[PATCH v2 4/6] ARM: dts: qcom: apq8074-dragonboard: add resin and gpio keys

[Dmitry Baryshkov <dmitry.baryshkov@linaro.org>]

Add device nodes for resin (reset, volume-down) and gpio-keys
(volume-up, general key) device nodes.

Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
---
 .../arm/boot/dts/qcom-apq8074-dragonboard.dts | 39 +++++++++++++++++++
 1 file changed, 39 insertions(+)

diff --git a/arch/arm/boot/dts/qcom-apq8074-dragonboard.dts b/arch/arm/boot/dts/qcom-apq8074-dragonboard.dts
index 1345df7cbd00..630180edecfd 100644
--- a/arch/arm/boot/dts/qcom-apq8074-dragonboard.dts
+++ b/arch/arm/boot/dts/qcom-apq8074-dragonboard.dts
@@ -1,5 +1,7 @@
 // SPDX-License-Identifier: GPL-2.0
 #include <dt-bindings/gpio/gpio.h>
+#include <dt-bindings/input/input.h>
+#include <dt-bindings/pinctrl/qcom,pmic-gpio.h>
 #include "qcom-msm8974.dtsi"
 #include "qcom-pm8841.dtsi"
 #include "qcom-pm8941.dtsi"
@@ -17,6 +19,26 @@ aliases {
 	chosen {
 		stdout-path = "serial0:115200n8";
 	};
+
+	gpio-keys {
+		compatible = "gpio-keys";
+		autorepeat;
+
+		pinctrl-0 = <&msm_keys_default>;
+		pinctrl-names = "default";
+
+		button-volup {
+			label = "Volume Up";
+			linux,code = <KEY_VOLUMEUP>;
+			gpios = <&pm8941_gpios 5 GPIO_ACTIVE_LOW>;
+		};
+
+		button-general {
+			label = "General";
+			linux,code = <KEY_PROG1>;
+			gpios = <&pm8941_gpios 23 GPIO_ACTIVE_LOW>;
+		};
+	};
 };
 
 &blsp1_uart2 {
@@ -35,6 +57,23 @@ eeprom: eeprom@52 {
 	};
 };
 
+&pm8941_gpios {
+        msm_keys_default: pm8941-gpio-keys-state {
+		pins = "gpio5", "gpio23";
+		function = "normal";
+		input-enable;
+		drive-push-pull;
+		bias-pull-up;
+		qcom,drive-strength = <PMIC_GPIO_STRENGTH_NO>;
+		power-source = <PM8941_GPIO_S3>; /* 1.8V */
+        };
+};
+
+&pm8941_resin {
+	linux,code = <KEY_VOLUMEDOWN>;
+	status = "okay";
+};
+
 &rpm_requests {
 	regulators-0 {
 		compatible = "qcom,rpm-pm8841-regulators";
-- 
2.39.2