From 9fad17a56355e4fff06637addf4403944846e427 Mon Sep 17 00:00:00 2001
From: "Ivan T. Ivanov" <ivan.ivanov@linaro.org>
Date: Thu, 17 Sep 2015 15:05:42 +0300
Subject: [PATCH] arm64: dts: qcom: apq8016-sbc: Add Volume Up key device node

VOL/ZOOM+ button on DB410c is connected to
SoC GPIO 104. Add support for it.

Signed-off-by: Ivan T. Ivanov <ivan.ivanov@linaro.org>

Conflicts:
	arch/arm64/boot/dts/qcom/apq8016-sbc.dtsi
---
 .../boot/dts/qcom/apq8016-sbc-soc-pins.dtsi    | 13 +++++++++++++
 arch/arm64/boot/dts/qcom/apq8016-sbc.dtsi      | 18 ++++++++++++++++++
 2 files changed, 31 insertions(+)

diff --git a/arch/arm64/boot/dts/qcom/apq8016-sbc-soc-pins.dtsi b/arch/arm64/boot/dts/qcom/apq8016-sbc-soc-pins.dtsi
index cf6f9c4a4d89..fc67a30b133f 100644
--- a/arch/arm64/boot/dts/qcom/apq8016-sbc-soc-pins.dtsi
+++ b/arch/arm64/boot/dts/qcom/apq8016-sbc-soc-pins.dtsi
@@ -66,4 +66,17 @@
 			bias-disable;
 		};
 	};
+
+	msm_key_volp_n_default: msm_key_volp_n_default {
+		pinmux {
+			function = "gpio";
+			pins = "gpio107";
+		};
+		pinconf {
+			pins = "gpio107";
+			drive-strength = <8>;
+			input-enable;
+			bias-pull-up;
+		};
+	};
 };
diff --git a/arch/arm64/boot/dts/qcom/apq8016-sbc.dtsi b/arch/arm64/boot/dts/qcom/apq8016-sbc.dtsi
index 9a2f5a05ab67..79e190acb475 100644
--- a/arch/arm64/boot/dts/qcom/apq8016-sbc.dtsi
+++ b/arch/arm64/boot/dts/qcom/apq8016-sbc.dtsi
@@ -12,6 +12,7 @@
  */
 
 #include <dt-bindings/gpio/gpio.h>
+#include <dt-bindings/input/input.h>
 #include <dt-bindings/sound/apq8016-lpass.h>
 #include "msm8916.dtsi"
 #include "pm8916.dtsi"
@@ -144,7 +145,24 @@
 		pinctrl-names = "default";
 		pinctrl-0 = <&usb_id_default>;
 	};
+
+	gpio_keys {
+		compatible = "gpio-keys";
+		#address-cells = <1>;
+		#size-cells = <0>;
+		autorepeat;
+
+		pinctrl-names = "default";
+		pinctrl-0 = <&msm_key_volp_n_default>;
+
+		button@0 {
+			label = "Volume Up";
+			linux,code = <KEY_VOLUMEUP>;
+			gpios = <&msmgpio 107 GPIO_ACTIVE_LOW>;
+		};
+	};
 };
+
 &blsp_dma {
 	status = "okay";
 };
-- 
2.39.5