ARM: BCM5301X: Add buttons for Netgear R6250

Signed-off-by: NRafał Miłecki <zajec5@gmail.com>
Signed-off-by: NHauke Mehrtens <hauke@hauke-m.de>

arch/arm/boot/dts/bcm4708-netgear-r6250.dts

@@ -66,4 +66,29 @@
 			linux,default-trigger = "default-off";
 		};
 	};
+
+	gpio-keys {
+		compatible = "gpio-keys";
+		#address-cells = <1>;
+		#size-cells = <0>;
+		poll-interval = <200>;
+
+		wps {
+			label = "WPS";
+			linux,code = <KEY_WPS_BUTTON>;
+			gpios = <&chipcommon 4 GPIO_ACTIVE_LOW>;
+		};
+
+		rfkill {
+			label = "WiFi";
+			linux,code = <KEY_RFKILL>;
+			gpios = <&chipcommon 5 GPIO_ACTIVE_LOW>;
+		};
+
+		restart {
+			label = "Reset";
+			linux,code = <KEY_RESTART>;
+			gpios = <&chipcommon 6 GPIO_ACTIVE_LOW>;
+		};
+	};
 };

arch/arm/boot/dts/bcm5301x.dtsi

@@ -9,6 +9,7 @@
  */
 
 #include <dt-bindings/gpio/gpio.h>
+#include <dt-bindings/input/input.h>
 #include <dt-bindings/interrupt-controller/irq.h>
 #include <dt-bindings/interrupt-controller/arm-gic.h>
 #include "skeleton.dtsi"