Re: [PATCH 6/15] dt-bindings: display: sun4i: Add HDMI display bindings

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On Tue, Mar 07, 2017 at 09:56:25AM +0100, Maxime Ripard wrote:
> One of the possible output of the display pipeline, on the SoCs that have
> it, is the HDMI controller.
> 
> Add a binding for it.
> 
> Signed-off-by: Maxime Ripard <maxime.ripard@xxxxxxxxxxxxxxxxxx>
> ---
>  Documentation/devicetree/bindings/display/sunxi/sun4i-drm.txt | 21 +++++++-
>  1 file changed, 21 insertions(+), 0 deletions(-)
> 
> diff --git a/Documentation/devicetree/bindings/display/sunxi/sun4i-drm.txt b/Documentation/devicetree/bindings/display/sunxi/sun4i-drm.txt
> index b82c00449468..4b280672658e 100644
> --- a/Documentation/devicetree/bindings/display/sunxi/sun4i-drm.txt
> +++ b/Documentation/devicetree/bindings/display/sunxi/sun4i-drm.txt
> @@ -4,6 +4,27 @@ Allwinner A10 Display Pipeline
>  The Allwinner A10 Display pipeline is composed of several components
>  that are going to be documented below:
>  
> +HDMI Encoder
> +------------
> +
> +The HDMI Encoder supports the HDMI video and audio outputs, and does
> +CEC. It is one end of the pipeline.
> +
> +Required properties:
> +  - compatible: value must be one of:
> +    * allwinner,sun5i-a10s-hdmi
> +  - reg: base address and size of memory-mapped region
> +  - clocks: phandles to the clocks feeding the HDMI encoder
> +    * ahb: the HDMI interface clock
> +    * mod: the HDMI module clock
> +    * pll-0: the first video PLL
> +    * pll-1: the second video PLL
> +  - clock-names: the clock names mentioned above
> +
> +  - ports: A ports node with endpoint definitions as defined in
> +    Documentation/devicetree/bindings/media/video-interfaces.txt. The
> +    first port should be the input endpoint.

You need an output port to an HDMI connector node and an audio port.

> +
>  TV Encoder
>  ----------
>  
> -- 
> git-series 0.8.11
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