/test/sys/devices/pci0000:00/0000:00:09.0/usb3/

• ../
• 3-0:1.0
• 3-1
• bConfigurationValue
• bDeviceClass
• bDeviceProtocol
• bDeviceSubClass
• bMaxPower
• bNumConfigurations
• bNumInterfaces
• bcdDevice
• bmAttributes
• detach_state
• idProduct
• idVendor
• manufacturer
• power
• product
• serial
• speed