[PATCH] dt-bindings: display/msm: dp-controller: allow eDP for X1E8 and SA8775P

[Jessica Zhang]

On 7/19/2025 2:14 AM, Dmitry Baryshkov wrote:
> 
> On Qualcomm SA8775P and X1E80100 the DP controller might be driving
> either a DisplayPort or a eDP sink (depending on the PHY that is tied to
> the controller). Reflect that in the schema.
> 
> Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov at oss.qualcomm.com>
> ---
> 
> Jessica, your X1E8 patch also triggers warnings for several X1E8-based
> laptops. Please include this patch into the series (either separately
> or, better, by squashing into your first patch).

Hey Dmitry,

Thanks for providing this patch -- I'll squash this with patch 1 and add 
your signed-off-by w/note.

Thanks,

Jessica Zhang

> 
> ---
>   .../bindings/display/msm/dp-controller.yaml   | 26 ++++++++++++++-----
>   1 file changed, 20 insertions(+), 6 deletions(-)
> 
> diff --git a/Documentation/devicetree/bindings/display/msm/dp-controller.yaml b/Documentation/devicetree/bindings/display/msm/dp-controller.yaml
> index 4676aa8db2f4..55e37ec74591 100644
> --- a/Documentation/devicetree/bindings/display/msm/dp-controller.yaml
> +++ b/Documentation/devicetree/bindings/display/msm/dp-controller.yaml
> @@ -176,12 +176,26 @@ allOf:
>         properties:
>           "#sound-dai-cells": false
>       else:
> -      properties:
> -        aux-bus: false
> -        reg:
> -          minItems: 5
> -      required:
> -        - "#sound-dai-cells"
> +      if:
> +        properties:
> +          compatible:
> +            contains:
> +              enum:
> +                - qcom,sa8775p-dp
> +                - qcom,x1e80100-dp
> +      then:
> +        oneOf:
> +          - required:
> +              - aux-bus
> +          - required:
> +              - "#sound-dai-cells"
> +      else:
> +        properties:
> +          aux-bus: false
> +          reg:
> +            minItems: 5
> +        required:
> +          - "#sound-dai-cells"
>   
>   additionalProperties: false
>