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OHCI(4) Device Drivers Manual OHCI(4)

ohci
USB Open Host Controller Interface

ohci* at cardbus?
ohci* at pci?
ohci* at voyager? (loongson)
usb* at ohci?

The ohci driver provides support for USB Open Host Controller Interface, which provides an interface to usb(4) devices.

cardbus(4), ehci(4), intro(4), pci(4), uhci(4), usb(4), voyager(4)

The ohci driver appeared in OpenBSD 2.7.
September 3, 2016 OpenBSD-current