linux-kernel - [PATCH v3 2/3] arm64: dts: Add LP5812 LED node for Raspberry Pi 4 Model B

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Message-Id: <20250306172126.24667-3-trannamatk@gmail.com>
Date: Fri,  7 Mar 2025 00:21:25 +0700
From: Nam Tran <trannamatk@...il.com>
To: pavel@...nel.org,
	lee@...nel.org,
	krzk+dt@...nel.org,
	robh@...nel.org,
	conor+dt@...nel.org
Cc: devicetree@...r.kernel.org,
	linux-leds@...r.kernel.org,
	linux-kernel@...r.kernel.org,
	Nam Tran <trannamatk@...il.com>
Subject: [PATCH v3 2/3] arm64: dts: Add LP5812 LED node for Raspberry Pi 4 Model B

Add the LP5812 LED driver node to the Device Tree for Raspberry Pi 4 B.
This enables the LED connected to the LP5812 to be controlled via I2C.

Signed-off-by: Nam Tran <trannamatk@...il.com>
---
 arch/arm/boot/dts/broadcom/bcm2711-rpi-4-b.dts | 10 ++++++++++
 1 file changed, 10 insertions(+)

diff --git a/arch/arm/boot/dts/broadcom/bcm2711-rpi-4-b.dts b/arch/arm/boot/dts/broadcom/bcm2711-rpi-4-b.dts
index 353bb50ce542..85441746d94b 100644
--- a/arch/arm/boot/dts/broadcom/bcm2711-rpi-4-b.dts
+++ b/arch/arm/boot/dts/broadcom/bcm2711-rpi-4-b.dts
@@ -270,3 +270,13 @@ &vec {
 &wifi_pwrseq {
 	reset-gpios = <&expgpio 1 GPIO_ACTIVE_LOW>;
 };
+
+&i2c1 {
+	#address-cells = <1>;
+	#size-cells = <0>;
+
+	led-controller@1b {
+		compatible = "ti,lp5812";
+		reg = <0x1b>;
+	};
+};
-- 
2.25.1