MSCC_PHY_TEST_PAGE_5
phy_base_write(phydev, MSCC_PHY_TEST_PAGE_5, 0x1b20);
phy_base_write(phydev, MSCC_PHY_TEST_PAGE_5, 0x1f20);
MSCC_PHY_TEST_PAGE_5, 0x0a00, 0x0e00);