diff --git a/Bindings/serial/amlogic,meson-uart.yaml b/Bindings/serial/amlogic,meson-uart.yaml
index 2e189e5..0565fb7 100644
--- a/Bindings/serial/amlogic,meson-uart.yaml
+++ b/Bindings/serial/amlogic,meson-uart.yaml
@@ -54,7 +54,9 @@
           - const: amlogic,meson-gx-uart
       - description: UART controller on S4 compatible SoCs
         items:
-          - const: amlogic,t7-uart
+          - enum:
+              - amlogic,a4-uart
+              - amlogic,t7-uart
           - const: amlogic,meson-s4-uart
 
   reg: