[PATCH v4 4/4] riscv: dts: spacemit: add gpio LED for system heartbeat

Yixun Lan
2025-01-21T03:39:35Z

Leverage GPIO to support system LED to indicate activity of CPUs.

Signed-off-by: Yixun Lan <dlan@gentoo.org>
---
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..6113e7523109076b99c493c8ac9ba69efd734620 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 = <&port3 0 GPIO_ACTIVE_HIGH>;
+ linux,default-trigger = "heartbeat";
+ default-state = "on";
+ };
+ };
};

&uart0 {

--
2.48.0