diff --git a/Documentation/devicetree/bindings/display/bridge/toshiba,tc358767.yaml b/Documentation/devicetree/bindings/display/bridge/toshiba,tc358767.yaml
index 2ad0cd6dd49e067bc6b519862998e4f812412021..b78f64c9c5f44ec1cba3dbc149fb96a41fccc311 100644
--- a/Documentation/devicetree/bindings/display/bridge/toshiba,tc358767.yaml
+++ b/Documentation/devicetree/bindings/display/bridge/toshiba,tc358767.yaml
@@ -92,12 +92,31 @@ properties:
             reference to a valid DPI output or input endpoint node.
 
       port@2:
-        $ref: /schemas/graph.yaml#/properties/port
+        $ref: /schemas/graph.yaml#/$defs/port-base
+        unevaluatedProperties: false
         description: |
             eDP/DP output port. The remote endpoint phandle should be a
             reference to a valid eDP panel input endpoint node. This port is
             optional, treated as DP panel if not defined
 
+        properties:
+          endpoint:
+            $ref: /schemas/media/video-interfaces.yaml#
+            unevaluatedProperties: false
+
+            properties:
+              toshiba,pre-emphasis:
+                description:
+                  Display port output Pre-Emphasis settings for both DP lanes.
+                $ref: /schemas/types.yaml#/definitions/uint8-array
+                minItems: 2
+                maxItems: 2
+                items:
+                  enum:
+                    - 0 # No pre-emphasis
+                    - 1 # 3.5dB pre-emphasis
+                    - 2 # 6dB pre-emphasis
+
     oneOf:
       - required:
           - port@0