[PATCH 7/7] arm64: dts: rockchip: Add gpio-leds node to Radxa E20C

Jonas Karlman
2025-02-28T06:53:25Z

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

Add a gpio-leds node 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>
---
.../boot/dts/rockchip/rk3528-radxa-e20c.dts | 45 +++++++++++++++++++
1 file changed, 45 insertions(+)

diff --git a/arch/arm64/boot/dts/rockchip/rk3528-radxa-e20c.dts b/arch/arm64/boot/dts/rockchip/rk3528-radxa-e20c.dts
index d19e319b4100..7a14f8d5d601 100644
--- a/arch/arm64/boot/dts/rockchip/rk3528-radxa-e20c.dts
+++ b/arch/arm64/boot/dts/rockchip/rk3528-radxa-e20c.dts
@@ -8,6 +8,7 @@
/dts-v1/;

#include <dt-bindings/input/input.h>
+#include <dt-bindings/leds/common.h>
#include "rk3528.dtsi"

/ {
@@ -45,6 +46,36 @@ button-user {
};
};

+ gpio-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";
+ };
+ };
+
vcc_1v8: regulator-1v8-vcc {
compatible = "regulator-fixed";
regulator-name = "vcc_1v8";
@@ -81,6 +112,20 @@ user_key: user-key {
rockchip,pins = <0 RK_PA0 RK_FUNC_GPIO &pcfg_pull_up>;
};
};
+
+ gpio-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>;
+ };
+ };
};

&saradc {
--
2.48.1