Re: [PATCH v2] dt-bindings: mips: lantiq: Document lantiq dcdc binding

Conor Dooley
2025-08-15T15:50:08Z

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On Fri, Aug 15, 2025 at 04:48:42PM +0100, Conor Dooley wrote:
> On Fri, Aug 15, 2025 at 12:13:41PM +0200, Aleksander Jan Bajkowski wrote:
> > Hi Conor,
> >
> > On 8/14/25 22:48, Conor Dooley wrote:
> > > On Thu, Aug 14, 2025 at 10:26:56AM +0200, Aleksander Jan Bajkowski wrote:
> > > > Lantiq DCDC is a voltage converter with a voltage sensor.
> > > >
> > > > Signed-off-by: Aleksander Jan Bajkowski <olek2@wp.pl>
> > > > ---
> > > > .../mips/lantiq/lantiq,dcdc-xrx200.yaml | 32 +++++++++++++++++++
> > > > 1 file changed, 32 insertions(+)
> > > > create mode 100644 Documentation/devicetree/bindings/mips/lantiq/lantiq,dcdc-xrx200.yaml
> > > >
> > > > diff --git a/Documentation/devicetree/bindings/mips/lantiq/lantiq,dcdc-xrx200.yaml b/Documentation/devicetree/bindings/mips/lantiq/lantiq,dcdc-xrx200.yaml
> > > > new file mode 100644
> > > > index 000000000000..5648b9676b3c
> > > > --- /dev/null
> > > > +++ b/Documentation/devicetree/bindings/mips/lantiq/lantiq,dcdc-xrx200.yaml
> > > > @@ -0,0 +1,32 @@
> > > > +# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause
> > > > +%YAML 1.2
> > > > +---
> > > > +$id: http://devicetree.org/schemas/mips/lantiq/lantiq,dcdc-xrx200.yaml#
> > > > +$schema: http://devicetree.org/meta-schemas/core.yaml#
> > > > +
> > > > +title: Lantiq DCDC (DC-DC converter with voltage sensor)
> > > > +
> > > > +maintainers:
> > > > + - Aleksander Jan Bajkowski <olek2@wp.pl>
> > > > +
> > > > +properties:
> > > > + compatible:
> > > > + items:
> > > > + - enum:
> > > > + - lantiq,dcdc-xrx200
> > > What is "xrx2000" in this context?
> >
> >
> > “xrx200” is one of the generations of Lantiq SoCs. It includes four part
> > numbers
> > with the same memory map. The other generations are amazon-se, danube,
> > ARX100,
> > GRX100, xRX200, xRX300, xRX330. These correspond to the internal code names:
> > ase,
> > danube, ar9, gr9, vr9, ar10, grx390.
>
> And the dc-dc converter is part of the SoC?

(whether it is or not, you'd be well served by having a more complete
explanation either in your commit message, the description field of the
binding or both)

> Either way, you've got this file in the wrong location probably, dc-dc
> converters are usually under the regulator directory.