Re: [PATCH v10 1/4] dt-bindings: media: i2c: Add bindings for Maxim Integrated MAX9286

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Hi Rob,

On Fri, Jun 12, 2020 at 04:10:03PM -0600, Rob Herring wrote:
> On Fri, 12 Jun 2020 15:47:10 +0100, Kieran Bingham wrote:
> > From: Laurent Pinchart <laurent.pinchart+renesas@xxxxxxxxxxxxxxxx>
> >
> > The MAX9286 deserializes video data received on up to 4 Gigabit
> > Multimedia Serial Links (GMSL) and outputs them on a CSI-2 port using up
> > to 4 data lanes.
> >
> > Signed-off-by: Laurent Pinchart <laurent.pinchart+renesas@xxxxxxxxxxxxxxxx>
> > Signed-off-by: Jacopo Mondi <jacopo+renesas@xxxxxxxxxx>
> > Signed-off-by: Kieran Bingham <kieran.bingham+renesas@xxxxxxxxxxxxxxxx>
> > Reviewed-by: Niklas Söderlund <niklas.soderlund+renesas@xxxxxxxxxxxx>
> > Signed-off-by: Niklas Söderlund <niklas.soderlund+renesas@xxxxxxxxxxxx>
> > Reviewed-by: Rob Herring <robh@xxxxxxxxxx>
> >
> > ---
> >
> > v7:
> >  - Collect Rob's RB tag
> >  - Remove redundant maxItems from remote-endpoints
> >  - Fix SPDX licence tag
> >
> > v10:
> > [Jacopo]
> >  - Fix dt-validation
> >  - Fix dt-binding examples with 2 reg entries
> >
> > [Kieran]
> >  - Correctly match the hex camera node reg
> >  - Add (required) GPIO controller support
> >
> >  .../bindings/media/i2c/maxim,max9286.yaml     | 366 ++++++++++++++++++
> >  1 file changed, 366 insertions(+)
> >  create mode 100644 Documentation/devicetree/bindings/media/i2c/maxim,max9286.yaml
> >
>
>
> My bot found errors running 'make dt_binding_check' on your patch:
>
> /builds/robherring/linux-dt-review/Documentation/devicetree/bindings/media/i2c/maxim,max9286.example.dt.yaml: example-0: i2c@e66d8000:reg:0: [0, 3865935872, 0, 64] is too long
>
>
> See https://patchwork.ozlabs.org/patch/1308280
>
> If you already ran 'make dt_binding_check' and didn't see the above
> error(s), then make sure dt-schema is up to date:
>
> pip3 install git+https://github.com/devicetree-org/dt-schema.git@master --upgrade
>

I have updated my dt-schema installation to the latest github master
-------------------------------------------------------------------------------
Successfully installed dtschema-2020.6.dev8+g4d2d86c

https://github.com/devicetree-org/dt-schema/commit/4d2d86c5cd65cd3944ce0aaa400866bc36727bea

$ /usr/bin/dt-validate -V
2020.6.dev8+g4d2d86c
-------------------------------------------------------------------------------

But I still cannot reproduce the error.

However, I see this commit in your next branch
https://github.com/devicetree-org/dt-schema/commit/b72500282cfd2eba6f9df4d7553f696544b40ee6
"schemas: Add a schema to check 'reg' sizes "

Which sounds very likely related to the above reported error.
Was this intentional ?

I'm not sure how I should handle this. The error reports the i2c node
parents should have both address-cells and size-cells properties set
to 2, but in the example there is not i2c node parent at all :)
Should I add a parent node for the i2c in the example snippet ?

Thanks
  j

> Please check and re-submit.
>



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