[PATCH] dt-bindings: drm: rcar-du: Document optional reset properties

[Laurent Pinchart]

Hi Geert,

Thank you for the patch.

On Friday 03 Mar 2017 14:30:35 Geert Uytterhoeven wrote:
> Document the optional properties for describing module resets, to
> support resetting display channels and LVDS encoders on R-Car Gen2 and
> Gen3.
> 
> Signed-off-by: Geert Uytterhoeven <geert+renesas at glider.be>
> ---
>  Documentation/devicetree/bindings/display/renesas,du.txt | 10 ++++++++++
>  1 file changed, 10 insertions(+)
> 
> diff --git a/Documentation/devicetree/bindings/display/renesas,du.txt
> b/Documentation/devicetree/bindings/display/renesas,du.txt index
> 1a02f099a0ff0a3a..7873d53764a297c2 100644
> --- a/Documentation/devicetree/bindings/display/renesas,du.txt
> +++ b/Documentation/devicetree/bindings/display/renesas,du.txt
> @@ -36,6 +36,16 @@ Required Properties:
>        When supplied they must be named "dclkin.x" with "x" being the input
>        clock numerical index.
> 
> +Optional properties:
> +  - resets: A list of phandles + reset-specifier pairs, one for each entry
> in

s/phandlers/phandle/

> +    the reset-names property.

What's in the reset specifier ?

> +  - reset-names: Names of the resets. This property is model-dependent.
> +    - R8A779[0123456] use one reset for a group of one or more successive
> +      channels, and one reset per LVDS encoder (if available). The resets
> +      must be named "du.x" with "x" being the numerical index of the lowest
> +      channel in the group. The LVDS resets must be named "lvds.x" with
> "x" +      being the LVDS encoder numerical index.
> +
>  Required nodes:
> 
>  The connections to the DU output video ports are modeled using the OF graph

-- 
Regards,

Laurent Pinchart