diff --git a/Documentation/devicetree/bindings/usb/mediatek,mtk-xhci.yaml b/Documentation/devicetree/bindings/usb/mediatek,mtk-xhci.yaml
index 41efb51638d1e0c45d0833b39cfc3c414e3714f7..084d7135b2d9feb907198ca7d7072e0de750ca69 100644
--- a/Documentation/devicetree/bindings/usb/mediatek,mtk-xhci.yaml
+++ b/Documentation/devicetree/bindings/usb/mediatek,mtk-xhci.yaml
@@ -30,6 +30,7 @@ properties:
           - mediatek,mt7629-xhci
           - mediatek,mt8173-xhci
           - mediatek,mt8183-xhci
+          - mediatek,mt8186-xhci
           - mediatek,mt8192-xhci
           - mediatek,mt8195-xhci
       - const: mediatek,mtk-xhci