phy-rcar-usb: add platform data

Currently the driver hard-codes  USBPCTRL0 register to 0. It is wrong since this
register contains board-specific USB ports configuration and so its value should
be somehow passed via the platform data.  Add the global header file containing
'struct rcar_phy_platform_data' consisting of the various bit fields describing
USB ports' pin configuration.
Signed-off-by: Sergei Shtylyov <sergei.shtylyov@cogentembedded.com>
Acked-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Acked-by: Felipe Balbi <balbi@ti.com>
Signed-off-by: Simon Horman <horms+renesas@verge.net.au>

include/linux/platform_data/usb-rcar-phy.h

+/*
+ * Copyright (C) 2013 Renesas Solutions Corp.
+ * Copyright (C) 2013 Cogent Embedded, Inc.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+
+#ifndef __USB_RCAR_PHY_H
+#define __USB_RCAR_PHY_H
+
+#include <linux/types.h>
+
+struct rcar_phy_platform_data {
+	bool port1_func:1;	/* true: port 1 used by function, false: host */
+	unsigned penc1:1;	/* Output of the PENC1 pin in function mode */
+	struct {		/* Overcurrent pin control for ports 0..2 */
+		bool select_3_3v:1; /* true: USB_OVCn pin, false: OVCn pin */
+				/* Set to false on port 1 in function mode */
+		bool active_high:1; /* true: active  high, false: active low */
+				/* Set to true  on port 1 in function mode */
+	} ovc_pin[3];
+};
+
+#endif /* __USB_RCAR_PHY_H */