IMX8MQ_PHY_CTRL0
reg = bus_space_read_4(sc->sc.iot, sc->ph_ioh, IMX8MQ_PHY_CTRL0);
bus_space_write_4(sc->sc.iot, sc->ph_ioh, IMX8MQ_PHY_CTRL0, reg);
reg = bus_space_read_4(sc->sc.iot, sc->ph_ioh, IMX8MQ_PHY_CTRL0);
bus_space_write_4(sc->sc.iot, sc->ph_ioh, IMX8MQ_PHY_CTRL0, reg);
reg = bus_space_read_4(sc->sc.iot, sc->ph_ioh, IMX8MQ_PHY_CTRL0);
bus_space_write_4(sc->sc.iot, sc->ph_ioh, IMX8MQ_PHY_CTRL0, reg);