diff --git a/Documentation/devicetree/bindings/serial/socionext,uniphier-uart.yaml b/Documentation/devicetree/bindings/serial/socionext,uniphier-uart.yaml
index d490c7c4b967..06353028b274 100644
--- a/Documentation/devicetree/bindings/serial/socionext,uniphier-uart.yaml
+++ b/Documentation/devicetree/bindings/serial/socionext,uniphier-uart.yaml
@@ -20,7 +20,7 @@ properties:
     maxItems: 1
 
   clocks:
-    minItems: 1
+    maxItems: 1
 
   auto-flow-control:
     description: enable automatic flow control support.