drbombay@wrk-station1 ~ $ sudo ls -lR /dev |grep usb
crw-rw---- 1 root root  442,    0 Dec 30 05:38 usbdev1.1_ep00
crw-rw---- 1 root root  442,    0 Dec 30 05:38 usbdev1.1_ep81
crw-rw---- 1 root root  442, 2048 Dec 30 05:38 usbdev2.1_ep00
crw-rw---- 1 root root  442, 2048 Dec 30 05:38 usbdev2.1_ep81
crw-rw---- 1 root root  442, 4096 Dec 30 05:38 usbdev3.1_ep00
crw-rw---- 1 root root  442, 4096 Dec 30 05:38 usbdev3.1_ep81
crw-rw---- 1 root root  442, 6144 Dec 30 05:38 usbdev4.1_ep00
crw-rw---- 1 root root  442, 6144 Dec 30 05:38 usbdev4.1_ep81
crw-rw---- 1 root root  442, 8192 Dec 30 05:38 usbdev5.1_ep00
crw-rw---- 1 root root  442, 8192 Dec 30 05:38 usbdev5.1_ep81
crw-rw---- 1 root root  442, 8194 Dec 30 05:38 usbdev5.3_ep00
crw-rw---- 1 root root  442, 8194 Dec 30 05:38 usbdev5.3_ep02
crw-rw---- 1 root root  442, 8194 Dec 30 05:38 usbdev5.3_ep81
crw-rw---- 1 root root  442, 8195 Dec 30 14:54 usbdev5.4_ep00
crw-rw---- 1 root root  442, 8195 Dec 30 14:54 usbdev5.4_ep02
crw-rw---- 1 root root  442, 8195 Dec 30 14:54 usbdev5.4_ep81
crw-rw---- 1 root root  442, 8195 Dec 30 14:54 usbdev5.4_ep83
drwxr-xr-x 7 root root 140 Dec 30 05:38 usb
/dev/bus/usb:
/dev/bus/usb/001:
/dev/bus/usb/002:
/dev/bus/usb/003:
/dev/bus/usb/004:
/dev/bus/usb/005