ksz8463_get_phy_addr
sw_reg = ksz8463_get_phy_addr(phy, 0, PHY1IHR);
sw_reg = ksz8463_get_phy_addr(phy, 0, PHY1ILR);
sw_reg = ksz8463_get_phy_addr(phy, reg, P1MBCR);
sw_reg = ksz8463_get_phy_addr(phy, reg, P1MBCR);