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>

1 files changed, 54 insertions, 0 deletions

diff --git a/arch/arm/boot/dts/r8a7791-koelsch-reference.dts b/arch/arm/boot/dts/r8a7791-koelsch-reference.dts
index 19192731c24a..588ca17ea1f0 100644
--- 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 {