[vince@dozer hadk]$ lsusb
Bus 002 Device 002: ID 18a5:0237 Verbatim, Ltd Portable Harddrive
Bus 002 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub
Bus 001 Device 063: ID 18d1:af00 Google Inc.
Bus 001 Device 006: ID 1c7a:0603 LighTuning Technology Inc.
Bus 001 Device 004: ID 5986:066d Acer, Inc
Bus 001 Device 003: ID 8087:0a2a Intel Corp.
Bus 001 Device 002: ID 046d:c534 Logitech, Inc. Unifying Receiver
Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
[vince@dozer hadk]$ sudo lsusb -v -t -d 18d1:af00
/: Bus 02.Port 1: Dev 1, Class=root_hub, Driver=xhci_hcd/8p, 5000M
|__ Port 2: Dev 2, If 0, Class=Mass Storage, Driver=usb-storage, 5000M
/: Bus 01.Port 1: Dev 1, Class=root_hub, Driver=xhci_hcd/16p, 480M
|__ Port 1: Dev 2, If 1, Class=Human Interface Device, Driver=usbhid, 12M
|__ Port 1: Dev 2, If 0, Class=Human Interface Device, Driver=usbhid, 12M
|__ Port 3: Dev 63, If 0, Class=Mass Storage, Driver=usb-storage, 480M
|__ Port 10: Dev 3, If 1, Class=Wireless, Driver=btusb, 12M
|__ Port 10: Dev 3, If 0, Class=Wireless, Driver=btusb, 12M
|__ Port 11: Dev 4, If 0, Class=Video, Driver=uvcvideo, 480M
|__ Port 11: Dev 4, If 1, Class=Video, Driver=uvcvideo, 480M
|__ Port 12: Dev 6, If 0, Class=Vendor Specific Class, Driver=, 12M
[vince@dozer hadk]$ sudo lsusb -v -d 18d1:af00
Bus 001 Device 063: ID 18d1:af00 Google Inc.
Device Descriptor:
bLength 18
bDescriptorType 1
bcdUSB 2.00
bDeviceClass 0
bDeviceSubClass 0
bDeviceProtocol 0
bMaxPacketSize0 64
idVendor 0x18d1 Google Inc.
idProduct 0xaf00
bcdDevice 2.25
iManufacturer 1 Mer Boat Loader
iProduct 2 init-debug in real rootfs
iSerial 3 Mer Debug setting up (DONE_SWITCH=yes)
bNumConfigurations 1
Configuration Descriptor:
bLength 9
bDescriptorType 2
wTotalLength 32
bNumInterfaces 1
bConfigurationValue 1
iConfiguration 0
bmAttributes 0x80
(Bus Powered)
MaxPower 500mA
Interface Descriptor:
bLength 9
bDescriptorType 4
bInterfaceNumber 0
bAlternateSetting 0
bNumEndpoints 2
bInterfaceClass 8 Mass Storage
bInterfaceSubClass 6 SCSI
bInterfaceProtocol 80 Bulk-Only
iInterface 7 Mass Storage
Endpoint Descriptor:
bLength 7
bDescriptorType 5
bEndpointAddress 0x01 EP 1 OUT
bmAttributes 2
Transfer Type Bulk
Synch Type None
Usage Type Data
wMaxPacketSize 0x0200 1x 512 bytes
bInterval 1
Endpoint Descriptor:
bLength 7
bDescriptorType 5
bEndpointAddress 0x81 EP 1 IN
bmAttributes 2
Transfer Type Bulk
Synch Type None
Usage Type Data
wMaxPacketSize 0x0200 1x 512 bytes
bInterval 0
Device Qualifier (for other device speed):
bLength 10
bDescriptorType 6
bcdUSB 2.00
bDeviceClass 0
bDeviceSubClass 0
bDeviceProtocol 0
bMaxPacketSize0 64
bNumConfigurations 1
can't get debug descriptor: Resource temporarily unavailable
Device Status: 0x0000
(Bus Powered)