diff --git a/Documentation/devicetree/bindings/arm/mediatek.yaml b/Documentation/devicetree/bindings/arm/mediatek.yaml
index c0d68d4d3c83..12cf02b30967 100644
--- a/Documentation/devicetree/bindings/arm/mediatek.yaml
+++ b/Documentation/devicetree/bindings/arm/mediatek.yaml
@@ -95,6 +95,10 @@ properties:
           - enum:
               - mediatek,mt7986b-rfb
           - const: mediatek,mt7986b
+      - items:
+          - enum:
+              - bananapi,bpi-r4
+          - const: mediatek,mt7988a
       - items:
           - enum:
               - mediatek,mt8127-moose