diff --git a/Documentation/devicetree/bindings/usb/cdns,usb3.yaml b/Documentation/devicetree/bindings/usb/cdns,usb3.yaml
index d6af2794d444..703921e6bcaf 100644
--- a/Documentation/devicetree/bindings/usb/cdns,usb3.yaml
+++ b/Documentation/devicetree/bindings/usb/cdns,usb3.yaml
@@ -59,7 +59,7 @@ properties:
     description:
       size of memory intended as internal memory for endpoints
       buffers expressed in KB
-    $ref: /schemas/types.yaml#/definitions/uint32
+    $ref: /schemas/types.yaml#/definitions/uint16
 
   cdns,phyrst-a-enable:
     description: Enable resetting of PHY if Rx fail is detected