The MDIO support for Hisilicon Network Subsystem. It is used in Hislicon
hip04, hip05 and Hi1610 SoC to control the external PHY
Signed-off-by: Nhuangdaode <huangdaode@hisilicon.com>
Signed-off-by: NYisen Zhuang <Yisen.Zhuang@huawei.com>
Signed-off-by: NKenneth Lee <liguozhu@huawei.com>
Signed-off-by: NDavid S. Miller <davem@davemloft.net>