ARM: dts: Add nodes for GPIO keys available on Trats

This patch extends dts file of Samsung Trats board to add support for
available GPIO keys using gpio-keys driver.

Signed-off-by: Tomasz Figa <t.figa@samsung.com>
Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>

1 files changed, 33 insertions, 0 deletions

diff --git a/arch/arm/boot/dts/exynos4210-trats.dts b/arch/arm/boot/dts/exynos4210-trats.dts
index 661854b03f8e..dcfa04b336c7 100644
--- a/arch/arm/boot/dts/exynos4210-trats.dts
+++ b/arch/arm/boot/dts/exynos4210-trats.dts
@@ -65,6 +65,39 @@
                 status = "okay";
         };
 
+        gpio-keys {
+                compatible = "gpio-keys";
+
+                vol-down-key {
+                        gpios = <&gpx2 1 1>;
+                        linux,code = <114>;
+                        label = "volume down";
+                        debounce-interval = <10>;
+                };
+
+                vol-up-key {
+                        gpios = <&gpx2 0 1>;
+                        linux,code = <115>;
+                        label = "volume up";
+                        debounce-interval = <10>;
+                };
+
+                power-key {
+                        gpios = <&gpx2 7 1>;
+                        linux,code = <116>;
+                        label = "power";
+                        debounce-interval = <10>;
+                        gpio-key,wakeup;
+                };
+
+                ok-key {
+                        gpios = <&gpx3 5 1>;
+                        linux,code = <352>;
+                        label = "ok";
+                        debounce-interval = <10>;
+                };
+        };
+
         i2c@138B0000 {
                 samsung,i2c-sda-delay = <100>;
                 samsung,i2c-slave-addr = <0x10>;