Re: [PATCH v2 2/7] dt-bindings: loongarch: Add Loongson SoC boards compatibles

[Conor Dooley <conor@kernel.org>]

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On Thu, Aug 17, 2023 at 02:16:13PM +0800, Binbin Zhou wrote:
> Hi Conor:
> 
> Thanks for your reply.
> 
> On Tue, Aug 15, 2023 at 10:13 PM Conor Dooley <conor@kernel.org> wrote:
> >
> > On Tue, Aug 15, 2023 at 04:50:47PM +0800, Binbin Zhou wrote:
> > > Add Loongson SoC boards binding with DT schema format using json-schema.
> > >
> > > Signed-off-by: Binbin Zhou <zhoubinbin@loongson.cn>
> > > ---
> > >  .../devicetree/bindings/loongarch/boards.yaml | 34 +++++++++++++++++++
> > >  1 file changed, 34 insertions(+)
> > >  create mode 100644 Documentation/devicetree/bindings/loongarch/boards.yaml
> > >
> > > diff --git a/Documentation/devicetree/bindings/loongarch/boards.yaml b/Documentation/devicetree/bindings/loongarch/boards.yaml
> > > new file mode 100644
> > > index 000000000000..5092314b7a52
> > > --- /dev/null
> > > +++ b/Documentation/devicetree/bindings/loongarch/boards.yaml
> > > @@ -0,0 +1,34 @@
> > > +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
> > > +%YAML 1.2
> > > +---
> > > +$id: http://devicetree.org/schemas/loongarch/boards.yaml#
> > > +$schema: http://devicetree.org/meta-schemas/core.yaml#
> > > +
> > > +title: Loongson SoC-based boards
> > > +
> > > +maintainers:
> > > +  - Binbin Zhou <zhoubinbin@loongson.cn>
> > > +
> > > +properties:
> > > +  $nodename:
> > > +    const: '/'
> > > +  compatible:
> > > +    oneOf:
> > > +      - description: Loongson-2K0500 processor based boards
> > > +        items:
> > > +          - const: loongson,ls2k0500-ref
> > > +          - const: loongson,ls2k0500
> > > +
> > > +      - description: Loongson-2K1000 processor based boards
> > > +        items:
> > > +          - const: loongson,ls2k1000-ref
> > > +          - const: loongson,ls2k1000
> > > +
> > > +      - description: Loongson-2K2000 processor based boards
> > > +        items:
> > > +          - const: loongson,ls2k2000-ref
> > > +          - const: loongson,ls2k2000
> >
> > Do all of these SoCs just have a single reference/dev board?
> 
> Yes, I have development boards for each Soc on hand now, and it has a
> relatively complete interface. My original idea was to use the
> development boards as examples to show you the Loongson-2K Soc.
> I'm sure more boards will be added in the future.

My reason for asking was that "-ref" is quite generic, but if there is
only one reference board produced by Loongson that's not a problem.

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