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USLCOM(4) Device Drivers Manual USLCOM(4)

uslcomSilicon Laboratories CP2101/CP2102/CP2103/CP2104/CP2105 based USB serial adapter

To compile this driver into the kernel, place the following lines in your kernel configuration file:

device usb
device ucom
device uslcom

Alternatively, to load the driver as a module at boot time, place the following line in loader.conf(5):

uslcom_load="YES"

The uslcom driver supports Silicon Laboratories CP2101/CP2102/CP2103/CP2104/CP2105 based USB serial adapters.

The following devices should work with the uslcom driver:

/dev/ttyU*
for callin ports
/dev/ttyU*.init
 
/dev/ttyU*.lock
corresponding callin initial-state and lock-state devices

/dev/cuaU*
for callout ports
/dev/cuaU*.init
 
/dev/cuaU*.lock
corresponding callout initial-state and lock-state devices

tty(4), ucom(4), usb(4)

The uslcom device driver first appeared in OpenBSD 4.0. The first FreeBSD release to include it was FreeBSD 7.1.

The uslcom driver was written by Jonathan Gray <jsg@openbsd.org>.

April 26, 2017 FreeBSD-12.0