pi@raspberrypi ~ $ dmesg | grep usb
[ 0.921609] usbcore: registered new interface driver usbfs
[ 0.927339] usbcore: registered new interface driver hub
[ 0.932922] usbcore: registered new device driver usb
[ 1.313426] usbcore: registered new interface driver smsc95xx
[ 1.327075] usbcore: registered new interface driver cdc_ncm
[ 1.806972] dwc_otg bcm2708_usb: DWC OTG Controller
[ 1.814267] dwc_otg bcm2708_usb: new USB bus registered, assigned bus number 1
[ 1.823818] dwc_otg bcm2708_usb: irq 32, io mem 0x00000000
[ 1.843121] usb usb1: New USB device found, idVendor=1d6b, idProduct=0002
[ 1.852098] usb usb1: New USB device strings: Mfr=3, Product=2, SerialNumber= 1
[ 1.861541] usb usb1: Product: DWC OTG Controller
[ 1.868483] usb usb1: Manufacturer: Linux 3.2.27+ dwc_otg_hcd
[ 1.876423] usb usb1: SerialNumber: bcm2708_usb
[ 1.897019] usbcore: registered new interface driver uas
[ 1.911672] usbcore: registered new interface driver usb-storage
[ 1.926816] usbcore: registered new interface driver libusual
[ 2.036767] usbcore: registered new interface driver usbhid
[ 2.044538] usbhid: USB HID core driver
[ 2.333069] usb 1-1: new high-speed USB device number 2 using dwc_otg
[ 2.563376] usb 1-1: New USB device found, idVendor=0424, idProduct=9512
[ 2.572526] usb 1-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0
[ 2.873281] usb 1-1.1: new high-speed USB device number 3 using dwc_otg
[ 3.003813] usb 1-1.1: New USB device found, idVendor=0424, idProduct=ec00
[ 3.015250] usb 1-1.1: New USB device strings: Mfr=0, Product=0, SerialNumber =0
[ 3.098598] smsc95xx 1-1.1:1.0: eth0: register 'smsc95xx' at usb-bcm2708_usb- 1.1, smsc95xx USB 2.0 Ethernet, b8:27:eb:e3:1e:f1
[ 3.213360] usb 1-1.3: new high-speed USB device number 4 using dwc_otg
[ 3.323934] usb 1-1.3: New USB device found, idVendor=1a40, idProduct=0101
[ 3.341452] usb 1-1.3: New USB device strings: Mfr=0, Product=1, SerialNumber =0
[ 3.361718] usb 1-1.3: Product: USB 2.0 Hub
[ 3.703260] usb 1-1.3.1: new full-speed USB device number 5 using dwc_otg
[ 3.839648] usb 1-1.3.1: New USB device found, idVendor=0403, idProduct=6001
[ 3.864184] usb 1-1.3.1: New USB device strings: Mfr=1, Product=2, SerialNumb er=3
[ 3.898174] usb 1-1.3.1: Product: FT232R USB UART
[ 3.923075] usb 1-1.3.1: Manufacturer: FTDI
[ 3.929787] usb 1-1.3.1: SerialNumber: A901LKVP
[ 4.053315] usb 1-1.3.2: new low-speed USB device number 6 using dwc_otg
[ 4.187198] usb 1-1.3.2: New USB device found, idVendor=15d9, idProduct=0a4d
[ 4.187222] usb 1-1.3.2: New USB device strings: Mfr=0, Product=1, SerialNumb er=0
[ 4.187237] usb 1-1.3.2: Product: USB OPTICAL MOUSE
[ 4.194011] input: USB OPTICAL MOUSE as /devices/platform/bcm2708_usb/usb1/1 -1/1-1.3/1-1.3.2/1-1.3.2:1.0/input/input0
[ 4.194376] generic-usb 0003:15D9:0A4D.0001: input: USB HID v1.11 Mouse [ USB OPTICAL MOUSE] on usb-bcm2708_usb-1.3.2/input0
[ 4.363341] usb 1-1.3.4: new full-speed USB device number 7 using dwc_otg
[ 4.462693] usbcore: registered new interface driver usbserial
[ 4.509954] usb 1-1.3.4: New USB device found, idVendor=0403, idProduct=6001
[ 4.509980] usb 1-1.3.4: New USB device strings: Mfr=1, Product=2, SerialNumb er=3
[ 4.509994] usb 1-1.3.4: Product: FT232R USB UART
[ 4.510005] usb 1-1.3.4: Manufacturer: FTDI
[ 4.510015] usb 1-1.3.4: SerialNumber: A901LLJY
[ 4.583442] usbcore: registered new interface driver usbserial_generic
[ 4.583456] usbserial: USB Serial Driver core
[ 4.600210] usb 1-1.3.1: Detected FT232RL
[ 4.600226] usb 1-1.3.1: Number of endpoints 2
[ 4.600240] usb 1-1.3.1: Endpoint 1 MaxPacketSize 64
[ 4.600252] usb 1-1.3.1: Endpoint 2 MaxPacketSize 64
[ 4.600264] usb 1-1.3.1: Setting MaxPacketSize 64
[ 4.691032] usb 1-1.3.1: FTDI USB Serial Device converter now attached to tty USB0
[ 4.691428] usb 1-1.3.4: Detected FT232RL
[ 4.691443] usb 1-1.3.4: Number of endpoints 2
[ 4.691455] usb 1-1.3.4: Endpoint 1 MaxPacketSize 64
[ 4.691467] usb 1-1.3.4: Endpoint 2 MaxPacketSize 64
[ 4.691479] usb 1-1.3.4: Setting MaxPacketSize 64
[ 4.692268] usb 1-1.3.4: FTDI USB Serial Device converter now attached to tty USB1
[ 4.692387] usbcore: registered new interface driver ftdi_sio