phy_get_by_ofw_idx
rv = phy_get_by_ofw_idx(sc->dev, 0, 0, &sc->phy);
rv = phy_get_by_ofw_idx(sc->dev, sc->node, i, &(sc->phy[i]));
return (phy_get_by_ofw_idx(consumer_dev, cnode, idx, phy));
int phy_get_by_ofw_idx(device_t consumer, phandle_t node, int idx, phy_t *phy);
for (off = 0; phy_get_by_ofw_idx(dev, 0, off, &phy) == 0; off++) {
for (off = 0; phy_get_by_ofw_idx(dev, 0, off, &phy) == 0; off++) {