GPHY_CTRL_PHY_IDDQ
phy_ctrl_data &= ~(GPHY_CTRL_EXT_RESET | GPHY_CTRL_PHY_IDDQ |
phy_ctrl |= GPHY_CTRL_PHY_IDDQ | GPHY_CTRL_PWDOWN_HW;
GPHY_CTRL_PHY_IDDQ)