ARM: shmobile: Enable DSW2 with gpio-keys on KZM9D

Use the gpio-keys driver to support the 4 pins on the
dip switch DSW2 which is mounted on the KZM9D board.

Signed-off-by: Magnus Damm <damm@opensource.se>
Signed-off-by: Simon Horman <horms+renesas@verge.net.au>

1 files changed, 38 insertions, 1 deletions

diff --git a/arch/arm/boot/dts/emev2-kzm9d.dts b/arch/arm/boot/dts/emev2-kzm9d.dts
index 861aa7d6fc7d..baaa66cc39bf 100644
--- a/arch/arm/boot/dts/emev2-kzm9d.dts
+++ b/arch/arm/boot/dts/emev2-kzm9d.dts
@@ -9,7 +9,9 @@
  */
 /dts-v1/;
 
-/include/ "emev2.dtsi"
+#include "emev2.dtsi"
+#include <dt-bindings/gpio/gpio.h>
+#include <dt-bindings/input/input.h>
 
 / {
         model = "EMEV2 KZM9D Board";
@@ -54,4 +56,39 @@
                 vddvario-supply = <&reg_1p8v>;
                 vdd33a-supply = <&reg_3p3v>;
         };
+
+        gpio_keys {
+                compatible = "gpio-keys";
+                #address-cells = <1>;
+                #size-cells = <0>;
+
+                button@1 {
+                        debounce_interval = <50>;
+                        wakeup = <1>;
+                        label = "DSW2-1";
+                        linux,code = <KEY_1>;
+                        gpios = <&gpio0 14 GPIO_ACTIVE_HIGH>;
+                };
+                button@2 {
+                        debounce_interval = <50>;
+                        wakeup = <1>;
+                        label = "DSW2-2";
+                        linux,code = <KEY_2>;
+                        gpios = <&gpio0 15 GPIO_ACTIVE_HIGH>;
+                };
+                button@3 {
+                        debounce_interval = <50>;
+                        wakeup = <1>;
+                        label = "DSW2-3";
+                        linux,code = <KEY_3>;
+                        gpios = <&gpio0 16 GPIO_ACTIVE_HIGH>;
+                };
+                button@4 {
+                        debounce_interval = <50>;
+                        wakeup = <1>;
+                        label = "DSW2-4";
+                        linux,code = <KEY_4>;
+                        gpios = <&gpio0 17 GPIO_ACTIVE_HIGH>;
+                };
+        };
 };