diff --git a/Documentation/devicetree/bindings/phy/mediatek,tphy.yaml b/Documentation/devicetree/bindings/phy/mediatek,tphy.yaml
index 5613cc5106e3..230a17f24966 100644
--- a/Documentation/devicetree/bindings/phy/mediatek,tphy.yaml
+++ b/Documentation/devicetree/bindings/phy/mediatek,tphy.yaml
@@ -79,6 +79,7 @@ properties:
           - enum:
               - mediatek,mt2712-tphy
               - mediatek,mt7629-tphy
+              - mediatek,mt7986-tphy
               - mediatek,mt8183-tphy
               - mediatek,mt8186-tphy
               - mediatek,mt8192-tphy