ARM: shmobile: koelsch: dts: Add gpio-keys device

The board has 7 buttons connected to GPIOs, add a corresponding
gpio-keys device.

Signed-off-by: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>
Signed-off-by: Simon Horman <horms+renesas@verge.net.au>

diff --git a/arch/arm/boot/dts/r8a7791-koelsch-reference.dts b/arch/arm/boot/dts/r8a7791-koelsch-reference.dts
index 1919273..588ca17 100644 (file)
--- a/arch/arm/boot/dts/r8a7791-koelsch-reference.dts
+++ b/arch/arm/boot/dts/r8a7791-koelsch-reference.dts
@@ -31,6 +31,60 @@
                #size-cells = <1>;
        };
 
+       gpio-keys {
+               compatible = "gpio-keys";
+
+               key-a {
+                       gpios = <&gpio7 0 GPIO_ACTIVE_LOW>;
+                       linux,code = <30>;
+                       label = "SW30";
+                       gpio-key,wakeup;
+                       debounce-interval = <20>;
+               };
+               key-b {
+                       gpios = <&gpio7 1 GPIO_ACTIVE_LOW>;
+                       linux,code = <48>;
+                       label = "SW31";
+                       gpio-key,wakeup;
+                       debounce-interval = <20>;
+               };
+               key-c {
+                       gpios = <&gpio7 2 GPIO_ACTIVE_LOW>;
+                       linux,code = <46>;
+                       label = "SW32";
+                       gpio-key,wakeup;
+                       debounce-interval = <20>;
+               };
+               key-d {
+                       gpios = <&gpio7 3 GPIO_ACTIVE_LOW>;
+                       linux,code = <32>;
+                       label = "SW33";
+                       gpio-key,wakeup;
+                       debounce-interval = <20>;
+               };
+               key-e {
+                       gpios = <&gpio7 4 GPIO_ACTIVE_LOW>;
+                       linux,code = <18>;
+                       label = "SW34";
+                       gpio-key,wakeup;
+                       debounce-interval = <20>;
+               };
+               key-f {
+                       gpios = <&gpio7 5 GPIO_ACTIVE_LOW>;
+                       linux,code = <33>;
+                       label = "SW35";
+                       gpio-key,wakeup;
+                       debounce-interval = <20>;
+               };
+               key-g {
+                       gpios = <&gpio7 6 GPIO_ACTIVE_LOW>;
+                       linux,code = <34>;
+                       label = "SW36";
+                       gpio-key,wakeup;
+                       debounce-interval = <20>;
+               };
+       };
+
        leds {
                compatible = "gpio-leds";
                led6 {