[PATCH v3 4/4] riscv: dts: starfive: enable heartbeat LED for StarFive VisionFive 2

[FUKAUMI Naoki]

StarFive VisionFive 2 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 at milkv.io>

[1] https://github.com/starfive-tech/linux/blob/a61d1d826ca3060fd76ab31d37c691fc09b52fc0/arch/riscv/boot/dts/starfive/jh7110-starfive-visionfive-2.dtsi#L79

Changes in v3:
- add default-state = "on" to turn LED on at U-Boot (not enabled yet)
Changes in v2:
- new
---
 .../dts/starfive/jh7110-starfive-visionfive-2.dtsi | 14 ++++++++++++++
 1 file changed, 14 insertions(+)

diff --git a/arch/riscv/boot/dts/starfive/jh7110-starfive-visionfive-2.dtsi b/arch/riscv/boot/dts/starfive/jh7110-starfive-visionfive-2.dtsi
index 18f38fc790a4..06efbed53cc7 100644
--- a/arch/riscv/boot/dts/starfive/jh7110-starfive-visionfive-2.dtsi
+++ b/arch/riscv/boot/dts/starfive/jh7110-starfive-visionfive-2.dtsi
@@ -5,12 +5,26 @@
  */
 
 /dts-v1/;
+#include <dt-bindings/gpio/gpio.h>
+#include <dt-bindings/leds/common.h>
 #include "jh7110-common.dtsi"
 
 / {
 	aliases {
 		ethernet1 = &gmac1;
 	};
+
+	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";
+		};
+	};
 };
 
 &gmac1 {
-- 
2.43.0