ARM: UniPhier: add MIO register file

This commit adds register defines of MIO (Media I/O) block
of UniPhier platform.  This file is necessary to control
the reset signals of the USB cores.

Signed-off-by: Masahiro Yamada <yamada.m@jp.panasonic.com>

arch/arm/include/asm/arch-uniphier/mio-regs.h

@@ -0,0 +1,20 @@
+/*
+ * UniPhier MIO (Media I/O) registers
+ *
+ * Copyright (C) 2014 Panasonic Corporation
+ *
+ * SPDX-License-Identifier:	GPL-2.0+
+ */
+
+#ifndef ARCH_MIO_REGS_H
+#define ARCH_MIO_REGS_H
+
+#define MIO_BASE		0x59810000
+
+#define MIO_CLKCTRL(i)		(MIO_BASE + 0x200 * (i) + 0x0020)
+#define MIO_RSTCTRL(i)		(MIO_BASE + 0x200 * (i) + 0x0110)
+#define MIO_USB_RSTCTRL(i)	(MIO_BASE + 0x200 * (i) + 0x0114)
+
+#define MIO_USB_RSTCTRL_XRST	(0x1 << 0)
+
+#endif /* ARCH_MIO_REGS_H */