Re: [PATCH v9 2/2] dt-bindings: mtd: fixed-partition: Add binman compatibles

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Hi Rob,

On Fri, 22 Mar 2024 at 02:49, Rob Herring <robh@xxxxxxxxxx> wrote:
>
> On Wed, Mar 20, 2024 at 06:24:49PM +1300, Simon Glass wrote:
> > Add two compatibles for binman entries, as a starting point for the
> > schema.
> >
> > Note that, after discussion on v2, we decided to keep the existing
> > meaning of label so as not to require changes to existing userspace
> > software when moving to use binman nodes to specify the firmware
> > layout.
> >
> > Note also that, after discussion on v6, we decided to use the same
> > 'fixed-partition' schema for the binman features, so this version
> > adds a new 'binman.yaml' file providing the new compatibles to the
> > existing partition.yaml binding.
> >
> > Signed-off-by: Simon Glass <sjg@xxxxxxxxxxxx>
> > ---
> >
> > (no changes since v8)
> >
> > Changes in v8:
> > - Switch the patch ordering so the partition change comes first
> >
> > Changes in v7:
> > - Adjust MAINTAINERS entry
> > - Put compatible strings into the 'fixed-partition' binding
> >
> > Changes in v5:
> > - Add mention of why 'binman' is the vendor
> > - Drop  'select: false'
> > - Tidy up the compatible setings
> > - Use 'tfa-bl31' instead of 'atf-bl31'
> >
> > Changes in v4:
> > - Correct selection of multiple compatible strings
> >
> > Changes in v3:
> > - Drop fixed-partitions from the example
> > - Use compatible instead of label
> >
> > Changes in v2:
> > - Use plain partition@xxx for the node name
> >
> >  .../bindings/mtd/partitions/binman.yaml       | 49 +++++++++++++++++++
> >  .../bindings/mtd/partitions/partition.yaml    | 21 ++++++++
> >  MAINTAINERS                                   |  5 ++
> >  3 files changed, 75 insertions(+)
> >  create mode 100644 Documentation/devicetree/bindings/mtd/partitions/binman.yaml
> >
> > diff --git a/Documentation/devicetree/bindings/mtd/partitions/binman.yaml b/Documentation/devicetree/bindings/mtd/partitions/binman.yaml
> > new file mode 100644
> > index 000000000000..83417ad5cee9
> > --- /dev/null
> > +++ b/Documentation/devicetree/bindings/mtd/partitions/binman.yaml
> > @@ -0,0 +1,49 @@
> > +# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause
> > +%YAML 1.2
> > +---
> > +$id: http://devicetree.org/schemas/mtd/partitions/binman.yaml#
> > +$schema: http://devicetree.org/meta-schemas/core.yaml#
> > +
> > +title: Binman entries
> > +
> > +description: |
> > +  TBD
>
> ?

Oh yes, I forgot to put that back when I reworked all these again.

>
> > +
> > +maintainers:
> > +  - Simon Glass <sjg@xxxxxxxxxxxx>
> > +
> > +allOf:
> > +  - $ref: /schemas/mtd/partitions/partition.yaml#
> > +
> > +properties:
> > +  compatible:
> > +    enum:
> > +      - binman,entry # generic binman entry
>
> As-is, 'binman' would need to be added to vendor-prefixes.yaml.
>
> However, I think just 'binman' would provide just as much information.
> But really, does it provide anything? What would be the difference
> between this and no compatible?

In Binman this is the base class ('entry') for all entry types that it
understands. I don't expect we would actually use this since it does
not define what the contents are.

So I can remove this line.

Regards,
Simon




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