Display information on usb devices
usbview
usbview provides a graphical summary of USB devices connected to the system. Detailed information may be displayed by selecting individual devices in the tree display. Red items are those that have no driver associated with them.
No command line options are accepted by usbview.
/sys/kernel/debug/usb/devices
Kernel file providing information on USB devices attached to the machine.
usbview was written by Greg Kroah-Hartman <[email protected]>. This manual page was written by Mark Brown <[email protected]>, for the Debian GNU/Linux system (but may be used freely by others).