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-rw-r--r--Documentation/ABI/testing/configfs-usb-gadget4
1 files changed, 4 insertions, 0 deletions
diff --git a/Documentation/ABI/testing/configfs-usb-gadget b/Documentation/ABI/testing/configfs-usb-gadget
index 95a36589a66b..4594cc2435e8 100644
--- a/Documentation/ABI/testing/configfs-usb-gadget
+++ b/Documentation/ABI/testing/configfs-usb-gadget
@@ -16,6 +16,10 @@ Description:
write UDC's name found in /sys/class/udc/*
to bind a gadget, empty string "" to unbind.
+ max_speed - maximum speed the driver supports. Valid
+ names are super-speed-plus, super-speed,
+ high-speed, full-speed, and low-speed.
+
bDeviceClass - USB device class code
bDeviceSubClass - USB device subclass code
bDeviceProtocol - USB device protocol code