linux-kernel - [PATCH v2 15/15] arm64: dts: st: add heartbeat LED on stm32mp215f-dk board

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Message-ID: <20251118161936.1085477-16-antonio.borneo@foss.st.com>
Date: Tue, 18 Nov 2025 17:19:36 +0100
From: Antonio Borneo <antonio.borneo@...s.st.com>
To: Linus Walleij <linus.walleij@...aro.org>, Rob Herring <robh@...nel.org>,
        Krzysztof Kozlowski <krzk+dt@...nel.org>,
        Conor Dooley <conor+dt@...nel.org>,
        Maxime Coquelin <mcoquelin.stm32@...il.com>,
        Alexandre Torgue
	<alexandre.torgue@...s.st.com>,
        <linux-gpio@...r.kernel.org>, <devicetree@...r.kernel.org>,
        <linux-stm32@...md-mailman.stormreply.com>,
        <linux-arm-kernel@...ts.infradead.org>, <linux-kernel@...r.kernel.org>
CC: Antonio Borneo <antonio.borneo@...s.st.com>,
        Clément Le Goffic <legoffic.clement@...il.com>,
        "Amelie
 Delaunay" <amelie.delaunay@...s.st.com>,
        Pascal Paillet
	<p.paillet@...s.st.com>
Subject: [PATCH v2 15/15] arm64: dts: st: add heartbeat LED on stm32mp215f-dk board

From: Pascal Paillet <p.paillet@...s.st.com>

Add heartbeat LED on stm32mp215f-dk.

Signed-off-by: Pascal Paillet <p.paillet@...s.st.com>
Signed-off-by: Antonio Borneo <antonio.borneo@...s.st.com>
---
 arch/arm64/boot/dts/st/stm32mp215f-dk.dts | 14 ++++++++++++++
 1 file changed, 14 insertions(+)

diff --git a/arch/arm64/boot/dts/st/stm32mp215f-dk.dts b/arch/arm64/boot/dts/st/stm32mp215f-dk.dts
index 8571dcf427fc4..6d10b0641d2bf 100644
--- a/arch/arm64/boot/dts/st/stm32mp215f-dk.dts
+++ b/arch/arm64/boot/dts/st/stm32mp215f-dk.dts
@@ -6,6 +6,8 @@
 
 /dts-v1/;
 
+#include <dt-bindings/gpio/gpio.h>
+#include <dt-bindings/leds/common.h>
 #include "stm32mp215.dtsi"
 #include "stm32mp21xf.dtsi"
 #include "stm32mp21-pinctrl.dtsi"
@@ -23,6 +25,18 @@ chosen {
 		stdout-path = "serial0:115200n8";
 	};
 
+	gpio-leds {
+		compatible = "gpio-leds";
+
+		led-blue {
+			function = LED_FUNCTION_HEARTBEAT;
+			color = <LED_COLOR_ID_BLUE>;
+			gpios = <&gpioz 3 GPIO_ACTIVE_HIGH>;
+			linux,default-trigger = "heartbeat";
+			default-state = "off";
+		};
+	};
+
 	memory@...00000 {
 		device_type = "memory";
 		reg = <0x0 0x80000000 0x0 0x80000000>;
-- 
2.34.1