| /* 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 */ |