Nowadays we have AR9331 devicetree from linux v4.7-rc2
in the file dts/src/mips/qca/ar9331.dtsi.

Signed-off-by: Antony Pavlov <antonynpavlov@gmail.com>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>

Also sync black-swift.dts with tplink-mr3020.dts.

And also see this linux kernel commit:

    commit 2c3694d
    Author: Antony Pavlov <antonynpavlov@gmail.com>
    Date:   Thu Mar 17 06:34:19 2016 +0300

        MIPS: ath79: add initial support for TP-LINK MR3020

Signed-off-by: Antony Pavlov <antonynpavlov@gmail.com>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>

Signed-off-by: Antony Pavlov <antonynpavlov@gmail.com>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>

Please see these linux kernel ath79 commits:

    commit 1e6a349
    Author: Antony Pavlov <antonynpavlov@gmail.com>
    Date:   Thu Mar 17 06:34:17 2016 +0300

        MIPS: dts: qca: introduce AR9331 devicetree

    commit 5ae5c45
    Author: Antony Pavlov <antonynpavlov@gmail.com>
    Date:   Thu Mar 17 06:34:18 2016 +0300

        MIPS: ath79: update devicetree clock support for AR9331

Signed-off-by: Antony Pavlov <antonynpavlov@gmail.com>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>

Signed-off-by: Antony Pavlov <antonynpavlov@gmail.com>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>

Signed-off-by: Antony Pavlov <antonynpavlov@gmail.com>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>

Conflicts:
	arch/mips/boards/loongson-ls1b/serial.c

barebox used to have its own include/dt-bindings with files copied
from the corresponding kernel files. Use upstream dt-bindings directly
instead.

Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>

Signed-off-by: Antony Pavlov <antonynpavlov@gmail.com>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>

This board support code can be used for TP-LINK WR703 too.

TP-LINK WR703 is very similar to TP-LINK MR3020, there are
some non-essential differences:

  * WR703 is smaller and cheaper;
  * WR703 has only one led, but MR3020 has five leds;
  * MR3020 uses mini-USB connector, WR703 uses micro-USB connector.

See https://forum.openwrt.org/viewtopic.php?id=45159 for details.

Signed-off-by: Antony Pavlov <antonynpavlov@gmail.com>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>