syscon(4)

syscon4

System controller

Usage

syscon* at fdt?

Overview

The syscon driver provides access to a set of miscellaneous hardware registers to other device drivers. The driver may also provide system reset and power off functionality if such functionality is provided through hardware registers in such a set.

Releases

Unchanged in 18 releases since OpenBSD 6.4.

  1. 6.4–8.0

History

The syscon driver first appeared in OpenBSD 6.1.

Authors

The syscon driver was written by Mark Kettenis ⟨[email protected]⟩.

From man 8.0-current-20261101 in OpenBSD 8.0-current (2026-11-01). Parsed by carta from the page's mdoc source.