From 4521bf754777c223b6c7bcceda7f01c057a07cee Mon Sep 17 00:00:00 2001
From: Jookia <contact@jookia.org>
Date: Wed, 12 Aug 2020 00:28:50 +1000
Subject: [PATCH 3/9] stm32mp157c-odyssey: Add Wi-Fi

---
 arch/arm/boot/dts/stm32mp15-pinctrl.dtsi  | 54 +++++++++++++++++++++++
 arch/arm/boot/dts/stm32mp157c-odyssey.dts | 25 +++++++++++
 2 files changed, 79 insertions(+)

diff --git a/arch/arm/boot/dts/stm32mp15-pinctrl.dtsi b/arch/arm/boot/dts/stm32mp15-pinctrl.dtsi
index b2329d29a2dc..1ab13fc1f5c6 100644
--- a/arch/arm/boot/dts/stm32mp15-pinctrl.dtsi
+++ b/arch/arm/boot/dts/stm32mp15-pinctrl.dtsi
@@ -1580,6 +1580,60 @@ pins {
 		};
 	};
 
+	sdmmc3_b4_pins_s: sdmmc3-b4-1 {
+		pins1 {
+			pinmux = <STM32_PINMUX('F', 0, AF9)>, /* SDMMC3_D0 */
+				 <STM32_PINMUX('F', 4, AF9)>, /* SDMMC3_D1 */
+				 <STM32_PINMUX('D', 5, AF10)>, /* SDMMC3_D2 */
+				 <STM32_PINMUX('D', 7, AF10)>, /* SDMMC3_D3 */
+				 <STM32_PINMUX('F', 1, AF9)>; /* SDMMC3_CMD */
+			slew-rate = <1>;
+			drive-push-pull;
+			bias-pull-up;
+		};
+		pins2 {
+			pinmux = <STM32_PINMUX('G', 15, AF10)>; /* SDMMC3_CLK */
+			slew-rate = <2>;
+			drive-push-pull;
+			bias-pull-up;
+		};
+	};
+
+	sdmmc3_b4_od_pins_s: sdmmc3-b4-od-1 {
+		pins1 {
+			pinmux = <STM32_PINMUX('F', 0, AF9)>, /* SDMMC3_D0 */
+				 <STM32_PINMUX('F', 4, AF9)>, /* SDMMC3_D1 */
+				 <STM32_PINMUX('D', 5, AF10)>, /* SDMMC3_D2 */
+				 <STM32_PINMUX('D', 7, AF10)>; /* SDMMC3_D3 */
+			slew-rate = <1>;
+			drive-push-pull;
+			bias-pull-up;
+		};
+		pins2 {
+			pinmux = <STM32_PINMUX('G', 15, AF10)>; /* SDMMC3_CLK */
+			slew-rate = <2>;
+			drive-push-pull;
+			bias-pull-up;
+		};
+		pins3 {
+			pinmux = <STM32_PINMUX('F', 1, AF9)>; /* SDMMC2_CMD */
+			slew-rate = <1>;
+			drive-open-drain;
+			bias-pull-up;
+		};
+	};
+
+	sdmmc3_b4_sleep_pins_s: sdmmc3-b4-sleep-1 {
+		pins {
+			pinmux = <STM32_PINMUX('F', 0, ANALOG)>, /* SDMMC3_D0 */
+				 <STM32_PINMUX('F', 4, ANALOG)>, /* SDMMC3_D1 */
+				 <STM32_PINMUX('D', 5, ANALOG)>, /* SDMMC3_D2 */
+				 <STM32_PINMUX('D', 7, ANALOG)>, /* SDMMC3_D3 */
+				 <STM32_PINMUX('G', 15, ANALOG)>, /* SDMMC3_CK */
+				 <STM32_PINMUX('F', 1, ANALOG)>; /* SDMMC3_CMD */
+		};
+	};
+
 	spdifrx_pins_a: spdifrx-0 {
 		pins {
 			pinmux = <STM32_PINMUX('G', 12, AF8)>; /* SPDIF_IN1 */
diff --git a/arch/arm/boot/dts/stm32mp157c-odyssey.dts b/arch/arm/boot/dts/stm32mp157c-odyssey.dts
index f9861e8fdb3a..787c001fadef 100644
--- a/arch/arm/boot/dts/stm32mp157c-odyssey.dts
+++ b/arch/arm/boot/dts/stm32mp157c-odyssey.dts
@@ -20,6 +20,12 @@ aliases {
 	chosen {
 		stdout-path = "serial0:115200n8";
 	};
+
+	wifi_pwrseq: wifi-pwrseq {
+		compatible = "mmc-pwrseq-simple";
+		reset-gpios = <&gpiod 9 GPIO_ACTIVE_LOW>;
+		post-power-on-delay-ms = <1>;
+	};
 };
 
 &ethernet0 {
@@ -72,6 +78,25 @@ &sdmmc1 {
 	status = "okay";
 };
 
+&sdmmc3 {
+	pinctrl-names = "default", "opendrain", "sleep";
+	pinctrl-0 = <&sdmmc3_b4_pins_s>;
+	pinctrl-1 = <&sdmmc3_b4_od_pins_s>;
+	pinctrl-2 = <&sdmmc3_b4_sleep_pins_s>;
+	bus-width = <4>;
+	vmmc-supply = <&v3v3>;
+	mmc-pwrseq = <&wifi_pwrseq>;
+	status = "okay";
+	keep-power-in-suspend;
+
+	#address-cells = <1>;
+	#size-cells = <0>;
+	brcmf: bcrmf@1 {
+		reg = <1>;
+		compatible = "brcm,bcm4329-fmac";
+	};
+};
+
 &uart4 {
 	pinctrl-names = "default";
 	pinctrl-0 = <&uart4_pins_a>;
-- 
2.29.2