1 files changed, 28 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/arm/mediatek/mediatek,mmsys.yaml b/Documentation/devicetree/bindings/arm/mediatek/mediatek,mmsys.yaml
index b3c6888c1457..3f4262e93c78 100644
--- a/Documentation/devicetree/bindings/arm/mediatek/mediatek,mmsys.yaml
+++ b/Documentation/devicetree/bindings/arm/mediatek/mediatek,mmsys.yaml
@@ -93,6 +93,34 @@ properties:
   '#reset-cells':
     const: 1
 
+  port:
+    $ref: /schemas/graph.yaml#/properties/port
+    description:
+      Output port node. This port connects the MMSYS/VDOSYS output to
+      the first component of one display pipeline, for example one of
+      the available OVL or RDMA blocks.
+      Some MediaTek SoCs support multiple display outputs per MMSYS.
+    properties:
+      endpoint@0:
+        $ref: /schemas/graph.yaml#/properties/endpoint
+        description: Output to the primary display pipeline
+
+      endpoint@1:
+        $ref: /schemas/graph.yaml#/properties/endpoint
+        description: Output to the secondary display pipeline
+
+      endpoint@2:
+        $ref: /schemas/graph.yaml#/properties/endpoint
+        description: Output to the tertiary display pipeline
+
+    anyOf:
+      - required:
+          - endpoint@0
+      - required:
+          - endpoint@1
+      - required:
+          - endpoint@2
+
 required:
   - compatible
   - reg