[PATCH v6 4/4] riscv: dts: spacemit: add gpio LED for system heartbeat
From: Yixun Lan
Date: Sun Feb 23 2025 - 06:51:28 EST
Leverage GPIO to support system LED to indicate activity of CPUs.
Signed-off-by: Yixun Lan <dlan@xxxxxxxxxx>
---
arch/riscv/boot/dts/spacemit/k1-bananapi-f3.dts | 11 +++++++++++
1 file changed, 11 insertions(+)
diff --git a/arch/riscv/boot/dts/spacemit/k1-bananapi-f3.dts b/arch/riscv/boot/dts/spacemit/k1-bananapi-f3.dts
index 1d617b40a2d51ee464b57234d248798aeb218643..816ef1bc358ec490aff184d5915d680dbd9f00cb 100644
--- a/arch/riscv/boot/dts/spacemit/k1-bananapi-f3.dts
+++ b/arch/riscv/boot/dts/spacemit/k1-bananapi-f3.dts
@@ -17,6 +17,17 @@ aliases {
chosen {
stdout-path = "serial0";
};
+
+ leds {
+ compatible = "gpio-leds";
+
+ led1 {
+ label = "sys-led";
+ gpios = <&gpio K1_GPIO(96) GPIO_ACTIVE_HIGH>;
+ linux,default-trigger = "heartbeat";
+ default-state = "on";
+ };
+ };
};
&uart0 {
--
2.48.1