Milk-V Mars has a green LED to show system load[1]. This patch enables a green LED as a heartbeat LED. Signed-off-by: FUKAUMI Naoki <naoki@xxxxxxxx> [1] https://github.com/milkv-mars/mars-buildroot-sdk/blob/dev/linux/arch/riscv/boot/dts/starfive/jh7110-milkv-mars.dtsi#L79 Changes in v3: - add default-state = "on" to turn LED on at U-Boot (not enabled yet) Changes in v2: - reorder properties in led-0 --- arch/riscv/boot/dts/starfive/jh7110-milkv-mars.dts | 14 ++++++++++++++ 1 file changed, 14 insertions(+) diff --git a/arch/riscv/boot/dts/starfive/jh7110-milkv-mars.dts b/arch/riscv/boot/dts/starfive/jh7110-milkv-mars.dts index 5cb9e99e1dac..5cae7a5d2f86 100644 --- a/arch/riscv/boot/dts/starfive/jh7110-milkv-mars.dts +++ b/arch/riscv/boot/dts/starfive/jh7110-milkv-mars.dts @@ -4,11 +4,25 @@ */ /dts-v1/; +#include <dt-bindings/gpio/gpio.h> +#include <dt-bindings/leds/common.h> #include "jh7110-common.dtsi" / { model = "Milk-V Mars"; compatible = "milkv,mars", "starfive,jh7110"; + + leds { + compatible = "gpio-leds"; + + led-0 { + gpios = <&aongpio 3 GPIO_ACTIVE_HIGH>; + color = <LED_COLOR_ID_GREEN>; + default-state = "on"; + function = LED_FUNCTION_HEARTBEAT; + linux,default-trigger = "heartbeat"; + }; + }; }; &gmac0 { -- 2.43.0
