LEIOC(4) | Device Drivers Manual (loongson) | LEIOC(4)

# NAME

`leioc` — Loongson 3A low-end IO controller

# SYNOPSIS

`leioc* at mainbus0`
`com* at leioc?`

# DESCRIPTION

The `leioc` driver supports the low-end IO controller present in Loongson 3A CPU packages.

The controller provides several IO interfaces:

- a conventional pci(4) bus
- a Low Pin Count (LPC) bus
- a Serial Peripheral Interface (SPI) bus
- 16 gpio(4) pins
- two com(4) interfaces

Currently, only the com(4) interfaces are supported by the `leioc` driver.

# SEE ALSO

com(4), mainbus(4)

# HISTORY

The `leioc` driver first appeared in OpenBSD 6.1.

November 17, 2016 | Debian