---
name: "smtgpio"
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/smtgpio"
---

# smtgpio(4)

SpacemiT GPIO controller

## NAME

**smtgpio** – SpacemiT GPIO controller

## SYNOPSIS

**smtgpio\* at fdt?**

## DESCRIPTION

The **smtgpio** driver provides support for the GPIO controller found on SpacemiT SoCs. It does not provide direct device driver entry points but makes its functions available to other drivers.

## SEE ALSO

[intro(4)](/intro/4.md)

## HISTORY

The **smtgpio** driver first appeared in OpenBSD 7.9.

## AUTHORS

The **smtgpio** driver was written by Mark Kettenis ⟨*kettenis@openbsd.org*⟩.