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SubjectRe: [PATCH] dt-bindings: mfd: Convert rn5t618 to json-schema
On Tue, Sep 15, 2020 at 1:49 PM Andreas Kemnade <andreas@kemnade.info> wrote:
>
> On Tue, 15 Sep 2020 11:11:52 -0600
> Rob Herring <robh@kernel.org> wrote:
>
> > On Tue, Sep 08, 2020 at 10:13:03PM +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@kemnade.info>
> > > ---
> > > I have noted myself here as maintainer because I wrote most of the
> > > code of the several subdevices, although not of the .txt-binding.
> > > Due to its .txt-format history BSD license was not added.
> > > I happily ignored the "does MAINTAINERS need updating" thing
> > > from checkpatch.pl, I do not know whether that PMIC should
> > > have a separate entry there.
> > >
> > > .../bindings/mfd/ricoh,rn5t618.yaml | 113 ++++++++++++++++++
> > > .../devicetree/bindings/mfd/rn5t618.txt | 52 --------
> > > 2 files changed, 113 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..9596dde7a69a
> > > --- /dev/null
> > > +++ b/Documentation/devicetree/bindings/mfd/ricoh,rn5t618.yaml
> > > @@ -0,0 +1,113 @@
> > > +# 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@kemnade.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])$":
> > > + $ref: ../regulator/regulator.yaml
> > > + additionalProperties: false
> > > + - if:
> > > + properties:
> > > + compatible:
> > > + contains:
> > > + const: ricoh,rn5t618
> > > + then:
> > > + properties:
> > > + regulators:
> > > + patternProperties:
> > > + "^(DCDC[1-3]|LDO[1-5]|LDORTC[12])$":
> > > + $ref: ../regulator/regulator.yaml
> > > + additionalProperties: false
> > > + - if:
> > > + properties:
> > > + compatible:
> > > + contains:
> > > + const: ricoh,rc5t619
> > > + then:
> > > + properties:
> > > + regulators:
> > > + patternProperties:
> > > + "^(DCDC[1-5]|LDO[1-9]|LDO10|LDORTC[12])$":
> > > + $ref: ../regulator/regulator.yaml
> > > + additionalProperties: false
> >
> > I prefer under 'regulators' below, you have all possible regulator
> > names:
> >
> > patternProperties:
> > "^(DCDC[1-5]|LDO[1-9]|LDO10|LDORTC[12])$":
> > $ref: ../regulator/regulator.yaml
> >
> > and then above you just need to restrict the possible names:
> >
> > regulators:
> > propertyNames:
> > pattern: "^(DCDC[1-3]|LDO[1-5]|LDORTC[12])$"
> >
> > (propertyNames schema is applied to all an object's properties and you
> > don't need additionalProperties here.)
> >
> hmm, dt_binding_check refuses to digest things like this:

That's the overly restrictive meta-schema trying to keep folks in the
lane. Sorry, I should have checked that first.

> allOf:
> - if:
> properties:
> compatible:
> contains:
> const: ricoh,rn5t567
> then:
> properties:
> regulators:
> propertyNames:
> pattern: "^(DCDC[1-4]|LDO[1-5]|LDORTC[12])$"

So just stick with the form you had:

patternProperties:
"^(DCDC[1-4]|LDO[1-5]|LDORTC[12])$": true
additionalProperties: false

Rob

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