Re: [PATCH v4 6/6] dt-bindings: media: rcar-vin: Clarify optional props

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Hi Jacopo,

On Tue, Jun 12, 2018 at 04:26:06PM +0200, Jacopo Mondi wrote:
> Add a note to the R-Car VIN interface bindings to clarify that all
> properties listed as generic properties in video-interfaces.txt can
> be included in port@0 endpoint, but if not explicitly listed in the
> interface bindings documentation, they do not modify it behaviour.
> 
> Signed-off-by: Jacopo Mondi <jacopo+renesas@xxxxxxxxxx>
> ---
>  Documentation/devicetree/bindings/media/rcar_vin.txt | 6 ++++++
>  1 file changed, 6 insertions(+)
> 
> diff --git a/Documentation/devicetree/bindings/media/rcar_vin.txt b/Documentation/devicetree/bindings/media/rcar_vin.txt
> index 8130849..03544c7 100644
> --- a/Documentation/devicetree/bindings/media/rcar_vin.txt
> +++ b/Documentation/devicetree/bindings/media/rcar_vin.txt
> @@ -55,6 +55,12 @@ from local SoC CSI-2 receivers (port1) depending on SoC.
>        instances that are connected to external pins should have port 0.
>  
>        - Optional properties for endpoint nodes of port@0:
> +
> +        All properties described in [1] and which apply to the selected
> +        media bus type could be optionally listed here to better describe
> +        the current hardware configuration, but only the following ones do
> +        actually modify the VIN interface behaviour:
> +

I don't think this should be needed. You should only have properties that
describe the hardware configuration in a given system.

>          - hsync-active: see [1] for description. Default is active high.
>          - vsync-active: see [1] for description. Default is active high.
>          - data-enable-active: polarity of CLKENB signal, see [1] for
> -- 
> 2.7.4
> 

-- 
Sakari Ailus
sakari.ailus@xxxxxxxxxxxxxxx



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