[PATCH] dt-bindings: display/msm: qcom,sm8250-mdss: add DisplayPort controller node

[Krzysztof Kozlowski]

Document the DisplayPort controller node in MDSS binding, already used
in DTS:

  sm8250-xiaomi-elish-boe.dtb: display-subsystem@ae00000: Unevaluated properties are not allowed ('displayport-controller@ae90000' was unexpected)

Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@xxxxxxxxxx>
---
 .../bindings/display/msm/qcom,sm8250-mdss.yaml         | 10 ++++++++++
 1 file changed, 10 insertions(+)

diff --git a/Documentation/devicetree/bindings/display/msm/qcom,sm8250-mdss.yaml b/Documentation/devicetree/bindings/display/msm/qcom,sm8250-mdss.yaml
index 994975909fea..51368cda7b2f 100644
--- a/Documentation/devicetree/bindings/display/msm/qcom,sm8250-mdss.yaml
+++ b/Documentation/devicetree/bindings/display/msm/qcom,sm8250-mdss.yaml
@@ -52,6 +52,16 @@ patternProperties:
       compatible:
         const: qcom,sm8250-dpu
 
+  "^displayport-controller@[0-9a-f]+$":
+    type: object
+    additionalProperties: true
+
+    properties:
+      compatible:
+        items:
+          - const: qcom,sm8250-dp
+          - const: qcom,sm8350-dp
+
   "^dsi@[0-9a-f]+$":
     type: object
     additionalProperties: true
-- 
2.34.1