Linux LED subsystem development
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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
Cc: devicetree@vger.kernel.org, linux-leds@vger.kernel.org,
	linux-kernel@vger.kernel.org, Nam Tran <trannamatk@gmail.com>
Subject: [PATCH v3 2/3] arm64: dts: Add LP5812 LED node for Raspberry Pi 4 Model B
Date: Fri,  7 Mar 2025 00:21:25 +0700	[thread overview]
Message-ID: <20250306172126.24667-3-trannamatk@gmail.com> (raw)
In-Reply-To: <20250306172126.24667-1-trannamatk@gmail.com>

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>
---
 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


  parent reply	other threads:[~2025-03-06 17:21 UTC|newest]

Thread overview: 25+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2025-03-06 17:21 [PATCH v3 0/3] leds: add new LED driver for TI LP5812 Nam Tran
2025-03-06 17:21 ` [PATCH v3 1/3] dt-bindings: leds: Add LP5812 LED driver Nam Tran
2025-03-07  8:42   ` Krzysztof Kozlowski
2025-03-18 13:56   ` Nam Tran
2025-03-18 18:59     ` Krzysztof Kozlowski
2025-03-31 15:31       ` Nam Tran
2025-03-31 15:42         ` Krzysztof Kozlowski
2025-04-01 14:29           ` Nam Tran
2025-04-01 15:04             ` Krzysztof Kozlowski
2025-03-06 17:21 ` Nam Tran [this message]
2025-03-07  8:42   ` [PATCH v3 2/3] arm64: dts: Add LP5812 LED node for Raspberry Pi 4 Model B Krzysztof Kozlowski
2025-03-07  8:43   ` Krzysztof Kozlowski
2025-03-06 17:21 ` [PATCH v3 3/3] leds: add new LED driver for TI LP5812 Nam Tran
2025-03-06 18:53   ` Christophe JAILLET
2025-03-07  8:52   ` Krzysztof Kozlowski
2025-03-24  4:44     ` Nam Tran
2025-03-10  1:21   ` kernel test robot
2025-03-11 11:20   ` kernel test robot
2025-03-18 13:35   ` Nam Tran
2025-03-18 18:54     ` Krzysztof Kozlowski
2025-03-24  4:39       ` Nam Tran
2025-03-20 15:50     ` Lee Jones
2025-03-24  4:34       ` Nam Tran
2025-03-25 19:15   ` Markus Elfring
2025-03-27 15:48     ` Nam Tran

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