linux-kernel - [PATCH v1 1/2] arm64: dts: qcom: msm8916-alcatel-idol347: add GPIO torch LED

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Date:   Sat, 29 Oct 2022 16:55:56 +0200
From:   Vincent Knecht <vincent.knecht@...loo.org>
To:     Andy Gross <agross@...nel.org>,
        Bjorn Andersson <andersson@...nel.org>,
        Konrad Dybcio <konrad.dybcio@...ainline.org>,
        Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        linux-arm-msm@...r.kernel.org, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org
Cc:     Vincent Knecht <vincent.knecht@...loo.org>
Subject: [PATCH v1 1/2] arm64: dts: qcom: msm8916-alcatel-idol347: add GPIO torch LED

Add support for torch LED on GPIO 32.

Signed-off-by: Vincent Knecht <vincent.knecht@...loo.org>
---
 .../boot/dts/qcom/msm8916-alcatel-idol347.dts | 22 +++++++++++++++++++
 1 file changed, 22 insertions(+)

diff --git a/arch/arm64/boot/dts/qcom/msm8916-alcatel-idol347.dts b/arch/arm64/boot/dts/qcom/msm8916-alcatel-idol347.dts
index 3dc9619fde6e..3a0a593899ae 100644
--- a/arch/arm64/boot/dts/qcom/msm8916-alcatel-idol347.dts
+++ b/arch/arm64/boot/dts/qcom/msm8916-alcatel-idol347.dts
@@ -5,6 +5,7 @@
 #include "msm8916-pm8916.dtsi"
 #include <dt-bindings/gpio/gpio.h>
 #include <dt-bindings/input/input.h>
+#include <dt-bindings/leds/common.h>
 
 / {
 	model = "Alcatel OneTouch Idol 3 (4.7)";
@@ -34,6 +35,19 @@ button-volume-up {
 		};
 	};
 
+	gpio-leds {
+		compatible = "gpio-leds";
+
+		pinctrl-names = "default";
+		pinctrl-0 = <&gpio_leds_default>;
+
+		led-0 {
+			gpios = <&msmgpio 32 GPIO_ACTIVE_HIGH>;
+			linux,default-trigger = "torch";
+			function = LED_FUNCTION_TORCH;
+		};
+	};
+
 	usb_id: usb-id {
 		compatible = "linux,extcon-usb-gpio";
 		id-gpio = <&msmgpio 69 GPIO_ACTIVE_HIGH>;
@@ -276,6 +290,14 @@ gpio_keys_default: gpio-keys-default {
 		bias-pull-up;
 	};
 
+	gpio_leds_default: gpio-leds-default {
+		pins = "gpio32";
+		function = "gpio";
+
+		drive-strength = <2>;
+		bias-disable;
+	};
+
 	gyro_int_default: gyro-int-default {
 		pins = "gpio97", "gpio98";
 		function = "gpio";
-- 
2.37.3