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From:   ChiaWei Wang <chiawei_wang@aspeedtech.com>
To:     Rob Herring <robh@kernel.org>
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Subject: RE: [PATCH v4 1/4] dt-bindings: mfd: aspeed-lpc: Convert to YAML
 schema
Thread-Topic: [PATCH v4 1/4] dt-bindings: mfd: aspeed-lpc: Convert to YAML
 schema
Thread-Index: AQHXqGUb1g4D5otybEGl5hNrtwUyU6uh4jKAgADbMMA=
Date:   Tue, 14 Sep 2021 01:33:54 +0000
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References: <20210913060231.15619-1-chiawei_wang@aspeedtech.com>
 <20210913060231.15619-2-chiawei_wang@aspeedtech.com>
 <1631535523.196891.444718.nullmailer@robh.at.kernel.org>
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> From: Rob Herring <robh@kernel.org>
> Sent: Monday, September 13, 2021 8:19 PM
>=20
> On Mon, 13 Sep 2021 14:02:28 +0800, Chia-Wei Wang wrote:
> > Convert the bindings of Aspeed LPC from text file into YAML schema.
> >
> > Signed-off-by: Chia-Wei Wang <chiawei_wang@aspeedtech.com>
> > ---
> >  .../devicetree/bindings/mfd/aspeed-lpc.txt    | 157 ---------------
> >  .../devicetree/bindings/mfd/aspeed-lpc.yaml   | 187
> ++++++++++++++++++
> >  2 files changed, 187 insertions(+), 157 deletions(-)  delete mode
> > 100644 Documentation/devicetree/bindings/mfd/aspeed-lpc.txt
> >  create mode 100644
> > Documentation/devicetree/bindings/mfd/aspeed-lpc.yaml
> >
>=20
> My bot found errors running 'make DT_CHECKER_FLAGS=3D-m
> dt_binding_check'
> on your patch (DT_CHECKER_FLAGS is new in v5.13):
>=20
> yamllint warnings/errors:
>=20
> dtschema/dtc warnings/errors:
> Documentation/devicetree/bindings/mfd/aspeed-lpc.example.dts:30.35-36.15:
> Warning (unique_unit_address): /example-0/lpc@1e789000/lpc-ctrl@80:
> duplicate unit-address (also used in node
> /example-0/lpc@1e789000/lpc-snoop@80)
> Documentation/devicetree/bindings/mfd/aspeed-lpc.example.dt.yaml:0:0:
> /example-0/lpc@1e789000/lpc-ctrl@80: failed to match any schema with
> compatible: ['aspeed,ast2600-lpc-ctrl']
> Documentation/devicetree/bindings/mfd/aspeed-lpc.example.dt.yaml:0:0:
> /example-0/lpc@1e789000/reset-controller@98: failed to match any schema
> with compatible: ['aspeed,ast2600-lpc-reset']
> Documentation/devicetree/bindings/mfd/aspeed-lpc.example.dt.yaml:0:0:
> /example-0/lpc@1e789000/lpc-snoop@80: failed to match any schema with
> compatible: ['aspeed,ast2600-lpc-snoop']
>=20

I also encountered this error locally.
However, I couldn't find the root cause as these three compatible strings h=
ave been described in the same YAML file.
Could you guys help to give me some hints to resolve this issue? Greatly ap=
preciate that.

> doc reference errors (make refcheckdocs):
>=20
> See https://patchwork.ozlabs.org/patch/1527193
>=20
> This check can fail if there are any dependencies. The base for a patch s=
eries is
> generally the most recent rc1.
>=20
> If you already ran 'make dt_binding_check' and didn't see the above error=
(s),
> then make sure 'yamllint' is installed and dt-schema is up to
> date:
>=20
> pip3 install dtschema --upgrade
>=20
> Please check and re-submit.

My dtschema & yamllint version:
dtschema-2021.7
yamllint-1.26.3

Regards,
Chiawei