linux-kernel - Re: [PATCH 3/6] regulator: dt-bindings: pf8x00: fix nxp,phase-shift doc

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Date:   Tue, 15 Dec 2020 22:09:58 +0100
From:   Adrien Grassein <adrien.grassein@...il.com>
To:     Jagan Teki <jagan@...rulasolutions.com>
Cc:     Mark Brown <broonie@...nel.org>,
        Liam Girdwood <lgirdwood@...il.com>,
        Rob Herring <robh+dt@...nel.org>,
        linux-kernel <linux-kernel@...r.kernel.org>,
        devicetree <devicetree@...r.kernel.org>,
        Troy Kisky <troy.kisky@...ndarydevices.com>
Subject: Re: [PATCH 3/6] regulator: dt-bindings: pf8x00: fix nxp,phase-shift doc

Hello,

I agree with you, but in the DTS file you put the angle, not the
converted value. So 0 is the minimum, 315 the max even if it's not
reflected in the configuration register.

Thanks,

Le mar. 15 déc. 2020 à 22:07, Jagan Teki <jagan@...rulasolutions.com> a écrit :
>
> On Wed, Dec 16, 2020 at 2:19 AM Adrien Grassein
> <adrien.grassein@...il.com> wrote:
> >
> > nxp,phase-shift is an enum so use enum format to describe it.
> > Minimum and maximum values are also wrong.
> >
> > Signed-off-by: Adrien Grassein <adrien.grassein@...il.com>
> > ---
> >  .../bindings/regulator/nxp,pf8x00-regulator.yaml | 16 ++++------------
> >  1 file changed, 4 insertions(+), 12 deletions(-)
> >
> > diff --git a/Documentation/devicetree/bindings/regulator/nxp,pf8x00-regulator.yaml b/Documentation/devicetree/bindings/regulator/nxp,pf8x00-regulator.yaml
> > index 913532d0532e..1da724c6e2ba 100644
> > --- a/Documentation/devicetree/bindings/regulator/nxp,pf8x00-regulator.yaml
> > +++ b/Documentation/devicetree/bindings/regulator/nxp,pf8x00-regulator.yaml
> > @@ -60,21 +60,13 @@ properties:
> >
> >            nxp,phase-shift:
> >              $ref: "/schemas/types.yaml#/definitions/uint32"
> > -            minimum: 45
> > -            maximum: 0
> > +            minimum: 0
> > +            maximum: 315
> > +            default: 0
> > +            enum: [ 0, 45, 90, 135, 180, 225, 270, 315 ]
>
> Do you mean 0 is the minimum or starting value? I can see Table 48.
> SWx phase configuration with minimum and maximum values are starting
> from 45, 90, 135, 180, 225, 270, 315, 0 with phase bits as 0x0 to 0x7
>
> Jagan.