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| author | Arnd Bergmann <arnd@arndb.de> | 2026-05-20 13:19:01 +0300 |
|---|---|---|
| committer | Arnd Bergmann <arnd@arndb.de> | 2026-05-20 13:19:01 +0300 |
| commit | b1700f8d6c8031948e2b898d2c839dfabe0ba68e (patch) | |
| tree | 2d1240515ce1d5e5b703be604a7cc59f41811b77 /include | |
| parent | 49ff66206e5fcceb8c8743b8d08f2f3ee28e1281 (diff) | |
| parent | 17e48e7e5f18b45fd4a9411090148aae3b74f7f3 (diff) | |
| download | linux-b1700f8d6c8031948e2b898d2c839dfabe0ba68e.tar.xz | |
Merge tag 'renesas-drivers-for-v7.2-tag1' of git://git.kernel.org/pub/scm/linux/kernel/git/geert/renesas-devel into soc/drivers
Renesas driver updates for v7.2
- Add Multifunctional Interface (MFIS) mailbox and product register
support for R-Car X5H,
- Miscellaneous fixes and improvements.
* tag 'renesas-drivers-for-v7.2-tag1' of git://git.kernel.org/pub/scm/linux/kernel/git/geert/renesas-devel:
soc: renesas: Convert to of_machine_get_match()
soc: renesas: Add R-Car X5H PRR support
soc: renesas: Add Renesas R-Car MFIS driver
dt-bindings: soc: renesas: Document MFIS IP core
soc: renesas: r9a09g057-sys: Move common code to a helper
soc: renesas: r9a09g056-sys: Move common code to a helper
soc: renesas: r9a09g047-sys: Move common code to a helper
soc: renesas: r9a08g046-sysc: Move common code to a helper
soc: renesas: r9a08g045-sysc: Move common code to a helper
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Diffstat (limited to 'include')
| -rw-r--r-- | include/dt-bindings/soc/renesas,r8a78000-mfis.h | 28 |
1 files changed, 28 insertions, 0 deletions
diff --git a/include/dt-bindings/soc/renesas,r8a78000-mfis.h b/include/dt-bindings/soc/renesas,r8a78000-mfis.h new file mode 100644 index 000000000000..147a8aefc643 --- /dev/null +++ b/include/dt-bindings/soc/renesas,r8a78000-mfis.h @@ -0,0 +1,28 @@ +/* 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 */ |