diff --git a/Documentation/devicetree/bindings/display/bridge/samsung,mipi-dsim.yaml b/Documentation/devicetree/bindings/display/bridge/samsung,mipi-dsim.yaml
index e841659e20cdadc7adcb1c36298734e01e4264f3..9f61ebdfefa85b69814da809542706bbfea8789c 100644
--- a/Documentation/devicetree/bindings/display/bridge/samsung,mipi-dsim.yaml
+++ b/Documentation/devicetree/bindings/display/bridge/samsung,mipi-dsim.yaml
@@ -105,6 +105,29 @@ properties:
           DSI output port node to the panel or the next bridge
           in the chain.
 
+        properties:
+          endpoint:
+            $ref: /schemas/media/video-interfaces.yaml#
+            unevaluatedProperties: false
+
+            properties:
+              data-lanes:
+                minItems: 1
+                maxItems: 4
+                uniqueItems: true
+                items:
+                  enum: [ 1, 2, 3, 4 ]
+
+              lane-polarities:
+                minItems: 1
+                maxItems: 5
+                description:
+                  The Samsung MIPI DSI IP requires that all the data lanes have
+                  the same polarity.
+
+            dependencies:
+              lane-polarities: [data-lanes]
+
 required:
   - clock-names
   - clocks