diff --git a/bindings/extcon/extcon-usb-gpio.txt b/bindings/extcon/extcon-usb-gpio.txt
index dfc14f71e81f..1e904ca94538 100644
--- a/bindings/extcon/extcon-usb-gpio.txt
+++ b/bindings/extcon/extcon-usb-gpio.txt
@@ -10,6 +10,9 @@ Either one of id-gpio or vbus-gpio must be present. Both can be present as well.
 - id-gpio: gpio for USB ID pin. See gpio binding.
 - vbus-gpio: gpio for USB VBUS pin.
 
+Optional properties:
+- vbus-out-gpio: gpio for enabling VBUS output (e.g. when entering host mode)
+
 Example: Examples of extcon-usb-gpio node in dra7-evm.dts as listed below:
 	extcon_usb1 {
 		compatible = "linux,extcon-usb-gpio";