[PATCH 5/6] arm64: dts: imx8mp-skov: add revC BD500 board

[Ahmad Fatoum <a.fatoum@xxxxxxxxxxxxxx>]

The BD500 replaces the touch display with 3 bicolor LEDs and a push
button on top of a Skov i.MX8-CPU revision C.

Signed-off-by: Oleksij Rempel <o.rempel@xxxxxxxxxxxxxx>
Signed-off-by: Ahmad Fatoum <a.fatoum@xxxxxxxxxxxxxx>
---
 arch/arm64/boot/dts/freescale/Makefile             |  1 +
 .../boot/dts/freescale/imx8mp-skov-revc-bd500.dts  | 91 ++++++++++++++++++++++
 2 files changed, 92 insertions(+)

diff --git a/arch/arm64/boot/dts/freescale/Makefile b/arch/arm64/boot/dts/freescale/Makefile
index ea4da899b44be0aaac745f6a0503bed3bb8ba20c..6ee3a7ffe4792106118b8201c1f5f51c8ecd0ff2 100644
--- a/arch/arm64/boot/dts/freescale/Makefile
+++ b/arch/arm64/boot/dts/freescale/Makefile
@@ -197,6 +197,7 @@ dtb-$(CONFIG_ARCH_MXC) += imx8mp-skov-basic.dtb
 dtb-$(CONFIG_ARCH_MXC) += imx8mp-skov-revb-hdmi.dtb
 dtb-$(CONFIG_ARCH_MXC) += imx8mp-skov-revb-lt6.dtb
 dtb-$(CONFIG_ARCH_MXC) += imx8mp-skov-revb-mi1010ait-1cp1.dtb
+dtb-$(CONFIG_ARCH_MXC) += imx8mp-skov-revc-bd500.dtb
 dtb-$(CONFIG_ARCH_MXC) += imx8mp-tqma8mpql-mba8mpxl.dtb
 dtb-$(CONFIG_ARCH_MXC) += imx8mp-tqma8mpql-mba8mp-ras314.dtb
 dtb-$(CONFIG_ARCH_MXC) += imx8mp-var-som-symphony.dtb
diff --git a/arch/arm64/boot/dts/freescale/imx8mp-skov-revc-bd500.dts b/arch/arm64/boot/dts/freescale/imx8mp-skov-revc-bd500.dts
new file mode 100644
index 0000000000000000000000000000000000000000..b816c6cd3bca60b14cf6bc7f40cb780aa893958d
--- /dev/null
+++ b/arch/arm64/boot/dts/freescale/imx8mp-skov-revc-bd500.dts
@@ -0,0 +1,91 @@
+// SPDX-License-Identifier: (GPL-2.0 OR MIT)
+
+/dts-v1/;
+
+#include "imx8mp-skov-reva.dtsi"
+
+/ {
+	model = "SKOV IMX8MP CPU revC - bd500";
+	compatible = "skov,imx8mp-skov-revc-bd500", "fsl,imx8mp";
+
+	leds {
+		led_system_red: led-3 {
+			label = "bd500:system:red";
+			color = <LED_COLOR_ID_RED>;
+			/* Inverted compared to others due to NMOS inverter */
+			gpios = <&gpioexp 3 GPIO_ACTIVE_HIGH>;
+			default-state = "off";
+		};
+
+		led_system_green: led-4 {
+			label = "bd500:system:green";
+			color = <LED_COLOR_ID_GREEN>;
+			gpios = <&gpioexp 2 GPIO_ACTIVE_LOW>;
+			default-state = "on";
+		};
+
+		led_lan1_red: led-5 {
+			label = "bd500:lan1:act";
+			color = <LED_COLOR_ID_RED>;
+			linux,default-trigger = "netdev";
+			gpios = <&gpioexp 1 GPIO_ACTIVE_LOW>;
+		};
+
+		led_lan1_green: led-6 {
+			label = "bd500:lan1:link";
+			color = <LED_COLOR_ID_GREEN>;
+			linux,default-trigger = "netdev";
+			gpios = <&gpioexp 0 GPIO_ACTIVE_LOW>;
+		};
+
+		led_lan2_red: led-7 {
+			label = "bd500:lan2:act";
+			color = <LED_COLOR_ID_RED>;
+			linux,default-trigger = "netdev";
+			gpios = <&gpioexp 6 GPIO_ACTIVE_LOW>;
+		};
+
+		led_lan2_green: led-8 {
+			label = "bd500:lan2:link";
+			color = <LED_COLOR_ID_GREEN>;
+			linux,default-trigger = "netdev";
+			gpios = <&gpioexp 7 GPIO_ACTIVE_LOW>;
+		};
+	};
+
+	gpio-keys {
+		compatible = "gpio-keys";
+
+		button-1 {
+			label = "S1";
+			linux,code = <KEY_CONFIG>;
+			gpios = <&gpioexp 5 GPIO_ACTIVE_LOW>;
+		};
+	};
+};
+
+&i2c2 {
+	clock-frequency = <100000>;
+	status = "okay";
+
+	gpioexp: gpio@20 {
+		compatible = "nxp,pca6408";
+		reg = <0x20>;
+		pinctrl-names = "default";
+		pinctrl-0 = <&pinctrl_gpio_exp>;
+		interrupts-extended = <&gpio4 28 IRQ_TYPE_EDGE_FALLING>;
+		reset-gpios = <&gpio4 29 GPIO_ACTIVE_LOW>;
+		vcc-supply = <&reg_vdd_3v3>;
+		gpio-controller;
+		#gpio-cells = <2>;
+	};
+};
+
+&iomuxc {
+	pinctrl_gpio_exp: gpioexpgrp {
+		fsl,pins = <
+			MX8MP_IOMUXC_SAI3_RXFS__GPIO4_IO28	0x0
+			MX8MP_IOMUXC_SAI3_RXC__GPIO4_IO29	0x0
+		>;
+	};
+};

-- 
2.39.5