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From: Nam Tran <trannamatk@gmail.com>
To: pavel@kernel.org,
lee@kernel.org,
krzk+dt@kernel.org,
robh@kernel.org,
conor+dt@kernel.org,
corbet@lwn.net
Cc: devicetree@vger.kernel.org,
linux-leds@vger.kernel.org,
linux-kernel@vger.kernel.org,
Nam Tran <trannamatk@gmail.com>
Subject: [PATCH v4 5/5] arm64: dts: Add LP5812 LED node for Raspberry Pi 4
Model B
Date: Sun, 6 Apr 2025 01:32:46 +0700
Message-Id: <20250405183246.198568-6-trannamatk@gmail.com>
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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@gmail.com>
---
.../arm/boot/dts/broadcom/bcm2711-rpi-4-b.dts | 60 +++++++++++++++++++
1 file changed, 60 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..511d358f7692 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 +152,66 @@ &hdmi1 {
status =3D "okay";
};
=20
+&i2c1 {
+ #address-cells =3D <1>;
+ #size-cells =3D <0>;
+
+ led-controller@1b {
+ compatible =3D "ti,lp5812";
+ reg =3D <0x1b>;
+ #address-cells =3D <1>;
+ #size-cells =3D <0>;
+ led@0 {
+ reg =3D <0x0>;
+ chan-name =3D "a0";
+ };
+ led@1 {
+ reg =3D <0x1>;
+ chan-name =3D "a1";
+ };
+ led@2 {
+ reg =3D <0x2>;
+ chan-name =3D "a2";
+ };
+ led@3 {
+ reg =3D <0x3>;
+ chan-name =3D "b0";
+ };
+ led@4 {
+ reg =3D <0x4>;
+ chan-name =3D "b1";
+ };
+ led@5 {
+ reg =3D <0x5>;
+ chan-name =3D "b2";
+ };
+ led@6 {
+ reg =3D <0x6>;
+ chan-name =3D "c0";
+ };
+ led@7 {
+ reg =3D <0x7>;
+ chan-name =3D "c1";
+ };
+ led@8 {
+ reg =3D <0x8>;
+ chan-name =3D "c2";
+ };
+ led@9 {
+ reg =3D <0x9>;
+ chan-name =3D "d0";
+ };
+ led@a {
+ reg =3D <0xa>;
+ chan-name =3D "d1";
+ };
+ led@b {
+ reg =3D <0xb>;
+ chan-name =3D "d2";
+ };
+ };
+};
+
&led_act {
gpios =3D <&gpio 42 GPIO_ACTIVE_HIGH>;
};
--=20
2.25.1