Re: [PATCH v5 1/2] dt-bindings: display: bridge: lvds-codec: Document pixel data sampling edge select

[Laurent Pinchart <laurent.pinchart@ideasonboard.com>]

Hi Marek,

Thank you for the patch.

On Sun, Oct 17, 2021 at 02:12:03AM +0200, Marek Vasut wrote:
> The OnSemi FIN3385 Parallel-to-LVDS encoder has a dedicated input line to
> select input pixel data sampling edge. Add DT property "pclk-sample", not
> the same as the one used by display timings but rather the same as used by
> media, to define the pixel data sampling edge.
> 
> Signed-off-by: Marek Vasut <marex@denx.de>
> Cc: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
> Cc: Rob Herring <robh+dt@kernel.org>
> Cc: Sam Ravnborg <sam@ravnborg.org>
> Cc: devicetree@vger.kernel.org
> To: dri-devel@lists.freedesktop.org
> ---
> V4: New patch split from combined V3
> V5: Rebase on recent linux-next
> ---
>  .../bindings/display/bridge/lvds-codec.yaml    | 18 ++++++++++++++++++
>  1 file changed, 18 insertions(+)
> 
> diff --git a/Documentation/devicetree/bindings/display/bridge/lvds-codec.yaml b/Documentation/devicetree/bindings/display/bridge/lvds-codec.yaml
> index 1faae3e323a4..708de84ac138 100644
> --- a/Documentation/devicetree/bindings/display/bridge/lvds-codec.yaml
> +++ b/Documentation/devicetree/bindings/display/bridge/lvds-codec.yaml
> @@ -79,6 +79,14 @@ properties:
>        - port@0
>        - port@1
>  
> +  pclk-sample:
> +    description:
> +      Data sampling on rising or falling edge.
> +    enum:
> +      - 0  # Falling edge
> +      - 1  # Rising edge
> +    default: 0
> +

Shouldn't this be moved to the endpoint, the same way data-mapping is
defined as an endpoint property ?

>    powerdown-gpios:
>      description:
>        The GPIO used to control the power down line of this device.
> @@ -102,6 +110,16 @@ then:
>                properties:
>                  data-mapping: false
>  
> +if:
> +  not:
> +    properties:
> +      compatible:
> +        contains:
> +          const: lvds-encoder
> +then:
> +  properties:
> +    pclk-sample: false
> +
>  required:
>    - compatible
>    - ports

-- 
Regards,

Laurent Pinchart