ryan@ryan-B450-AORUS-M:~$ lsusb -t
/:  Bus 04.Port 1: Dev 1, Class=root_hub, Driver=xhci_hcd/4p, 5000M
/:  Bus 03.Port 1: Dev 1, Class=root_hub, Driver=xhci_hcd/4p, 480M
    |__ Port 1: Dev 2, If 0, Class=Hub, Driver=hub/4p, 12M
    |__ Port 3: Dev 3, If 0, Class=Video, Driver=uvcvideo, 480M
    |__ Port 3: Dev 3, If 1, Class=Video, Driver=uvcvideo, 480M
    |__ Port 3: Dev 3, If 2, Class=Audio, Driver=snd-usb-audio, 480M
    |__ Port 3: Dev 3, If 3, Class=Audio, Driver=snd-usb-audio, 480M
/:  Bus 02.Port 1: Dev 1, Class=root_hub, Driver=xhci_hcd/4p, 10000M
    |__ Port 2: Dev 2, If 0, Class=Hub, Driver=hub/2p, 5000M
/:  Bus 01.Port 1: Dev 1, Class=root_hub, Driver=xhci_hcd/10p, 480M
    |__ Port 2: Dev 2, If 0, Class=Hub, Driver=hub/2p, 480M
    |__ Port 6: Dev 3, If 0, Class=Hub, Driver=hub/4p, 12M
        |__ Port 3: Dev 4, If 2, Class=Human Interface Device, Driver=usbhid, 12M
        |__ Port 3: Dev 4, If 0, Class=Human Interface Device, Driver=usbhid, 12M
        |__ Port 3: Dev 4, If 1, Class=Human Interface Device, Driver=usbhid, 12M
    |__ Port 10: Dev 5, If 0, Class=Mass Storage, Driver=usb-storage, 12M
    |__ Port 10: Dev 5, If 1, Class=Communications, Driver=cdc_acm, 12M
    |__ Port 10: Dev 5, If 2, Class=CDC Data, Driver=cdc_acm, 12M
    |__ Port 10: Dev 5, If 3, Class=Human Interface Device, Driver=usbhid, 12M
    |__ Port 10: Dev 5, If 4, Class=Vendor Specific Class, Driver=, 12M
ryan@ryan-B450-AORUS-M:~$ find /dev/bus/usb -ls
      144      0 drwxr-xr-x   6 root     root          120 May  5 10:42 /dev/bus/usb
      151      0 drwxr-xr-x   2 root     root           60 May  5 10:42 /dev/bus/usb/004
      152      0 crw-rw-r--   1 root     root     189, 384 May  5 10:43 /dev/bus/usb/004/001
      149      0 drwxr-xr-x   2 root     root          100 May  5 10:42 /dev/bus/usb/003
      347      0 crw-rw-r--   1 root     root     189, 258 May  5 10:43 /dev/bus/usb/003/003
      333      0 crw-rw-r--   1 root     root     189, 257 May  5 10:43 /dev/bus/usb/003/002
      150      0 crw-rw-r--   1 root     root     189, 256 May  5 10:43 /dev/bus/usb/003/001
      147      0 drwxr-xr-x   2 root     root           80 May  5 10:42 /dev/bus/usb/002
      334      0 crw-rw-r--   1 root     root     189, 129 May  5 10:43 /dev/bus/usb/002/002
      148      0 crw-rw-r--   1 root     root     189, 128 May  5 10:43 /dev/bus/usb/002/001
      145      0 drwxr-xr-x   2 root     root          140 May  5 13:14 /dev/bus/usb/001
      692      0 crw-rw-r--   1 root     root     189,   4 May  5 13:14 /dev/bus/usb/001/005
      460      0 crw-rw-r--   1 root     root     189,   3 May  5 10:43 /dev/bus/usb/001/004
      344      0 crw-rw-r--   1 root     root     189,   2 May  5 10:43 /dev/bus/usb/001/003
      332      0 crw-rw-r--   1 root     root     189,   1 May  5 10:43 /dev/bus/usb/001/002
      146      0 crw-rw-r--   1 root     root     189,   0 May  5 10:43 /dev/bus/usb/001/001