diff --git a/Documentation/devicetree/bindings/sound/audio-graph-port.yaml b/Documentation/devicetree/bindings/sound/audio-graph-port.yaml
index fa66b73abcaf..6fcf7f567424 100644
--- a/Documentation/devicetree/bindings/sound/audio-graph-port.yaml
+++ b/Documentation/devicetree/bindings/sound/audio-graph-port.yaml
@@ -97,6 +97,18 @@ definitions:
               minimum: 1
               maximum: 64
 
+  ports:
+    $ref: "#/definitions/port-base"
+    unevaluatedProperties: false
+    patternProperties:
+      "^port(@[0-9a-f]+)?$":
+        $ref: "#/definitions/port-base"
+        unevaluatedProperties: false
+        patternProperties:
+          "^endpoint(@[0-9a-f]+)?":
+            $ref: "#/definitions/endpoint-base"
+            unevaluatedProperties: false
+
 allOf:
   - $ref: "#/definitions/port-base"