Re: [PATCH v4 02/17] dt-bindings: display: rockchip: analogix-dp: Add support for RK3588

[Krzysztof Kozlowski <krzk@kernel.org>]

On 26/12/2024 07:32, Damon Ding wrote:
> Compared with RK3288/RK3399, the HBR2 link rate support is the main
> improvement of RK3588 eDP TX controller, and there are also two
> independent eDP display interfaces on RK3588 Soc.
> 
> The newly added 'apb' reset is to ensure the APB bus of eDP controller
> works well on the RK3588 SoC.
> 
> Signed-off-by: Damon Ding <damon.ding@rock-chips.com>
> 
> ---
> 
> Changes in v2:
> - Add the main defferences of the RK3588 eDP and the previous versions
>   in commit message
> 
> Changes in v3:
> - Expand the property clock-names, resets and reset-names
> 
> Changes in v4:
> - Remove 'spdif' clock which added in v3
> - Add the comment of newly added 'apb' reset in commit message
> ---
>  .../bindings/display/rockchip/rockchip,analogix-dp.yaml  | 9 +++++++--
>  1 file changed, 7 insertions(+), 2 deletions(-)
> 
> diff --git a/Documentation/devicetree/bindings/display/rockchip/rockchip,analogix-dp.yaml b/Documentation/devicetree/bindings/display/rockchip/rockchip,analogix-dp.yaml
> index 60dedf9b2be7..200703905b29 100644
> --- a/Documentation/devicetree/bindings/display/rockchip/rockchip,analogix-dp.yaml
> +++ b/Documentation/devicetree/bindings/display/rockchip/rockchip,analogix-dp.yaml
> @@ -15,6 +15,7 @@ properties:
>      enum:
>        - rockchip,rk3288-dp
>        - rockchip,rk3399-edp
> +      - rockchip,rk3588-edp
>  
>    clocks:
>      minItems: 2
> @@ -31,10 +32,14 @@ properties:
>      maxItems: 1
>  
>    resets:
> -    maxItems: 1
> +    minItems: 1
> +    maxItems: 2
>  
>    reset-names:
> -    const: dp
> +    minItems: 1
> +    items:
> +      - const: dp
> +      - const: apb

I asked why existing variants get this new reset. This is not supposed
to be flexible (which I wrote as well), but constrained per variant. Or
explain why not.

Best regards,
Krzysztof