[USB][Linux] USB Serial Converter support

insmod usb-serial.o vendor=0xVVVV product-0xPPPP

The serial port driver uses a major number of 188. Up to sixteen serial ports are supported.

To create the appropriate device entries, use the following commands:

mknod /dev/usb/ttyUSB0 c 188 0
mknod /dev/usb/ttyUSB1 c 188 1
mknod /dev/usb/ttyUSB2 c 188 2
mknod /dev/usb/ttyUSB3 c 188 3
mknod /dev/usb/ttyUSB4 c 188 4
mknod /dev/usb/ttyUSB5 c 188 5
mknod /dev/usb/ttyUSB6 c 188 6
mknod /dev/usb/ttyUSB7 c 188 7
mknod /dev/usb/ttyUSB8 c 188 8
mknod /dev/usb/ttyUSB9 c 188 9
mknod /dev/usb/ttyUSB10 c 188 10
mknod /dev/usb/ttyUSB11 c 188 11
mknod /dev/usb/ttyUSB12 c 188 12
mknod /dev/usb/ttyUSB13 c 188 13
mknod /dev/usb/ttyUSB14 c 188 14
mknod /dev/usb/ttyUSB15 c 188 15

Reference:
USB Serial Converter support