diff --git a/Documentation/devicetree/bindings/phy/mediatek,tphy.yaml b/Documentation/devicetree/bindings/phy/mediatek,tphy.yaml
index b2218c151939..ff5c77ef1176 100644
--- a/Documentation/devicetree/bindings/phy/mediatek,tphy.yaml
+++ b/Documentation/devicetree/bindings/phy/mediatek,tphy.yaml
@@ -80,6 +80,7 @@ properties:
               - mediatek,mt2712-tphy
               - mediatek,mt6893-tphy
               - mediatek,mt7629-tphy
+              - mediatek,mt7981-tphy
               - mediatek,mt7986-tphy
               - mediatek,mt8183-tphy
               - mediatek,mt8186-tphy