linux-kernel - [PATCH V4 2/2] arm64: dts: sc7280: Add volume up support for sc7280-idp

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Message-Id: <1631624108-15491-3-git-send-email-skakit@codeaurora.org>
Date:   Tue, 14 Sep 2021 18:25:08 +0530
From:   Satya Priya <skakit@...eaurora.org>
To:     Linus Walleij <linus.walleij@...aro.org>,
        Rob Herring <robh+dt@...nel.org>,
        Andy Gross <agross@...nel.org>,
        Bjorn Andersson <bjorn.andersson@...aro.org>
Cc:     swboyd@...omium.org, David Collins <collinsd@...eaurora.org>,
        kgunda@...eaurora.org, linux-gpio@...r.kernel.org,
        linux-kernel@...r.kernel.org, devicetree@...r.kernel.org,
        linux-arm-msm@...r.kernel.org, satya priya <skakit@...eaurora.org>
Subject: [PATCH V4 2/2] arm64: dts: sc7280: Add volume up support for sc7280-idp

From: satya priya <skakit@...eaurora.org>

Add pm7325 PMIC gpio support for vol+ on sc7280-idp.

Signed-off-by: satya priya <skakit@...eaurora.org>
---
Changes in V2:
 - No changes.

Changes in V3:
 - Sorted the nodes alphabetically.

Changes in V4:
 - Updated the node names to replace underscores with hipens
 
 arch/arm64/boot/dts/qcom/sc7280-idp.dtsi | 31 +++++++++++++++++++++++++++++++
 1 file changed, 31 insertions(+)

diff --git a/arch/arm64/boot/dts/qcom/sc7280-idp.dtsi b/arch/arm64/boot/dts/qcom/sc7280-idp.dtsi
index 371a2a9..003112f 100644
--- a/arch/arm64/boot/dts/qcom/sc7280-idp.dtsi
+++ b/arch/arm64/boot/dts/qcom/sc7280-idp.dtsi
@@ -239,6 +239,26 @@
 	cd-gpios = <&tlmm 91 GPIO_ACTIVE_LOW>;
 };
 
+&soc {
+	gpio-keys {
+		compatible = "gpio-keys";
+		label = "gpio-keys";
+
+		pinctrl-names = "default";
+		pinctrl-0 = <&key_vol_up_default>;
+
+		volume-up {
+			label = "volume_up";
+			gpios = <&pm7325_gpios 6 GPIO_ACTIVE_LOW>;
+			linux,input-type = <1>;
+			linux,code = <KEY_VOLUMEUP>;
+			gpio-key,wakeup;
+			debounce-interval = <15>;
+			linux,can-disable;
+		};
+	};
+};
+
 &uart5 {
 	status = "okay";
 };
@@ -284,6 +304,17 @@
 
 /* PINCTRL - additions to nodes defined in sc7280.dtsi */
 
+&pm7325_gpios {
+	key_vol_up_default: key-vol-up-default {
+		pins = "gpio6";
+		function = "normal";
+		input-enable;
+		bias-pull-up;
+		power-source = <0>;
+		qcom,drive-strength = <3>;
+	};
+};
+
 &qup_uart5_default {
 	tx {
 		pins = "gpio46";
-- 
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