Re: [PATCH v4 1/2] dt-bindings: dp-connector: add binding for DisplayPort connector

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On Mon, 30 Nov 2020 13:29:18 +0200, Tomi Valkeinen wrote:
> Add binding for DisplayPort connector. A few notes:
> 
> * Similar to hdmi-connector, it has hpd-gpios as an optional property,
>   as the HPD could also be handled by, e.g., the DP bridge.
> 
> * dp-pwr-supply, which provides 3.3V on DP_PWR pin, is optional, as it
>   is not strictly required: standard DP cables do not even have the pin
>   connected.
> 
> * Connector type. Full size and mini connectors are identical except for
>   the connector size and form, so I believe there is no functional need
>   for this property. But similar to 'label' property, it might be used
>   to present information about the connector to the userspace.
> 
> * No eDP. There's really no "eDP connector", as it's always a custom
>   made connection between the DP and the DP panel, although the eDP spec
>   does offer a few suggested pin setups. So possibly there is no need for
>   edp-connector binding, but even if there is, I don't want to guess what
>   it could look like, and could it be part of the dp-connector binding.
> 
> * No DP++. I'm not familiar with DP++. DP++ might need an i2c bus added
>   to the bindings.
> 
> Signed-off-by: Tomi Valkeinen <tomi.valkeinen@xxxxxx>
> Reviewed-by: Laurent Pinchart <laurent.pinchart@xxxxxxxxxxxxxxxx>
> ---
>  .../display/connector/dp-connector.yaml       | 56 +++++++++++++++++++
>  1 file changed, 56 insertions(+)
>  create mode 100644 Documentation/devicetree/bindings/display/connector/dp-connector.yaml
> 

Reviewed-by: Rob Herring <robh@xxxxxxxxxx>
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