---
name: "rkiovd"
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/rkiovd"
---

# rkiovd(4)

Rockchip I/O voltage domains

## NAME

**rkiovd** – Rockchip I/O voltage domains

## SYNOPSIS

**rkiovd\* at fdt?**

## DESCRIPTION

The **rkiovd** driver controls the I/O voltage domains of the Rockchip RK3566/RK3568 SoCs. It makes sure the voltage configuration of the domains stays synchronized with the regulators that supply the voltage to these domains.

## SEE ALSO

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

## HISTORY

The **rkiovd** device driver first appeared in OpenBSD 7.4.

## AUTHORS

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