USBPCR_IDPULLUP_OTG
FIELD_PREP(USBPCR_IDPULLUP_MASK, USBPCR_IDPULLUP_OTG);
reg = USBPCR_POR | FIELD_PREP(USBPCR_IDPULLUP_MASK, USBPCR_IDPULLUP_OTG);