ULPI_FUNCTION_CONTROL
ulpi_write(hsc, ULPI_FUNCTION_CONTROL + ULPI_REG_CLEAR, (1 << 0));
ulpi_write(hsc, ULPI_FUNCTION_CONTROL + ULPI_REG_SET, (1 << 2));
imxusb_ulpi_write(sc, ULPI_FUNCTION_CONTROL + ULPI_REG_CLEAR,
imxusb_ulpi_write(sc, ULPI_FUNCTION_CONTROL + ULPI_REG_SET,
data = imxusb_ulpi_read(sc, ULPI_FUNCTION_CONTROL);
ulpi_write(sc, ULPI_FUNCTION_CONTROL + ULPI_REG_CLEAR,
ulpi_write(sc, ULPI_FUNCTION_CONTROL + ULPI_REG_SET,
ulpi_write(sc, ULPI_FUNCTION_CONTROL + ULPI_REG_SET,
ulpi_write(sc, ULPI_FUNCTION_CONTROL + ULPI_REG_CLEAR,
ulpi_write(sc, ULPI_FUNCTION_CONTROL + ULPI_REG_SET,
data = ulpi_read(sc, ULPI_FUNCTION_CONTROL);