Edge: enable system led

Author: numbqq

arch/arm64/boot/dts/rockchip/rk3399-kedge.dtsi

@@ -252,6 +252,18 @@
 		    status = "okay";
 	};
 
+	leds {
+		compatible = "gpio-leds";
+		pinctrl-names = "default";
+
+		sys_led {
+			gpios = <&gpio0 6 GPIO_ACTIVE_HIGH>;  /* GPIO0_A6 */
+			label = "sys_led";
+			linux,default-trigger = "heartbeat";
+			default-state = "on";
+		};
+	};
+
 	vcc3v3_sys: vcc3v3-sys {
 		compatible = "regulator-fixed";
 		regulator-name = "vcc3v3_sys";

arch/arm64/configs/kedge_defconfig

@@ -428,6 +428,16 @@ CONFIG_NEW_LEDS=y
 CONFIG_LEDS_CLASS=y
 CONFIG_LEDS_GPIO=y
 CONFIG_LEDS_IS31FL32XX=y
+CONFIG_LEDS_TRIGGER_TIMER=y
+CONFIG_LEDS_TRIGGER_ONESHOT=y
+CONFIG_LEDS_TRIGGER_HEARTBEAT=y
+CONFIG_LEDS_TRIGGER_BACKLIGHT=y
+CONFIG_LEDS_TRIGGER_CPU=y
+CONFIG_LEDS_TRIGGER_GPIO=y
+CONFIG_LEDS_TRIGGER_DEFAULT_ON=y
+CONFIG_LEDS_TRIGGER_TRANSIENT=y
+CONFIG_LEDS_TRIGGER_CAMERA=y
+CONFIG_LEDS_TRIGGER_MULTI_CTRL=y
 CONFIG_RTC_CLASS=y
 CONFIG_RTC_DRV_HYM8563=y
 CONFIG_RTC_DRV_RK808=y