Hi Anson, On Wed, Apr 25, 2018 at 2:36 AM, Anson Huang <anson.huang@xxxxxxx> wrote: > Sorry, I made a mistake here, the MAX7320 IO0 is for adjusting FEC1's voltage, In this case you need to pass the 'phy-supply' property inside the fec node and add a regulator that is controlled via MAX7320 IO0 pin. -- To unsubscribe from this list: send the line "unsubscribe devicetree" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html