diff --git a/arch/arm/boot/dts/usb_a9g20.dts b/arch/arm/boot/dts/usb_a9g20.dts
index 6ad4d84f903a0d3ce6cd8ab236ef9fe0de30e289..d74545a2a77cfa8cc9373c5e12e423b4ef8c0b9e 100644
--- a/arch/arm/boot/dts/usb_a9g20.dts
+++ b/arch/arm/boot/dts/usb_a9g20.dts
@@ -42,4 +42,17 @@
 			linux,default-trigger = "heartbeat";
 		};
 	};
+
+	gpio_keys {
+		compatible = "gpio-keys";
+		#address-cells = <1>;
+		#size-cells = <0>;
+
+		user_pb {
+			label = "user_pb";
+			gpios = <&pioB 10 1>;
+			linux,code = <28>;
+			gpio-key,wakeup;
+		};
+	};
 };