Hi Anson, On Thu, Nov 8, 2018 at 12:30 AM Anson Huang <anson.huang@xxxxxxx> wrote: > Thanks for pointing out this issue, I made a mistake when doing the search in git repo.. > So, if we have to assert a GPIO, there is no common way in pinctrl driver? Have to > do it in driver itself? Like this case, we have to assert the GPIO in fec driver? You could pass "phy-supply" property and model it as gpio controlled regulator.