linux-kernel - [PATCH 4/7] arm64: dts: qcom: sdm660-xiaomi-lavender: Add volume up button

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Date:   Mon,  8 Nov 2021 02:55:08 +0700
From:   Dang Huynh <danct12@...eup.net>
To:     Dang Huynh <danct12@...eup.net>
Cc:     Andy Gross <agross@...nel.org>,
        Bjorn Andersson <bjorn.andersson@...aro.org>,
        Rob Herring <robh+dt@...nel.org>,
        linux-arm-msm@...r.kernel.org, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org, martin.botka@...ainline.org,
        marijn.suijten@...ainline.org, paul.bouchara@...ainline.org,
        angelogioacchino.delregno@...ainline.org
Subject: [PATCH 4/7] arm64: dts: qcom: sdm660-xiaomi-lavender: Add volume up button

This enables the volume up key.

Signed-off-by: Dang Huynh <danct12@...eup.net>
---
 .../boot/dts/qcom/sdm660-xiaomi-lavender.dts  | 20 +++++++++++++++++++
 1 file changed, 20 insertions(+)

diff --git a/arch/arm64/boot/dts/qcom/sdm660-xiaomi-lavender.dts b/arch/arm64/boot/dts/qcom/sdm660-xiaomi-lavender.dts
index 28408240735b..5e4682f54fbe 100644
--- a/arch/arm64/boot/dts/qcom/sdm660-xiaomi-lavender.dts
+++ b/arch/arm64/boot/dts/qcom/sdm660-xiaomi-lavender.dts
@@ -9,6 +9,9 @@
 #include "sdm660.dtsi"
 #include "pm660.dtsi"
 #include "pm660l.dtsi"
+#include <dt-bindings/gpio/gpio.h>
+#include <dt-bindings/input/input.h>
+#include <dt-bindings/input/gpio-keys.h>
 
 / {
 	model = "Xiaomi Redmi Note 7";
@@ -31,6 +34,23 @@ vph_pwr: vph-pwr-regulator {
 		regulator-boot-on;
 	};
 
+	gpio_keys {
+		status = "okay";
+		compatible = "gpio-keys";
+		input-name = "gpio-keys";
+		#address-cells = <1>;
+		#size-cells = <0>;
+
+		vol_up {
+			label = "Volume Up";
+			gpios = <&pm660l_gpios 7 GPIO_ACTIVE_LOW>;
+			linux,input-type = <1>;
+			linux,code = <KEY_VOLUMEUP>;
+			gpio-key,wakeup;
+			debounce-interval = <15>;
+		};
+	};
+
 	reserved-memory {
 		#address-cells = <2>;
 		#size-cells = <2>;
-- 
2.33.1