linux-kernel - [PATCH] arm64: dts: qcom: qrb4210-rb2: Enable on-board buttons

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Date:   Tue, 13 Jun 2023 20:09:00 +0200
From:   Konrad Dybcio <konrad.dybcio@...aro.org>
To:     Andy Gross <agross@...nel.org>,
        Bjorn Andersson <andersson@...nel.org>,
        Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        Conor Dooley <conor+dt@...nel.org>
Cc:     Marijn Suijten <marijn.suijten@...ainline.org>,
        linux-arm-msm@...r.kernel.org, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org,
        Konrad Dybcio <konrad.dybcio@...aro.org>
Subject: [PATCH] arm64: dts: qcom: qrb4210-rb2: Enable on-board buttons

Enable the PMIC GPIO- and RESIN-connected buttons on the board.

Signed-off-by: Konrad Dybcio <konrad.dybcio@...aro.org>
---
 arch/arm64/boot/dts/qcom/qrb4210-rb2.dts | 37 ++++++++++++++++++++++++++++++++
 1 file changed, 37 insertions(+)

diff --git a/arch/arm64/boot/dts/qcom/qrb4210-rb2.dts b/arch/arm64/boot/dts/qcom/qrb4210-rb2.dts
index 39597277343c..e23a0406eacc 100644
--- a/arch/arm64/boot/dts/qcom/qrb4210-rb2.dts
+++ b/arch/arm64/boot/dts/qcom/qrb4210-rb2.dts
@@ -7,6 +7,7 @@
 
 #include <dt-bindings/leds/common.h>
 #include "sm4250.dtsi"
+#include "pm6125.dtsi"
 
 / {
 	model = "Qualcomm Technologies, Inc. QRB4210 RB2";
@@ -28,6 +29,23 @@ clk40M: can-clk {
 		};
 	};
 
+	gpio-keys {
+		compatible = "gpio-keys";
+		label = "gpio-keys";
+
+		pinctrl-0 = <&kypd_vol_up_n>;
+		pinctrl-names = "default";
+
+		key-volume-up {
+			label = "Volume Up";
+			linux,code = <KEY_VOLUMEUP>;
+			gpios = <&pm6125_gpios 5 GPIO_ACTIVE_LOW>;
+			debounce-interval = <15>;
+			linux,can-disable;
+			wakeup-source;
+		};
+	};
+
 	hdmi-connector {
 		compatible = "hdmi-connector";
 		type = "a";
@@ -219,6 +237,25 @@ &mdss_dsi0_phy {
 	status = "okay";
 };
 
+&pm6125_gpios {
+	kypd_vol_up_n: kypd-vol-up-n-state {
+		pins = "gpio5";
+		function = "normal";
+		power-source = <0>;
+		bias-pull-up;
+		input-enable;
+	};
+};
+
+&pon_pwrkey {
+	status = "okay";
+};
+
+&pon_resin {
+	linux,code = <KEY_VOLUMEDOWN>;
+	status = "okay";
+};
+
 &qupv3_id_0 {
 	status = "okay";
 };

---
base-commit: 1f6ce8392d6ff486af5ca96df9ded5882c4b6977
change-id: 20230613-topic-rb2_-5dce15c31b46

Best regards,
-- 
Konrad Dybcio <konrad.dybcio@...aro.org>