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

From: Ahmad Fatoum
Date: Mon Jan 13 2025 - 17:30:53 EST


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