Re: [PATCH v6 1/4] dt-bindings: display: msm: Add SM6150 DisplayPort controller
From: Dmitry Baryshkov
Date: Tue Oct 28 2025 - 15:57:51 EST
On Tue, Oct 28, 2025 at 01:06:52PM +0800, Xiangxu Yin wrote:
>
> On 10/27/2025 11:26 PM, Rob Herring wrote:
> > On Fri, Oct 24, 2025 at 01:21:01PM +0800, Xiangxu Yin wrote:
> >> SM6150 uses the same DisplayPort controller as SM8150, which is already
> >> compatible with SM8350. Add the SM6150-specific compatible string and
> >> update the binding example accordingly.
> >>
> >> Signed-off-by: Xiangxu Yin <xiangxu.yin@xxxxxxxxxxxxxxxx>
> >> ---
> >> .../devicetree/bindings/display/msm/qcom,sm6150-mdss.yaml | 10 ++++++++++
> >> 1 file changed, 10 insertions(+)
> >>
> >> diff --git a/Documentation/devicetree/bindings/display/msm/qcom,sm6150-mdss.yaml b/Documentation/devicetree/bindings/display/msm/qcom,sm6150-mdss.yaml
> >> index 9ac24f99d3ada1c197c9654dc9babebccae972ed..ba0dea2edea98cee0826cf38b3f33361666e004a 100644
> >> --- a/Documentation/devicetree/bindings/display/msm/qcom,sm6150-mdss.yaml
> >> +++ b/Documentation/devicetree/bindings/display/msm/qcom,sm6150-mdss.yaml
> >> @@ -51,6 +51,16 @@ patternProperties:
> >> compatible:
> >> const: qcom,sm6150-dpu
> >>
> >> + "^displayport-controller@[0-9a-f]+$":
> >> + type: object
> >> + additionalProperties: true
> >> + properties:
> >> + compatible:
> >> + items:
> >> + - const: qcom,sm6150-dp
> >> + - const: qcom,sm8150-dp
> >> + - const: qcom,sm8350-dp
> > The actual schema will check the order. Here, just:
> >
> > compatible:
> > contains:
> > const: qcom,sm6150-dp
>
>
> My initial plan was to use only `qcom,sm6150-dp` with `contains` as suggested.
>
> But when I tried that, CHECK_DTBS schema check failed:
> ‘displayport-controller@ae90000:compatible: ['qcom,sm6150-dp', 'qcom,sm8150-dp', 'qcom,sm8350-dp'] is too long
> from schema $id: http://devicetree.org/schemas/display/msm/qcom,sm6150-mdss.yaml’‘;
>
> So, I have added all.
Please use properties: compatible: contains:
>
>
> >
> >> +
> >> "^dsi@[0-9a-f]+$":
> >> type: object
> >> additionalProperties: true
> >>
> >> --
> >> 2.34.1
> >>
--
With best wishes
Dmitry