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-rw-r--r--Documentation/devicetree/bindings/usb/usb3503.txt5
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diff --git a/Documentation/devicetree/bindings/usb/usb3503.txt b/Documentation/devicetree/bindings/usb/usb3503.txt
index 057dd384d473..5157c16d55d1 100644
--- a/Documentation/devicetree/bindings/usb/usb3503.txt
+++ b/Documentation/devicetree/bindings/usb/usb3503.txt
@@ -1,11 +1,14 @@
SMSC USB3503 High-Speed Hub Controller
Required properties:
-- compatible: Should be "smsc,usb3503" or "smsc,usb3503a".
+- compatible: Should be "smsc,usb3503" or "smsc,usb3503a" or "smsc,usb3803".
Optional properties:
- reg: Specifies the i2c slave address, it is required and should be 0x08
if I2C is used.
+- bypass-gpios: Should specify GPIO for bypass.
+ Follows the state of reset-gpios and is meant to be used with
+ usb3803's bypass pin.
- connect-gpios: Should specify GPIO for connect.
- disabled-ports: Should specify the ports unused.
'1' or '2' or '3' are available for this property to describe the port