Re: [PATCH v5 1/4] dt-bindings: can: renesas,rcar-canfd: Document RZ/G3S has no Classical CAN mode

[Rob Herring <robh@kernel.org>]

On Mon, Oct 19, 2026 at 01:02:13PM +0100, Biju wrote:
> From: Biju Das <biju.das.jz@bp.renesas.com>
> 
> The description of the property that selects Classical CAN mode implies
> that every supported SoC can operate in that mode. This is not true for
> RZ/G3S, whose CAN-FD controller supports only CAN-FD mode.
> 
> Update the description to say that Classical CAN mode is not available on
> RZ/G3S, so the property is not mistakenly used for that SoC.
> 
> Signed-off-by: Biju Das <biju.das.jz@bp.renesas.com>
> ---
> v5:
>  * New patch.
> ---
>  .../devicetree/bindings/net/can/renesas,rcar-canfd.yaml       | 4 ++--
>  1 file changed, 2 insertions(+), 2 deletions(-)
> 
> diff --git a/Documentation/devicetree/bindings/net/can/renesas,rcar-canfd.yaml b/Documentation/devicetree/bindings/net/can/renesas,rcar-canfd.yaml
> index 1a7a9ce45e97..7d3330f8fc1a 100644
> --- a/Documentation/devicetree/bindings/net/can/renesas,rcar-canfd.yaml
> +++ b/Documentation/devicetree/bindings/net/can/renesas,rcar-canfd.yaml
> @@ -146,8 +146,8 @@ properties:
>      $ref: /schemas/types.yaml#/definitions/flag
>      description:
>        The controller can operate in either CAN-FD mode (default) or FD-Only
> -      mode (RZ/{G2L,G3E} and R-Car Gen4) or Classical CAN mode. Specify this
> -      property to put the controller in Classical CAN mode.
> +      mode (RZ/{G2L,G3E} and R-Car Gen4) or Classical CAN mode(except RZ/G3S}.
> +      Specify this property to put the controller in Classical CAN mode.

Can't this be expressed as a schema?

>  
>    renesas,fd-only:
>      $ref: /schemas/types.yaml#/definitions/flag
> -- 
> 2.43.0
>