diff --git a/arch/arm/boot/dts/at91sam9n12ek.dts b/arch/arm/boot/dts/at91sam9n12ek.dts
index 83d723711ae1..13bb24ea971a 100644
--- a/arch/arm/boot/dts/at91sam9n12ek.dts
+++ b/arch/arm/boot/dts/at91sam9n12ek.dts
@@ -136,6 +136,8 @@
 		};
 
 		usb0: ohci@00500000 {
+			num-ports = <1>;
+			atmel,vbus-gpio = <&pioB 7 GPIO_ACTIVE_LOW>;
 			status = "okay";
 		};
 	};