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DWCTWO(4) Device Drivers Manual DWCTWO(4)

dwctwo
DesignWare HS USB 2.0 OTG controller

dwctwo* at fdt? (arm64, armv7)
dwctwo0 at iobus? irq 56 (octeon)
usb* at dwctwo?

The dwctwo driver provides support for the DesignWare High-Speed USB 2.0 On-the-Go controller, which provides an interface to usb(4) devices.

ehci(4), ohci(4), usb(4), xhci(4)

The dwctwo driver first appeared in OpenBSD 5.8.
February 17, 2017 OpenBSD-current