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

Marek Vasut marex at denx.de
Fri Apr 1 01:22:19 UTC 2022


On 4/1/22 01:52, Rob Herring wrote:
> 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 at 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 at 0 not being needed and really like
> consistency.

The consistent thing to do would be to always use port at 0 and OF graph, no ?


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