PHY_CNFG_PAD_SP_MASK
val |= FIELD_PREP(PHY_CNFG_PAD_SP_MASK, PHY_CNFG_PAD_SP_SG2042);
drv = FIELD_PREP(PHY_CNFG_PAD_SP_MASK, priv->drive_impedance & 0xF);
val |= FIELD_PREP(PHY_CNFG_PAD_SP_MASK, PHY_CNFG_PAD_SP);