linux-kernel - [PATCH 15/15] arm64: dts: qcom: sm6375-pdx225: Add volume down GPIO key

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Date:   Fri, 03 Mar 2023 22:58:15 +0100
From:   Konrad Dybcio <konrad.dybcio@...aro.org>
To:     Amit Kucheria <amitk@...nel.org>,
        Thara Gopinath <thara.gopinath@...il.com>,
        Andy Gross <agross@...nel.org>,
        Bjorn Andersson <andersson@...nel.org>,
        "Rafael J. Wysocki" <rafael@...nel.org>,
        Daniel Lezcano <daniel.lezcano@...aro.org>,
        Zhang Rui <rui.zhang@...el.com>,
        Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        Georgi Djakov <djakov@...nel.org>,
        Sibi Sankar <quic_sibis@...cinc.com>
Cc:     linux-arm-msm@...r.kernel.org, linux-pm@...r.kernel.org,
        devicetree@...r.kernel.org, linux-kernel@...r.kernel.org,
        Konrad Dybcio <konrad.dybcio@...aro.org>
Subject: [PATCH 15/15] arm64: dts: qcom: sm6375-pdx225: Add volume down
 GPIO key

Add the required nodes to enable the volume down key on the Sony
Xperia 10 IV.

Signed-off-by: Konrad Dybcio <konrad.dybcio@...aro.org>
---
 .../dts/qcom/sm6375-sony-xperia-murray-pdx225.dts  | 27 ++++++++++++++++++++++
 1 file changed, 27 insertions(+)

diff --git a/arch/arm64/boot/dts/qcom/sm6375-sony-xperia-murray-pdx225.dts b/arch/arm64/boot/dts/qcom/sm6375-sony-xperia-murray-pdx225.dts
index b691c3834b6b..8220e6f44117 100644
--- a/arch/arm64/boot/dts/qcom/sm6375-sony-xperia-murray-pdx225.dts
+++ b/arch/arm64/boot/dts/qcom/sm6375-sony-xperia-murray-pdx225.dts
@@ -46,6 +46,23 @@ framebuffer: framebuffer@...00000 {
 		};
 	};
 
+	gpio-keys {
+		compatible = "gpio-keys";
+		label = "gpio-keys";
+
+		pinctrl-0 = <&vol_down_n>;
+		pinctrl-names = "default";
+
+		key-volume-down {
+			label = "Volume Down";
+			linux,code = <KEY_VOLUMEDOWN>;
+			gpios = <&pmr735a_gpios 1 GPIO_ACTIVE_LOW>;
+			debounce-interval = <15>;
+			linux,can-disable;
+			wakeup-source;
+		};
+	};
+
 	reserved-memory {
 		cont_splash_mem: memory@...00000 {
 			reg = <0 0x85200000 0 0xc00000>;
@@ -133,6 +150,16 @@ &pmk8350_rtc {
 	status = "okay";
 };
 
+&pmr735a_gpios {
+	vol_down_n: vol-down-n-state {
+		pins = "gpio1";
+		function = "normal";
+		power-source = <1>;
+		bias-pull-up;
+		input-enable;
+	};
+};
+
 &pon_pwrkey {
 	status = "okay";
 };

-- 
2.39.2