diff --git a/arch/arm/mach-w90x900/include/mach/regs-usb.h b/arch/arm/mach-w90x900/include/mach/regs-usb.h
new file mode 100644
index 000000000000..ab74b0c2480b
--- /dev/null
+++ b/arch/arm/mach-w90x900/include/mach/regs-usb.h
@@ -0,0 +1,35 @@
+/*
+ * arch/arm/mach-w90x900/include/mach/regs-usb.h
+ *
+ * Copyright (c) 2008 Nuvoton technology corporation.
+ *
+ * Wan ZongShun <mcuos.com@gmail.com>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation;version 2 of the License.
+ *
+ */
+
+#ifndef __ASM_ARCH_REGS_USB_H
+#define __ASM_ARCH_REGS_USB_H
+
+/* usb Control Registers  */
+#define USBH_BA		W90X900_VA_USBEHCIHOST
+#define USBD_BA		W90X900_VA_USBDEV
+#define USBO_BA		W90X900_VA_USBOHCIHOST
+
+/* USB Host Control Registers */
+#define REG_UPSCR0	(USBH_BA+0x064)
+#define REG_UPSCR1	(USBH_BA+0x068)
+#define REG_USBPCR0	(USBH_BA+0x0C4)
+#define REG_USBPCR1	(USBH_BA+0x0C8)
+
+/* USBH OHCI Control Registers */
+#define REG_OpModEn	(USBO_BA+0x204)
+/*This bit controls the polarity of over
+*current flag from external power IC.
+*/
+#define OCALow		0x08
+
+#endif /*  __ASM_ARCH_REGS_USB_H */