ARM: dts: AM33XX: Add push-buttons device tree data to am335x-evmsk

Add gpio based push buttons device tree data to am335x-evmsk device
by adding all the necessary parameters like key-code, gpios and etc.

Signed-off-by: AnilKumar Ch <anilkumar@ti.com>
Signed-off-by: Benoit Cousson <b-cousson@ti.com>

1 files changed, 31 insertions, 0 deletions

diff --git a/arch/arm/boot/dts/am335x-evmsk.dts b/arch/arm/boot/dts/am335x-evmsk.dts
index 0f825dd2d178..f5a6162a4ff2 100644
--- a/arch/arm/boot/dts/am335x-evmsk.dts
+++ b/arch/arm/boot/dts/am335x-evmsk.dts
@@ -139,6 +139,37 @@
                         default-state = "off";
                 };
         };
+
+        gpio_buttons: gpio_buttons@0 {
+                compatible = "gpio-keys";
+                #address-cells = <1>;
+                #size-cells = <0>;
+
+                switch@1 {
+                        label = "button0";
+                        linux,code = <0x100>;
+                        gpios = <&gpio3 3 0>;
+                };
+
+                switch@2 {
+                        label = "button1";
+                        linux,code = <0x101>;
+                        gpios = <&gpio3 2 0>;
+                };
+
+                switch@3 {
+                        label = "button2";
+                        linux,code = <0x102>;
+                        gpios = <&gpio1 30 0>;
+                        gpio-key,wakeup;
+                };
+
+                switch@4 {
+                        label = "button3";
+                        linux,code = <0x103>;
+                        gpios = <&gpio3 5 0>;
+                };
+        };
 };
 
 /include/ "tps65910.dtsi"