linux-kernel - Re: [PATCH v2] dt-bindings: mfd: Convert rn5t618 to json-schema

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Date:   Tue, 29 Sep 2020 09:15:13 -0500
From:   Rob Herring <robh@...nel.org>
To:     Andreas Kemnade <andreas@...nade.info>
Cc:     Lee Jones <lee.jones@...aro.org>, devicetree@...r.kernel.org,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        Beniamino Galvani <b.galvani@...il.com>,
        Stefan Agner <stefan@...er.ch>
Subject: Re: [PATCH v2] dt-bindings: mfd: Convert rn5t618 to json-schema

On Wed, Sep 23, 2020 at 3:17 PM Andreas Kemnade <andreas@...nade.info> wrote:
>
> On Tue, 22 Sep 2020 19:40:41 -0600
> Rob Herring <robh@...nel.org> wrote:
>
> > On Wed, Sep 16, 2020 at 08:17:57AM +0200, Andreas Kemnade wrote:
> > > Convert the RN5T618 binding to DT schema format. Also
> > > clearly state which regulators are available.
> > >
> > > Signed-off-by: Andreas Kemnade <andreas@...nade.info>
> > > ---
> > > Changes in v2:
> > > - drop irq description
> > >
> > > Due to its .txt-format history BSD license was not added.
> > >  .../bindings/mfd/ricoh,rn5t618.yaml           | 111 ++++++++++++++++++
> > >  .../devicetree/bindings/mfd/rn5t618.txt       |  52 --------
> > >  2 files changed, 111 insertions(+), 52 deletions(-)
> > >  create mode 100644 Documentation/devicetree/bindings/mfd/ricoh,rn5t618.yaml
> > >  delete mode 100644 Documentation/devicetree/bindings/mfd/rn5t618.txt
> > >
> > > diff --git a/Documentation/devicetree/bindings/mfd/ricoh,rn5t618.yaml b/Documentation/devicetree/bindings/mfd/ricoh,rn5t618.yaml
> > > new file mode 100644
> > > index 000000000000..d70e85a09c84
> > > --- /dev/null
> > > +++ b/Documentation/devicetree/bindings/mfd/ricoh,rn5t618.yaml
> > > @@ -0,0 +1,111 @@
> > > +# SPDX-License-Identifier: GPL-2.0
> > > +%YAML 1.2
> > > +---
> > > +$id: http://devicetree.org/schemas/mfd/ricoh,rn5t618.yaml#
> > > +$schema: http://devicetree.org/meta-schemas/core.yaml#
> > > +
> > > +title: Ricoh RN5T567/RN5T618/RC5T619 PMIC
> > > +
> > > +maintainers:
> > > +  - Andreas Kemnade <andreas@...nade.info>
> > > +
> > > +description: |
> > > +  Ricoh RN5T567/RN5T618/RC5T619 is a power management IC family which
> > > +  integrates 3 to 5 step-down DCDC converters, 7 to 10 low-dropout regulators,
> > > +  GPIOs, and a watchdog timer. It can be controlled through an I2C interface.
> > > +  The RN5T618/RC5T619 provides additionally a Li-ion battery charger,
> > > +  fuel gauge, and an ADC.
> > > +  The RC5T619 additionnally includes USB charger detection and an RTC.
> > > +
> > > +allOf:
> > > +  - if:
> > > +      properties:
> > > +        compatible:
> > > +          contains:
> > > +            const: ricoh,rn5t567
> > > +    then:
> > > +      properties:
> > > +        regulators:
> > > +          patternProperties:
> > > +            "^(DCDC[1-4]|LDO[1-5]|LDORTC[12])$":
> > > +              $ref: ../regulator/regulator.yaml
> > > +          additionalProperties: false
> > > +  - if:
> > > +      properties:
> > > +        compatible:
> > > +          contains:
> > > +            const: ricoh,rn5t618
> > > +    then:
> > > +      properties:
> > > +        regulators:
> > > +          patternProperties:
> > > +            "^(DCDC[1-3]|LDO[1-5]|LDORTC[12])$":
> > > +              $ref: ../regulator/regulator.yaml
> > > +          additionalProperties: false
> > > +  - if:
> > > +      properties:
> > > +        compatible:
> > > +          contains:
> > > +            const: ricoh,rc5t619
> > > +    then:
> > > +      properties:
> > > +        regulators:
> > > +          patternProperties:
> > > +            "^(DCDC[1-5]|LDO[1-9]|LDO10|LDORTC[12])$":
> > > +              $ref: ../regulator/regulator.yaml
> > > +          additionalProperties: false
> > > +
> > > +properties:
> > > +  compatible:
> > > +    enum:
> > > +      - ricoh,rn5t567
> > > +      - ricoh,rn5t618
> > > +      - ricoh,rc5t619
> > > +
> > > +  reg:
> > > +    maxItems: 1
> > > +
> > > +  interrupts:
> > > +    maxItems: 1
> > > +
> > > +  system-power-controller:
> > > +    type: boolean
> > > +    description: |
> > > +      See Documentation/devicetree/bindings/power/power-controller.txt
> > > +
> > > +  regulators:
> > > +    type: object
> >
> > Add here:
> >
> > $ref: ../regulator/regulator.yaml
> >
> > And then the occurrances up above can be just 'true'.
> >
> That feels wrong. I would think that gets applied to things directly
> below regulator node and not to the individual regulator subnodes. To
> check that I did:

Ah right, you'd need another level in there. I guess just leave it as is.

Reviewed-by: Rob Herring <robh@...nel.org>