ARM: at91: at91sam9m10g45ek/dt: add gpio-keys support

Signed-off-by: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>
Acked-by: Nicolas Ferre <nicolas.ferre@atmel.com>

arch/arm/boot/dts/at91sam9m10g45ek.dts

@@ -59,4 +59,54 @@ d7 {
 			linux,default-trigger = "mmc0";
 		};
 	};
+
+	gpio_keys {
+		compatible = "gpio-keys";
+		#address-cells = <1>;
+		#size-cells = <0>;
+
+		left_click {
+			label = "left_click";
+			gpios = <&pioB 6 1>;
+			linux,code = <272>;
+			gpio-key,wakeup;
+		};
+
+		right_click {
+			label = "right_click";
+			gpios = <&pioB 7 1>;
+			linux,code = <273>;
+			gpio-key,wakeup;
+		};
+
+		left {
+			label = "Joystick Left";
+			gpios = <&pioB 14 1>;
+			linux,code = <105>;
+		};
+
+		right {
+			label = "Joystick Right";
+			gpios = <&pioB 15 1>;
+			linux,code = <106>;
+		};
+
+		up {
+			label = "Joystick Up";
+			gpios = <&pioB 16 1>;
+			linux,code = <103>;
+		};
+
+		down {
+			label = "Joystick Down";
+			gpios = <&pioB 17 1>;
+			linux,code = <108>;
+		};
+
+		enter {
+			label = "Joystick Press";
+			gpios = <&pioB 18 1>;
+			linux,code = <28>;
+		};
+	};
 };