The output for ls /dev/video*
is
/dev/video0 /dev/video1
The output for ls /dev/media*
is
/dev/media0
The output for dmesg | grep usb
is
[ 1.914330] usbcore: registered new interface driver usbfs
[ 1.914354] usbcore: registered new interface driver hub
[ 1.914375] usbcore: registered new device driver usb
[ 2.821531] usbcore: registered new interface driver asix
[ 2.821568] usbcore: registered new interface driver ax88179_178a
[ 2.821587] usbcore: registered new interface driver cdc_ether
[ 2.821605] usbcore: registered new interface driver net1080
[ 2.821624] usbcore: registered new interface driver cdc_subset
[ 2.821644] usbcore: registered new interface driver zaurus
[ 2.821673] usbcore: registered new interface driver cdc_ncm
[ 2.822504] usbcore: registered new interface driver uas
[ 2.822534] usbcore: registered new interface driver usb-storage
[ 2.824443] usbcore: registered new interface driver uvcvideo
[ 2.825245] usbcore: registered new interface driver bcm203x
[ 2.825269] usbcore: registered new interface driver bpa10x
[ 2.825293] usbcore: registered new interface driver bfusb
[ 2.825315] usbcore: registered new interface driver btusb
[ 2.825351] usbcore: registered new interface driver ath3k
[ 2.849752] usbcore: registered new interface driver usbhid
[ 2.849754] usbhid: USB HID core driver
[ 2.852800] usbcore: registered new interface driver snd-usb-audio
[ 3.557934] OF: overlay: WARNING: memory leak will occur if overlay removed, property: /amba/usb0@ff9d0000/status
[ 3.568200] OF: overlay: WARNING: memory leak will occur if overlay removed, property: /amba/usb0@ff9d0000/pinctrl-names
[ 3.579076] OF: overlay: WARNING: memory leak will occur if overlay removed, property: /amba/usb0@ff9d0000/pinctrl-0
[ 3.589606] OF: overlay: WARNING: memory leak will occur if overlay removed, property: /amba/usb0@ff9d0000/dwc3@fe200000/status
[ 3.601090] OF: overlay: WARNING: memory leak will occur if overlay removed, property: /amba/usb0@ff9d0000/dwc3@fe200000/dr_mode
[ 3.612660] OF: overlay: WARNING: memory leak will occur if overlay removed, property: /amba/usb0@ff9d0000/dwc3@fe200000/snps,usb3_lpm_capable
[ 3.625445] OF: overlay: WARNING: memory leak will occur if overlay removed, property: /amba/usb0@ff9d0000/dwc3@fe200000/phy-names
[ 3.637189] OF: overlay: WARNING: memory leak will occur if overlay removed, property: /amba/usb0@ff9d0000/dwc3@fe200000/phys
[ 3.648499] OF: overlay: WARNING: memory leak will occur if overlay removed, property: /amba/usb0@ff9d0000/dwc3@fe200000/maximum-speed
[ 3.864987] OF: overlay: WARNING: memory leak will occur if overlay removed, property: /__symbols__/usbhub
[ 3.937009] OF: overlay: WARNING: memory leak will occur if overlay removed, property: /__symbols__/pinctrl_usb0_default
[ 4.043500] usb usb1: New USB device found, idVendor=1d6b, idProduct=0002, bcdDevice= 5.04
[ 4.043505] usb usb1: New USB device strings: Mfr=3, Product=2, SerialNumber=1
[ 4.043509] usb usb1: Product: xHCI Host Controller
[ 4.043513] usb usb1: Manufacturer: Linux 5.4.0-1017-xilinx-zynqmp xhci-hcd
[ 4.043516] usb usb1: SerialNumber: xhci-hcd.1.auto
[ 4.044192] usb usb2: New USB device found, idVendor=1d6b, idProduct=0003, bcdDevice= 5.04
[ 4.044196] usb usb2: New USB device strings: Mfr=3, Product=2, SerialNumber=1
[ 4.044202] usb usb2: Product: xHCI Host Controller
[ 4.044206] usb usb2: Manufacturer: Linux 5.4.0-1017-xilinx-zynqmp xhci-hcd
[ 4.044209] usb usb2: SerialNumber: xhci-hcd.1.auto
[ 9.467914] usb 1-1: new high-speed USB device number 2 using xhci-hcd
[ 9.616420] usb 1-1: New USB device found, idVendor=0424, idProduct=2744, bcdDevice= 2.21
[ 9.616427] usb 1-1: New USB device strings: Mfr=1, Product=2, SerialNumber=0
[ 9.616431] usb 1-1: Product: USB2744
[ 9.616435] usb 1-1: Manufacturer: Microchip Tech
[ 9.743943] usb 2-1: new SuperSpeed Gen 1 USB device number 2 using xhci-hcd
[ 9.768270] usb 2-1: New USB device found, idVendor=0424, idProduct=5744, bcdDevice= 2.21
[ 9.768278] usb 2-1: New USB device strings: Mfr=2, Product=3, SerialNumber=0
[ 9.768282] usb 2-1: Product: USB5744
[ 9.768285] usb 2-1: Manufacturer: Microchip Tech
[ 10.027945] usb 1-1.1: new full-speed USB device number 3 using xhci-hcd
[ 10.130240] usb 1-1.1: New USB device found, idVendor=046d, idProduct=c534, bcdDevice=29.01
[ 10.130250] usb 1-1.1: New USB device strings: Mfr=1, Product=2, SerialNumber=0
[ 10.130253] usb 1-1.1: Product: USB Receiver
[ 10.130257] usb 1-1.1: Manufacturer: Logitech
[ 10.222346] input: Logitech USB Receiver as /devices/platform/amba/ff9d0000.usb0/fe200000.dwc3/xhci-hcd.1.auto/usb1/1-1/1-1.1/1-1.1:1.0/0003:046D:C534.0001/input/input0
[ 10.280463] hid-generic 0003:046D:C534.0001: input: USB HID v1.11 Keyboard [Logitech USB Receiver] on usb-xhci-hcd.1.auto-1.1/input0
[ 10.284121] input: Logitech USB Receiver Mouse as /devices/platform/amba/ff9d0000.usb0/fe200000.dwc3/xhci-hcd.1.auto/usb1/1-1/1-1.1/1-1.1:1.1/0003:046D:C534.0002/input/input1
[ 10.284400] input: Logitech USB Receiver Consumer Control as /devices/platform/amba/ff9d0000.usb0/fe200000.dwc3/xhci-hcd.1.auto/usb1/1-1/1-1.1/1-1.1:1.1/0003:046D:C534.0002/input/input2
[ 10.344227] input: Logitech USB Receiver System Control as /devices/platform/amba/ff9d0000.usb0/fe200000.dwc3/xhci-hcd.1.auto/usb1/1-1/1-1.1/1-1.1:1.1/0003:046D:C534.0002/input/input3
[ 10.344344] hid-generic 0003:046D:C534.0002: input: USB HID v1.11 Mouse [Logitech USB Receiver] on usb-xhci-hcd.1.auto-1.1/input1
[ 10.423953] usb 1-1.2: new high-speed USB device number 4 using xhci-hcd
[ 10.524625] usb 1-1.2: New USB device found, idVendor=2357, idProduct=0115, bcdDevice= 2.10
[ 10.524639] usb 1-1.2: New USB device strings: Mfr=1, Product=2, SerialNumber=3
[ 10.524654] usb 1-1.2: Product: 802.11ac NIC
[ 10.524658] usb 1-1.2: Manufacturer: Realtek
[ 10.524661] usb 1-1.2: SerialNumber: 123456
[ 10.651931] usb 1-1.5: new high-speed USB device number 5 using xhci-hcd
[ 10.752765] usb 1-1.5: New USB device found, idVendor=0424, idProduct=2740, bcdDevice= 2.00
[ 10.752782] usb 1-1.5: New USB device strings: Mfr=1, Product=2, SerialNumber=0
[ 10.752790] usb 1-1.5: Product: Hub Controller
[ 10.752794] usb 1-1.5: Manufacturer: Microchip Tech
[ 13.083907] usbcore: registered new interface driver rtl88x2bu
[ 694.706061] usb 1-1.3: new high-speed USB device number 6 using xhci-hcd
[ 695.023412] usb 1-1.3: New USB device found, idVendor=046d, idProduct=0825, bcdDevice= 6.04
[ 695.023423] usb 1-1.3: New USB device strings: Mfr=0, Product=2, SerialNumber=1
[ 695.023427] usb 1-1.3: Product: C270 HD WEBCAM
[ 695.023430] usb 1-1.3: SerialNumber: BB259C60
[ 695.282397] input: C270 HD WEBCAM as /devices/platform/amba/ff9d0000.usb0/fe200000.dwc3/xhci-hcd.1.auto/usb1/1-1/1-1.3/1-1.3:1.0/input/input6
[ 695.470039] usb 1-1.3: set resolution quirk: cval->res = 384
[ 1263.256693] usb 1-1.3: reset high-speed USB device number 6 using xhci-hcd
Nilanjan