mbox series

[v3,0/6] Add RIIC support for RZ/T2H and RZ/N2H SoCs

Message ID 20250613113839.102994-1-prabhakar.mahadev-lad.rj@bp.renesas.com
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Series Add RIIC support for RZ/T2H and RZ/N2H SoCs | expand

Message

Lad, Prabhakar June 13, 2025, 11:38 a.m. UTC 
From: Lad Prabhakar <prabhakar.mahadev-lad.rj@bp.renesas.com>

Hi All,

This patch series adds support for I2C Bus Interface (RIIC) found on
the Renesas RZ/T2H (R9A09G077) and RZ/N2H (R9A09G087) SoCs. The RIIC
IP on these SoCs is similar to that on the RZ/V2H(P) SoC but has some
differences in interrupt handling and does not require resets.

v2->v3:
- Replaced `Transmit Error` -> `Transfer Error`
- Fixed the order of interrupts in the DT binding
  documentation to match the HW manual.

v1-> v2:
- Added Acked-by, Reviewed-by and Tested-by tags.
- Listed the interrupts in the order as mentioned in the
  HW manual.
- Renamed the interrupt names to match the HW manual.
- Initialized the members of `riic_of_data` in the order they are
  declared in the struct.

Cheers,
Prabhakar

Lad Prabhakar (6):
  dt-bindings: i2c: renesas,riic: Move ref for i2c-controller.yaml to
    the end
  dt-bindings: i2c: renesas,riic: Document RZ/T2H support
  dt-bindings: i2c: renesas,riic: Document RZ/N2H support
  i2c: riic: Pass IRQ desc array as part of OF data
  i2c: riic: Move generic compatible string to end of array
  i2c: riic: Add support for RZ/T2H SoC

 .../devicetree/bindings/i2c/renesas,riic.yaml | 105 ++++++++++++------
 drivers/i2c/busses/i2c-riic.c                 |  54 +++++++--
 2 files changed, 117 insertions(+), 42 deletions(-)