diff --git a/Documentation/devicetree/bindings/serial/xlnx,opb-uartlite.yaml b/Documentation/devicetree/bindings/serial/xlnx,opb-uartlite.yaml
index f7617b88c7c3..2f4390e8d4e8 100644
--- a/Documentation/devicetree/bindings/serial/xlnx,opb-uartlite.yaml
+++ b/Documentation/devicetree/bindings/serial/xlnx,opb-uartlite.yaml
@@ -67,8 +67,7 @@ allOf:
   - if:
       properties:
         xlnx,use-parity:
-          contains:
-            const: 1
+          const: 1
     then:
       required:
         - xlnx,odd-parity