diff --git a/drivers/usb/otg/ulpi.c b/drivers/usb/otg/ulpi.c
index badb05b..19f64e0 100644
--- a/drivers/usb/otg/ulpi.c
+++ b/drivers/usb/otg/ulpi.c
@@ -178,18 +178,18 @@
 	int ret;
 
 	if (on) {
-		ret = ulpi_set(DRV_VBUS_EXT |		/* enable external Vbus */
-				DRV_VBUS |		/* enable internal Vbus */
-				USE_EXT_VBUS_IND |	/* use external indicator */
-				CHRG_VBUS,		/* charge Vbus */
+		ret = ulpi_set(ULPI_OTG_DRV_VBUS_EXT |		/* enable external Vbus */
+				ULPI_OTG_DRV_VBUS |		/* enable internal Vbus */
+				ULPI_OTG_USE_EXT_VBUS_IND |	/* use external indicator */
+				ULPI_OTG_CHRG_VBUS,		/* charge Vbus */
 				ULPI_OTGCTL, view);
 	} else {
-		ret = ulpi_clear(DRV_VBUS_EXT |		/* disable external Vbus */
-				DRV_VBUS,		/* disable internal Vbus */
+		ret = ulpi_clear(ULPI_OTG_DRV_VBUS_EXT |		/* disable external Vbus */
+				ULPI_OTG_DRV_VBUS,		/* disable internal Vbus */
 				ULPI_OTGCTL, view);
 
-		ret |= ulpi_set(USE_EXT_VBUS_IND |	/* use external indicator */
-				DISCHRG_VBUS,		/* discharge Vbus */
+		ret |= ulpi_set(ULPI_OTG_USE_EXT_VBUS_IND |	/* use external indicator */
+				ULPI_OTG_DISCHRG_VBUS,		/* discharge Vbus */
 				ULPI_OTGCTL, view);
 	}
 
diff --git a/include/usb/ulpi.h b/include/usb/ulpi.h
index 7c868a5..e45ea6e 100644
--- a/include/usb/ulpi.h
+++ b/include/usb/ulpi.h
@@ -12,6 +12,7 @@
 #define ULPI_VID_HIGH		0x01	/* Vendor ID high */
 #define ULPI_PID_LOW		0x02	/* Product ID low */
 #define ULPI_PID_HIGH		0x03	/* Product ID high */
+#define ULPI_FUNCTION_CTRL	0x04
 #define ULPI_ITFCTL		0x07	/* Interface Control */
 #define ULPI_OTGCTL		0x0A	/* OTG Control */
 
@@ -19,15 +20,40 @@
 #define ULPI_REG_SET		0x01
 #define ULPI_REG_CLEAR		0x02
 
+/* Function Control */
+#define ULPI_FC_XCVRSEL_MASK		(3 << 0)
+#define ULPI_FC_HIGH_SPEED		(0 << 0)
+#define ULPI_FC_FULL_SPEED		(1 << 0)
+#define ULPI_FC_LOW_SPEED		(2 << 0)
+#define ULPI_FC_FS4LS			(3 << 0)
+#define ULPI_FC_TERMSELECT		(1 << 2)
+#define ULPI_FC_OPMODE_MASK		(3 << 3)
+#define ULPI_FC_OPMODE_NORMAL		(0 << 3)
+#define ULPI_FC_OPMODE_NONDRIVING	(1 << 3)
+#define ULPI_FC_OPMODE_DISABLE_NRZI	(2 << 3)
+#define ULPI_FC_OPMODE_NOSYNC_NOEOP	(3 << 3)
+#define ULPI_FC_RESET			(1 << 5)
+#define ULPI_FC_SUSPENDM		(1 << 6)
+
+/* Interface Control */
+#define ULPI_IFACE_6_PIN_SERIAL_MODE	(1 << 0)
+#define ULPI_IFACE_3_PIN_SERIAL_MODE	(1 << 1)
+#define ULPI_IFACE_CARKITMODE		(1 << 2)
+#define ULPI_IFACE_CLOCKSUSPENDM	(1 << 3)
+#define ULPI_IFACE_AUTORESUME		(1 << 4)
+#define ULPI_IFACE_EXTVBUS_COMPLEMENT	(1 << 5)
+#define ULPI_IFACE_PASSTHRU		(1 << 6)
+#define ULPI_IFACE_PROTECT_IFC_DISABLE	(1 << 7)
+
 /* ULPI OTG Control Register bits */
-#define USE_EXT_VBUS_IND	(1 << 7)	/* Use ext. Vbus indicator */
-#define DRV_VBUS_EXT		(1 << 6)	/* Drive Vbus external */
-#define DRV_VBUS		(1 << 5)	/* Drive Vbus */
-#define CHRG_VBUS		(1 << 4)	/* Charge Vbus */
-#define DISCHRG_VBUS		(1 << 3)	/* Discharge Vbus */
-#define DM_PULL_DOWN		(1 << 2)	/* enable DM Pull Down */
-#define DP_PULL_DOWN		(1 << 1)	/* enable DP Pull Down */
-#define ID_PULL_UP		(1 << 0)	/* enable ID Pull Up */
+#define ULPI_OTG_USE_EXT_VBUS_IND	(1 << 7)	/* Use ext. Vbus indicator */
+#define ULPI_OTG_DRV_VBUS_EXT		(1 << 6)	/* Drive Vbus external */
+#define ULPI_OTG_DRV_VBUS		(1 << 5)	/* Drive Vbus */
+#define ULPI_OTG_CHRG_VBUS		(1 << 4)	/* Charge Vbus */
+#define ULPI_OTG_DISCHRG_VBUS		(1 << 3)	/* Discharge Vbus */
+#define ULPI_OTG_DM_PULL_DOWN		(1 << 2)	/* enable DM Pull Down */
+#define ULPI_OTG_DP_PULL_DOWN		(1 << 1)	/* enable DP Pull Down */
+#define ULPI_OTG_ID_PULL_UP		(1 << 0)	/* enable ID Pull Up */
 
 #endif /* __MACH_ULPI_H */