===== Silicon Labs CP210x =====
The driver is maintained in the Linux Mainline Kernel, please check that the following options are activated in the Linux Kernel configuration.
* CONFIG_USB_SERIAL
* CONFIG_USB_SERIAL_CP210X
The driver can be downloaded from the Vendor website:\\
[[https://www.silabs.com/developers/usb-to-uart-bridge-vcp-drivers|https://www.silabs.com/developers/usb-to-uart-bridge-vcp-drivers]]
===== FTDI FTXXX =====
The FTDI driver is maintained in the Linux mainline kernel, the configuration options below must be activated in the Linux kernel configuration to operate the USB-to-Serial converter
* CONFIG_USB_SERIAL
* CONFIG_USB_SERIAL_FTDI_SIO
The driver can be downloaded from the FTDI website:\\
[[https://ftdichip.com/drivers/vcp-drivers/|https://ftdichip.com/drivers/vcp-drivers/]]\\
\\
An installation guide can be found at the following link:\\
[[https://ftdichip.com/document/installation-guides/]]
===== Microchip MCP2221 =====
In order to be able to use the MCP2200/MCP2221 with Linux, the kernel must have support for USB CDC class drivers.
The cdc_acm driver is used for the CDC interface of the device.
The driver can be downloaded from the Microchip website:\\
[[https://www.microchip.com/en-us/product/MCP2221]]\\
===== No USB to Serial =====