imxusb_ulpi_read
(imxusb_ulpi_read(sc, ULPI_VENDOR_ID_LOW) |
imxusb_ulpi_read(sc, ULPI_VENDOR_ID_HIGH) << 8),
(imxusb_ulpi_read(sc, ULPI_PRODUCT_ID_LOW) |
imxusb_ulpi_read(sc, ULPI_PRODUCT_ID_HIGH) << 8));
data = imxusb_ulpi_read(sc, ULPI_FUNCTION_CONTROL);
uint8_t imxusb_ulpi_read(struct imxehci_softc *sc, int addr);