Texas Instruments OMAP5912 Reference Manual page 1484

USB Device Controller
3.28 Power Management
192 Universal Serial Bus (USB)
Figure 46 shows the values assigned to the USB device controller signals
concerned with power management, in the function of the device state. These
signals are:
-
PUEN_O: Pullup
SYSCON1.PULLUP_EN register bit
-
SHUTOFF_O: Power circuitry shutoff signal, controlled by the core and
the SYSCON1.SOFF_DIS bit
-
DS_WAKE_REQ_ON: Deep-sleep wake request, asserted low when the
interface clock is needed
-
SUSPEND_O: Suspend signal, asserted high when the device is in
suspend mode
enable signal, always reflecting the
SPRU761A