sh-pfc: sh73a0: Add USB pin groups and functions

Signed-off-by: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>
Acked-by: Linus Walleij <linus.walleij@linaro.org>
diff --git a/drivers/pinctrl/sh-pfc/pfc-sh73a0.c b/drivers/pinctrl/sh-pfc/pfc-sh73a0.c
index 76674af..61c682a 100644
--- a/drivers/pinctrl/sh-pfc/pfc-sh73a0.c
+++ b/drivers/pinctrl/sh-pfc/pfc-sh73a0.c
@@ -2909,6 +2909,14 @@
 static const unsigned int sdhi2_ctrl_mux[] = {
 	SDHICMD2_MARK, SDHICLK2_MARK,
 };
+/* - USB -------------------------------------------------------------------- */
+static const unsigned int usb_vbus_pins[] = {
+	/* VBUS */
+	0,
+};
+static const unsigned int usb_vbus_mux[] = {
+	VBUS_0_MARK,
+};
 
 static const struct sh_pfc_pin_group pinmux_groups[] = {
 	SH_PFC_PIN_GROUP(bsc_data_0_7),
@@ -3050,6 +3058,7 @@
 	SH_PFC_PIN_GROUP(sdhi2_data1),
 	SH_PFC_PIN_GROUP(sdhi2_data4),
 	SH_PFC_PIN_GROUP(sdhi2_ctrl),
+	SH_PFC_PIN_GROUP(usb_vbus),
 };
 
 static const char * const bsc_groups[] = {
@@ -3259,6 +3268,10 @@
 	"sdhi2_ctrl",
 };
 
+static const char * const usb_groups[] = {
+	"usb_vbus",
+};
+
 static const struct sh_pfc_function pinmux_functions[] = {
 	SH_PFC_FUNCTION(bsc),
 	SH_PFC_FUNCTION(fsia),
@@ -3283,6 +3296,7 @@
 	SH_PFC_FUNCTION(sdhi0),
 	SH_PFC_FUNCTION(sdhi1),
 	SH_PFC_FUNCTION(sdhi2),
+	SH_PFC_FUNCTION(usb),
 };
 
 #define PINMUX_FN_BASE	GPIO_FN_VBUS_0