tusb1210_ulpi_read
ret = tusb1210_ulpi_read(tusb, ULPI_OTG_CTRL, ®);
ret = tusb1210_ulpi_read(tusb, TUSB1211_POWER_CONTROL, &val);
ret = tusb1210_ulpi_read(tusb, ULPI_OTG_CTRL, &tusb->otg_ctrl);
ret = tusb1210_ulpi_read(tusb, TUSB1210_VENDOR_SPECIFIC2, ®);