Re: [PATCH v3 1/3] dt-bindings: media: renesas,isp: Add Gen4 family fallback

[Rob Herring <robh@kernel.org>]

On Wed, Oct 02, 2024 at 12:33:16PM +0200, Niklas Söderlund wrote:
> The ISP Channel Selector IP is the same for all current Gen4 devices.
> This was not known when adding support for V3U and V4H and a single SoC
> specific compatible was used.
> 
> Before adding more SoC specific bindings for V4M add a family compatible
> fallback for Gen4. That way the driver only needs to be updated once for
> Gen4, and we still have the option to fix any problems in the driver if
> any testable differences between the SoCs are found.
> 
> There are already DTS files using the V3U and V4H compatibles which
> needs to be updated to not produce a warning for DTS checks. The driver
> also needs to kept the compatible values to be backward compatible , but
> for new Gen4 SoCs such as V4M we can avoid this.
> 
> Signed-off-by: Niklas Söderlund <niklas.soderlund+renesas@ragnatech.se>
> Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be>
> ---
> * Changes since v1
> - New in v2.
> ---
>  Documentation/devicetree/bindings/media/renesas,isp.yaml | 3 ++-
>  1 file changed, 2 insertions(+), 1 deletion(-)

Acked-by: Rob Herring (Arm) <robh@kernel.org>