diff --git a/drivers/usb/mtu3/mtu3_core.c b/drivers/usb/mtu3/mtu3_core.c
index eecfd067136287a65c89bb58409bf054f9ea6e1c..d045d8458f81c27930a090ab06ee1539cfeb420a 100644
--- a/drivers/usb/mtu3/mtu3_core.c
+++ b/drivers/usb/mtu3/mtu3_core.c
@@ -107,8 +107,12 @@ static int mtu3_device_enable(struct mtu3 *mtu)
 		(SSUSB_U2_PORT_DIS | SSUSB_U2_PORT_PDN |
 		SSUSB_U2_PORT_HOST_SEL));
 
-	if (mtu->ssusb->dr_mode == USB_DR_MODE_OTG)
+	if (mtu->ssusb->dr_mode == USB_DR_MODE_OTG) {
 		mtu3_setbits(ibase, SSUSB_U2_CTRL(0), SSUSB_U2_PORT_OTG_SEL);
+		if (mtu->is_u3_ip)
+			mtu3_setbits(ibase, SSUSB_U3_CTRL(0),
+				     SSUSB_U3_PORT_DUAL_MODE);
+	}
 
 	return ssusb_check_clocks(mtu->ssusb, check_clk);
 }
diff --git a/drivers/usb/mtu3/mtu3_hw_regs.h b/drivers/usb/mtu3/mtu3_hw_regs.h
index 6ee371478d89e320e53318161007771608b64713..a45bb253939f2c8e1a85c1e7ee7b84ad3f0182a5 100644
--- a/drivers/usb/mtu3/mtu3_hw_regs.h
+++ b/drivers/usb/mtu3/mtu3_hw_regs.h
@@ -459,6 +459,7 @@
 
 /* U3D_SSUSB_U3_CTRL_0P */
 #define SSUSB_U3_PORT_SSP_SPEED	BIT(9)
+#define SSUSB_U3_PORT_DUAL_MODE	BIT(7)
 #define SSUSB_U3_PORT_HOST_SEL		BIT(2)
 #define SSUSB_U3_PORT_PDN		BIT(1)
 #define SSUSB_U3_PORT_DIS		BIT(0)