linux-kernel - Re: [PATCH v3 1/2] dt:bindings:iio:frequency: Add ADMV4420 doc

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Date:   Thu, 17 Feb 2022 16:29:46 -0600
From:   Rob Herring <robh@...nel.org>
To:     Cristian Pop <cristian.pop@...log.com>
Cc:     linux-iio@...r.kernel.org, linux-kernel@...r.kernel.org,
        jic23@...nel.org, devicetree@...r.kernel.org
Subject: Re: [PATCH v3 1/2] dt:bindings:iio:frequency: Add ADMV4420 doc

On Thu, Feb 17, 2022 at 10:39:55AM -0600, Rob Herring wrote:
> On Thu, 17 Feb 2022 12:12:40 +0200, Cristian Pop wrote:
> > Add device tree bindings for the ADMV4420 K band downconverter.
> > 
> > Signed-off-by: Cristian Pop <cristian.pop@...log.com>
> > ---
> > changes in v3:
> >  - Fix indentation
> >  - Rename property 'adi,lo-freq-hz' to 'adi,lo-freq-khz'

-khz is not a documented unit suffix. Does neither hz nor mhz not give 
enough resolution and range?

> >  .../bindings/iio/frequency/adi,admv4420.yaml  | 54 +++++++++++++++++++
> >  1 file changed, 54 insertions(+)
> >  create mode 100644 Documentation/devicetree/bindings/iio/frequency/adi,admv4420.yaml
> > 
> 
> My bot found errors running 'make DT_CHECKER_FLAGS=-m dt_binding_check'
> on your patch (DT_CHECKER_FLAGS is new in v5.13):
> 
> yamllint warnings/errors:
> 
> dtschema/dtc warnings/errors:
> /builds/robherring/linux-dt-review/Documentation/devicetree/bindings/iio/frequency/adi,admv4420.yaml: properties:adi,lo-freq-khz: 'oneOf' conditional failed, one must be fixed:
> 	'type' is a required property
> 		hint: A vendor boolean property can use "type: boolean"
> 	/builds/robherring/linux-dt-review/Documentation/devicetree/bindings/iio/frequency/adi,admv4420.yaml: properties:adi,lo-freq-khz: 'oneOf' conditional failed, one must be fixed:
> 		'enum' is a required property
> 		'const' is a required property
> 		hint: A vendor string property with exact values has an implicit type
> 		from schema $id: http://devicetree.org/meta-schemas/vendor-props.yaml#
> 	/builds/robherring/linux-dt-review/Documentation/devicetree/bindings/iio/frequency/adi,admv4420.yaml: properties:adi,lo-freq-khz: 'oneOf' conditional failed, one must be fixed:
> 		'$ref' is a required property
> 		'allOf' is a required property
> 		hint: A vendor property needs a $ref to types.yaml
> 		from schema $id: http://devicetree.org/meta-schemas/vendor-props.yaml#
> 	hint: Vendor specific properties must have a type and description unless they have a defined, common suffix.
> 	from schema $id: http://devicetree.org/meta-schemas/vendor-props.yaml#
> /builds/robherring/linux-dt-review/Documentation/devicetree/bindings/iio/frequency/adi,admv4420.yaml: ignoring, error in schema: properties: adi,lo-freq-khz
> Documentation/devicetree/bindings/iio/frequency/adi,admv4420.example.dt.yaml:0:0: /example-0/spi/admv4420@0: failed to match any schema with compatible: ['adi,admv4420']
> 
> doc reference errors (make refcheckdocs):
> 
> See https://patchwork.ozlabs.org/patch/1594130
> 
> This check can fail if there are any dependencies. The base for a patch
> series is generally the most recent rc1.
> 
> 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:
> 
> pip3 install dtschema --upgrade
> 
> Please check and re-submit.
> 
>