Hi Geert, Thanks for your feedback! > From: Geert Uytterhoeven <geert@xxxxxxxxxxxxxx> > Sent: 03 January 2023 08:29 > Subject: Re: [PATCH v2 1/4] dt-bindings: mfd: Add RZ/V2M PWC > > Hi Fabrizio, > > On Wed, Dec 21, 2022 at 10:09 PM Fabrizio Castro > <fabrizio.castro.jz@xxxxxxxxxxx> wrote: > > The Renesas RZ/V2M External Power Sequence Controller (PWC) > > IP is a multi-function device, and it's capable of: > > * external power supply on/off sequence generation > > * on/off signal generation for the LPDDR4 core power supply (LPVDD) > > * key input signals processing > > * general-purpose output pins > > > > Add the corresponding dt-bindings. > > > > Signed-off-by: Fabrizio Castro <fabrizio.castro.jz@xxxxxxxxxxx> > > --- > > > > v1->v2: I have dropped syscon, simple-mfd, regmap, offset, and the child > nodes. > > Thanks for the update! > > > + renesas,rzv2m-pwc-power: > > + description: The PWC is used to control the system power supplies. > > + type: boolean > > I'm wondering if there is some other way to represent this, e.g. > using DT topology? Some regulator relation? Not that I can think of. With respect to power, this IP only generates control (enable) signals for external regulators, it does not supply power. Thanks, Fab > > Gr{oetje,eeting}s, > > Geert > > -- > Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert@linux- > m68k.org > > In personal conversations with technical people, I call myself a hacker. > But > when I'm talking to journalists I just say "programmer" or something like > that. > -- Linus Torvalds