diff --git a/arch/arm/mach-imx/include/mach/usb.h b/arch/arm/mach-imx/include/mach/usb.h
index 5d6670d06..924498911 100644
--- a/arch/arm/mach-imx/include/mach/usb.h
+++ b/arch/arm/mach-imx/include/mach/usb.h
@@ -11,4 +11,7 @@
 #define MX35_H1_USBTE_BIT	(1 << 4)
 #define MXC_EHCI_INTERFACE_SINGLE_UNI	(2 << 0)
 
+int imx6_usb_phy1_disable_oc(void);
+int imx6_usb_phy1_enable(void);
+
 #endif /* __MACH_USB_H_*/