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      1
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      root@mitysom-am57x:~# lsusb -v
 
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      2
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      3
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      Bus 001 Device 005: ID 0461:0022 Primax Electronics, Ltd
 
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      4
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      Device Descriptor:
 
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      5
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        bLength                18
 
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      6
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        bDescriptorType         1
 
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      7
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        bcdUSB               1.10
 
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      8
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        bDeviceClass            0
 
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      9
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        bDeviceSubClass         0
 
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      10
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        bDeviceProtocol         0
 
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      11
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        bMaxPacketSize0        64
 
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      12
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        idVendor           0x0461 Primax Electronics, Ltd
 
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      13
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        idProduct          0x0022
 
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      14
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        bcdDevice            1.00
 
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      15
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        iManufacturer           1 NHD
 
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      16
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        iProduct                2 Newhaven Display
 
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      17
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        iSerial                 0
 
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      18
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        bNumConfigurations      1
 
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      19
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        Configuration Descriptor:
 
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      20
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          bLength                 9
 
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      21
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          bDescriptorType         2
 
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      22
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          wTotalLength       0x0022
 
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      23
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          bNumInterfaces          1
 
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      24
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          bConfigurationValue     1
 
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      25
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          iConfiguration          0
 
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      26
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          bmAttributes         0xc0
 
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      27
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            Self Powered
 
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      28
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          MaxPower              100mA
 
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      29
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          Interface Descriptor:
 
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      30
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            bLength                 9
 
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      31
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            bDescriptorType         4
 
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      32
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            bInterfaceNumber        0
 
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      33
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            bAlternateSetting       0
 
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      34
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            bNumEndpoints           1
 
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      35
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            bInterfaceClass         3 Human Interface Device
 
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      36
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            bInterfaceSubClass      1 Boot Interface Subclass
 
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      37
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            bInterfaceProtocol      2 Mouse
 
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      38
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            iInterface              0
 
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      39
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              HID Device Descriptor:
 
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      40
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                bLength                 9
 
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      41
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                bDescriptorType        33
 
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      42
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                bcdHID               1.00
 
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      43
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                bCountryCode            0 Not supported
 
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      44
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                bNumDescriptors         1
 
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      45
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                bDescriptorType        34 Report
 
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      46
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                wDescriptorLength      52
 
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      47
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               Report Descriptors:
 
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      48
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                 ** UNAVAILABLE **
 
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      49
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            Endpoint Descriptor:
 
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      50
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              bLength                 7
 
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      51
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              bDescriptorType         5
 
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      52
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              bEndpointAddress     0x81  EP 1 IN
 
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      53
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              bmAttributes            3
 
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      54
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                Transfer Type            Interrupt
 
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      55
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                Synch Type               None
 
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      56
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                Usage Type               Data
 
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      57
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              wMaxPacketSize     0x0008  1x 8 bytes
 
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      58
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              bInterval              10
 
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      59
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      can't get debug descriptor: Resource temporarily unavailable
 
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      60
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      Device Status:     0x0001
 
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      61
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        Self Powered
 
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      62
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      63
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      Bus 002 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub
 
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      64
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      Device Descriptor:
 
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      65
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        bLength                18
 
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      66
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        bDescriptorType         1
 
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      67
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        bcdUSB               3.00
 
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      68
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        bDeviceClass            9 Hub
 
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      69
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        bDeviceSubClass         0
 
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      70
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        bDeviceProtocol         3
 
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      71
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        bMaxPacketSize0         9
 
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      72
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        idVendor           0x1d6b Linux Foundation
 
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      73
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        idProduct          0x0003 3.0 root hub
 
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      74
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        bcdDevice            4.19
 
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      75
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        iManufacturer           3 Linux 4.19.94-g9ce96ed7a5 xhci-hcd
 
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      76
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        iProduct                2 xHCI Host Controller
 
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      77
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        iSerial                 1 xhci-hcd.1.auto
 
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      78
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        bNumConfigurations      1
 
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      79
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        Configuration Descriptor:
 
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      80
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          bLength                 9
 
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      81
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          bDescriptorType         2
 
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      82
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          wTotalLength       0x001f
 
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      83
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          bNumInterfaces          1
 
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      84
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          bConfigurationValue     1
 
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      85
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          iConfiguration          0
 
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      86
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          bmAttributes         0xe0
 
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      87
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            Self Powered
 
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      88
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            Remote Wakeup
 
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      89
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          MaxPower                0mA
 
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      90
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          Interface Descriptor:
 
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      91
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            bLength                 9
 
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      92
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            bDescriptorType         4
 
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      93
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            bInterfaceNumber        0
 
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      94
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            bAlternateSetting       0
 
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      95
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            bNumEndpoints           1
 
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      96
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            bInterfaceClass         9 Hub
 
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      97
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            bInterfaceSubClass      0
 
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      98
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            bInterfaceProtocol      0 Full speed (or root) hub
 
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      99
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            iInterface              0
 
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      100
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            Endpoint Descriptor:
 
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      101
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              bLength                 7
 
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      102
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              bDescriptorType         5
 
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      103
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              bEndpointAddress     0x81  EP 1 IN
 
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      104
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              bmAttributes            3
 
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      105
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                Transfer Type            Interrupt
 
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      106
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                Synch Type               None
 
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      107
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                Usage Type               Data
 
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      108
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              wMaxPacketSize     0x0004  1x 4 bytes
 
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      109
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              bInterval              12
 
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      110
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              bMaxBurst               0
 
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      111
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      Hub Descriptor:
 
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      112
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        bLength              12
 
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      113
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        bDescriptorType      42
 
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      114
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        nNbrPorts             1
 
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      115
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        wHubCharacteristic 0x0009
 
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      116
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          Per-port power switching
 
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      117
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          Per-port overcurrent protection
 
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      118
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        bPwrOn2PwrGood       10 * 2 milli seconds
 
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      119
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        bHubContrCurrent      0 milli Ampere
 
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      120
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        bHubDecLat          0.0 micro seconds
 
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      121
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        wHubDelay             0 nano seconds
 
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      122
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        DeviceRemovable    0x00
 
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      123
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       Hub Port Status:
 
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      124
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         Port 1: 0000.02a0 5Gbps power Rx.Detect
 
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      125
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      Binary Object Store Descriptor:
 
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      126
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        bLength                 5
 
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      127
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        bDescriptorType        15
 
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      128
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        wTotalLength       0x000f
 
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      129
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        bNumDeviceCaps          1
 
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      130
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        SuperSpeed USB Device Capability:
 
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      131
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          bLength                10
 
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      132
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          bDescriptorType        16
 
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      133
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          bDevCapabilityType      3
 
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      134
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          bmAttributes         0x02
 
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      135
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            Latency Tolerance Messages (LTM) Supported
 
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      136
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          wSpeedsSupported   0x0008
 
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      137
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            Device can operate at SuperSpeed (5Gbps)
 
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      138
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          bFunctionalitySupport   3
 
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      139
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            Lowest fully-functional device speed is SuperSpeed (5Gbps)
 
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      140
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          bU1DevExitLat           0 micro seconds
 
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      141
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          bU2DevExitLat           0 micro seconds
 
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      142
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      can't get debug descriptor: Resource temporarily unavailable
 
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      143
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      Device Status:     0x0001
 
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      144
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        Self Powered
 
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      145
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      146
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      Bus 001 Device 002: ID 0451:8142 Texas Instruments, Inc. TUSB8041 4-Port Hub
 
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      147
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      Device Descriptor:
 
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      148
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        bLength                18
 
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      149
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        bDescriptorType         1
 
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      150
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        bcdUSB               2.10
 
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      151
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        bDeviceClass            9 Hub
 
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      152
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        bDeviceSubClass         0
 
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      153
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        bDeviceProtocol         2 TT per port
 
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      154
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        bMaxPacketSize0        64
 
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      155
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        idVendor           0x0451 Texas Instruments, Inc.
 
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      156
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        idProduct          0x8142 TUSB8041 4-Port Hub
 
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      157
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        bcdDevice            1.00
 
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      158
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        iManufacturer           0
 
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    | 
      159
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        iProduct                0
 
     | 
  
  
    | 
      160
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        iSerial                 1 6D00005987D0
 
     | 
  
  
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      161
     | 
    
        bNumConfigurations      1
 
     | 
  
  
    | 
      162
     | 
    
        Configuration Descriptor:
 
     | 
  
  
    | 
      163
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          bLength                 9
 
     | 
  
  
    | 
      164
     | 
    
          bDescriptorType         2
 
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    | 
      165
     | 
    
          wTotalLength       0x0029
 
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    | 
      166
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          bNumInterfaces          1
 
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    | 
      167
     | 
    
          bConfigurationValue     1
 
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    | 
      168
     | 
    
          iConfiguration          0
 
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    | 
      169
     | 
    
          bmAttributes         0xe0
 
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      170
     | 
    
            Self Powered
 
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    | 
      171
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            Remote Wakeup
 
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    | 
      172
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          MaxPower                0mA
 
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      173
     | 
    
          Interface Descriptor:
 
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    | 
      174
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            bLength                 9
 
     | 
  
  
    | 
      175
     | 
    
            bDescriptorType         4
 
     | 
  
  
    | 
      176
     | 
    
            bInterfaceNumber        0
 
     | 
  
  
    | 
      177
     | 
    
            bAlternateSetting       0
 
     | 
  
  
    | 
      178
     | 
    
            bNumEndpoints           1
 
     | 
  
  
    | 
      179
     | 
    
            bInterfaceClass         9 Hub
 
     | 
  
  
    | 
      180
     | 
    
            bInterfaceSubClass      0
 
     | 
  
  
    | 
      181
     | 
    
            bInterfaceProtocol      1 Single TT
 
     | 
  
  
    | 
      182
     | 
    
            iInterface              0
 
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    | 
      183
     | 
    
            Endpoint Descriptor:
 
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    | 
      184
     | 
    
              bLength                 7
 
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    | 
      185
     | 
    
              bDescriptorType         5
 
     | 
  
  
    | 
      186
     | 
    
              bEndpointAddress     0x81  EP 1 IN
 
     | 
  
  
    | 
      187
     | 
    
              bmAttributes            3
 
     | 
  
  
    | 
      188
     | 
    
                Transfer Type            Interrupt
 
     | 
  
  
    | 
      189
     | 
    
                Synch Type               None
 
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      190
     | 
    
                Usage Type               Data
 
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      191
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              wMaxPacketSize     0x0001  1x 1 bytes
 
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    | 
      192
     | 
    
              bInterval              12
 
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    | 
      193
     | 
    
          Interface Descriptor:
 
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    | 
      194
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            bLength                 9
 
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    | 
      195
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            bDescriptorType         4
 
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    | 
      196
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            bInterfaceNumber        0
 
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    | 
      197
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            bAlternateSetting       1
 
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    | 
      198
     | 
    
            bNumEndpoints           1
 
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    | 
      199
     | 
    
            bInterfaceClass         9 Hub
 
     | 
  
  
    | 
      200
     | 
    
            bInterfaceSubClass      0
 
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    | 
      201
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            bInterfaceProtocol      2 TT per port
 
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    | 
      202
     | 
    
            iInterface              0
 
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    | 
      203
     | 
    
            Endpoint Descriptor:
 
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    | 
      204
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              bLength                 7
 
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    | 
      205
     | 
    
              bDescriptorType         5
 
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    | 
      206
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              bEndpointAddress     0x81  EP 1 IN
 
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    | 
      207
     | 
    
              bmAttributes            3
 
     | 
  
  
    | 
      208
     | 
    
                Transfer Type            Interrupt
 
     | 
  
  
    | 
      209
     | 
    
                Synch Type               None
 
     | 
  
  
    | 
      210
     | 
    
                Usage Type               Data
 
     | 
  
  
    | 
      211
     | 
    
              wMaxPacketSize     0x0001  1x 1 bytes
 
     | 
  
  
    | 
      212
     | 
    
              bInterval              12
 
     | 
  
  
    | 
      213
     | 
    
      Hub Descriptor:
 
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    | 
      214
     | 
    
        bLength               9
 
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    | 
      215
     | 
    
        bDescriptorType      41
 
     | 
  
  
    | 
      216
     | 
    
        nNbrPorts             4
 
     | 
  
  
    | 
      217
     | 
    
        wHubCharacteristic 0x0009
 
     | 
  
  
    | 
      218
     | 
    
          Per-port power switching
 
     | 
  
  
    | 
      219
     | 
    
          Per-port overcurrent protection
 
     | 
  
  
    | 
      220
     | 
    
          TT think time 8 FS bits
 
     | 
  
  
    | 
      221
     | 
    
        bPwrOn2PwrGood       50 * 2 milli seconds
 
     | 
  
  
    | 
      222
     | 
    
        bHubContrCurrent      0 milli Ampere
 
     | 
  
  
    | 
      223
     | 
    
        DeviceRemovable    0x00
 
     | 
  
  
    | 
      224
     | 
    
        PortPwrCtrlMask    0xff
 
     | 
  
  
    | 
      225
     | 
    
       Hub Port Status:
 
     | 
  
  
    | 
      226
     | 
    
         Port 1: 0000.0100 power
 
     | 
  
  
    | 
      227
     | 
    
         Port 2: 0000.0103 power enable connect
 
     | 
  
  
    | 
      228
     | 
    
         Port 3: 0000.0100 power
 
     | 
  
  
    | 
      229
     | 
    
         Port 4: 0000.0100 power
 
     | 
  
  
    | 
      230
     | 
    
      Binary Object Store Descriptor:
 
     | 
  
  
    | 
      231
     | 
    
        bLength                 5
 
     | 
  
  
    | 
      232
     | 
    
        bDescriptorType        15
 
     | 
  
  
    | 
      233
     | 
    
        wTotalLength       0x002a
 
     | 
  
  
    | 
      234
     | 
    
        bNumDeviceCaps          3
 
     | 
  
  
    | 
      235
     | 
    
        USB 2.0 Extension Device Capability:
 
     | 
  
  
    | 
      236
     | 
    
          bLength                 7
 
     | 
  
  
    | 
      237
     | 
    
          bDescriptorType        16
 
     | 
  
  
    | 
      238
     | 
    
          bDevCapabilityType      2
 
     | 
  
  
    | 
      239
     | 
    
          bmAttributes   0x00000006
 
     | 
  
  
    | 
      240
     | 
    
            BESL Link Power Management (LPM) Supported
 
     | 
  
  
    | 
      241
     | 
    
        SuperSpeed USB Device Capability:
 
     | 
  
  
    | 
      242
     | 
    
          bLength                10
 
     | 
  
  
    | 
      243
     | 
    
          bDescriptorType        16
 
     | 
  
  
    | 
      244
     | 
    
          bDevCapabilityType      3
 
     | 
  
  
    | 
      245
     | 
    
          bmAttributes         0x00
 
     | 
  
  
    | 
      246
     | 
    
          wSpeedsSupported   0x000e
 
     | 
  
  
    | 
      247
     | 
    
            Device can operate at Full Speed (12Mbps)
 
     | 
  
  
    | 
      248
     | 
    
            Device can operate at High Speed (480Mbps)
 
     | 
  
  
    | 
      249
     | 
    
            Device can operate at SuperSpeed (5Gbps)
 
     | 
  
  
    | 
      250
     | 
    
          bFunctionalitySupport   1
 
     | 
  
  
    | 
      251
     | 
    
            Lowest fully-functional device speed is Full Speed (12Mbps)
 
     | 
  
  
    | 
      252
     | 
    
          bU1DevExitLat          10 micro seconds
 
     | 
  
  
    | 
      253
     | 
    
          bU2DevExitLat          10 micro seconds
 
     | 
  
  
    | 
      254
     | 
    
        Container ID Device Capability:
 
     | 
  
  
    | 
      255
     | 
    
          bLength                20
 
     | 
  
  
    | 
      256
     | 
    
          bDescriptorType        16
 
     | 
  
  
    | 
      257
     | 
    
          bDevCapabilityType      4
 
     | 
  
  
    | 
      258
     | 
    
          bReserved               0
 
     | 
  
  
    | 
      259
     | 
    
          ContainerID             {42194002-8a41-1fdf-4117-62fa1f2d0300}
     | 
  
  
    | 
      260
     | 
    
      can't get debug descriptor: Resource temporarily unavailable
 
     | 
  
  
    | 
      261
     | 
    
      Device Status:     0x0001
 
     | 
  
  
    | 
      262
     | 
    
        Self Powered
 
     | 
  
  
    | 
      263
     | 
    
      
 
     | 
  
  
    | 
      264
     | 
    
      Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
 
     | 
  
  
    | 
      265
     | 
    
      Device Descriptor:
 
     | 
  
  
    | 
      266
     | 
    
        bLength                18
 
     | 
  
  
    | 
      267
     | 
    
        bDescriptorType         1
 
     | 
  
  
    | 
      268
     | 
    
        bcdUSB               2.00
 
     | 
  
  
    | 
      269
     | 
    
        bDeviceClass            9 Hub
 
     | 
  
  
    | 
      270
     | 
    
        bDeviceSubClass         0
 
     | 
  
  
    | 
      271
     | 
    
        bDeviceProtocol         1 Single TT
 
     | 
  
  
    | 
      272
     | 
    
        bMaxPacketSize0        64
 
     | 
  
  
    | 
      273
     | 
    
        idVendor           0x1d6b Linux Foundation
 
     | 
  
  
    | 
      274
     | 
    
        idProduct          0x0002 2.0 root hub
 
     | 
  
  
    | 
      275
     | 
    
        bcdDevice            4.19
 
     | 
  
  
    | 
      276
     | 
    
        iManufacturer           3 Linux 4.19.94-g9ce96ed7a5 xhci-hcd
 
     | 
  
  
    | 
      277
     | 
    
        iProduct                2 xHCI Host Controller
 
     | 
  
  
    | 
      278
     | 
    
        iSerial                 1 xhci-hcd.1.auto
 
     | 
  
  
    | 
      279
     | 
    
        bNumConfigurations      1
 
     | 
  
  
    | 
      280
     | 
    
        Configuration Descriptor:
 
     | 
  
  
    | 
      281
     | 
    
          bLength                 9
 
     | 
  
  
    | 
      282
     | 
    
          bDescriptorType         2
 
     | 
  
  
    | 
      283
     | 
    
          wTotalLength       0x0019
 
     | 
  
  
    | 
      284
     | 
    
          bNumInterfaces          1
 
     | 
  
  
    | 
      285
     | 
    
          bConfigurationValue     1
 
     | 
  
  
    | 
      286
     | 
    
          iConfiguration          0
 
     | 
  
  
    | 
      287
     | 
    
          bmAttributes         0xe0
 
     | 
  
  
    | 
      288
     | 
    
            Self Powered
 
     | 
  
  
    | 
      289
     | 
    
            Remote Wakeup
 
     | 
  
  
    | 
      290
     | 
    
          MaxPower                0mA
 
     | 
  
  
    | 
      291
     | 
    
          Interface Descriptor:
 
     | 
  
  
    | 
      292
     | 
    
            bLength                 9
 
     | 
  
  
    | 
      293
     | 
    
            bDescriptorType         4
 
     | 
  
  
    | 
      294
     | 
    
            bInterfaceNumber        0
 
     | 
  
  
    | 
      295
     | 
    
            bAlternateSetting       0
 
     | 
  
  
    | 
      296
     | 
    
            bNumEndpoints           1
 
     | 
  
  
    | 
      297
     | 
    
            bInterfaceClass         9 Hub
 
     | 
  
  
    | 
      298
     | 
    
            bInterfaceSubClass      0
 
     | 
  
  
    | 
      299
     | 
    
            bInterfaceProtocol      0 Full speed (or root) hub
 
     | 
  
  
    | 
      300
     | 
    
            iInterface              0
 
     | 
  
  
    | 
      301
     | 
    
            Endpoint Descriptor:
 
     | 
  
  
    | 
      302
     | 
    
              bLength                 7
 
     | 
  
  
    | 
      303
     | 
    
              bDescriptorType         5
 
     | 
  
  
    | 
      304
     | 
    
              bEndpointAddress     0x81  EP 1 IN
 
     | 
  
  
    | 
      305
     | 
    
              bmAttributes            3
 
     | 
  
  
    | 
      306
     | 
    
                Transfer Type            Interrupt
 
     | 
  
  
    | 
      307
     | 
    
                Synch Type               None
 
     | 
  
  
    | 
      308
     | 
    
                Usage Type               Data
 
     | 
  
  
    | 
      309
     | 
    
              wMaxPacketSize     0x0004  1x 4 bytes
 
     | 
  
  
    | 
      310
     | 
    
              bInterval              12
 
     | 
  
  
    | 
      311
     | 
    
      Hub Descriptor:
 
     | 
  
  
    | 
      312
     | 
    
        bLength               9
 
     | 
  
  
    | 
      313
     | 
    
        bDescriptorType      41
 
     | 
  
  
    | 
      314
     | 
    
        nNbrPorts             1
 
     | 
  
  
    | 
      315
     | 
    
        wHubCharacteristic 0x0009
 
     | 
  
  
    | 
      316
     | 
    
          Per-port power switching
 
     | 
  
  
    | 
      317
     | 
    
          Per-port overcurrent protection
 
     | 
  
  
    | 
      318
     | 
    
          TT think time 8 FS bits
 
     | 
  
  
    | 
      319
     | 
    
        bPwrOn2PwrGood       10 * 2 milli seconds
 
     | 
  
  
    | 
      320
     | 
    
        bHubContrCurrent      0 milli Ampere
 
     | 
  
  
    | 
      321
     | 
    
        DeviceRemovable    0x00
 
     | 
  
  
    | 
      322
     | 
    
        PortPwrCtrlMask    0xff
 
     | 
  
  
    | 
      323
     | 
    
       Hub Port Status:
 
     | 
  
  
    | 
      324
     | 
    
         Port 1: 0000.0503 highspeed power enable connect
 
     | 
  
  
    | 
      325
     | 
    
      can't get device qualifier: Resource temporarily unavailable
 
     | 
  
  
    | 
      326
     | 
    
      can't get debug descriptor: Resource temporarily unavailable
 
     | 
  
  
    | 
      327
     | 
    
      Device Status:     0x0001
 
     | 
  
  
    | 
      328
     | 
    
        Self Powered
 
     |