From: Yixun Lan <dlan@gentoo.org>
Date: Thu, 24 Apr 2025 09:40:51 +0000 (+0800)
Subject: riscv: dts: spacemit: add gpio LED for system heartbeat
X-Git-Tag: v6.16-rc1~97^2~17^2
X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=3aa64cd126b4fd298ba5d28227ea3f82cd6f541c;p=thirdparty%2Fkernel%2Flinux.git

riscv: dts: spacemit: add gpio LED for system heartbeat

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

Link: https://lore.kernel.org/r/20250424-03-k1-gpio-v9-3-eaece8cc5a86@gentoo.org
Signed-off-by: Yixun Lan <dlan@gentoo.org>
---

diff --git a/arch/riscv/boot/dts/spacemit/k1-bananapi-f3.dts b/arch/riscv/boot/dts/spacemit/k1-bananapi-f3.dts
index 1d617b40a2d51..816ef1bc358ec 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 @@
 	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 {