diff --git a/Documentation/devicetree/bindings/display/bridge/toshiba,tc358775.yaml b/Documentation/devicetree/bindings/display/bridge/toshiba,tc358775.yaml
index 026496b1e59c..a232eb0bfb5e 100644
--- a/Documentation/devicetree/bindings/display/bridge/toshiba,tc358775.yaml
+++ b/Documentation/devicetree/bindings/display/bridge/toshiba,tc358775.yaml
@@ -46,11 +46,27 @@ properties:
 
     properties:
       port@0:
-        $ref: /schemas/graph.yaml#/properties/port
+        $ref: /schemas/graph.yaml#/$defs/port-base
+        unevaluatedProperties: false
         description: |
           DSI Input. The remote endpoint phandle should be a
           reference to a valid mipi_dsi_host device node.
 
+        properties:
+          endpoint:
+            $ref: /schemas/media/video-interfaces.yaml#
+            unevaluatedProperties: false
+
+            properties:
+              data-lanes:
+                description: array of physical DSI data lane indexes.
+                minItems: 1
+                items:
+                  - const: 1
+                  - const: 2
+                  - const: 3
+                  - const: 4
+
       port@1:
         $ref: /schemas/graph.yaml#/properties/port
         description: |
@@ -107,6 +123,7 @@ examples:
                     reg = <0>;
                     d2l_in_test: endpoint {
                         remote-endpoint = <&dsi0_out>;
+                        data-lanes = <1 2 3 4>;
                     };
                 };
 
@@ -131,7 +148,6 @@ examples:
                 reg = <1>;
                 dsi0_out: endpoint {
                     remote-endpoint = <&d2l_in_test>;
-                    data-lanes = <0 1 2 3>;
                 };
              };
          };
@@ -166,6 +182,7 @@ examples:
                     reg = <0>;
                     d2l_in_dual: endpoint {
                         remote-endpoint = <&dsi0_out_dual>;
+                        data-lanes = <1 2 3 4>;
                     };
                 };
 
@@ -197,7 +214,6 @@ examples:
                 reg = <1>;
                 dsi0_out_dual: endpoint {
                     remote-endpoint = <&d2l_in_dual>;
-                    data-lanes = <0 1 2 3>;
                 };
              };
          };