linux-kernel - Re: [PATCH v9 1/3] dt-bindings: mfd: x-powers,axp152: Document the AXP313a variant

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Date:   Tue, 28 Mar 2023 00:44:45 +0100
From:   Andre Przywara <andre.przywara@....com>
To:     Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
Cc:     Lee Jones <lee@...nel.org>, Chen-Yu Tsai <wens@...e.org>,
        Liam Girdwood <lgirdwood@...il.com>,
        Mark Brown <broonie@...nel.org>,
        Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        Martin Botka <martin.botka@...ainline.org>,
        martin.botka1@...il.com, Shengyu Qu <wiagn233@...look.com>,
        Samuel Holland <samuel@...lland.org>,
        Jernej Skrabec <jernej.skrabec@...il.com>,
        linux-sunxi@...ts.linux.dev, linux-kernel@...r.kernel.org,
        devicetree@...r.kernel.org
Subject: Re: [PATCH v9 1/3] dt-bindings: mfd: x-powers,axp152: Document the
 AXP313a variant

On Sat, 25 Mar 2023 12:40:38 +0100
Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org> wrote:

Hi,

> On 24/03/2023 12:30, Andre Przywara wrote:
> > From: Martin Botka <martin.botka@...ainline.org>
> > 
> > The X-Powers AXP313a is a PMIC used on some devices with the Allwinner
> > H616 or H313 SoC.
> > According to the datasheet, the DC/DC converter PWM frequency is fixed
> > (to 3 MHz), so disallow the property that lets us set this frequency
> > for the other PMICs.
> > 
> > Signed-off-by: Martin Botka <martin.botka@...ainline.org>
> > Signed-off-by: Andre Przywara <andre.przywara@....com>
> > ---
> >  .../devicetree/bindings/mfd/x-powers,axp152.yaml     | 12 ++++++++++++
> >  1 file changed, 12 insertions(+)
> > 
> > diff --git a/Documentation/devicetree/bindings/mfd/x-powers,axp152.yaml b/Documentation/devicetree/bindings/mfd/x-powers,axp152.yaml
> > index b7a8747d5fa0e..4b4f42cb09ef7 100644
> > --- a/Documentation/devicetree/bindings/mfd/x-powers,axp152.yaml
> > +++ b/Documentation/devicetree/bindings/mfd/x-powers,axp152.yaml
> > @@ -79,6 +79,17 @@ allOf:
> >        required:
> >          - interrupts
> >  
> > +  - if:
> > +      properties:
> > +        compatible:
> > +          contains:
> > +            const: x-powers,axp313a
> > +
> > +    then:
> > +      not:
> > +        required:
> > +          - x-powers,dcdc-freq  
> 
> Should be simpler x-powers,dcdc-freq: false

Ah, many thanks! I was a bit concerned about "not required" not sounding
quite right, but I indeed copied from the other cases and verified that
it worked as expected.
But yours is indeed much better, thanks for the other patch!

Cheers,
Andre

> I'll fix the other cases.
> 
> Best regards,
> Krzysztof
>