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! > --- /dev/null > +++ b/Documentation/devicetree/bindings/mfd/renesas,rzv2m-pwc.yaml > @@ -0,0 +1,56 @@ > +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) > +%YAML 1.2 > +--- > +$id: http://devicetree.org/schemas/mfd/renesas,rzv2m-pwc.yaml# > +$schema: http://devicetree.org/meta-schemas/core.yaml# > + > +title: Renesas RZ/V2M External Power Sequence Controller (PWC) > + > +description: |+ > + The PWC IP found in the RZ/V2M family of chips comes with the below > + capabilities > + - 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 > + > +maintainers: > + - Fabrizio Castro <fabrizio.castro.jz@xxxxxxxxxxx> > + > +properties: > + compatible: > + items: > + - enum: > + - renesas,r9a09g011-pwc # RZ/V2M > + - renesas,r9a09g055-pwc # RZ/V2MA > + - const: renesas,rzv2m-pwc > + > + reg: > + maxItems: 1 > + > + gpio-controller: true > + > + '#gpio-cells': > + const: 2 > + > + 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? Gr{oetje,eeting}s, Geert -- Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert@xxxxxxxxxxxxxx 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
