blob: 147a8aefc64384349cff6ec8eb90faa94507341d [file] [edit]
/* SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) */
#ifndef _DT_BINDINGS_SOC_RENESAS_R8A78000_MFIS_H
#define _DT_BINDINGS_SOC_RENESAS_R8A78000_MFIS_H
/*
* Constants for the second mbox-cell of the Renesas MFIS IP core. To be treated
* as bit flags which can be ORed.
*/
/*
* MFIS HW design before r8a78001 requires a channel to be marked as either
* TX or RX.
*/
#define MFIS_CHANNEL_TX (0 << 0)
#define MFIS_CHANNEL_RX (1 << 0)
/*
* MFIS variants before r8a78001 work with pairs of IICR and EICR registers.
* Usually, it is specified in the datasheets which of the two a specific core
* should use. Then, it does not need extra description in DT. For plain MFIS
* of r8a78000, this is selectable, though. According to the system design and
* the firmware in use, these channels need to be marked. This is not needed
* with other versions of the MFIS, not even with MFIS-SCP of r8a78000.
*/
#define MFIS_CHANNEL_IICR (0 << 1)
#define MFIS_CHANNEL_EICR (1 << 1)
#endif /* _DT_BINDINGS_SOC_RENESAS_R8A78000_MFIS_H */