diff --git a/Documentation/devicetree/bindings/display/msm/dp-controller.yaml b/Documentation/devicetree/bindings/display/msm/dp-controller.yaml
index f2515af8256f0f9734a54efc46d9c4c3586a719a..413a219d60785746593941af56071ecae3f7de2e 100644
--- a/Documentation/devicetree/bindings/display/msm/dp-controller.yaml
+++ b/Documentation/devicetree/bindings/display/msm/dp-controller.yaml
@@ -127,11 +127,10 @@ allOf:
             enum:
               - qcom,sc7280-edp
               - qcom,sc8180x-edp
+              - qcom,sc8280xp-edp
     then:
       properties:
         "#sound-dai-cells": false
-        reg:
-          maxItems: 4
     else:
       properties:
         aux-bus: false