The reset value of the USBHS_DEVCTRL.DETACH bit is one.
It is possible to initiate a device re-enumeration by simply writing a one, and then a zero, to USBHS_DEVCTRL.DETACH.
USBHS_DEVCTRL.DETACH acts on the pull-up connections of the D+ and D- pads. See “Device Mode” for further details.