---
name: "omgpio"
section: "4"
platform: "openbsd"
package: "man"
version: "8.0-current-20261101"
release: "OpenBSD 8.0-current (2026-11-01)"
platforms: ["openbsd"]
url: "https://new.carta.tech/omgpio"
---

# omgpio(4)

omap3, omap4 and am335x GPIO controller

## NAME

**omgpio** – omap3, omap4 and am335x GPIO controller

## SYNOPSIS

**omgpio\* at fdt?** **gpio\* at omgpio?**

## DESCRIPTION

The **omgpio** driver provides support for the GPIO controllers found on omap3, omap4 and am335x SoCs. The devices have 32 pins which can be configured as either inputs or outputs, and accessed using [gpioctl(8)](/gpioctl/8.md).

## SEE ALSO

[gpio(4)](/gpio/4.md), [gpioctl(8)](/gpioctl/8.md)

## HISTORY

The **omgpio** driver first appeared in OpenBSD 5.5.

## AUTHORS

The **omgpio** driver was written by Dale Rahn ⟨*drahn@dalerahn.com*⟩.