linux-kernel - Re: [PATCH v2 3/4] dt-bindings: touchscreen: resistive-adc-touch: add support for z1 and z2 channels

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Date:   Tue, 18 May 2021 13:15:55 -0500
From:   Rob Herring <robh@...nel.org>
To:     Oleksij Rempel <o.rempel@...gutronix.de>
Cc:     David Jander <david@...tonic.nl>, linux-kernel@...r.kernel.org,
        Dmitry Torokhov <dmitry.torokhov@...il.com>,
        Jonathan Cameron <Jonathan.Cameron@...wei.com>,
        Rob Herring <robh+dt@...nel.org>, kernel@...gutronix.de,
        linux-input@...r.kernel.org, devicetree@...r.kernel.org
Subject: Re: [PATCH v2 3/4] dt-bindings: touchscreen: resistive-adc-touch: add support for z1 and z2 channels

On Tue, 18 May 2021 14:57:47 +0200, Oleksij Rempel wrote:
> For pressure calculation based on plates resistance we need some additional
> properties:
> - z1 and z2 channels with additional measurements between plates
> - actual resistance of the touchscreen. Currently we use only
>   X-resistance.
> 
> Signed-off-by: Oleksij Rempel <o.rempel@...gutronix.de>
> ---
>  .../bindings/input/touchscreen/resistive-adc-touch.yaml  | 9 +++++++++
>  1 file changed, 9 insertions(+)
> 

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/input/touchscreen/resistive-adc-touch.example.dt.yaml: resistive_touch: io-channels: [[4294967295, 1], [4294967295, 2], [4294967295, 3], [4294967295, 4]] is too long
	From schema: /builds/robherring/linux-dt-review/Documentation/devicetree/bindings/input/touchscreen/resistive-adc-touch.yaml
/builds/robherring/linux-dt-review/Documentation/devicetree/bindings/input/touchscreen/resistive-adc-touch.example.dt.yaml: resistive_touch: io-channels: Additional items are not allowed ([4294967295, 4] was unexpected)
	From schema: /builds/robherring/linux-dt-review/Documentation/devicetree/bindings/input/touchscreen/resistive-adc-touch.yaml
/builds/robherring/linux-dt-review/Documentation/devicetree/bindings/input/touchscreen/resistive-adc-touch.example.dt.yaml: resistive_touch: io-channel-names:2: 'pressure' was expected
	From schema: /builds/robherring/linux-dt-review/Documentation/devicetree/bindings/input/touchscreen/resistive-adc-touch.yaml
/builds/robherring/linux-dt-review/Documentation/devicetree/bindings/input/touchscreen/resistive-adc-touch.example.dt.yaml: resistive_touch: io-channel-names: ['x', 'y', 'z1', 'z2'] is too long
	From schema: /builds/robherring/linux-dt-review/Documentation/devicetree/bindings/input/touchscreen/resistive-adc-touch.yaml
/builds/robherring/linux-dt-review/Documentation/devicetree/bindings/input/touchscreen/resistive-adc-touch.example.dt.yaml: resistive_touch: io-channel-names: Additional items are not allowed ('z2' was unexpected)
	From schema: /builds/robherring/linux-dt-review/Documentation/devicetree/bindings/input/touchscreen/resistive-adc-touch.yaml

See https://patchwork.ozlabs.org/patch/1480237

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.