[PATCH v2 1/3] dt-bindings: display: bridge: analogix-dp: Add data-lanes support for endpoint
Conor Dooley
conor at kernel.org
Thu May 21 12:50:37 PDT 2026
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
Thanks,
Conor.
>
> ---
>
> 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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