arm64: dts: rockchip: Add leds node to Radxa E20C

Radxa E20C has three gpio controlled leds (sys, wan and lan).

Add led nodes and set default trigger to heartbeat for the sys led and
netdev for the lan and wan leds.

Signed-off-by: Jonas Karlman <jonas@kwiboo.se>
Link: https://lore.kernel.org/r/20250304201642.831218-2-jonas@kwiboo.se
Signed-off-by: Heiko Stuebner <heiko@sntech.de>

diff --git a/arch/arm64/boot/dts/rockchip/rk3528-radxa-e20c.dts b/arch/arm64/boot/dts/rockchip/rk3528-radxa-e20c.dts
index 5161d22330ab89dacd11b7c65ce6092531611438..7f0237206405afe88483105c04cb6dd913004a22 100644 (file)
--- a/arch/arm64/boot/dts/rockchip/rk3528-radxa-e20c.dts
+++ b/arch/arm64/boot/dts/rockchip/rk3528-radxa-e20c.dts
@@ -6,6 +6,8 @@
  */
 
 /dts-v1/;
+
+#include <dt-bindings/leds/common.h>
 #include "rk3528.dtsi"
 
 / {
@@ -15,6 +17,52 @@
        chosen {
                stdout-path = "serial0:1500000n8";
        };
+
+       leds {
+               compatible = "gpio-leds";
+               pinctrl-names = "default";
+               pinctrl-0 = <&lan_led_g>, <&sys_led_g>, <&wan_led_g>;
+
+               led-lan {
+                       color = <LED_COLOR_ID_GREEN>;
+                       default-state = "off";
+                       function = LED_FUNCTION_LAN;
+                       gpios = <&gpio4 RK_PB5 GPIO_ACTIVE_HIGH>;
+                       linux,default-trigger = "netdev";
+               };
+
+               led-sys {
+                       color = <LED_COLOR_ID_GREEN>;
+                       default-state = "on";
+                       function = LED_FUNCTION_HEARTBEAT;
+                       gpios = <&gpio4 RK_PC1 GPIO_ACTIVE_LOW>;
+                       linux,default-trigger = "heartbeat";
+               };
+
+               led-wan {
+                       color = <LED_COLOR_ID_GREEN>;
+                       default-state = "off";
+                       function = LED_FUNCTION_WAN;
+                       gpios = <&gpio4 RK_PC0 GPIO_ACTIVE_HIGH>;
+                       linux,default-trigger = "netdev";
+               };
+       };
+};
+
+&pinctrl {
+       leds {
+               lan_led_g: lan-led-g {
+                       rockchip,pins = <4 RK_PB5 RK_FUNC_GPIO &pcfg_pull_none>;
+               };
+
+               sys_led_g: sys-led-g {
+                       rockchip,pins = <4 RK_PC1 RK_FUNC_GPIO &pcfg_pull_none>;
+               };
+
+               wan_led_g: wan-led-g {
+                       rockchip,pins = <4 RK_PC0 RK_FUNC_GPIO &pcfg_pull_none>;
+               };
+       };
 };
 
 &uart0 {