diff --git a/Documentation/devicetree/bindings/phy/socionext,uniphier-ahci-phy.yaml b/Documentation/devicetree/bindings/phy/socionext,uniphier-ahci-phy.yaml
index 3b400a85b44a0..14f7579e7daae 100644
--- a/Documentation/devicetree/bindings/phy/socionext,uniphier-ahci-phy.yaml
+++ b/Documentation/devicetree/bindings/phy/socionext,uniphier-ahci-phy.yaml
@@ -43,13 +43,14 @@ properties:
 
   resets:
     minItems: 2
-    maxItems: 5
+    maxItems: 6
 
   reset-names:
     oneOf:
       - items:          # for Pro4
           - const: link
           - const: gio
+          - const: phy
           - const: pm
           - const: tx
           - const: rx