ARM: dts: Add wake up key to arndale-octa board

Added GPIO based wake up key to Arndale octa board.

Signed-off-by: Sachin Kamat <sachin.kamat@linaro.org>
Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>

1 files changed, 11 insertions, 0 deletions

diff --git a/arch/arm/boot/dts/exynos5420-arndale-octa.dts b/arch/arm/boot/dts/exynos5420-arndale-octa.dts
index 492b2ce3495b..99657452ecd8 100644
--- a/arch/arm/boot/dts/exynos5420-arndale-octa.dts
+++ b/arch/arm/boot/dts/exynos5420-arndale-octa.dts
@@ -12,6 +12,7 @@
 /dts-v1/;
 #include "exynos5420.dtsi"
 #include <dt-bindings/interrupt-controller/irq.h>
+#include <dt-bindings/input/input.h>
 
 / {
         model = "Insignal Arndale Octa evaluation board based on EXYNOS5420";
@@ -348,4 +349,14 @@
                 };
         };
 
+        gpio_keys {
+                compatible = "gpio-keys";
+
+                wakeup {
+                        label = "SW-TACT1";
+                        gpios = <&gpx2 7 1>;
+                        linux,code = <KEY_WAKEUP>;
+                        gpio-key,wakeup;
+                };
+        };
 };