---
name: "qcdwusb"
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/qcdwusb"
---

# qcdwusb(4)

Qualcomm USB 3.0 glue logic

## NAME

**qcdwusb** – Qualcomm USB 3.0 glue logic

## SYNOPSIS

**qcdwusb\* at fdt?** **xhci\* at fdt?**

## DESCRIPTION

The **qcdwusb** driver controls the interface logic for the Synopsys DesignWare USB 3.0 controller found on various Qualcomm Snapdragon SoCs.

## SEE ALSO

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

## HISTORY

The **qcdwusb** device driver first appeared in OpenBSD 7.3.

## AUTHORS

The **qcdwusb** driver was written by Patrick Wildt ⟨*patrick@blueri.se*⟩.