On Tue, 23 Feb 2021 at 11:45, Adrien Grassein <adrien.grassein@xxxxxxxxx> wrote: > > > > > > > > I would assume this goes from PMIC, so check your schematics. There is > > > > little point in adding a fixed regulator which is non-controllable. > > > > > > No, the 1.8V is issued directly from the alimentation stage. > > > So we can't control it. > > > > > > > I think bindings don't require it. > > > After reading some code, I can say that vqmmc is not mandatory but it > > > helped to find out > > > the caps of the mmc host. In this case, we only support 1.8V on vqmmc. > > > It avoids driver to guess it (and avoid bad behaviour on any future change). > > > > If the supply (hardware) is really 1.8 V then indeed your approach is > > good. So let's keep that one. > > > > To be sure to understand well: should I keep the fixed regulator? > Thanks, Yes, keep it, at least I am fine with it. Best regards, Krzysztof
