[PATCH v8 5/5] arm64: dts: Add LP5812 node for Raspberry Pi 4 Model B
Nam Tran
trannamatk at gmail.com
Sun Apr 27 01:24:47 PDT 2025
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 at gmail.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..2f058cf5d76e 100644
--- a/arch/arm/boot/dts/broadcom/bcm2711-rpi-4-b.dts
+++ b/arch/arm/boot/dts/broadcom/bcm2711-rpi-4-b.dts
@@ -152,6 +152,16 @@ &hdmi1 {
status = "okay";
};
+&i2c1 {
+ #address-cells = <1>;
+ #size-cells = <0>;
+
+ led-controller at 1b {
+ compatible = "ti,lp5812";
+ reg = <0x1b>;
+ };
+};
+
&led_act {
gpios = <&gpio 42 GPIO_ACTIVE_HIGH>;
};
--
2.25.1
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