dwiic(4)

dwiic4

Synopsys designware i2c controller

Usage

dwiic* at acpi? dwiic* at fdt? dwiic* at pci? iic* at dwiic?

Overview

The dwiic driver supports the Synopsys DesignWare I2C controller for use with the iic(4) framework.

On systems using the Intel OnChip System Fabric, dwiic may need the iosf(4) driver to coordinate access to the I2C bus.

Releases

23 releases since OpenBSD 5.9; the text changed 3 times.

  1. 5.9–6.0
  2. 6.1–6.2
  3. 6.3–7.3
  4. 7.4–8.0

History

The dwiic device driver first appeared in OpenBSD 5.9.

Authors

The dwiic driver was written by joshua stein ⟨[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.