Re: [PATCH] dt-bindings: display: bridge: Drop requirement on input port for DSI devices

Rob Herring
2022-03-31T23:52:57Z

On Wed, 23 Mar 2022 16:48:23 +0100, Maxime Ripard wrote:
> MIPI-DSI devices, if they are controlled through the bus itself, have to
> be described as a child node of the controller they are attached to.
>
> Thus, there's no requirement on the controller having an OF-Graph output
> port to model the data stream: it's assumed that it would go from the
> parent to the child.
>
> However, some bridges controlled through the DSI bus still require an
> input OF-Graph port, thus requiring a controller with an OF-Graph output
> port. This prevents those bridges from being used with the controllers
> that do not have one without any particular reason to.
>
> Let's drop that requirement.
>
> Signed-off-by: Maxime Ripard <maxime@cerno.tech>
> ---
> .../devicetree/bindings/display/bridge/chipone,icn6211.yaml | 1 -
> .../devicetree/bindings/display/bridge/toshiba,tc358762.yaml | 1 -
> 2 files changed, 2 deletions(-)
>

I tend to agree with port@0 not being needed and really like
consistency.

Reviewed-by: Rob Herring <robh@kernel.org>