diff --git a/Documentation/devicetree/bindings/serial/cdns,uart.yaml b/Documentation/devicetree/bindings/serial/cdns,uart.yaml
index 9d3e5c1d8502..11292de42c67 100644
--- a/Documentation/devicetree/bindings/serial/cdns,uart.yaml
+++ b/Documentation/devicetree/bindings/serial/cdns,uart.yaml
@@ -19,6 +19,7 @@ properties:
       - items:
           - enum:
               - axiado,ax3000-uart
+              - axiado,ax3005-uart
               - xlnx,zynqmp-uart
           - const: cdns,uart-r1p12