From 5780c20664db63033190c4d74c7f1ec2d13e91fe Mon Sep 17 00:00:00 2001
From: Thierry Reding <treding@nvidia.com>
Date: Thu, 18 Dec 2014 14:58:20 +0100
Subject: [PATCH] ARM: tegra: cardhu: Add power and volume keys

The Cardhu has a power key on the top-right as well as volume up and
volume down keys on the right side.

Signed-off-by: Thierry Reding <treding@nvidia.com>
---
 arch/arm/boot/dts/tegra30-cardhu.dtsi | 28 +++++++++++++++++++++++++++
 1 file changed, 28 insertions(+)

diff --git a/arch/arm/boot/dts/tegra30-cardhu.dtsi b/arch/arm/boot/dts/tegra30-cardhu.dtsi
index a1b682ea01bd..439634183e25 100644
--- a/arch/arm/boot/dts/tegra30-cardhu.dtsi
+++ b/arch/arm/boot/dts/tegra30-cardhu.dtsi
@@ -1,3 +1,4 @@
+#include <dt-bindings/input/input.h>
 #include "tegra30.dtsi"
 
 /**
@@ -615,4 +616,31 @@
 			 <&tegra_car TEGRA30_CLK_EXTERN1>;
 		clock-names = "pll_a", "pll_a_out0", "mclk";
 	};
+
+	gpio-keys {
+		compatible = "gpio-keys";
+
+		power {
+			label = "Power";
+			interrupt-parent = <&pmic>;
+			interrupts = <2 0>;
+			linux,code = <KEY_POWER>;
+			debounce-interval = <100>;
+			gpio-key,wakeup;
+		};
+
+		volume-down {
+			label = "Volume Down";
+			gpios = <&gpio TEGRA_GPIO(R, 0) GPIO_ACTIVE_LOW>;
+			linux,code = <KEY_VOLUMEDOWN>;
+			debounce-interval = <10>;
+		};
+
+		volume-up {
+			label = "Volume Up";
+			gpios = <&gpio TEGRA_GPIO(R, 1) GPIO_ACTIVE_LOW>;
+			linux,code = <KEY_VOLUMEUP>;
+			debounce-interval = <10>;
+		};
+	};
 };
-- 
2.34.1