rcar_gen3: drivers: spi multio bus controller

Signed-off-by: ldts <jramirez@baylibre.com>
diff --git a/drivers/renesas/rcar/rpc/rpc_registers.h b/drivers/renesas/rcar/rpc/rpc_registers.h
new file mode 100644
index 0000000..326519d
--- /dev/null
+++ b/drivers/renesas/rcar/rpc/rpc_registers.h
@@ -0,0 +1,25 @@
+/*
+ * Copyright (c) 2015-2017, Renesas Electronics Corporation. All rights reserved.
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
+
+#ifndef RPC_REGISTER_H__
+#define RPC_REGISTER_H__
+
+#define RPC_BASE	(0xEE200000U)
+#define RPC_CMNCR	(RPC_BASE + 0x0000U)
+#define RPC_SSLDR	(RPC_BASE + 0x0004U)
+#define RPC_DRCR	(RPC_BASE + 0x000CU)
+#define RPC_DRCMR	(RPC_BASE + 0x0010U)
+#define RPC_DRENR	(RPC_BASE + 0x001CU)
+#define RPC_SMCR	(RPC_BASE + 0x0020U)
+#define RPC_SMCMR	(RPC_BASE + 0x0024U)
+#define RPC_SMENR	(RPC_BASE + 0x0030U)
+#define RPC_CMNSR	(RPC_BASE + 0x0048U)
+#define RPC_DRDMCR	(RPC_BASE + 0x0058U)
+#define RPC_DRDRENR	(RPC_BASE + 0x005CU)
+#define RPC_PHYCNT	(RPC_BASE + 0x007CU)
+#define RPC_PHYINT	(RPC_BASE + 0x0088U)
+
+#endif