Thread (12 messages) 12 messages, 3 authors, 2026-01-13
STALE172d
Revisions (4)
  1. v1 [diff vs current]
  2. v2 [diff vs current]
  3. v3 current
  4. v4 [diff vs current]

[PATCH v3 0/4] Add CANFD support to R9A09G056/057/077/087 SoCs

From: Prabhakar <prabhakar.csengg@gmail.com>
Date: 2026-01-09 12:51:33
Also in: linux-can, linux-renesas-soc, lkml

From: Lad Prabhakar <prabhakar.mahadev-lad.rj@bp.renesas.com>

Hi All,

This patch series adds CANFD support to RZ/V2H(P), RZ/V2N, RZ/T2H and
RZ/N2H SoCs.
The CANFD controller on RZ/V2H(P) and RZ/V2N SoCs is similar to the one
on RZ/G3E SoC, while the CANFD controller on RZ/T2H and RZ/N2H SoCs is
similar to R-Car Gen 4 SoCs but with some differences in terms of
number of channels and AFLPN and CFTML bits.

The patch series includes:
- Specifying reset-names for RZ/G2L and RZ/G3E CANFD controllers.
- Documenting the CANFD controller on RZ/V2H(P) and RZ/V2N SoCs.
- Documenting the CANFD controller on RZ/T2H and RZ/N2H SoCs.
- Adding RZ/T2H SoC support in the rcar_canfd driver.c file.

Note this patch series applies on top of:
https://lore.kernel.org/all/20251126155911.320563-1-biju.das.jz@bp.renesas.com/ (local)

v2->v3:
- Updated commit message to clarify that reset-names existed previously
  but was dropped for patch 1/4.
- Grouped single compatible entries into an enum in patch 3/4.
- Updated commit message about disallowing reset-names property
  for patch 3/4.
- Added Acked-by and Reviewed-by tags.

v1->v2:
- Moved reset-names to top-level properties.

Cheers,
Prabhakar

Lad Prabhakar (4):
  dt-bindings: can: renesas,rcar-canfd: Specify reset-names
  dt-bindings: can: renesas,rcar-canfd: Document RZ/V2H(P) and RZ/V2N
    SoCs
  dt-bindings: can: renesas,rcar-canfd: Document RZ/T2H and RZ/N2H SoCs
  can: rcar_canfd: Add RZ/T2H support

 .../bindings/net/can/renesas,rcar-canfd.yaml  | 62 +++++++++++++++----
 drivers/net/can/rcar/rcar_canfd.c             | 18 ++++++
 2 files changed, 67 insertions(+), 13 deletions(-)

-- 
2.52.0
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