[PATCH V2 3/3] ARM: dts: Add node for GPIO keys on SMDK5420

[Vikas Sajjan]

From: Abhilash Kesavan <a.kesavan at samsung.com>

Add support for the suspend/resume button (SW7) on SMDK5420 using
gpio-keys driver.

Signed-off-by: Abhilash Kesavan <a.kesavan at samsung.com>
Signed-off-by: Vikas Sajjan <vikas.sajjan at samsung.com>
---
 arch/arm/boot/dts/exynos5420-smdk5420.dts |   11 +++++++++++
 1 file changed, 11 insertions(+)

diff --git a/arch/arm/boot/dts/exynos5420-smdk5420.dts b/arch/arm/boot/dts/exynos5420-smdk5420.dts
index 6910485..5ae0dd4 100644
--- a/arch/arm/boot/dts/exynos5420-smdk5420.dts
+++ b/arch/arm/boot/dts/exynos5420-smdk5420.dts
@@ -158,6 +158,17 @@
 		};
 	};
 
+	gpio-keys {
+		compatible = "gpio-keys";
+
+		wakeup {
+			label = "SW7";
+			gpios = <&gpx0 0 1>;
+			linux,code = <143>;	/* KEY_WAKEUP */
+			gpio-key,wakeup;
+		};
+	};
+
 	hsi2c_4: i2c at 12CA0000 {
 		status = "okay";
 
-- 
1.7.9.5