Hi Jacopo,

Thank you for the patch.

On Wed, May 08, 2019 at 07:34:21PM +0200, Jacopo Mondi wrote:
> Document the newly added 'cmms' property which accepts a list of phandle
> and channel index pairs that point to the CMM units available for each
> Display Unit output video channel.
> 
> Signed-off-by: Jacopo Mondi <jacopo+rene...@jmondi.org>
> ---
>  Documentation/devicetree/bindings/display/renesas,du.txt | 4 ++++
>  1 file changed, 4 insertions(+)
> 
> diff --git a/Documentation/devicetree/bindings/display/renesas,du.txt 
> b/Documentation/devicetree/bindings/display/renesas,du.txt
> index aedb22b4d161..2ccf78bf9a18 100644
> --- a/Documentation/devicetree/bindings/display/renesas,du.txt
> +++ b/Documentation/devicetree/bindings/display/renesas,du.txt
> @@ -44,6 +44,10 @@ Required Properties:
>      instance that serves the DU channel, and the channel index identifies the
>      LIF instance in that VSP.
>  
> +  - cmms: A list of phandle and channel index tuples to the CMM modules
> +    connected to DU channels. The phandle identifies the CMM instance that
> +    serves the DU channel identified by the index.

Do we need the index ?

It should also be noted that the property is optional for SoCs that
don't have any CMM.

> +
>  Required nodes:
>  
>  The connections to the DU output video ports are modeled using the OF graph

Could you update the example ?

-- 
Regards,

Laurent Pinchart

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