Hi Oliver, On Tue, Oct 9, 2018 at 6:20 AM Oliver Graute <oliver.graute@xxxxxxxxx> wrote: > > Add this line to configure all the pins in hog3 group when pinctrl is probed. > > > > pinctrl-0 = <&pinctrl_hog3>; > > this line indeed solved my problem, now the register value is fine. > > many thanks for this hint. Excellent! Glad the issue is solved :-) Thanks Michal for the hint. Regards, Fabio Estevam