diff --git a/Documentation/devicetree/bindings/mtd/arasan,nand-controller.yaml b/Documentation/devicetree/bindings/mtd/arasan,nand-controller.yaml
index b90d3b48c2f2..7154245b00e3 100644
--- a/Documentation/devicetree/bindings/mtd/arasan,nand-controller.yaml
+++ b/Documentation/devicetree/bindings/mtd/arasan,nand-controller.yaml
@@ -35,6 +35,9 @@ properties:
   interrupts:
     maxItems: 1
 
+  power-domains:
+    maxItems: 1
+
 required:
   - compatible
   - reg