Re: [PATCH v4 2/5] dt-bindings: pinctrl: pinctrl-max77620: convert to DT schema

From: Rob Herring

Date: Thu Mar 12 2026 - 11:40:01 EST


On Thu, Mar 12, 2026 at 10:34 AM Svyatoslav Ryhel <clamor95@xxxxxxxxx> wrote:
>
> чт, 12 бер. 2026 р. о 17:20 Rob Herring <robh@xxxxxxxxxx> пише:
> >
> > On Thu, Mar 12, 2026 at 10:52:55AM +0200, Svyatoslav Ryhel wrote:
> > > Convert pinctrl-max77620 devicetree bindings for the MAX77620 PMIC from
> > > TXT to YAML format. This patch does not change any functionality; the
> > > bindings remain the same.
> > >
> > > Signed-off-by: Svyatoslav Ryhel <clamor95@xxxxxxxxx>
> > > ---
> > > .../pinctrl/maxim,max77620-pinctrl.yaml | 97 +++++++++++++
> > > .../bindings/pinctrl/pinctrl-max77620.txt | 127 ------------------
> > > 2 files changed, 97 insertions(+), 127 deletions(-)
> > > create mode 100644 Documentation/devicetree/bindings/pinctrl/maxim,max77620-pinctrl.yaml
> > > delete mode 100644 Documentation/devicetree/bindings/pinctrl/pinctrl-max77620.txt
> > >
> > > diff --git a/Documentation/devicetree/bindings/pinctrl/maxim,max77620-pinctrl.yaml b/Documentation/devicetree/bindings/pinctrl/maxim,max77620-pinctrl.yaml
> > > new file mode 100644
> > > index 000000000000..4e5f997317ca
> > > --- /dev/null
> > > +++ b/Documentation/devicetree/bindings/pinctrl/maxim,max77620-pinctrl.yaml
> > > @@ -0,0 +1,97 @@
> > > +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
> > > +%YAML 1.2
> > > +---
> > > +$id: http://devicetree.org/schemas/pinctrl/maxim,max77620-pinctrl.yaml#
> > > +$schema: http://devicetree.org/meta-schemas/core.yaml#
> > > +
> > > +title: Pinmux controller function for Maxim MAX77620 Power management IC
> > > +
> > > +maintainers:
> > > + - Svyatoslav Ryhel <clamor95@xxxxxxxxx>
> > > +
> > > +description:
> > > + Device has 8 GPIO pins which can be configured as GPIO as well as the
> > > + special IO functions.
> > > +
> > > +allOf:
> > > + - $ref: /schemas/pinctrl/pincfg-node.yaml
> > > + - $ref: /schemas/pinctrl/pinmux-node.yaml
> >
> > Don't these properties apply to the child nodes?
> >
>
> They do, but not all properties defined in those schema files are
> applicable for this binding. I have marked those which can be applied
> in the node patterns.

Then additionalProperties is appropriate.

> > > +
> > > +patternProperties:
> > > + "^(pin|gpio).":
> > > + type: object
> >
> > additionalProperties: false
>
> I will move additionalProperties here then.

No, moving it is wrong. You need it here AND in the parent node.

Rob