Re: [PATCH v3 1/2] dt-bindings: samsung,mipi-dsim: Add 'lane-polarities'

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On 09/05/2023 21:10, Fabio Estevam wrote:
> From: Fabio Estevam <festevam@xxxxxxx>
> 
> The Samsung DSIM IP block allows the inversion of the clock and
> data lanes.
> 
> Add an optional property called 'lane-polarities' that describes the
> polarities of the MIPI DSI clock and data lanes.
> 
> This property is useful for properly describing the hardware when the
> board designer decided to switch the polarities of the MIPI DSI
> clock and/or data lanes.
> 
> Signed-off-by: Fabio Estevam <festevam@xxxxxxx>
> ---
> Changes since v2:
> - Use video-interfaces.yaml (Rob).
> 
>  .../display/bridge/samsung,mipi-dsim.yaml     | 29 +++++++++++++++++++
>  1 file changed, 29 insertions(+)
> 
> diff --git a/Documentation/devicetree/bindings/display/bridge/samsung,mipi-dsim.yaml b/Documentation/devicetree/bindings/display/bridge/samsung,mipi-dsim.yaml
> index e841659e20cd..dad6d06fbdd9 100644
> --- a/Documentation/devicetree/bindings/display/bridge/samsung,mipi-dsim.yaml
> +++ b/Documentation/devicetree/bindings/display/bridge/samsung,mipi-dsim.yaml
> @@ -105,6 +105,35 @@ properties:
>            DSI output port node to the panel or the next bridge
>            in the chain.
>  
> +        properties:
> +          endpoint:
> +            $ref: /schemas/media/video-interfaces.yaml#
> +            unevaluatedProperties: false
> +
> +            properties:
> +              data-lanes:
> +                oneOf:

Drop oneOf, no need for it.

> +                  - minItems: 1
> +                    maxItems: 4
> +                    uniqueItems: true
> +                    items:
> +                      enum: [ 1, 2, 3, 4 ]
> +                    description:
> +                      See ../../media/video-interfaces.yaml for details.

Drop description, it's obvious.

> +
> +              lane-polarities:
> +                minItems: 1
> +                maxItems: 5
> +                items:
> +                  enum: [ 0, 1 ]

Drop items, it's already in video-interfaces.

> +                description:
> +                  See ../../media/video-interfaces.yaml for details.

Drop this piece.

> +                  The Samsung MIPI DSI IP requires that all the data lanes have
> +                  the same polarity.
> +
> +            dependencies:
> +              lane-polarities: [data-lanes]
> +
>  required:
>    - clock-names
>    - clocks

Best regards,
Krzysztof




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