diff --git a/Documentation/devicetree/bindings/usb/dwc3.txt b/Documentation/devicetree/bindings/usb/dwc3.txt
index 31ddca7b41eb..7a4613845324 100644
--- a/Documentation/devicetree/bindings/usb/dwc3.txt
+++ b/Documentation/devicetree/bindings/usb/dwc3.txt
@@ -37,6 +37,7 @@ Optional properties:
 			USB3 autosuspend function.
  - snps,dis_u3_susphy_quirk: when set core will disable USB3 suspend phy.
  - snps,dis_u2_susphy_quirk: when set core will disable USB2 suspend phy.
+ - snps,dis-u1u2-quirk: when set core will reject transition to U1 or U2.
  - snps,dis_enblslpm_quirk: when set clears the enblslpm in GUSB2PHYCFG,
 			disabling the suspend signal to the PHY.
  - snps,dis_rxdet_inp3_quirk: when set core will disable receiver detection