright 2012 ST-Ericsson AB
- *
- * The code contained herein is licensed under the GNU General Public
- * License. You may obtain a copy of the GNU General Public License
- * Version 2 or later at the following locations:
- *
- * http://www.opensource.org/licenses/gpl-license.html
- * http://www.gnu.org/copyleft/gpl.html
  */
 
 #include "ste-dbx5x0.dtsi"
diff --git a/dts/src/arm/ste-nomadik-pinctrl.dtsi b/dts/src/arm/ste-nomadik-pinctrl.dtsi
index e6f22b2..5673a11 100644
--- a/dts/src/arm/ste-nomadik-pinctrl.dtsi
+++ b/dts/src/arm/ste-nomadik-pinctrl.dtsi
@@ -1,12 +1,6 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
 /*
  * Copyright 2012 ST-Ericsson
- *
- * The code contained herein is licensed under the GNU General Public
- * License. You may obtain a copy of the GNU General Public License
- * Version 2 or later at the following locations:
- *
- * http://www.opensource.org/licenses/gpl-license.html
- * http://www.gnu.org/copyleft/gpl.html
  */
 #include <dt-bindings/pinctrl/nomadik.h>
 
diff --git a/dts/src/arm/ste-snowball.dts b/dts/src/arm/ste-snowball.dts
index 2de3ce7..3428290 100644
--- a/dts/src/arm/ste-snowball.dts
+++ b/dts/src/arm/ste-snowball.dts
@@ -1,12 +1,6 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
 /*
  * Copyright 2011 ST-Ericsson AB
- *
- * The code contained herein is licensed under the GNU General Public
- * License. You may obtain a copy of the GNU General Public License
- * Version 2 or later at the following locations:
- *
- * http://www.opensource.org/licenses/gpl-license.html
- * http://www.gnu.org/copyleft/gpl.html
  */
 
 /dts-v1/;
diff --git a/dts/src/arm/tny_a9260.dts b/dts/src/arm/tny_a9260.dts
index dabe232..ef6d586 100644
--- a/dts/src/arm/tny_a9260.dts
+++ b/dts/src/arm/tny_a9260.dts
@@ -1,9 +1,8 @@
+// SPDX-License-Identifier: GPL-2.0-only
 /*
  * tny_a9260.dts - Device Tree file for Caloa TNY A9260 board
  *
  * Copyright (C) 2012 Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>
- *
- * Licensed under GPLv2.
  */
 /dts-v1/;
 #include "at91sam9260.dtsi"
diff --git a/dts/src/arm/tny_a9260_common.dtsi b/dts/src/arm/tny_a9260_common.dtsi
index 8e3cf51..dd6957b 100644
--- a/dts/src/arm/tny_a9260_common.dtsi
+++ b/dts/src/arm/tny_a9260_common.dtsi
@@ -1,9 +1,8 @@
+// SPDX-License-Identifier: GPL-2.0-only
 /*
  * tny_a9260_common.dtsi - Device Tree file for Caloa TNY A926x board
  *
  * Copyright (C) 2012 Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>
- *
- * Licensed under GPLv2.
  */
 
 / {
diff --git a/dts/src/arm/tny_a9263.dts b/dts/src/arm/tny_a9263.dts
index 7b403db..2820635 100644
--- a/dts/src/arm/tny_a9263.dts
+++ b/dts/src/arm/tny_a9263.dts
@@ -1,9 +1,8 @@
+// SPDX-License-Identifier: GPL-2.0-only
 /*
  * usb_a9263.dts - Device Tree file for Caloa USB A9293 board
  *
  *  Copyright (C) 2012 Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>
- *
- * Licensed under GPLv2 only
  */
 /dts-v1/;
 #include "at91sam9263.dtsi"
diff --git a/dts/src/arm/tny_a9g20.dts b/dts/src/arm/tny_a9g20.dts
index 8456d70..118d766 100644
--- a/dts/src/arm/tny_a9g20.dts
+++ b/dts/src/arm/tny_a9g20.dts
@@ -1,9 +1,8 @@
+// SPDX-License-Identifier: GPL-2.0-only
 /*
  * tny_a9g20.dts - Device Tree file for Caloa TNY A9G20 board
  *
  * Copyright (C) 2012 Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>
- *
- * Licensed under GPLv2.
  */
 /dts-v1/;
 #include "at91sam9g20.dtsi"
diff --git a/dts/src/arm/usb_a9263.dts b/dts/src/arm/usb_a9263.dts
index 0a753b4..e7a705f 100644
--- a/dts/src/arm/usb_a9263.dts
+++ b/dts/src/arm/usb_a9263.dts
@@ -1,9 +1,8 @@
+// SPDX-License-Identifier: GPL-2.0-only
 /*
  * usb_a9263.dts - Device Tree file for Caloa USB A9293 board
  *
  *  Copyright (C) 2012 Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>
- *
- * Licensed under GPLv2 only
  */
 /dts-v1/;
 #include "at91sam9263.dtsi"
diff --git a/dts/src/arm/usb_a9g20-dab-mmx.dtsi b/dts/src/arm/usb_a9g20-dab-mmx.dtsi
index 5b0ffc1..08d5808 100644
--- a/dts/src/arm/usb_a9g20-dab-mmx.dtsi
+++ b/dts/src/arm/usb_a9g20-dab-mmx.dtsi
@@ -1,9 +1,8 @@
+// SPDX-License-Identifier: GPL-2.0-only
 /*
  * calao-dab-mmx.dtsi - Device Tree Include file for Calao DAB-MMX Daughter Board
  *
  * Copyright (C) 2011 Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>
- *
- * Licensed under GPLv2.
  */
 
 / {
diff --git a/dts/src/arm/vf610-cosmic.dts b/dts/src/arm/vf610-cosmic.dts
index ea1b996..703f375 100644
--- a/dts/src/arm/vf610-cosmic.dts
+++ b/dts/src/arm/vf610-cosmic.dts
@@ -1,11 +1,7 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
 /*
  * Copyright 2013 Freescale Semiconductor, Inc.
  * Copyright 2013 Linaro Limited
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
  */
 
 /dts-v1/;
diff --git a/dts/src/arm64/altera/socfpga_stratix10.dtsi b/dts/src/arm64/altera/socfpga_stratix10.dtsi
index fe107ce..470dcfd 100644
--- a/dts/src/arm64/altera/socfpga_stratix10.dtsi
+++ b/dts/src/arm64/altera/socfpga_stratix10.dtsi
@@ -1,17 +1,6 @@
+// SPDX-License-Identifier: GPL-2.0-only
 /*
  * Copyright Altera Corporation (C) 2015. All rights reserved.
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms and conditions of the GNU General Public License,
- * version 2, as published by the Free Software Foundation.
- *
- * This program is distributed in the hope it will be useful, but WITHOUT
- * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
- * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
- * more details.
- *
- * You should have received a copy of the GNU General Public License along with
- * this program.  If not, see <http://www.gnu.org/licenses/>.
  */
 
 /dts-v1/;
diff --git a/dts/src/arm64/altera/socfpga_stratix10_socdk.dts b/dts/src/arm64/altera/socfpga_stratix10_socdk.dts
index d037563..84f9f59 100644
--- a/dts/src/arm64/altera/socfpga_stratix10_socdk.dts
+++ b/dts/src/arm64/altera/socfpga_stratix10_socdk.dts
@@ -1,17 +1,6 @@
+// SPDX-License-Identifier: GPL-2.0-only
 /*
  * Copyright Altera Corporation (C) 2015. All rights reserved.
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms and conditions of the GNU General Public License,
- * version 2, as published by the Free Software Foundation.
- *
- * This program is distributed in the hope it will be useful, but WITHOUT
- * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
- * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
- * more details.
- *
- * You should have received a copy of the GNU General Public License along with
- * this program.  If not, see <http://www.gnu.org/licenses/>.
  */
 
 #include "socfpga_stratix10.dtsi"
diff --git a/dts/src/arm64/apm/apm-merlin.dts b/dts/src/arm64/apm/apm-merlin.dts
index b0f6441..217d772 100644
--- a/dts/src/arm64/apm/apm-merlin.dts
+++ b/dts/src/arm64/apm/apm-merlin.dts
@@ -1,12 +1,8 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
 /*
  * dts file for AppliedMicro (APM) Merlin Board
  *
  * Copyright (C) 2015, Applied Micro Circuits Corporation
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License as
- * published by the Free Software Foundation; either version 2 of
- * the License, or (at your option) any later version.
  */
 
 /dts-v1/;
diff --git a/dts/src/arm64/apm/apm-mustang.dts b/dts/src/arm64/apm/apm-mustang.dts
index 32a961c..e927811 100644
--- a/dts/src/arm64/apm/apm-mustang.dts
+++ b/dts/src/arm64/apm/apm-mustang.dts
@@ -1,12 +1,8 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
 /*
  * dts file for AppliedMicro (APM) Mustang Board
  *
  * Copyright (C) 2013, Applied Micro Circuits Corporation
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License as
- * published by the Free Software Foundation; either version 2 of
- * the License, or (at your option) any later version.
  */
 
 /dts-v1/;
diff --git a/dts/src/arm64/apm/apm-shadowcat.dtsi b/dts/src/arm64/apm/apm-shadowcat.dtsi
index 7faea28..3feb188 100644
--- a/dts/src/arm64/apm/apm-shadowcat.dtsi
+++ b/dts/src/arm64/apm/apm-shadowcat.dtsi
@@ -1,12 +1,8 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
 /*
  * dts file for AppliedMicro (APM) X-Gene Shadowcat SOC
  *
  * Copyright (C) 2015, Applied Micro Circuits Corporation
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License as
- * published by the Free Software Foundation; either version 2 of
- * the License, or (at your option) any later version.
  */
 
 / {
diff --git a/dts/src/arm64/apm/apm-storm.dtsi b/dts/src/arm64/apm/apm-storm.dtsi
index 94d637d..8c802d8 100644
--- a/dts/src/arm64/apm/apm-storm.dtsi
+++ b/dts/src/arm64/apm/apm-storm.dtsi
@@ -1,12 +1,8 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
 /*
  * dts file for AppliedMicro (APM) X-Gene Storm SOC
  *
  * Copyright (C) 2013, Applied Micro Circuits Corporation
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License as
- * published by the Free Software Foundation; either version 2 of
- * the License, or (at your option) any later version.
  */
 
 / {
diff --git a/dts/src/arm64/cavium/thunder2-99xx.dts b/dts/src/arm64/cavium/thunder2-99xx.dts
index 6c6fb86..d005e1e 100644
--- a/dts/src/arm64/cavium/thunder2-99xx.dts
+++ b/dts/src/arm64/cavium/thunder2-99xx.dts
@@ -1,13 +1,9 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
 /*
  * dts file for Cavium ThunderX2 CN99XX Evaluation Platform
  *
  * Copyright (c) 2017 Cavium Inc.
  * Copyright (c) 2013-2016 Broadcom
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License as
- * published by the Free Software Foundation; either version 2 of
- * the License, or (at your option) any later version.
  */
 
 /dts-v1/;
diff --git a/dts/src/arm64/cavium/thunder2-99xx.dtsi b/dts/src/arm64/cavium/thunder2-99xx.dtsi
index 0b7c935..dfb4170 100644
--- a/dts/src/arm64/cavium/thunder2-99xx.dtsi
+++ b/dts/src/arm64/cavium/thunder2-99xx.dtsi
@@ -1,14 +1,10 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
 /*
  * dtsi file for Cavium ThunderX2 CN99XX processor
  *
  * Copyright (c) 2017 Cavium Inc.
  * Copyright (c) 2013-2016 Broadcom
  * Author: Zi Shen Lim <zlim@broadcom.com>
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License as
- * published by the Free Software Foundation; either version 2 of
- * the License, or (at your option) any later version.
  */
 
 #include <dt-bindings/interrupt-controller/arm-gic.h>
diff --git a/dts/src/arm64/mediatek/mt6755-evb.dts b/dts/src/arm64/mediatek/mt6755-evb.dts
index c568d49..e079b79 100644
--- a/dts/src/arm64/mediatek/mt6755-evb.dts
+++ b/dts/src/arm64/mediatek/mt6755-evb.dts
@@ -1,15 +1,7 @@
+// SPDX-License-Identifier: GPL-2.0-only
 /*
  * Copyright (c) 2016 MediaTek Inc.
  * Author: Mars.C <mars.cheng@mediatek.com>
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
  */
 
 /dts-v1/;
diff --git a/dts/src/arm64/mediatek/mt6795-evb.dts b/dts/src/arm64/mediatek/mt6795-evb.dts
index ad665f5..1ed2f81 100644
--- a/dts/src/arm64/mediatek/mt6795-evb.dts
+++ b/dts/src/arm64/mediatek/mt6795-evb.dts
@@ -1,15 +1,7 @@
+// SPDX-License-Identifier: GPL-2.0-only
 /*
  * Copyright (c) 2015 MediaTek Inc.
  * Author: Mars.C <mars.cheng@mediatek.com>
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
  */
 
 /dts-v1/;
diff --git a/dts/src/arm64/mediatek/mt6797-evb.dts b/dts/src/arm64/mediatek/mt6797-evb.dts
index 237e869..2327e75 100644
--- a/dts/src/arm64/mediatek/mt6797-evb.dts
+++ b/dts/src/arm64/mediatek/mt6797-evb.dts
@@ -1,15 +1,7 @@
+// SPDX-License-Identifier: GPL-2.0-only
 /*
  * Copyright (c) 2017 MediaTek Inc.
  * Author: Mars.C <mars.cheng@mediatek.com>
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
  */
 
 /dts-v1/;
diff --git a/dts/src/arm64/mediatek/mt8173-evb.dts b/dts/src/arm64/mediatek/mt8173-evb.dts
index 8e6ada2..6dffada 100644
--- a/dts/src/arm64/mediatek/mt8173-evb.dts
+++ b/dts/src/arm64/mediatek/mt8173-evb.dts
@@ -1,15 +1,7 @@
+// SPDX-License-Identifier: GPL-2.0-only
 /*
  * Copyright (c) 2014 MediaTek Inc.
  * Author: Eddie Huang <eddie.huang@mediatek.com>
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
  */
 
 /dts-v1/;
diff --git a/dts/src/arm64/mediatek/mt8173-pinfunc.h b/dts/src/arm64/mediatek/mt8173-pinfunc.h
index d2f3809..a5e308d 100644
--- a/dts/src/arm64/mediatek/mt8173-pinfunc.h
+++ b/dts/src/arm64/mediatek/mt8173-pinfunc.h
@@ -1,15 +1,7 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
 /*
  * Copyright (c) 2014 MediaTek Inc.
  * Author: Hongzhou.Yang <hongzhou.yang@mediatek.com>
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
  */
 
 #ifndef __DTS_MT8173_PINFUNC_H
diff --git a/dts/src/c6x/dsk6455.dts b/dts/src/c6x/dsk6455.dts
index 2b71f80..fa904f2 100644
--- a/dts/src/c6x/dsk6455.dts
+++ b/dts/src/c6x/dsk6455.dts
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
 /*
  * arch/c6x/boot/dts/dsk6455.dts
  *
@@ -5,12 +6,6 @@
  * Copyright (C) 2011 Texas Instruments Incorporated
  *
  * Author: Mark Salter <msalter@redhat.com>
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License
- * as published by the Free Software Foundation; either version 2
- * of the License, or (at your option) any later version.
- *
  */
 
 /dts-v1/;
diff --git a/dts/src/c6x/evmc6457.dts b/dts/src/c6x/evmc6457.dts
index 0301eb9..73e1d43 100644
--- a/dts/src/c6x/evmc6457.dts
+++ b/dts/src/c6x/evmc6457.dts
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
 /*
  * arch/c6x/boot/dts/evmc6457.dts
  *
@@ -6,12 +7,6 @@
  * Copyright (C) 2011 Texas Instruments Incorporated
  *
  * Author: Mark Salter <msalter@redhat.com>
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License
- * as published by the Free Software Foundation; either version 2
- * of the License, or (at your option) any later version.
- *
  */
 
 /dts-v1/;
diff --git a/dts/src/c6x/evmc6472.dts b/dts/src/c6x/evmc6472.dts
index 3e207b4..4878b78 100644
--- a/dts/src/c6x/evmc6472.dts
+++ b/dts/src/c6x/evmc6472.dts
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
 /*
  * arch/c6x/boot/dts/evmc6472.dts
  *
@@ -6,12 +7,6 @@
  * Copyright (C) 2011 Texas Instruments Incorporated
  *
  * Author: Mark Salter <msalter@redhat.com>
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License
- * as published by the Free Software Foundation; either version 2
- * of the License, or (at your option) any later version.
- *
  */
 
 /dts-v1/;
diff --git a/dts/src/c6x/evmc6474.dts b/dts/src/c6x/evmc6474.dts
index 4dc2912..d107464 100644
--- a/dts/src/c6x/evmc6474.dts
+++ b/dts/src/c6x/evmc6474.dts
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
 /*
  * arch/c6x/boot/dts/evmc6474.dts
  *
@@ -6,12 +7,6 @@
  * Copyright (C) 2011 Texas Instruments Incorporated
  *
  * Author: Mark Salter <msalter@redhat.com>
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License
- * as published by the Free Software Foundation; either version 2
- * of the License, or (at your option) any later version.
- *
  */
 
 /dts-v1/;
diff --git a/dts/src/c6x/evmc6678.dts b/dts/src/c6x/evmc6678.dts
index ab68630..5e6c096 100644
--- a/dts/src/c6x/evmc6678.dts
+++ b/dts/src/c6x/evmc6678.dts
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
 /*
  * arch/c6x/boot/dts/evmc6678.dts
  *
@@ -6,12 +7,6 @@
  * Copyright (C) 2012 Texas Instruments Incorporated
  *
  * Author: Ken Cox <jkc@redhat.com>
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License
- * as published by the Free Software Foundation; either version 2
- * of the License, or (at your option) any later version.
- *
  */
 
 /dts-v1/;
diff --git a/dts/src/nios2/10m50_devboard.dts b/dts/src/nios2/10m50_devboard.dts
index 4bb4dc1..5e4ab03 100644
--- a/dts/src/nios2/10m50_devboard.dts
+++ b/dts/src/nios2/10m50_devboard.dts
@@ -1,17 +1,6 @@
+// SPDX-License-Identifier: GPL-2.0-only
 /*
  * Copyright (C) 2015 Altera Corporation. All rights reserved.
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms and conditions of the GNU General Public License,
- * version 2, as published by the Free Software Foundation.
- *
- * This program is distributed in the hope it will be useful, but WITHOUT
- * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
- * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
- * more details.
- *
- * You should have received a copy of the GNU General Public License along with
- * this program.  If not, see <http://www.gnu.org/licenses/>.
  */
 
 /dts-v1/;
diff --git a/dts/src/powerpc/a3m071.dts b/dts/src/powerpc/a3m071.dts
index 187ce45..034cfd8 100644
--- a/dts/src/powerpc/a3m071.dts
+++ b/dts/src/powerpc/a3m071.dts
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
 /*
  * a3m071 board Device Tree Source
  *
@@ -8,11 +9,6 @@
  *
  * Copyright (C) 2007 Semihalf
  * Marian Balakowicz <m8@semihalf.com>
- *
- * This program is free software; you can redistribute  it and/or modify it
- * under  the terms of  the GNU General  Public License as published by the
- * Free Software Foundation;  either version 2 of the  License, or (at your
- * option) any later version.
  */
 
 /include/ "mpc5200b.dtsi"
diff --git a/dts/src/powerpc/a4m072.dts b/dts/src/powerpc/a4m072.dts
index 1f02034..a9cef57 100644
--- a/dts/src/powerpc/a4m072.dts
+++ b/dts/src/powerpc/a4m072.dts
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
 /*
  * a4m072 board Device Tree Source
  *
@@ -6,11 +7,6 @@
  *
  * Copyright (C) 2007 Semihalf
  * Marian Balakowicz <m8@semihalf.com>
- *
- * This program is free software; you can redistribute  it and/or modify it
- * under  the terms of  the GNU General  Public License as published by the
- * Free Software Foundation;  either version 2 of the  License, or (at your
- * option) any later version.
  */
 
 /include/ "mpc5200b.dtsi"
diff --git a/dts/src/powerpc/ac14xx.dts b/dts/src/powerpc/ac14xx.dts
index 0be5c4f..5d8877e 100644
--- a/dts/src/powerpc/ac14xx.dts
+++ b/dts/src/powerpc/ac14xx.dts
@@ -1,12 +1,8 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
 /*
  * Device Tree Source for the MPC5121e based ac14xx board
  *
  * Copyright 2012 Anatolij Gustschin <agust@denx.de>
- *
- * This program is free software; you can redistribute  it and/or modify it
- * under  the terms of  the GNU General  Public License as published by the
- * Free Software Foundation;  either version 2 of the  License, or (at your
- * option) any later version.
  */
 
 
diff --git a/dts/src/powerpc/adder875-redboot.dts b/dts/src/powerpc/adder875-redboot.dts
index 7f5ff41..b51c97a 100644
--- a/dts/src/powerpc/adder875-redboot.dts
+++ b/dts/src/powerpc/adder875-redboot.dts
@@ -1,13 +1,9 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
 /*
  * Device Tree Source for MPC885 ADS running RedBoot
  *
  * Copyright 2006 MontaVista Software, Inc.
  * Copyright 2007 Freescale Semiconductor, Inc.
- *
- * This program is free software; you can redistribute  it and/or modify it
- * under  the terms of  the GNU General  Public License as published by the
- * Free Software Foundation;  either version 2 of the  License, or (at your
- * option) any later version.
  */
 
 /dts-v1/;
diff --git a/dts/src/powerpc/adder875-uboot.dts b/dts/src/powerpc/adder875-uboot.dts
index bd9f33c..ec77610 100644
--- a/dts/src/powerpc/adder875-uboot.dts
+++ b/dts/src/powerpc/adder875-uboot.dts
@@ -1,13 +1,9 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
 /*
  * Device Tree Source for MPC885 ADS running U-Boot
  *
  * Copyright 2006 MontaVista Software, Inc.
  * Copyright 2007 Freescale Semiconductor, Inc.
- *
- * This program is free software; you can redistribute  it and/or modify it
- * under  the terms of  the GNU General  Public License as published by the
- * Free Software Foundation;  either version 2 of the  License, or (at your
- * option) any later version.
  */
 
 /dts-v1/;
diff --git a/dts/src/powerpc/amigaone.dts b/dts/src/powerpc/amigaone.dts
index 7124301..5c68db3 100644
--- a/dts/src/powerpc/amigaone.dts
+++ b/dts/src/powerpc/amigaone.dts
@@ -1,12 +1,8 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
 /*
  * AmigaOne Device Tree Source
  *
  * Copyright 2008 Gerhard Pircher (gerhard_pircher@gmx.net)
- *
- * This program is free software; you can redistribute  it and/or modify it
- * under  the terms of  the GNU General  Public License as published by the
- * Free Software Foundation;  either version 2 of the  License, or (at your
- * option) any later version.
  */
 
 /dts-v1/;
diff --git a/dts/src/powerpc/arches.dts b/dts/src/powerpc/arches.dts
index 30f4120..75a376a 100644
--- a/dts/src/powerpc/arches.dts
+++ b/dts/src/powerpc/arches.dts
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
 /*
  * Device Tree Source for AMCC Arches (dual 460GT board)
  *
@@ -11,21 +12,6 @@
  *
  * See file CREDITS for list of people who contributed to this
  * project.
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License as
- * published by the Free Software Foundation; either version 2 of
- * the License, or (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
- * MA 02111-1307 USA
  */
 
 /dts-v1/;
diff --git a/dts/src/powerpc/asp834x-redboot.dts b/dts/src/powerpc/asp834x-redboot.dts
index e987b5a..52a8456 100644
--- a/dts/src/powerpc/asp834x-redboot.dts
+++ b/dts/src/powerpc/asp834x-redboot.dts
@@ -1,12 +1,8 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
 /*
  * Analogue & Micro ASP8347 Device Tree Source
  *
  * Copyright 2008 Codehermit
- *
- * This program is free software; you can redistribute  it and/or modify it
- * under  the terms of  the GNU General  Public License as published by the
- * Free Software Foundation;  either version 2 of the  License, or (at your
- * option) any later version.
  */
 
 /dts-v1/;
diff --git a/dts/src/powerpc/bluestone.dts b/dts/src/powerpc/bluestone.dts
index 64eaf7e..cc965a1 100644
--- a/dts/src/powerpc/bluestone.dts
+++ b/dts/src/powerpc/bluestone.dts
@@ -1,24 +1,9 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
 /*
  * Device Tree for Bluestone (APM821xx) board.
  *
  * Copyright (c) 2010, Applied Micro Circuits Corporation
  * Author: Tirumala R Marri <tmarri@apm.com>
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License as
- * published by the Free Software Foundation; either version 2 of
- * the License, or (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
- * MA 02111-1307 USA
- *
  */
 
 /dts-v1/;
diff --git a/dts/src/powerpc/charon.dts b/dts/src/powerpc/charon.dts
index 0e00e50..408b486 100644
--- a/dts/src/powerpc/charon.dts
+++ b/dts/src/powerpc/charon.dts
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
 /*
  * charon board Device Tree Source
  *
@@ -6,11 +7,6 @@
  *
  * Copyright (C) 2010 DENX Software Engineering GmbH
  * Heiko Schocher <hs@denx.de>
- *
- * This program is free software; you can redistribute  it and/or modify it
- * under  the terms of  the GNU General  Public License as published by the
- * Free Software Foundation;  either version 2 of the  License, or (at your
- * option) any later version.
  */
 
 /dts-v1/;
diff --git a/dts/src/powerpc/cm5200.dts b/dts/src/powerpc/cm5200.dts
index fb580dd..66cae7b 100644
--- a/dts/src/powerpc/cm5200.dts
+++ b/dts/src/powerpc/cm5200.dts
@@ -1,13 +1,9 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
 /*
  * CM5200 board Device Tree Source
  *
  * Copyright (C) 2007 Semihalf
  * Marian Balakowicz <m8@semihalf.com>
- *
- * This program is free software; you can redistribute  it and/or modify it
- * under  the terms of  the GNU General  Public License as published by the
- * Free Software Foundation;  either version 2 of the  License, or (at your
- * option) any later version.
  */
 
 /include/ "mpc5200b.dtsi"
diff --git a/dts/src/powerpc/digsy_mtc.dts b/dts/src/powerpc/digsy_mtc.dts
index c3922fc..0e5e9d3 100644
--- a/dts/src/powerpc/digsy_mtc.dts
+++ b/dts/src/powerpc/digsy_mtc.dts
@@ -1,14 +1,10 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
 /*
  * Digsy MTC board Device Tree Source
  *
  * Copyright (C) 2009 Semihalf
  *
  * Based on the CM5200 by M. Balakowicz
- *
- * This program is free software; you can redistribute  it and/or modify it
- * under  the terms of  the GNU General  Public License as published by the
- * Free Software Foundation;  either version 2 of the  License, or (at your
- * option) any later version.
  */
 
 /include/ "mpc5200b.dtsi"
diff --git a/dts/src/powerpc/ep8248e.dts b/dts/src/powerpc/ep8248e.dts
index 8b3a49f..9ae2d92 100644
--- a/dts/src/powerpc/ep8248e.dts
+++ b/dts/src/powerpc/ep8248e.dts
@@ -1,12 +1,8 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
 /*
  * Device Tree for the Embedded Planet EP8248E board running PlanetCore.
  *
  * Copyright 2007 Freescale Semiconductor Inc.
- *
- * This program is free software; you can redistribute  it and/or modify it
- * under  the terms of  the GNU General  Public License as published by the
- * Free Software Foundation;  either version 2 of the  License, or (at your
- * option) any later version.
  */
 
 /dts-v1/;
diff --git a/dts/src/powerpc/ep88xc.dts b/dts/src/powerpc/ep88xc.dts
index 2aa5bf5..b6b7e97 100644
--- a/dts/src/powerpc/ep88xc.dts
+++ b/dts/src/powerpc/ep88xc.dts
@@ -1,13 +1,9 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
 /*
  * EP88xC Device Tree Source
  *
  * Copyright 2006 MontaVista Software, Inc.
  * Copyright 2007,2008 Freescale Semiconductor, Inc.
- *
- * This program is free software; you can redistribute  it and/or modify it
- * under  the terms of  the GNU General  Public License as published by the
- * Free Software Foundation;  either version 2 of the  License, or (at your
- * option) any later version.
  */
 
 /dts-v1/;
diff --git a/dts/src/powerpc/fsl/bsc9131rdb.dts b/dts/src/powerpc/fsl/bsc9131rdb.dts
index 26366e6..8da9842 100644
--- a/dts/src/powerpc/fsl/bsc9131rdb.dts
+++ b/dts/src/powerpc/fsl/bsc9131rdb.dts
@@ -1,12 +1,8 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
 /*
  * BSC9131 RDB Device Tree Source
  *
  * Copyright 2011-2012 Freescale Semiconductor Inc.
- *
- * This program is free software; you can redistribute  it and/or modify it
- * under  the terms of  the GNU General  Public License as published by the
- * Free Software Foundation;  either version 2 of the  License, or (at your
- * option) any later version.
  */
 
 /include/ "bsc9131si-pre.dtsi"
diff --git a/dts/src/powerpc/fsl/bsc9132qds.dts b/dts/src/powerpc/fsl/bsc9132qds.dts
index 56e6f13..7cb2158 100644
--- a/dts/src/powerpc/fsl/bsc9132qds.dts
+++ b/dts/src/powerpc/fsl/bsc9132qds.dts
@@ -1,12 +1,8 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
 /*
  * BSC9132 QDS Device Tree Source
  *
  * Copyright 2014 Freescale Semiconductor Inc.
- *
- * This program is free software; you can redistribute  it and/or modify it
- * under  the terms of  the GNU General  Public License as published by the
- * Free Software Foundation;  either version 2 of the  License, or (at your
- * option) any later version.
  */
 
 /include/ "bsc9132si-pre.dtsi"
diff --git a/dts/src/powerpc/fsl/cyrus_p5020.dts b/dts/src/powerpc/fsl/cyrus_p5020.dts
index c603390..40ba060 100644
--- a/dts/src/powerpc/fsl/cyrus_p5020.dts
+++ b/dts/src/powerpc/fsl/cyrus_p5020.dts
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
 /*
  * Cyrus 5020 Device Tree Source, based on p5020ds.dts
  *
@@ -5,11 +6,6 @@
  *
  * p5020ds.dts copyright:
  * Copyright 2010 - 2014 Freescale Semiconductor Inc.
- *
- * This program is free software; you can redistribute  it and/or modify it
- * under  the terms of  the GNU General  Public License as published by the
- * Free Software Foundation;  either version 2 of the  License, or (at your
- * option) any later version.
  */
 
 /include/ "p5020si-pre.dtsi"
diff --git a/dts/src/powerpc/fsl/ge_imp3a.dts b/dts/src/powerpc/fsl/ge_imp3a.dts
index a2bb47f..da3de8e 100644
--- a/dts/src/powerpc/fsl/ge_imp3a.dts
+++ b/dts/src/powerpc/fsl/ge_imp3a.dts
@@ -1,13 +1,9 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
 /*
  * GE IMP3A Device Tree Source
  *
  * Copyright 2010-2011 GE Intelligent Platforms Embedded Systems, Inc.
  *
- * This program is free software; you can redistribute  it and/or modify it
- * under  the terms of  the GNU General  Public License as published by the
- * Free Software Foundation;  either version 2 of the  License, or (at your
- * option) any later version.
- *
  * Based on: P2020 DS Device Tree Source
  * Copyright 2009 Freescale Semiconductor Inc.
  */
diff --git a/dts/src/powerpc/fsl/gef_ppc9a.dts b/dts/src/powerpc/fsl/gef_ppc9a.dts
index c88d4ef..fc92bb0 100644
--- a/dts/src/powerpc/fsl/gef_ppc9a.dts
+++ b/dts/src/powerpc/fsl/gef_ppc9a.dts
@@ -1,13 +1,9 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
 /*
  * GE PPC9A Device Tree Source
  *
  * Copyright 2008 GE Intelligent Platforms Embedded Systems, Inc.
  *
- * This program is free software; you can redistribute  it and/or modify it
- * under  the terms of  the GNU General  Public License as published by the
- * Free Software Foundation;  either version 2 of the  License, or (at your
- * option) any later version.
- *
  * Based on: SBS CM6 Device Tree Source
  * Copyright 2007 SBS Technologies GmbH & Co. KG
  * And: mpc8641_hpcn.dts (MPC8641 HPCN Device Tree Source)
diff --git a/dts/src/powerpc/fsl/gef_sbc310.dts b/dts/src/powerpc/fsl/gef_sbc310.dts
index 8385157..47ae85c 100644
--- a/dts/src/powerpc/fsl/gef_sbc310.dts
+++ b/dts/src/powerpc/fsl/gef_sbc310.dts
@@ -1,13 +1,9 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
 /*
  * GE SBC310 Device Tree Source
  *
  * Copyright 2008 GE Intelligent Platforms Embedded Systems, Inc.
  *
- * This program is free software; you can redistribute  it and/or modify it
- * under  the terms of  the GNU General  Public License as published by the
- * Free Software Foundation;  either version 2 of the  License, or (at your
- * option) any later version.
- *
  * Based on: SBS CM6 Device Tree Source
  * Copyright 2007 SBS Technologies GmbH & Co. KG
  * And: mpc8641_hpcn.dts (MPC8641 HPCN Device Tree Source)
diff --git a/dts/src/powerpc/fsl/gef_sbc610.dts b/dts/src/powerpc/fsl/gef_sbc610.dts
index ff423ab..5322be4 100644
--- a/dts/src/powerpc/fsl/gef_sbc610.dts
+++ b/dts/src/powerpc/fsl/gef_sbc610.dts
@@ -1,13 +1,9 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
 /*
  * GE SBC610 Device Tree Source
  *
  * Copyright 2008 GE Intelligent Platforms Embedded Systems, Inc.
  *
- * This program is free software; you can redistribute  it and/or modify it
- * under  the terms of  the GNU General  Public License as published by the
- * Free Software Foundation;  either version 2 of the  License, or (at your
- * option) any later version.
- *
  * Based on: SBS CM6 Device Tree Source
  * Copyright 2007 SBS Technologies GmbH & Co. KG
  * And: mpc8641_hpcn.dts (MPC8641 HPCN Device Tree Source)
diff --git a/dts/src/powerpc/fsl/kmcent2.dts b/dts/src/powerpc/fsl/kmcent2.dts
index 3094df0..48b7f97 100644
--- a/dts/src/powerpc/fsl/kmcent2.dts
+++ b/dts/src/powerpc/fsl/kmcent2.dts
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
 /*
  * Keymile kmcent2 Device Tree Source, based on T1040RDB DTS
  *
@@ -5,11 +6,6 @@
  * Valentin Longchamp, Keymile AG, valentin.longchamp@keymile.com
  *
  * Copyright 2014 - 2015 Freescale Semiconductor Inc.
- *
- * This program is free software; you can redistribute  it and/or modify it
- * under  the terms of  the GNU General  Public License as published by the
- * Free Software Foundation;  either version 2 of the  License, or (at your
- * option) any later version.
  */
 
 /include/ "t104xsi-pre.dtsi"
diff --git a/dts/src/powerpc/fsl/kmcoge4.dts b/dts/src/powerpc/fsl/kmcoge4.dts
index e103c0f..1c5f942 100644
--- a/dts/src/powerpc/fsl/kmcoge4.dts
+++ b/dts/src/powerpc/fsl/kmcoge4.dts
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
 /*
  * Keymile kmcoge4 Device Tree Source, based on the P2041RDB DTS
  *
@@ -5,11 +6,6 @@
  * Valentin Longchamp, Keymile AG, valentin.longchamp@keymile.com
  *
  * Copyright 2011 Freescale Semiconductor Inc.
- *
- * This program is free software; you can redistribute  it and/or modify it
- * under  the terms of  the GNU General  Public License as published by the
- * Free Software Foundation;  either version 2 of the  License, or (at your
- * option) any later version.
  */
 
 /include/ "p2041si-pre.dtsi"
diff --git a/dts/src/powerpc/fsl/mpc8536ds.dts b/dts/src/powerpc/fsl/mpc8536ds.dts
index 96cdce8..ab6997a 100644
--- a/dts/src/powerpc/fsl/mpc8536ds.dts
+++ b/dts/src/powerpc/fsl/mpc8536ds.dts
@@ -1,12 +1,8 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
 /*
  * MPC8536 DS Device Tree Source
  *
  * Copyright 2008, 2011 Freescale Semiconductor, Inc.
- *
- * This program is free software; you can redistribute  it and/or modify it
- * under  the terms of  the GNU General  Public License as published by the
- * Free Software Foundation;  either version 2 of the  License, or (at your
- * option) any later version.
  */
 
 /include/ "mpc8536si-pre.dtsi"
diff --git a/dts/src/powerpc/fsl/mpc8536ds_36b.dts b/dts/src/powerpc/fsl/mpc8536ds_36b.dts
index 38d326c..1b79974 100644
--- a/dts/src/powerpc/fsl/mpc8536ds_36b.dts
+++ b/dts/src/powerpc/fsl/mpc8536ds_36b.dts
@@ -1,12 +1,8 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
 /*
  * MPC8536DS Device Tree Source (36-bit address map)
  *
  * Copyright 2008-2009, 2011 Freescale Semiconductor, Inc.
- *
- * This program is free software; you can redistribute  it and/or modify it
- * under  the terms of  the GNU General  Public License as published by the
- * Free Software Foundation;  either version 2 of the  License, or (at your
- * option) any later version.
  */
 
 /include/ "mpc8536si-pre.dtsi"
diff --git a/dts/src/powerpc/fsl/mpc8540ads.dts b/dts/src/powerpc/fsl/mpc8540ads.dts
index e6d0b16..18a8851 100644
--- a/dts/src/powerpc/fsl/mpc8540ads.dts
+++ b/dts/src/powerpc/fsl/mpc8540ads.dts
@@ -1,12 +1,8 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
 /*
  * MPC8540 ADS Device Tree Source
  *
  * Copyright 2006, 2008 Freescale Semiconductor Inc.
- *
- * This program is free software; you can redistribute  it and/or modify it
- * under  the terms of  the GNU General  Public License as published by the
- * Free Software Foundation;  either version 2 of the  License, or (at your
- * option) any later version.
  */
 
 /dts-v1/;
diff --git a/dts/src/powerpc/fsl/mpc8541cds.dts b/dts/src/powerpc/fsl/mpc8541cds.dts
index 9fa2c73..ac381e7 100644
--- a/dts/src/powerpc/fsl/mpc8541cds.dts
+++ b/dts/src/powerpc/fsl/mpc8541cds.dts
@@ -1,12 +1,8 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
 /*
  * MPC8541 CDS Device Tree Source
  *
  * Copyright 2006, 2008 Freescale Semiconductor Inc.
- *
- * This program is free software; you can redistribute  it and/or modify it
- * under  the terms of  the GNU General  Public License as published by the
- * Free Software Foundation;  either version 2 of the  License, or (at your
- * option) any later version.
  */
 
 /dts-v1/;
diff --git a/dts/src/powerpc/fsl/mpc8544ds.dts b/dts/src/powerpc/fsl/mpc8544ds.dts
index 5a6e468..f4a8b71 100644
--- a/dts/src/powerpc/fsl/mpc8544ds.dts
+++ b/dts/src/powerpc/fsl/mpc8544ds.dts
@@ -1,12 +1,8 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
 /*
  * MPC8544 DS Device Tree Source
  *
  * Copyright 2007, 2008 Freescale Semiconductor Inc.
- *
- * This program is free software; you can redistribute  it and/or modify it
- * under  the terms of  the GNU General  Public License as published by the
- * Free Software Foundation;  either version 2 of the  License, or (at your
- * option) any later version.
  */
 
 /include/ "mpc8544si-pre.dtsi"
diff --git a/dts/src/powerpc/fsl/mpc8548cds_32b.dts b/dts/src/powerpc/fsl/mpc8548cds_32b.dts
index e4620bb..f6ba4a9 100644
--- a/dts/src/powerpc/fsl/mpc8548cds_32b.dts
+++ b/dts/src/powerpc/fsl/mpc8548cds_32b.dts
@@ -1,12 +1,8 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
 /*
  * MPC8548 CDS Device Tree Source (32-bit address map)
  *
  * Copyright 2006, 2008, 2011-2012 Freescale Semiconductor Inc.
- *
- * This program is free software; you can redistribute  it and/or modify it
- * under  the terms of  the GNU General  Public License as published by the
- * Free Software Foundation;  either version 2 of the  License, or (at your
- * option) any later version.
  */
 
 /include/ "mpc8548si-pre.dtsi"
diff --git a/dts/src/powerpc/fsl/mpc8548cds_36b.dts b/dts/src/powerpc/fsl/mpc8548cds_36b.dts
index bca7c09..32e9076 100644
--- a/dts/src/powerpc/fsl/mpc8548cds_36b.dts
+++ b/dts/src/powerpc/fsl/mpc8548cds_36b.dts
@@ -1,12 +1,8 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
 /*
  * MPC8548 CDS Device Tree Source (36-bit address map)
  *
  * Copyright 2012 Freescale Semiconductor Inc.
- *
- * This program is free software; you can redistribute  it and/or modify it
- * under  the terms of  the GNU General  Public License as published by the
- * Free Software Foundation;  either version 2 of the  License, or (at your
- * option) any later version.
  */
 
 /include/ "mpc8548si-pre.dtsi"
diff --git a/dts/src/powerpc/fsl/mpc8555cds.dts b/dts/src/powerpc/fsl/mpc8555cds.dts
index 272f08c..9f58db2 100644
--- a/dts/src/powerpc/fsl/mpc8555cds.dts
+++ b/dts/src/powerpc/fsl/mpc8555cds.dts
@@ -1,12 +1,8 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
 /*
  * MPC8555 CDS Device Tree Source
  *
  * Copyright 2006, 2008 Freescale Semiconductor Inc.
- *
- * This program is free software; you can redistribute  it and/or modify it
- * under  the terms of  the GNU General  Public License as published by the
- * Free Software Foundation;  either version 2 of the  License, or (at your
- * option) any later version.
  */
 
 /dts-v1/;
diff --git a/dts/src/powerpc/fsl/mpc8560ads.dts b/dts/src/powerpc/fsl/mpc8560ads.dts
index 7a822b0..a24722c 100644
--- a/dts/src/powerpc/fsl/mpc8560ads.dts
+++ b/dts/src/powerpc/fsl/mpc8560ads.dts
@@ -1,12 +1,8 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
 /*
  * MPC8560 ADS Device Tree Source
  *
  * Copyright 2006, 2008 Freescale Semiconductor Inc.
- *
- * This program is free software; you can redistribute  it and/or modify it
- * under  the terms of  the GNU General  Public License as published by the
- * Free Software Foundation;  either version 2 of the  License, or (at your
- * option) any later version.
  */
 
 /dts-v1/;
diff --git a/dts/src/powerpc/fsl/mpc8568mds.dts b/dts/src/powerpc/fsl/mpc8568mds.dts
index bc3e803..3603b5a 100644
--- a/dts/src/powerpc/fsl/mpc8568mds.dts
+++ b/dts/src/powerpc/fsl/mpc8568mds.dts
@@ -1,12 +1,8 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
 /*
  * MPC8568E MDS Device Tree Source
  *
  * Copyright 2007, 2008 Freescale Semiconductor Inc.
- *
- * This program is free software; you can redistribute  it and/or modify it
- * under  the terms of  the GNU General  Public License as published by the
- * Free Software Foundation;  either version 2 of the  License, or (at your
- * option) any later version.
  */
 
 /include/ "mpc8568si-pre.dtsi"
diff --git a/dts/src/powerpc/fsl/mpc8569mds.dts b/dts/src/powerpc/fsl/mpc8569mds.dts
index d8367ce..206614e 100644
--- a/dts/src/powerpc/fsl/mpc8569mds.dts
+++ b/dts/src/powerpc/fsl/mpc8569mds.dts
@@ -1,12 +1,8 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
 /*
  * MPC8569E MDS Device Tree Source
  *
  * Copyright (C) 2009 Freescale Semiconductor Inc.
- *
- * This program is free software; you can redistribute  it and/or modify it
- * under  the terms of  the GNU General  Public License as published by the
- * Free Software Foundation;  either version 2 of the  License, or (at your
- * option) any later version.
  */
 
 /include/ "mpc8569si-pre.dtsi"
diff --git a/dts/src/powerpc/fsl/mpc8572ds.dts b/dts/src/powerpc/fsl/mpc8572ds.dts
index 8ee5b24..679d53c 100644
--- a/dts/src/powerpc/fsl/mpc8572ds.dts
+++ b/dts/src/powerpc/fsl/mpc8572ds.dts
@@ -1,12 +1,8 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
 /*
  * MPC8572 DS Device Tree Source
  *
  * Copyright 2007-2009 Freescale Semiconductor Inc.
- *
- * This program is free software; you can redistribute  it and/or modify it
- * under  the terms of  the GNU General  Public License as published by the
- * Free Software Foundation;  either version 2 of the  License, or (at your
- * option) any later version.
  */
 
 /include/ "mpc8572si-pre.dtsi"
diff --git a/dts/src/powerpc/fsl/mpc8572ds_36b.dts b/dts/src/powerpc/fsl/mpc8572ds_36b.dts
index 5c48b46..f2abce2 100644
--- a/dts/src/powerpc/fsl/mpc8572ds_36b.dts
+++ b/dts/src/powerpc/fsl/mpc8572ds_36b.dts
@@ -1,12 +1,8 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
 /*
  * MPC8572DS Device Tree Source (36-bit address map)
  *
  * Copyright 2007-2009 Freescale Semiconductor Inc.
- *
- * This program is free software; you can redistribute  it and/or modify it
- * under  the terms of  the GNU General  Public License as published by the
- * Free Software Foundation;  either version 2 of the  License, or (at your
- * option) any later version.
  */
 
 /include/ "mpc8572si-pre.dtsi"
diff --git a/dts/src/powerpc/fsl/mpc8572ds_camp_core0.dts b/dts/src/powerpc/fsl/mpc8572ds_camp_core0.dts
index ef9ef56..d1a4993 100644
--- a/dts/src/powerpc/fsl/mpc8572ds_camp_core0.dts
+++ b/dts/src/powerpc/fsl/mpc8572ds_camp_core0.dts
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
 /*
  * MPC8572 DS Core0 Device Tree Source in CAMP mode.
  *
@@ -7,11 +8,6 @@
  * eth1, crypto, pci0, pci1.
  *
  * Copyright 2007-2009 Freescale Semiconductor Inc.
- *
- * This program is free software; you can redistribute  it and/or modify it
- * under  the terms of  the GNU General  Public License as published by the
- * Free Software Foundation;  either version 2 of the  License, or (at your
- * option) any later version.
  */
 
 /include/ "mpc8572ds.dts"
diff --git a/dts/src/powerpc/fsl/mpc8572ds_camp_core1.dts b/dts/src/powerpc/fsl/mpc8572ds_camp_core1.dts
index 24564ee..63e8243 100644
--- a/dts/src/powerpc/fsl/mpc8572ds_camp_core1.dts
+++ b/dts/src/powerpc/fsl/mpc8572ds_camp_core1.dts
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
 /*
  * MPC8572 DS Core1 Device Tree Source in CAMP mode.
  *
@@ -8,11 +9,6 @@
  * Please note to add "-b 1" for core1's dts compiling.
  *
  * Copyright 2007-2009 Freescale Semiconductor Inc.
- *
- * This program is free software; you can redistribute  it and/or modify it
- * under  the terms of  the GNU General  Public License as published by the
- * Free Software Foundation;  either version 2 of the  License, or (at your
- * option) any later version.
  */
 
 /include/ "mpc8572ds.dts"
diff --git a/dts/src/powerpc/fsl/mpc8641_hpcn.dts b/dts/src/powerpc/fsl/mpc8641_hpcn.dts
index 58ac174..f7a2430 100644
--- a/dts/src/powerpc/fsl/mpc8641_hpcn.dts
+++ b/dts/src/powerpc/fsl/mpc8641_hpcn.dts
@@ -1,12 +1,8 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
 /*
  * MPC8641 HPCN Device Tree Source
  *
  * Copyright 2006 Freescale Semiconductor Inc.
- *
- * This program is free software; you can redistribute  it and/or modify it
- * under  the terms of  the GNU General  Public License as published by the
- * Free Software Foundation;  either version 2 of the  License, or (at your
- * option) any later version.
  */
 
 /include/ "mpc8641si-pre.dtsi"
diff --git a/dts/src/powerpc/fsl/mpc8641_hpcn_36b.dts b/dts/src/powerpc/fsl/mpc8641_hpcn_36b.dts
index e64b91e..3f5f7a9 100644
--- a/dts/src/powerpc/fsl/mpc8641_hpcn_36b.dts
+++ b/dts/src/powerpc/fsl/mpc8641_hpcn_36b.dts
@@ -1,12 +1,8 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
 /*
  * MPC8641 HPCN Device Tree Source
  *
  * Copyright 2008-2009 Freescale Semiconductor Inc.
- *
- * This program is free software; you can redistribute  it and/or modify it
- * under  the terms of  the GNU General  Public License as published by the
- * Free Software Foundation;  either version 2 of the  License, or (at your
- * option) any later version.
  */
 
 /include/ "mpc8641si-pre.dtsi"
diff --git a/dts/src/powerpc/fsl/mpc8641si-post.dtsi b/dts/src/powerpc/fsl/mpc8641si-post.dtsi
index 50039d4..77900b9 100644
--- a/dts/src/powerpc/fsl/mpc8641si-post.dtsi
+++ b/dts/src/powerpc/fsl/mpc8641si-post.dtsi
@@ -1,13 +1,8 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
 /*
  * MPC8641 Silicon/SoC Device Tree Source (post include)
  *
  * Copyright 2016 Elettra-Sincrotrone Trieste S.C.p.A.
- *
- * This program is free software; you can redistribute  it and/or modify it
- * under  the terms of  the GNU General  Public License as published by the
- * Free Software Foundation;  either version 2 of the  License, or (at your
- * option) any later version.
- *
  */
 
 &lbc {
diff --git a/dts/src/powerpc/fsl/mpc8641si-pre.dtsi b/dts/src/powerpc/fsl/mpc8641si-pre.dtsi
index 7c6db6f..a9f7e79 100644
--- a/dts/src/powerpc/fsl/mpc8641si-pre.dtsi
+++ b/dts/src/powerpc/fsl/mpc8641si-pre.dtsi
@@ -1,13 +1,8 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
 /*
  * MPC8641 Silicon/SoC Device Tree Source (pre include)
  *
  * Copyright 2016 Elettra-Sincrotrone Trieste S.C.p.A.
- *
- * This program is free software; you can redistribute  it and/or modify it
- * under  the terms of  the GNU General  Public License as published by the
- * Free Software Foundation;  either version 2 of the  License, or (at your
- * option) any later version.
- *
  */
 
 /dts-v1/;
diff --git a/dts/src/powerpc/fsl/mvme2500.dts b/dts/src/powerpc/fsl/mvme2500.dts
index 69559e9..e0f048a 100644
--- a/dts/src/powerpc/fsl/mvme2500.dts
+++ b/dts/src/powerpc/fsl/mvme2500.dts
@@ -1,13 +1,9 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
 /*
  * Device tree source for the Emerson/Artesyn MVME2500
  *
  * Copyright 2014 Elettra-Sincrotrone Trieste S.C.p.A.
  *
- * This program is free software; you can redistribute  it and/or modify it
- * under  the terms of  the GNU General  Public License as published by the
- * Free Software Foundation;  either version 2 of the  License, or (at your
- * option) any later version.
- *
  * Based on: P2020 DS Device Tree Source
  * Copyright 2009 Freescale Semiconductor Inc.
  */
diff --git a/dts/src/powerpc/fsl/mvme7100.dts b/dts/src/powerpc/fsl/mvme7100.dts
index 721cb53..bcc9ded 100644
--- a/dts/src/powerpc/fsl/mvme7100.dts
+++ b/dts/src/powerpc/fsl/mvme7100.dts
@@ -1,15 +1,10 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
 /*
  * Device tree source for the Emerson/Artesyn MVME7100
  *
  * Copyright 2016 Elettra-Sincrotrone Trieste S.C.p.A.
  *
  * Author: Alessio Igor Bogani <alessio.bogani@elettra.eu>
- *
- * This program is free software; you can redistribute  it and/or modify it
- * under  the terms of  the GNU General  Public License as published by the
- * Free Software Foundation;  either version 2 of the  License, or (at your
- * option) any later version.
- *
  */
 
 /include/ "mpc8641si-pre.dtsi"
diff --git a/dts/src/powerpc/fsl/p1010rdb-pa.dts b/dts/src/powerpc/fsl/p1010rdb-pa.dts
index e4ab53c..1e33d78 100644
--- a/dts/src/powerpc/fsl/p1010rdb-pa.dts
+++ b/dts/src/powerpc/fsl/p1010rdb-pa.dts
@@ -1,12 +1,8 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
 /*
  * P1010 RDB Device Tree Source
  *
  * Copyright 2011 Freescale Semiconductor Inc.
- *
- * This program is free software; you can redistribute  it and/or modify it
- * under  the terms of  the GNU General  Public License as published by the
- * Free Software Foundation;  either version 2 of the  License, or (at your
- * option) any later version.
  */
 
 /include/ "p1010si-pre.dtsi"
diff --git a/dts/src/powerpc/fsl/p1010rdb-pb.dts b/dts/src/powerpc/fsl/p1010rdb-pb.dts
index 37681fd..3a94acb 100644
--- a/dts/src/powerpc/fsl/p1010rdb-pb.dts
+++ b/dts/src/powerpc/fsl/p1010rdb-pb.dts
@@ -1,12 +1,8 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
 /*
  * P1010 RDB Device Tree Source
  *
  * Copyright 2011 Freescale Semiconductor Inc.
- *
- * This program is free software; you can redistribute  it and/or modify it
- * under  the terms of  the GNU General  Public License as published by the
- * Free Software Foundation;  either version 2 of the  License, or (at your
- * option) any later version.
  */
 
 /include/ "p1010si-pre.dtsi"
diff --git a/dts/src/powerpc/fsl/p1020rdb-pc_camp_core0.dts b/dts/src/powerpc/fsl/p1020rdb-pc_camp_core0.dts
index f411515..42e1e2f 100644
--- a/dts/src/powerpc/fsl/p1020rdb-pc_camp_core0.dts
+++ b/dts/src/powerpc/fsl/p1020rdb-pc_camp_core0.dts
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
 /*
  * P1020 RDB-PC  Core0 Device Tree Source in CAMP mode.
  *
@@ -9,11 +10,6 @@
  * Please note to add "-b 0" for core0's dts compiling.
  *
  * Copyright 2012 Freescale Semiconductor Inc.
- *
- * This program is free software; you can redistribute  it and/or modify it
- * under  the terms of  the GNU General  Public License as published by the
- * Free Software Foundation;  either version 2 of the  License, or (at your
- * option) any later version.
  */
 
 /include/ "p1020rdb-pc_32b.dts"
diff --git a/dts/src/powerpc/fsl/p1020rdb-pc_camp_core1.dts b/dts/src/powerpc/fsl/p1020rdb-pc_camp_core1.dts
index a91335a..da9a8e7 100644
--- a/dts/src/powerpc/fsl/p1020rdb-pc_camp_core1.dts
+++ b/dts/src/powerpc/fsl/p1020rdb-pc_camp_core1.dts
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
 /*
  * P1020 RDB-PC Core1 Device Tree Source in CAMP mode.
  *
@@ -8,11 +9,6 @@
  * Please note to add "-b 1" for core1's dts compiling.
  *
  * Copyright 2012 Freescale Semiconductor Inc.
- *
- * This program is free software; you can redistribute  it and/or modify it
- * under  the terms of  the GNU General  Public License as published by the
- * Free Software Foundation;  either version 2 of the  License, or (at your
- * option) any later version.
  */
 
 /include/ "p1020rdb-pc_32b.dts"
diff --git a/dts/src/powerpc/fsl/p1020rdb.dts b/dts/src/powerpc/fsl/p1020rdb.dts
index 8136225..1a8d81e 100644
--- a/dts/src/powerpc/fsl/p1020rdb.dts
+++ b/dts/src/powerpc/fsl/p1020rdb.dts
@@ -1,12 +1,8 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
 /*
  * P1020 RDB Device Tree Source
  *
  * Copyright 2009-2011 Freescale Semiconductor Inc.
- *
- * This program is free software; you can redistribute  it and/or modify it
- * under  the terms of  the GNU General  Public License as published by the
- * Free Software Foundation;  either version 2 of the  License, or (at your
- * option) any later version.
  */
 
 /include/ "p1020si-pre.dtsi"
diff --git a/dts/src/powerpc/fsl/p1020rdb_36b.dts b/dts/src/powerpc/fsl/p1020rdb_36b.dts
index 74471e3..fd09a19 100644
--- a/dts/src/powerpc/fsl/p1020rdb_36b.dts
+++ b/dts/src/powerpc/fsl/p1020rdb_36b.dts
@@ -1,12 +1,8 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
 /*
  * P1020 RDB Device Tree Source (36-bit address map)
  *
  * Copyright 2009-2011 Freescale Semiconductor Inc.
- *
- * This program is free software; you can redistribute  it and/or modify it
- * under  the terms of  the GNU General  Public License as published by the
- * Free Software Foundation;  either version 2 of the  License, or (at your
- * option) any later version.
  */
 
 /include/ "p1020si-pre.dtsi"
diff --git a/dts/src/powerpc/fsl/p1021mds.dts b/dts/src/powerpc/fsl/p1021mds.dts
index 1047802..54af8de 100644
--- a/dts/src/powerpc/fsl/p1021mds.dts
+++ b/dts/src/powerpc/fsl/p1021mds.dts
@@ -1,12 +1,8 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
 /*
  * P1021 MDS Device Tree Source
  *
  * Copyright 2010,2012 Freescale Semiconductor Inc.
- *
- * This program is free software; you can redistribute it and/or modify it
- * under the terms of the GNU General Public License as published by the
- * Free Software Foundation; either version 2 of the License, or (at your
- * option) any later version.
  */
 
 /include/ "p1021si-pre.dtsi"
diff --git a/dts/src/powerpc/fsl/p2020ds.dts b/dts/src/powerpc/fsl/p2020ds.dts
index 5ba06f7..ae380eb 100644
--- a/dts/src/powerpc/fsl/p2020ds.dts
+++ b/dts/src/powerpc/fsl/p2020ds.dts
@@ -1,12 +1,8 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
 /*
  * P2020 DS Device Tree Source
  *
  * Copyright 2009-2011 Freescale Semiconductor Inc.
- *
- * This program is free software; you can redistribute  it and/or modify it
- * under  the terms of  the GNU General  Public License as published by the
- * Free Software Foundation;  either version 2 of the  License, or (at your
- * option) any later version.
  */
 
 /include/ "p2020si-pre.dtsi"
diff --git a/dts/src/powerpc/fsl/p2020rdb.dts b/dts/src/powerpc/fsl/p2020rdb.dts
index 435a319..3acd389 100644
--- a/dts/src/powerpc/fsl/p2020rdb.dts
+++ b/dts/src/powerpc/fsl/p2020rdb.dts
@@ -1,12 +1,8 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
 /*
  * P2020 RDB Device Tree Source
  *
  * Copyright 2009-2012 Freescale Semiconductor Inc.
- *
- * This program is free software; you can redistribute  it and/or modify it
- * under  the terms of  the GNU General  Public License as published by the
- * Free Software Foundation;  either version 2 of the  License, or (at your
- * option) any later version.
  */
 
 /include/ "p2020si-pre.dtsi"
diff --git a/dts/src/powerpc/fsl/ppa8548.dts b/dts/src/powerpc/fsl/ppa8548.dts
index 8f9ffbe..f39838d 100644
--- a/dts/src/powerpc/fsl/ppa8548.dts
+++ b/dts/src/powerpc/fsl/ppa8548.dts
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
 /*
  * PPA8548 Device Tree Source (36-bit address map)
  * Copyright 2013 Prodrive B.V.
@@ -5,11 +6,6 @@
  * Based on:
  * MPC8548 CDS Device Tree Source (36-bit address map)
  * Copyright 2012 Freescale Semiconductor Inc.
- *
- * This program is free software; you can redistribute  it and/or modify it
- * under  the terms of  the GNU General  Public License as published by the
- * Free Software Foundation;  either version 2 of the  License, or (at your
- * option) any later version.
  */
 
 /include/ "mpc8548si-pre.dtsi"
diff --git a/dts/src/powerpc/fsl/sbc8641d.dts b/dts/src/powerpc/fsl/sbc8641d.dts
index 75870a1..3dca10a 100644
--- a/dts/src/powerpc/fsl/sbc8641d.dts
+++ b/dts/src/powerpc/fsl/sbc8641d.dts
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
 /*
  * SBC8641D Device Tree Source
  *
@@ -6,11 +7,6 @@
  * Paul Gortmaker (see MAINTAINERS for contact information)
  *
  * Based largely on the mpc8641_hpcn.dts by Freescale Semiconductor Inc.
- *
- * This program is free software; you can redistribute  it and/or modify it
- * under  the terms of  the GNU General  Public License as published by the
- * Free Software Foundation;  either version 2 of the  License, or (at your
- * option) any later version.
  */
 
 /include/ "mpc8641si-pre.dtsi"
diff --git a/dts/src/powerpc/gamecube.dts b/dts/src/powerpc/gamecube.dts
index 58d06c9..a564cb7 100644
--- a/dts/src/powerpc/gamecube.dts
+++ b/dts/src/powerpc/gamecube.dts
@@ -1,15 +1,10 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
 /*
  * arch/powerpc/boot/dts/gamecube.dts
  *
  * Nintendo GameCube platform device tree source
  * Copyright (C) 2007-2009 The GameCube Linux Team
  * Copyright (C) 2007,2008,2009 Albert Herranz
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License
- * as published by the Free Software Foundation; either version 2
- * of the License, or (at your option) any later version.
- *
  */
 
 /dts-v1/;
diff --git a/dts/src/powerpc/klondike.dts b/dts/src/powerpc/klondike.dts
index d9613b7..9743217 100644
--- a/dts/src/powerpc/klondike.dts
+++ b/dts/src/powerpc/klondike.dts
@@ -1,24 +1,9 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
 /*
  * Device Tree for Klondike (APM8018X) board.
  *
  * Copyright (c) 2010, Applied Micro Circuits Corporation
  * Author: Tanmay Inamdar <tinamdar@apm.com>
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License as
- * published by the Free Software Foundation; either version 2 of
- * the License, or (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
- * MA 02111-1307 USA
- *
  */
 
 /dts-v1/;
diff --git a/dts/src/powerpc/kmeter1.dts b/dts/src/powerpc/kmeter1.dts
index 9fa33d9..154f5d2 100644
--- a/dts/src/powerpc/kmeter1.dts
+++ b/dts/src/powerpc/kmeter1.dts
@@ -1,12 +1,8 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
 /*
  * Keymile KMETER1 Device Tree Source
  *
  * 2008-2011 DENX Software Engineering GmbH
- *
- * This program is free software; you can redistribute  it and/or modify it
- * under  the terms of  the GNU General  Public License as published by the
- * Free Software Foundation;  either version 2 of the  License, or (at your
- * option) any later version.
  */
 
 /dts-v1/;
diff --git a/dts/src/powerpc/lite5200.dts b/dts/src/powerpc/lite5200.dts
index 179a178..cb2782d 100644
--- a/dts/src/powerpc/lite5200.dts
+++ b/dts/src/powerpc/lite5200.dts
@@ -1,13 +1,9 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
 /*
  * Lite5200 board Device Tree Source
  *
  * Copyright 2006-2007 Secret Lab Technologies Ltd.
  * Grant Likely <grant.likely@secretlab.ca>
- *
- * This program is free software; you can redistribute  it and/or modify it
- * under  the terms of  the GNU General  Public License as published by the
- * Free Software Foundation;  either version 2 of the  License, or (at your
- * option) any later version.
  */
 
 /dts-v1/;
diff --git a/dts/src/powerpc/lite5200b.dts b/dts/src/powerpc/lite5200b.dts
index 5abb46c..2b86c81 100644
--- a/dts/src/powerpc/lite5200b.dts
+++ b/dts/src/powerpc/lite5200b.dts
@@ -1,13 +1,9 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
 /*
  * Lite5200B board Device Tree Source
  *
  * Copyright 2006-2007 Secret Lab Technologies Ltd.
  * Grant Likely <grant.likely@secretlab.ca>
- *
- * This program is free software; you can redistribute  it and/or modify it
- * under  the terms of  the GNU General  Public License as published by the
- * Free Software Foundation;  either version 2 of the  License, or (at your
- * option) any later version.
  */
 
 /include/ "mpc5200b.dtsi"
diff --git a/dts/src/powerpc/media5200.dts b/dts/src/powerpc/media5200.dts
index 843f156..61cae9d 100644
--- a/dts/src/powerpc/media5200.dts
+++ b/dts/src/powerpc/media5200.dts
@@ -1,14 +1,10 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
 /*
  * Freescale Media5200 board Device Tree Source
  *
  * Copyright 2009 Secret Lab Technologies Ltd.
  * Grant Likely <grant.likely@secretlab.ca>
  * Steven Cavanagh <scavanagh@secretlab.ca>
- *
- * This program is free software; you can redistribute  it and/or modify it
- * under  the terms of  the GNU General  Public License as published by the
- * Free Software Foundation;  either version 2 of the  License, or (at your
- * option) any later version.
  */
 
 /include/ "mpc5200b.dtsi"
diff --git a/dts/src/powerpc/mgcoge.dts b/dts/src/powerpc/mgcoge.dts
index d72fb5e..a2dd5f1 100644
--- a/dts/src/powerpc/mgcoge.dts
+++ b/dts/src/powerpc/mgcoge.dts
@@ -1,13 +1,9 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
 /*
  * Device Tree for the MGCOGE plattform from keymile
  *
  * Copyright 2008 DENX Software Engineering GmbH
  * Heiko Schocher <hs@denx.de>
- *
- * This program is free software; you can redistribute  it and/or modify it
- * under  the terms of  the GNU General  Public License as published by the
- * Free Software Foundation;  either version 2 of the  License, or (at your
- * option) any later version.
  */
 
 /dts-v1/;
diff --git a/dts/src/powerpc/motionpro.dts b/dts/src/powerpc/motionpro.dts
index bbabd97..c236760 100644
--- a/dts/src/powerpc/motionpro.dts
+++ b/dts/src/powerpc/motionpro.dts
@@ -1,13 +1,9 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
 /*
  * Motion-PRO board Device Tree Source
  *
  * Copyright (C) 2007 Semihalf
  * Marian Balakowicz <m8@semihalf.com>
- *
- * This program is free software; you can redistribute  it and/or modify it
- * under  the terms of  the GNU General  Public License as published by the
- * Free Software Foundation;  either version 2 of the  License, or (at your
- * option) any later version.
  */
 
 /include/ "mpc5200b.dtsi"
diff --git a/dts/src/powerpc/mpc5121.dtsi b/dts/src/powerpc/mpc5121.dtsi
index a015e45..3f66b91 100644
--- a/dts/src/powerpc/mpc5121.dtsi
+++ b/dts/src/powerpc/mpc5121.dtsi
@@ -1,12 +1,8 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
 /*
  * base MPC5121 Device Tree Source
  *
  * Copyright 2007-2008 Freescale Semiconductor Inc.
- *
- * This program is free software; you can redistribute  it and/or modify it
- * under  the terms of  the GNU General  Public License as published by the
- * Free Software Foundation;  either version 2 of the  License, or (at your
- * option) any later version.
  */
 
 #include <dt-bindings/clock/mpc512x-clock.h>
diff --git a/dts/src/powerpc/mpc5121ads.dts b/dts/src/powerpc/mpc5121ads.dts
index 1e81a7e..b407a50 100644
--- a/dts/src/powerpc/mpc5121ads.dts
+++ b/dts/src/powerpc/mpc5121ads.dts
@@ -1,12 +1,8 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
 /*
  * MPC5121E ADS Device Tree Source
  *
  * Copyright 2007-2008 Freescale Semiconductor Inc.
- *
- * This program is free software; you can redistribute  it and/or modify it
- * under  the terms of  the GNU General  Public License as published by the
- * Free Software Foundation;  either version 2 of the  License, or (at your
- * option) any later version.
  */
 
 #include "mpc5121.dtsi"
diff --git a/dts/src/powerpc/mpc5125twr.dts b/dts/src/powerpc/mpc5125twr.dts
index 898eb58..0bd2acc 100644
--- a/dts/src/powerpc/mpc5125twr.dts
+++ b/dts/src/powerpc/mpc5125twr.dts
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
 /*
  * STx/Freescale ADS5125 MPC5125 silicon
  *
@@ -5,11 +6,6 @@
  *
  * Reworked by Matteo Facchinetti (engineering@sirius-es.it)
  * Copyright (C) 2013 Sirius Electronic Systems
- *
- * This program is free software; you can redistribute  it and/or modify it
- * under  the terms of  the GNU General  Public License as published by the
- * Free Software Foundation;  either version 2 of the  License, or (at your
- * option) any later version.
  */
 
 #include <dt-bindings/clock/mpc512x-clock.h>
diff --git a/dts/src/powerpc/mpc5200b.dtsi b/dts/src/powerpc/mpc5200b.dtsi
index 969b220..648fe31 100644
--- a/dts/src/powerpc/mpc5200b.dtsi
+++ b/dts/src/powerpc/mpc5200b.dtsi
@@ -1,14 +1,10 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
 /*
  * base MPC5200b Device Tree Source
  *
  * Copyright (C) 2010 SecretLab
  * Grant Likely <grant@secretlab.ca>
  * John Bonesio <bones@secretlab.ca>
- *
- * This program is free software; you can redistribute  it and/or modify it
- * under  the terms of  the GNU General  Public License as published by the
- * Free Software Foundation;  either version 2 of the  License, or (at your
- * option) any later version.
  */
 
 /dts-v1/;
diff --git a/dts/src/powerpc/mpc7448hpc2.dts b/dts/src/powerpc/mpc7448hpc2.dts
index 20a0d22..9494af1 100644
--- a/dts/src/powerpc/mpc7448hpc2.dts
+++ b/dts/src/powerpc/mpc7448hpc2.dts
@@ -1,13 +1,9 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
 /*
  * MPC7448HPC2 (Taiga) board Device Tree Source
  *
  * Copyright 2006, 2008 Freescale Semiconductor Inc.
  * 2006 Roy Zang <Roy Zang at freescale.com>.
- *
- * This program is free software; you can redistribute  it and/or modify it
- * under  the terms of  the GNU General  Public License as published by the
- * Free Software Foundation;  either version 2 of the  License, or (at your
- * option) any later version.
  */
 
 /dts-v1/;
diff --git a/dts/src/powerpc/mpc8272ads.dts b/dts/src/powerpc/mpc8272ads.dts
index 98282c1..13ec786 100644
--- a/dts/src/powerpc/mpc8272ads.dts
+++ b/dts/src/powerpc/mpc8272ads.dts
@@ -1,12 +1,8 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
 /*
  * MPC8272 ADS Device Tree Source
  *
  * Copyright 2005,2008 Freescale Semiconductor Inc.
- *
- * This program is free software; you can redistribute  it and/or modify it
- * under  the terms of  the GNU General  Public License as published by the
- * Free Software Foundation;  either version 2 of the  License, or (at your
- * option) any later version.
  */
 
 /dts-v1/;
diff --git a/dts/src/powerpc/mpc8308_p1m.dts b/dts/src/powerpc/mpc8308_p1m.dts
index cab933b..2638555 100644
--- a/dts/src/powerpc/mpc8308_p1m.dts
+++ b/dts/src/powerpc/mpc8308_p1m.dts
@@ -1,12 +1,8 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
 /*
  * mpc8308_p1m Device Tree Source
  *
  * Copyright 2010 Ilya Yanok, Emcraft Systems, yanok@emcraft.com
- *
- * This program is free software; you can redistribute  it and/or modify it
- * under  the terms of  the GNU General  Public License as published by the
- * Free Software Foundation;  either version 2 of the  License, or (at your
- * option) any later version.
  */
 
 /dts-v1/;
diff --git a/dts/src/powerpc/mpc8308rdb.dts b/dts/src/powerpc/mpc8308rdb.dts
index d0211f0..af2ed83 100644
--- a/dts/src/powerpc/mpc8308rdb.dts
+++ b/dts/src/powerpc/mpc8308rdb.dts
@@ -1,13 +1,9 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
 /*
  * MPC8308RDB Device Tree Source
  *
  * Copyright 2009 Freescale Semiconductor Inc.
  * Copyright 2010 Ilya Yanok, Emcraft Systems, yanok@emcraft.com
- *
- * This program is free software; you can redistribute  it and/or modify it
- * under  the terms of  the GNU General  Public License as published by the
- * Free Software Foundation;  either version 2 of the  License, or (at your
- * option) any later version.
  */
 
 /dts-v1/;
diff --git a/dts/src/powerpc/mpc8313erdb.dts b/dts/src/powerpc/mpc8313erdb.dts
index 4b635dc..a831579 100644
--- a/dts/src/powerpc/mpc8313erdb.dts
+++ b/dts/src/powerpc/mpc8313erdb.dts
@@ -1,12 +1,8 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
 /*
  * MPC8313E RDB Device Tree Source
  *
  * Copyright 2005, 2006, 2007 Freescale Semiconductor Inc.
- *
- * This program is free software; you can redistribute  it and/or modify it
- * under  the terms of  the GNU General  Public License as published by the
- * Free Software Foundation;  either version 2 of the  License, or (at your
- * option) any later version.
  */
 
 /dts-v1/;
diff --git a/dts/src/powerpc/mpc8315erdb.dts b/dts/src/powerpc/mpc8315erdb.dts
index ca5139e..e09b37d 100644
--- a/dts/src/powerpc/mpc8315erdb.dts
+++ b/dts/src/powerpc/mpc8315erdb.dts
@@ -1,12 +1,8 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
 /*
  * MPC8315E RDB Device Tree Source
  *
  * Copyright 2007 Freescale Semiconductor Inc.
- *
- * This program is free software; you can redistribute  it and/or modify it
- * under  the terms of  the GNU General  Public License as published by the
- * Free Software Foundation;  either version 2 of the  License, or (at your
- * option) any later version.
  */
 
 /dts-v1/;
diff --git a/dts/src/powerpc/mpc832x_mds.dts b/dts/src/powerpc/mpc832x_mds.dts
index 49c7d65..3af073f 100644
--- a/dts/src/powerpc/mpc832x_mds.dts
+++ b/dts/src/powerpc/mpc832x_mds.dts
@@ -1,12 +1,9 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
 /*
  * MPC8323E EMDS Device Tree Source
  *
  * Copyright 2006 Freescale Semiconductor Inc.
  *
- * This program is free software; you can redistribute  it and/or modify it
- * under  the terms of  the GNU General  Public License as published by the
- * Free Software Foundation;  either version 2 of the  License, or (at your
- * option) any later version.
 
  * To enable external serial I/O on a Freescale MPC 8323 SYS/MDS board, do
  * this:
diff --git a/dts/src/powerpc/mpc832x_rdb.dts b/dts/src/powerpc/mpc832x_rdb.dts
index be6ef35..b625718 100644
--- a/dts/src/powerpc/mpc832x_rdb.dts
+++ b/dts/src/powerpc/mpc832x_rdb.dts
@@ -1,12 +1,8 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
 /*
  * MPC832x RDB Device Tree Source
  *
  * Copyright 2007 Freescale Semiconductor Inc.
- *
- * This program is free software; you can redistribute  it and/or modify it
- * under  the terms of  the GNU General  Public License as published by the
- * Free Software Foundation;  either version 2 of the  License, or (at your
- * option) any later version.
  */
 
 /dts-v1/;
diff --git a/dts/src/powerpc/mpc8349emitx.dts b/dts/src/powerpc/mpc8349emitx.dts
index 648a858..d4ebbb9 100644
--- a/dts/src/powerpc/mpc8349emitx.dts
+++ b/dts/src/powerpc/mpc8349emitx.dts
@@ -1,12 +1,8 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
 /*
  * MPC8349E-mITX Device Tree Source
  *
  * Copyright 2006 Freescale Semiconductor Inc.
- *
- * This program is free software; you can redistribute it and/or modify it
- * under the terms of the GNU General Public License as published by the
- * Free Software Foundation; either version 2 of the License, or (at your
- * option) any later version.
  */
 
 /dts-v1/;
diff --git a/dts/src/powerpc/mpc8349emitxgp.dts b/dts/src/powerpc/mpc8349emitxgp.dts
index f00066d..bcf68a0 100644
--- a/dts/src/powerpc/mpc8349emitxgp.dts
+++ b/dts/src/powerpc/mpc8349emitxgp.dts
@@ -1,12 +1,8 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
 /*
  * MPC8349E-mITX-GP Device Tree Source
  *
  * Copyright 2007 Freescale Semiconductor Inc.
- *
- * This program is free software; you can redistribute it and/or modify it
- * under the terms of the GNU General Public License as published by the
- * Free Software Foundation; either version 2 of the License, or (at your
- * option) any later version.
  */
 
 /dts-v1/;
diff --git a/dts/src/powerpc/mpc834x_mds.dts b/dts/src/powerpc/mpc834x_mds.dts
index 4843c3f..6c8cb85 100644
--- a/dts/src/powerpc/mpc834x_mds.dts
+++ b/dts/src/powerpc/mpc834x_mds.dts
@@ -1,12 +1,8 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
 /*
  * MPC8349E MDS Device Tree Source
  *
  * Copyright 2005, 2006 Freescale Semiconductor Inc.
- *
- * This program is free software; you can redistribute  it and/or modify it
- * under  the terms of  the GNU General  Public License as published by the
- * Free Software Foundation;  either version 2 of the  License, or (at your
- * option) any later version.
  */
 
 /dts-v1/;
diff --git a/dts/src/powerpc/mpc836x_mds.dts b/dts/src/powerpc/mpc836x_mds.dts
index 539fd9f..f4ca12e 100644
--- a/dts/src/powerpc/mpc836x_mds.dts
+++ b/dts/src/powerpc/mpc836x_mds.dts
@@ -1,12 +1,8 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
 /*
  * MPC8360E EMDS Device Tree Source
  *
  * Copyright 2006 Freescale Semiconductor Inc.
- *
- * This program is free software; you can redistribute  it and/or modify it
- * under  the terms of  the GNU General  Public License as published by the
- * Free Software Foundation;  either version 2 of the  License, or (at your
- * option) any later version.
  */
 
 
diff --git a/dts/src/powerpc/mpc836x_rdk.dts b/dts/src/powerpc/mpc836x_rdk.dts
index 47c5fc6..a0cc195 100644
--- a/dts/src/powerpc/mpc836x_rdk.dts
+++ b/dts/src/powerpc/mpc836x_rdk.dts
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
 /*
  * MPC8360E RDK Device Tree Source
  *
@@ -5,11 +6,6 @@
  * Copyright 2007-2008 MontaVista Software, Inc.
  *
  * Author: Anton Vorontsov <avorontsov@ru.mvista.com>
- *
- * This program is free software; you can redistribute  it and/or modify it
- * under  the terms of  the GNU General  Public License as published by the
- * Free Software Foundation;  either version 2 of the  License, or (at your
- * option) any later version.
  */
 
 /dts-v1/;
diff --git a/dts/src/powerpc/mpc8377_mds.dts b/dts/src/powerpc/mpc8377_mds.dts
index c2c062e..9227bce 100644
--- a/dts/src/powerpc/mpc8377_mds.dts
+++ b/dts/src/powerpc/mpc8377_mds.dts
@@ -1,12 +1,8 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
 /*
  * MPC8377E MDS Device Tree Source
  *
  * Copyright 2007 Freescale Semiconductor Inc.
- *
- * This program is free software; you can redistribute  it and/or modify it
- * under  the terms of  the GNU General  Public License as published by the
- * Free Software Foundation;  either version 2 of the  License, or (at your
- * option) any later version.
  */
 
 /dts-v1/;
diff --git a/dts/src/powerpc/mpc8377_rdb.dts b/dts/src/powerpc/mpc8377_rdb.dts
index 5e85d8c..7df452e 100644
--- a/dts/src/powerpc/mpc8377_rdb.dts
+++ b/dts/src/powerpc/mpc8377_rdb.dts
@@ -1,12 +1,8 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
 /*
  * MPC8377E RDB Device Tree Source
  *
  * Copyright 2007, 2008 Freescale Semiconductor Inc.
- *
- * This program is free software; you can redistribute  it and/or modify it
- * under  the terms of  the GNU General  Public License as published by the
- * Free Software Foundation;  either version 2 of the  License, or (at your
- * option) any later version.
  */
 
 /dts-v1/;
diff --git a/dts/src/powerpc/mpc8377_wlan.dts b/dts/src/powerpc/mpc8377_wlan.dts
index fee15fc..d8e7d40 100644
--- a/dts/src/powerpc/mpc8377_wlan.dts
+++ b/dts/src/powerpc/mpc8377_wlan.dts
@@ -1,13 +1,9 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
 /*
  * MPC8377E WLAN Device Tree Source
  *
  * Copyright 2007-2009 Freescale Semiconductor Inc.
  * Copyright 2009 MontaVista Software, Inc.
- *
- * This program is free software; you can redistribute  it and/or modify it
- * under  the terms of  the GNU General  Public License as published by the
- * Free Software Foundation;  either version 2 of the  License, or (at your
- * option) any later version.
  */
 
 /dts-v1/;
diff --git a/dts/src/powerpc/mpc8378_mds.dts b/dts/src/powerpc/mpc8378_mds.dts
index 1b82b77..e45b255 100644
--- a/dts/src/powerpc/mpc8378_mds.dts
+++ b/dts/src/powerpc/mpc8378_mds.dts
@@ -1,12 +1,8 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
 /*
  * MPC8378E MDS Device Tree Source
  *
  * Copyright 2007 Freescale Semiconductor Inc.
- *
- * This program is free software; you can redistribute  it and/or modify it
- * under  the terms of  the GNU General  Public License as published by the
- * Free Software Foundation;  either version 2 of the  License, or (at your
- * option) any later version.
  */
 
 /dts-v1/;
diff --git a/dts/src/powerpc/mpc8378_rdb.dts b/dts/src/powerpc/mpc8378_rdb.dts
index e973d61..bdcfe83 100644
--- a/dts/src/powerpc/mpc8378_rdb.dts
+++ b/dts/src/powerpc/mpc8378_rdb.dts
@@ -1,12 +1,8 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
 /*
  * MPC8378E RDB Device Tree Source
  *
  * Copyright 2007, 2008 Freescale Semiconductor Inc.
- *
- * This program is free software; you can redistribute  it and/or modify it
- * under  the terms of  the GNU General  Public License as published by the
- * Free Software Foundation;  either version 2 of the  License, or (at your
- * option) any later version.
  */
 
 /dts-v1/;
diff --git a/dts/src/powerpc/mpc8379_mds.dts b/dts/src/powerpc/mpc8379_mds.dts
index 38e5048..f7379a1 100644
--- a/dts/src/powerpc/mpc8379_mds.dts
+++ b/dts/src/powerpc/mpc8379_mds.dts
@@ -1,12 +1,8 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
 /*
  * MPC8379E MDS Device Tree Source
  *
  * Copyright 2007 Freescale Semiconductor Inc.
- *
- * This program is free software; you can redistribute  it and/or modify it
- * under  the terms of  the GNU General  Public License as published by the
- * Free Software Foundation;  either version 2 of the  License, or (at your
- * option) any later version.
  */
 
 /dts-v1/;
diff --git a/dts/src/powerpc/mpc8379_rdb.dts b/dts/src/powerpc/mpc8379_rdb.dts
index ed5d12f..a5f7023 100644
--- a/dts/src/powerpc/mpc8379_rdb.dts
+++ b/dts/src/powerpc/mpc8379_rdb.dts
@@ -1,12 +1,8 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
 /*
  * MPC8379E RDB Device Tree Source
  *
  * Copyright 2007, 2008 Freescale Semiconductor Inc.
- *
- * This program is free software; you can redistribute  it and/or modify it
- * under  the terms of  the GNU General  Public License as published by the
- * Free Software Foundation;  either version 2 of the  License, or (at your
- * option) any later version.
  */
 
 /dts-v1/;
diff --git a/dts/src/powerpc/mpc866ads.dts b/dts/src/powerpc/mpc866ads.dts
index 4443fac..ff60d67 100644
--- a/dts/src/powerpc/mpc866ads.dts
+++ b/dts/src/powerpc/mpc866ads.dts
@@ -1,13 +1,9 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
 /*
  * MPC866 ADS Device Tree Source
  *
  * Copyright 2006 MontaVista Software, Inc.
  * Copyright 2008 Freescale Semiconductor, Inc.
- *
- * This program is free software; you can redistribute  it and/or modify it
- * under  the terms of  the GNU General  Public License as published by the
- * Free Software Foundation;  either version 2 of the  License, or (at your
- * option) any later version.
  */
 
 /dts-v1/;
diff --git a/dts/src/powerpc/mpc885ads.dts b/dts/src/powerpc/mpc885ads.dts
index 3aa300a..be58e7f 100644
--- a/dts/src/powerpc/mpc885ads.dts
+++ b/dts/src/powerpc/mpc885ads.dts
@@ -1,13 +1,9 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
 /*
  * MPC885 ADS Device Tree Source
  *
  * Copyright 2006 MontaVista Software, Inc.
  * Copyright 2007,2008 Freescale Semiconductor, Inc.
- *
- * This program is free software; you can redistribute  it and/or modify it
- * under  the terms of  the GNU General  Public License as published by the
- * Free Software Foundation;  either version 2 of the  License, or (at your
- * option) any later version.
  */
 
 /dts-v1/;
diff --git a/dts/src/powerpc/mucmc52.dts b/dts/src/powerpc/mucmc52.dts
index d3a792b..c6c6630 100644
--- a/dts/src/powerpc/mucmc52.dts
+++ b/dts/src/powerpc/mucmc52.dts
@@ -1,14 +1,10 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
 /*
  * Manroland mucmc52 board Device Tree Source
  *
  * Copyright (C) 2009 DENX Software Engineering GmbH
  * Heiko Schocher <hs@denx.de>
  * Copyright 2006-2007 Secret Lab Technologies Ltd.
- *
- * This program is free software; you can redistribute  it and/or modify it
- * under  the terms of  the GNU General  Public License as published by the
- * Free Software Foundation;  either version 2 of the  License, or (at your
- * option) any later version.
  */
 
 /include/ "mpc5200b.dtsi"
diff --git a/dts/src/powerpc/o2d.dts b/dts/src/powerpc/o2d.dts
index 9f6dd4d..24a46f6 100644
--- a/dts/src/powerpc/o2d.dts
+++ b/dts/src/powerpc/o2d.dts
@@ -1,13 +1,9 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
 /*
  * O2D Device Tree Source
  *
  * Copyright (C) 2012 DENX Software Engineering
  * Anatolij Gustschin <agust@denx.de>
- *
- * This program is free software; you can redistribute  it and/or modify it
- * under  the terms of  the GNU General  Public License as published by the
- * Free Software Foundation;  either version 2 of the  License, or (at your
- * option) any later version.
  */
 
 /include/ "o2d.dtsi"
diff --git a/dts/src/powerpc/o2d.dtsi b/dts/src/powerpc/o2d.dtsi
index cf073e6..6661955 100644
--- a/dts/src/powerpc/o2d.dtsi
+++ b/dts/src/powerpc/o2d.dtsi
@@ -1,13 +1,9 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
 /*
  * O2D base Device Tree Source
  *
  * Copyright (C) 2012 DENX Software Engineering
  * Anatolij Gustschin <agust@denx.de>
- *
- * This program is free software; you can redistribute  it and/or modify it
- * under  the terms of  the GNU General  Public License as published by the
- * Free Software Foundation;  either version 2 of the  License, or (at your
- * option) any later version.
  */
 
 /include/ "mpc5200b.dtsi"
diff --git a/dts/src/powerpc/o2d300.dts b/dts/src/powerpc/o2d300.dts
index 29affe0..55a25b7 100644
--- a/dts/src/powerpc/o2d300.dts
+++ b/dts/src/powerpc/o2d300.dts
@@ -1,13 +1,9 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
 /*
  * O2D300 Device Tree Source
  *
  * Copyright (C) 2012 DENX Software Engineering
  * Anatolij Gustschin <agust@denx.de>
- *
- * This program is free software; you can redistribute  it and/or modify it
- * under  the terms of  the GNU General  Public License as published by the
- * Free Software Foundation;  either version 2 of the  License, or (at your
- * option) any later version.
  */
 
 /include/ "o2d.dtsi"
diff --git a/dts/src/powerpc/o2dnt2.dts b/dts/src/powerpc/o2dnt2.dts
index a0f5b97..eeba7f5 100644
--- a/dts/src/powerpc/o2dnt2.dts
+++ b/dts/src/powerpc/o2dnt2.dts
@@ -1,13 +1,9 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
 /*
  * O2DNT2 Device Tree Source
  *
  * Copyright (C) 2012 DENX Software Engineering
  * Anatolij Gustschin <agust@denx.de>
- *
- * This program is free software; you can redistribute  it and/or modify it
- * under  the terms of  the GNU General  Public License as published by the
- * Free Software Foundation;  either version 2 of the  License, or (at your
- * option) any later version.
  */
 
 /include/ "o2d.dtsi"
diff --git a/dts/src/powerpc/o2i.dts b/dts/src/powerpc/o2i.dts
index e3cc99d..3fb2e0a 100644
--- a/dts/src/powerpc/o2i.dts
+++ b/dts/src/powerpc/o2i.dts
@@ -1,13 +1,9 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
 /*
  * O2I Device Tree Source
  *
  * Copyright (C) 2012 DENX Software Engineering
  * Anatolij Gustschin <agust@denx.de>
- *
- * This program is free software; you can redistribute  it and/or modify it
- * under  the terms of  the GNU General  Public License as published by the
- * Free Software Foundation;  either version 2 of the  License, or (at your
- * option) any later version.
  */
 
 /include/ "o2d.dtsi"
diff --git a/dts/src/powerpc/o2mnt.dts b/dts/src/powerpc/o2mnt.dts
index d91859a..c5e0ba6 100644
--- a/dts/src/powerpc/o2mnt.dts
+++ b/dts/src/powerpc/o2mnt.dts
@@ -1,13 +1,9 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
 /*
  * O2MNT Device Tree Source
  *
  * Copyright (C) 2012 DENX Software Engineering
  * Anatolij Gustschin <agust@denx.de>
- *
- * This program is free software; you can redistribute  it and/or modify it
- * under  the terms of  the GNU General  Public License as published by the
- * Free Software Foundation;  either version 2 of the  License, or (at your
- * option) any later version.
  */
 
 /include/ "o2d.dtsi"
diff --git a/dts/src/powerpc/o3dnt.dts b/dts/src/powerpc/o3dnt.dts
index acce493..fd00396 100644
--- a/dts/src/powerpc/o3dnt.dts
+++ b/dts/src/powerpc/o3dnt.dts
@@ -1,13 +1,9 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
 /*
  * O3DNT Device Tree Source
  *
  * Copyright (C) 2012 DENX Software Engineering
  * Anatolij Gustschin <agust@denx.de>
- *
- * This program is free software; you can redistribute  it and/or modify it
- * under  the terms of  the GNU General  Public License as published by the
- * Free Software Foundation;  either version 2 of the  License, or (at your
- * option) any later version.
  */
 
 /include/ "o2d.dtsi"
diff --git a/dts/src/powerpc/pcm030.dts b/dts/src/powerpc/pcm030.dts
index 836e47c..b1bc731 100644
--- a/dts/src/powerpc/pcm030.dts
+++ b/dts/src/powerpc/pcm030.dts
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
 /*
  * phyCORE-MPC5200B-tiny (pcm030) board Device Tree Source
  *
@@ -5,11 +6,6 @@
  * Sascha Hauer <s.hauer@pengutronix.de>
  * Copyright 2007 Pengutronix
  * Juergen Beisert <j.beisert@pengutronix.de>
- *
- * This program is free software; you can redistribute  it and/or modify it
- * under  the terms of  the GNU General  Public License as published by the
- * Free Software Foundation;  either version 2 of the  License, or (at your
- * option) any later version.
  */
 
 /include/ "mpc5200b.dtsi"
diff --git a/dts/src/powerpc/pcm032.dts b/dts/src/powerpc/pcm032.dts
index 576249b..c259c6b 100644
--- a/dts/src/powerpc/pcm032.dts
+++ b/dts/src/powerpc/pcm032.dts
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
 /*
  * phyCORE-MPC5200B-IO (pcm032) board Device Tree Source
  *
@@ -5,11 +6,6 @@
  * Sascha Hauer <s.hauer@pengutronix.de>
  * Juergen Beisert <j.beisert@pengutronix.de>
  * Wolfram Sang <w.sang@pengutronix.de>
- *
- * This program is free software; you can redistribute  it and/or modify it
- * under  the terms of  the GNU General  Public License as published by the
- * Free Software Foundation;  either version 2 of the  License, or (at your
- * option) any later version.
  */
 
 /include/ "mpc5200b.dtsi"
diff --git a/dts/src/powerpc/pdm360ng.dts b/dts/src/powerpc/pdm360ng.dts
index df1283b..67c3b9d 100644
--- a/dts/src/powerpc/pdm360ng.dts
+++ b/dts/src/powerpc/pdm360ng.dts
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
 /*
  * Device Tree Source for IFM PDM360NG.
  *
@@ -6,11 +7,6 @@
  *
  * Based on MPC5121E ADS dts.
  * Copyright 2008 Freescale Semiconductor Inc.
- *
- * This program is free software; you can redistribute it and/or modify it
- * under the terms of the GNU General Public License as published by the
- * Free Software Foundation; either version 2 of the License, or (at your
- * option) any later version.
  */
 
 #include "mpc5121.dtsi"
diff --git a/dts/src/powerpc/pq2fads.dts b/dts/src/powerpc/pq2fads.dts
index a477615..b666621 100644
--- a/dts/src/powerpc/pq2fads.dts
+++ b/dts/src/powerpc/pq2fads.dts
@@ -1,12 +1,8 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
 /*
  * Device Tree for the PQ2FADS-ZU board with an MPC8280 chip.
  *
  * Copyright 2007,2008 Freescale Semiconductor Inc.
- *
- * This program is free software; you can redistribute  it and/or modify it
- * under  the terms of  the GNU General  Public License as published by the
- * Free Software Foundation;  either version 2 of the  License, or (at your
- * option) any later version.
  */
 
 /dts-v1/;
diff --git a/dts/src/powerpc/ps3.dts b/dts/src/powerpc/ps3.dts
index 96ba5b5..6bdfba6 100644
--- a/dts/src/powerpc/ps3.dts
+++ b/dts/src/powerpc/ps3.dts
@@ -1,21 +1,9 @@
+// SPDX-License-Identifier: GPL-2.0-only
 /*
  *  PS3 Game Console device tree.
  *
  *  Copyright (C) 2007 Sony Computer Entertainment Inc.
  *  Copyright 2007 Sony Corp.
- *
- *  This program is free software; you can redistribute it and/or modify
- *  it under the terms of the GNU General Public License as published by
- *  the Free Software Foundation; version 2 of the License.
- *
- *  This program is distributed in the hope that it will be useful,
- *  but WITHOUT ANY WARRANTY; without even the implied warranty of
- *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- *  GNU General Public License for more details.
- *
- *  You should have received a copy of the GNU General Public License
- *  along with this program; if not, write to the Free Software
- *  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
  */
 
 /dts-v1/;
diff --git a/dts/src/powerpc/sbc8548-altflash.dts b/dts/src/powerpc/sbc8548-altflash.dts
index 8967a56..bb7a1e7 100644
--- a/dts/src/powerpc/sbc8548-altflash.dts
+++ b/dts/src/powerpc/sbc8548-altflash.dts
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
 /*
  * SBC8548 Device Tree Source
  *
@@ -7,11 +8,6 @@
  * Copyright 2013 Wind River Systems Inc.
  *
  * Paul Gortmaker (see MAINTAINERS for contact information)
- *
- * This program is free software; you can redistribute  it and/or modify it
- * under  the terms of  the GNU General  Public License as published by the
- * Free Software Foundation;  either version 2 of the  License, or (at your
- * option) any later version.
  */
 
 
diff --git a/dts/src/powerpc/sbc8548-post.dtsi b/dts/src/powerpc/sbc8548-post.dtsi
index 9b505c8..9d848d4 100644
--- a/dts/src/powerpc/sbc8548-post.dtsi
+++ b/dts/src/powerpc/sbc8548-post.dtsi
@@ -1,14 +1,10 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
 /*
  * SBC8548 Device Tree Source
  *
  * Copyright 2007 Wind River Systems Inc.
  *
  * Paul Gortmaker (see MAINTAINERS for contact information)
- *
- * This program is free software; you can redistribute  it and/or modify it
- * under  the terms of  the GNU General  Public License as published by the
- * Free Software Foundation;  either version 2 of the  License, or (at your
- * option) any later version.
  */
 
 /{
diff --git a/dts/src/powerpc/sbc8548-pre.dtsi b/dts/src/powerpc/sbc8548-pre.dtsi
index d8c6629..0e3665f 100644
--- a/dts/src/powerpc/sbc8548-pre.dtsi
+++ b/dts/src/powerpc/sbc8548-pre.dtsi
@@ -1,14 +1,10 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
 /*
  * SBC8548 Device Tree Source
  *
  * Copyright 2007 Wind River Systems Inc.
  *
  * Paul Gortmaker (see MAINTAINERS for contact information)
- *
- * This program is free software; you can redistribute  it and/or modify it
- * under  the terms of  the GNU General  Public License as published by the
- * Free Software Foundation;  either version 2 of the  License, or (at your
- * option) any later version.
  */
 
 /{
diff --git a/dts/src/powerpc/sbc8548.dts b/dts/src/powerpc/sbc8548.dts
index 9bdb828..ce0a119 100644
--- a/dts/src/powerpc/sbc8548.dts
+++ b/dts/src/powerpc/sbc8548.dts
@@ -1,14 +1,10 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
 /*
  * SBC8548 Device Tree Source
  *
  * Copyright 2007 Wind River Systems Inc.
  *
  * Paul Gortmaker (see MAINTAINERS for contact information)
- *
- * This program is free software; you can redistribute  it and/or modify it
- * under  the terms of  the GNU General  Public License as published by the
- * Free Software Foundation;  either version 2 of the  License, or (at your
- * option) any later version.
  */
 
 
diff --git a/dts/src/powerpc/socrates.dts b/dts/src/powerpc/socrates.dts
index 134a5ff..00a56e8 100644
--- a/dts/src/powerpc/socrates.dts
+++ b/dts/src/powerpc/socrates.dts
@@ -1,13 +1,9 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
 /*
  * Device Tree Source for the Socrates board (MPC8544).
  *
  * Copyright (c) 2008 Emcraft Systems.
  * Sergei Poselenov, <sposelenov@emcraft.com>
- *
- * This program is free software; you can redistribute  it and/or modify it
- * under  the terms of  the GNU General  Public License as published by the
- * Free Software Foundation;  either version 2 of the  License, or (at your
- * option) any later version.
  */
 
 /dts-v1/;
diff --git a/dts/src/powerpc/stx_gp3_8560.dts b/dts/src/powerpc/stx_gp3_8560.dts
index 78a72ee..d1ab698 100644
--- a/dts/src/powerpc/stx_gp3_8560.dts
+++ b/dts/src/powerpc/stx_gp3_8560.dts
@@ -1,12 +1,8 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
 /*
  * STX GP3 - 8560 ADS Device Tree Source
  *
  * Copyright 2008 Freescale Semiconductor Inc.
- *
- * This program is free software; you can redistribute  it and/or modify it
- * under  the terms of  the GNU General  Public License as published by the
- * Free Software Foundation;  either version 2 of the  License, or (at your
- * option) any later version.
  */
 
 /dts-v1/;
diff --git a/dts/src/powerpc/stxssa8555.dts b/dts/src/powerpc/stxssa8555.dts
index 859f854..5dca2a9 100644
--- a/dts/src/powerpc/stxssa8555.dts
+++ b/dts/src/powerpc/stxssa8555.dts
@@ -1,14 +1,10 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
 /*
  * MPC8555-based STx GP3 Device Tree Source
  *
  * Copyright 2006, 2008 Freescale Semiconductor Inc.
  *
  * Copyright 2010 Silicon Turnkey Express LLC.
- *
- * This program is free software; you can redistribute  it and/or modify it
- * under  the terms of  the GNU General  Public License as published by the
- * Free Software Foundation;  either version 2 of the  License, or (at your
- * option) any later version.
  */
 
 /dts-v1/;
diff --git a/dts/src/powerpc/tqm5200.dts b/dts/src/powerpc/tqm5200.dts
index 1db07f6..9ed0bc7 100644
--- a/dts/src/powerpc/tqm5200.dts
+++ b/dts/src/powerpc/tqm5200.dts
@@ -1,13 +1,9 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
 /*
  * TQM5200 board Device Tree Source
  *
  * Copyright (C) 2007 Semihalf
  * Marian Balakowicz <m8@semihalf.com>
- *
- * This program is free software; you can redistribute  it and/or modify it
- * under  the terms of  the GNU General  Public License as published by the
- * Free Software Foundation;  either version 2 of the  License, or (at your
- * option) any later version.
  */
 
 /dts-v1/;
diff --git a/dts/src/powerpc/tqm8540.dts b/dts/src/powerpc/tqm8540.dts
index 91cbd7a..9c1eb97 100644
--- a/dts/src/powerpc/tqm8540.dts
+++ b/dts/src/powerpc/tqm8540.dts
@@ -1,12 +1,8 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
 /*
  * TQM 8540 Device Tree Source
  *
  * Copyright 2008 Freescale Semiconductor Inc.
- *
- * This program is free software; you can redistribute  it and/or modify it
- * under  the terms of  the GNU General  Public License as published by the
- * Free Software Foundation;  either version 2 of the  License, or (at your
- * option) any later version.
  */
 
 /dts-v1/;
diff --git a/dts/src/powerpc/tqm8541.dts b/dts/src/powerpc/tqm8541.dts
index 84dce2d..44595cf 100644
--- a/dts/src/powerpc/tqm8541.dts
+++ b/dts/src/powerpc/tqm8541.dts
@@ -1,12 +1,8 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
 /*
  * TQM 8541 Device Tree Source
  *
  * Copyright 2008 Freescale Semiconductor Inc.
- *
- * This program is free software; you can redistribute  it and/or modify it
- * under  the terms of  the GNU General  Public License as published by the
- * Free Software Foundation;  either version 2 of the  License, or (at your
- * option) any later version.
  */
 
 /dts-v1/;
diff --git a/dts/src/powerpc/tqm8548-bigflash.dts b/dts/src/powerpc/tqm8548-bigflash.dts
index 7a333dd..caa36c5 100644
--- a/dts/src/powerpc/tqm8548-bigflash.dts
+++ b/dts/src/powerpc/tqm8548-bigflash.dts
@@ -1,13 +1,9 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
 /*
  * TQM8548 Device Tree Source
  *
  * Copyright 2006 Freescale Semiconductor Inc.
  * Copyright 2008 Wolfgang Grandegger <wg@denx.de>
- *
- * This program is free software; you can redistribute  it and/or modify it
- * under  the terms of  the GNU General  Public License as published by the
- * Free Software Foundation;  either version 2 of the  License, or (at your
- * option) any later version.
  */
 
 /dts-v1/;
diff --git a/dts/src/powerpc/tqm8548.dts b/dts/src/powerpc/tqm8548.dts
index c737caf..12a6441 100644
--- a/dts/src/powerpc/tqm8548.dts
+++ b/dts/src/powerpc/tqm8548.dts
@@ -1,13 +1,9 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
 /*
  * TQM8548 Device Tree Source
  *
  * Copyright 2006 Freescale Semiconductor Inc.
  * Copyright 2008 Wolfgang Grandegger <wg@denx.de>
- *
- * This program is free software; you can redistribute  it and/or modify it
- * under  the terms of  the GNU General  Public License as published by the
- * Free Software Foundation;  either version 2 of the  License, or (at your
- * option) any later version.
  */
 
 /dts-v1/;
diff --git a/dts/src/powerpc/tqm8555.dts b/dts/src/powerpc/tqm8555.dts
index d0416a5..54f3e82 100644
--- a/dts/src/powerpc/tqm8555.dts
+++ b/dts/src/powerpc/tqm8555.dts
@@ -1,12 +1,8 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
 /*
  * TQM 8555 Device Tree Source
  *
  * Copyright 2008 Freescale Semiconductor Inc.
- *
- * This program is free software; you can redistribute  it and/or modify it
- * under  the terms of  the GNU General  Public License as published by the
- * Free Software Foundation;  either version 2 of the  License, or (at your
- * option) any later version.
  */
 
 /dts-v1/;
diff --git a/dts/src/powerpc/tqm8560.dts b/dts/src/powerpc/tqm8560.dts
index f9a11eb..7415cb6 100644
--- a/dts/src/powerpc/tqm8560.dts
+++ b/dts/src/powerpc/tqm8560.dts
@@ -1,13 +1,9 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
 /*
  * TQM 8560 Device Tree Source
  *
  * Copyright 2008 Freescale Semiconductor Inc.
  * Copyright 2008 Wolfgang Grandegger <wg@grandegger.com>
- *
- * This program is free software; you can redistribute  it and/or modify it
- * under  the terms of  the GNU General  Public License as published by the
- * Free Software Foundation;  either version 2 of the  License, or (at your
- * option) any later version.
  */
 
 /dts-v1/;
diff --git a/dts/src/powerpc/tqm8xx.dts b/dts/src/powerpc/tqm8xx.dts
index 3d1446b..d16cdfd 100644
--- a/dts/src/powerpc/tqm8xx.dts
+++ b/dts/src/powerpc/tqm8xx.dts
@@ -1,13 +1,9 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
 /*
  * TQM8XX Device Tree Source
  *
  * Heiko Schocher <hs@denx.de>
  * 2010 DENX Software Engineering GmbH
- *
- * This program is free software; you can redistribute  it and/or modify it
- * under  the terms of  the GNU General  Public License as published by the
- * Free Software Foundation;  either version 2 of the  License, or (at your
- * option) any later version.
  */
 
 /dts-v1/;
diff --git a/dts/src/powerpc/uc101.dts b/dts/src/powerpc/uc101.dts
index 5c46219..2e34d01 100644
--- a/dts/src/powerpc/uc101.dts
+++ b/dts/src/powerpc/uc101.dts
@@ -1,14 +1,10 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
 /*
  * Manroland uc101 board Device Tree Source
  *
  * Copyright (C) 2009 DENX Software Engineering GmbH
  * Heiko Schocher <hs@denx.de>
  * Copyright 2006-2007 Secret Lab Technologies Ltd.
- *
- * This program is free software; you can redistribute  it and/or modify it
- * under  the terms of  the GNU General  Public License as published by the
- * Free Software Foundation;  either version 2 of the  License, or (at your
- * option) any later version.
  */
 
 /include/ "mpc5200b.dtsi"
diff --git a/dts/src/powerpc/wii.dts b/dts/src/powerpc/wii.dts
index c406bdb..aaa381d 100644
--- a/dts/src/powerpc/wii.dts
+++ b/dts/src/powerpc/wii.dts
@@ -1,15 +1,10 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
 /*
  * arch/powerpc/boot/dts/wii.dts
  *
  * Nintendo Wii platform device tree source
  * Copyright (C) 2008-2009 The GameCube Linux Team
  * Copyright (C) 2008,2009 Albert Herranz
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License
- * as published by the Free Software Foundation; either version 2
- * of the License, or (at your option) any later version.
- *
  */
 
 /dts-v1/;