ARM: UniPhier: add I/O pin settings for xHCI on PH1-Pro4

This is necessary to use the xHCI cores for PH1-Pro4.

Signed-off-by: Masahiro Yamada <yamada.m@jp.panasonic.com>
diff --git a/arch/arm/mach-uniphier/ph1-pro4/pinctrl.c b/arch/arm/mach-uniphier/ph1-pro4/pinctrl.c
index c8c0267..f382ef4 100644
--- a/arch/arm/mach-uniphier/ph1-pro4/pinctrl.c
+++ b/arch/arm/mach-uniphier/ph1-pro4/pinctrl.c
@@ -41,6 +41,13 @@
 	sg_set_pinsel(54, 0);	/* NRYBY0 -> NRYBY0 */
 #endif
 
+#ifdef CONFIG_USB_XHCI_UNIPHIER
+	sg_set_pinsel(180, 0);	/* USB0VBUS -> USB0VBUS */
+	sg_set_pinsel(181, 0);	/* USB0OD   -> USB0OD */
+	sg_set_pinsel(182, 0);	/* USB1VBUS -> USB1VBUS */
+	sg_set_pinsel(183, 0);	/* USB1OD   -> USB1OD */
+#endif
+
 #ifdef CONFIG_USB_EHCI_UNIPHIER
 	sg_set_pinsel(184, 0);	/* USB2VBUS -> USB2VBUS */
 	sg_set_pinsel(185, 0);	/* USB2OD   -> USB2OD */