authorized
bAlternateSetting
bInterfaceClass
bInterfaceNumber
bInterfaceProtocol
bInterfaceSubClass
bNumEndpoints
driver
ep_81/
firmware_node
modalias
power/
subsystem
supports_autosuspend
uevent
usb2-port1/
usb2-port2/
usb2-port3/
usb2-port4/