[PATCH v2 1/3] dt-bindings: display: bridge: analogix-dp: Add data-lanes support for endpoint
Damon Ding
damon.ding at rock-chips.com
Thu May 21 18:32:30 PDT 2026
On 5/22/2026 3:50 AM, Conor Dooley wrote:
> On Thu, May 21, 2026 at 07:44:57PM +0800, Damon Ding wrote:
>> Add data-lanes property support to the port at 1 endpoint for physical
>> lane mapping configuration.
>>
>> Lane mapping is mainly used for below scenarios:
>> 1. Correct PCB lane swap and differential line routing crossover
>> without hardware changes;
>> 2. Adapt mismatched lane pin definitions between SoC and eDP panel;
>> 3. Support multiple panel hardware variants on the same board
>> by configuring data-lanes in device tree only.
>>
>> Signed-off-by: Damon Ding <damon.ding at rock-chips.com>
>
> Sashiko complaint here looks valid.
> pw-bot: changes-requested
>
Yes, unevaluatedProperties: false should be added to both the port at 1
and endpoint nodes.
Will fix in v3.
Best regards,
Damon
>
>>
>> ---
>>
>> Changes in v2:
>> - Add lane mapping application scenarios in commit message.
>> - Remove redundant deprecated property 'data-lanes' for eDP node.
>> - Update port at 1 $ref to /schemas/graph.yaml#/$defs/port-base.
>> ---
>> .../bindings/display/bridge/analogix,dp.yaml | 17 ++++++++++++-----
>> 1 file changed, 12 insertions(+), 5 deletions(-)
>>
>> diff --git a/Documentation/devicetree/bindings/display/bridge/analogix,dp.yaml b/Documentation/devicetree/bindings/display/bridge/analogix,dp.yaml
>> index 62f0521b0924..e34fdb21adb4 100644
>> --- a/Documentation/devicetree/bindings/display/bridge/analogix,dp.yaml
>> +++ b/Documentation/devicetree/bindings/display/bridge/analogix,dp.yaml
>> @@ -42,13 +42,20 @@ properties:
>> properties:
>> port at 0:
>> $ref: /schemas/graph.yaml#/properties/port
>> - description:
>> - Input node to receive pixel data.
>> + description: Input node to receive pixel data.
>>
>> port at 1:
>> - $ref: /schemas/graph.yaml#/properties/port
>> - description:
>> - Port node with one endpoint connected to a dp-connector node.
>> + $ref: /schemas/graph.yaml#/$defs/port-base
>> + description: Port node with one endpoint connected to sink device node.
>> + properties:
>> + endpoint:
>> + $ref: /schemas/media/video-interfaces.yaml#
>> + properties:
>> + data-lanes:
>> + minItems: 1
>> + maxItems: 4
>> + items:
>> + enum: [ 0, 1, 2, 3 ]
>>
>> required:
>> - port at 0
>> --
>> 2.34.1
>>
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