CTRL_PHY_INTF_MODE
unsigned int mask = CTRL_PHY_INTF_MODE;
#define CTRL_PHY_INTF_RMII FIELD_PREP(CTRL_PHY_INTF_MODE, 0)
#define CTRL_PHY_INTF_RGMII FIELD_PREP(CTRL_PHY_INTF_MODE, 1)
#define CTRL_PHY_INTF_MII FIELD_PREP(CTRL_PHY_INTF_MODE, 3)