diff --git a/Documentation/devicetree/bindings/arm/mediatek.yaml b/Documentation/devicetree/bindings/arm/mediatek.yaml
index 6f2f64ae76fc..c0d68d4d3c83 100644
--- a/Documentation/devicetree/bindings/arm/mediatek.yaml
+++ b/Documentation/devicetree/bindings/arm/mediatek.yaml
@@ -82,6 +82,10 @@ properties:
           - enum:
               - mediatek,mt7629-rfb
           - const: mediatek,mt7629
+      - items:
+          - enum:
+              - xiaomi,ax3000t
+          - const: mediatek,mt7981b
       - items:
           - enum:
               - bananapi,bpi-r3