diff --git a/Documentation/devicetree/bindings/ata/sata-common.yaml b/Documentation/devicetree/bindings/ata/sata-common.yaml
index 58c9342b9925..97cd69ebf331 100644
--- a/Documentation/devicetree/bindings/ata/sata-common.yaml
+++ b/Documentation/devicetree/bindings/ata/sata-common.yaml
@@ -54,4 +54,7 @@ $defs:
           each port can have a Port Multiplier attached thus allowing to
           access more than one drive by means of a single SATA port.
 
+      port:
+        $ref: /schemas/graph.yaml#/properties/port
+
 ...