diff --git a/Documentation/devicetree/bindings/arm/sunxi.yaml b/Documentation/devicetree/bindings/arm/sunxi.yaml
index 08607c7ec1bf..ac750025a2eb 100644
--- a/Documentation/devicetree/bindings/arm/sunxi.yaml
+++ b/Documentation/devicetree/bindings/arm/sunxi.yaml
@@ -802,6 +802,11 @@ properties:
           - const: tbs-biometrics,a711
           - const: allwinner,sun8i-a83t
 
+      - description: Topwise A721 Tablet
+        items:
+          - const: topwise,a721
+          - const: allwinner,sun4i-a10
+
       - description: Utoo P66
         items:
           - const: utoo,p66