linux-kernel - Re: [PATCH v3 2/2] dt-bindings: MFD: Convert STMPE to YAML schema

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Message-Id: <168349835671.3623272.12285551237666172256.robh@kernel.org>
Date:   Sun, 07 May 2023 17:25:56 -0500
From:   Rob Herring <robh@...nel.org>
To:     Linus Walleij <linus.walleij@...aro.org>
Cc:     Dmitry Torokhov <dmitry.torokhov@...il.com>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        Alexandre Torgue <alexandre.torgue@...s.st.com>,
        Stefan Agner <stefan@...er.ch>,
        linux-arm-kernel@...ts.infradead.org,
        Steffen Trumtrar <s.trumtrar@...gutronix.de>,
        Bartosz Golaszewski <brgl@...ev.pl>,
        Maxime Coquelin <mcoquelin.stm32@...il.com>,
        Lee Jones <lee@...nel.org>,
        Philippe Schenker <philippe.schenker@...adex.com>,
        linux-gpio@...r.kernel.org, devicetree@...r.kernel.org,
        linux-stm32@...md-mailman.stormreply.com,
        linux-kernel@...r.kernel.org, Rob Herring <robh+dt@...nel.org>,
        linux-input@...r.kernel.org, Marek Vasut <marex@...x.de>
Subject: Re: [PATCH v3 2/2] dt-bindings: MFD: Convert STMPE to YAML schema


On Sun, 07 May 2023 23:19:20 +0200, Linus Walleij wrote:
> This converts the STMPE MFD device tree bindings to the YAML
> schema.
> 
> Reference the existing schema for the ADC, just define the
> other subnode schemas directly in the MFD schema.
> 
> Add two examples so we have examples covering both the simple
> GPIO expander and the more complex with ADC and touchscreen.
> 
> Some in-tree users do not follow the naming conventions for nodes
> so these DTS files need to be augmented to use proper node names
> like "adc", "pwm", "gpio", "keyboard-controller" etc before the
> bindings take effect on them.
> 
> Acked-by: Dmitry Torokhov <dmitry.torokhov@...il.com>
> Reviewed-by: Rob Herring <robh@...nel.org>
> Signed-off-by: Linus Walleij <linus.walleij@...aro.org>
> ---
> ChangeLog v2->v3:
> - Drop the required pwm properties already required by the
>   template pwm schema.
> - Add the number of PWM cells as const.
> ChangeLog v1->v2:
> - Split off the GPIO bindings to their own schema, as the old
>   bindings didn't even have any GPIO bindings. Put the GPIO
>   schema before this schema so we can use GPIO in the examples.
> - Drop nodename and pattern as STMPE is not a generic name.
> - Add maxItems to the resets.
> - Make wakeup-source just :true, as it is a generic property.
> - Move unevaluatedProperties for subnodes right before properties
>   as requested.
> - Name devices "port-expander" in the examples.
> - Use lowercase hex in line init.
> ---
>  .../devicetree/bindings/input/stmpe-keypad.txt     |  41 ---
>  .../bindings/input/touchscreen/stmpe.txt           | 108 --------
>  .../devicetree/bindings/mfd/st,stmpe.yaml          | 297 +++++++++++++++++++++
>  Documentation/devicetree/bindings/mfd/stmpe.txt    |  42 ---
>  4 files changed, 297 insertions(+), 191 deletions(-)
> 

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:
./Documentation/devicetree/bindings/mfd/st,stmpe.yaml: Unable to find schema file matching $id: http://devicetree.org/schemas/gpio/st,stmpe-gpio.yaml
/builds/robherring/dt-review-ci/linux/Documentation/devicetree/bindings/media/i2c/ovti,ov2685.example.dtb: camera-sensor@3c: port:endpoint:data-lanes: [[1]] is too short
	From schema: /builds/robherring/dt-review-ci/linux/Documentation/devicetree/bindings/media/i2c/ovti,ov2685.yaml
/builds/robherring/dt-review-ci/linux/Documentation/devicetree/bindings/media/rockchip-isp1.example.dtb: camera@3c: port:endpoint:data-lanes: [[1]] is too short
	From schema: /builds/robherring/dt-review-ci/linux/Documentation/devicetree/bindings/media/i2c/ovti,ov2685.yaml
/builds/robherring/dt-review-ci/linux/Documentation/devicetree/bindings/pci/fsl,imx6q-pcie-ep.example.dtb: pcie-ep@...00000: Unevaluated properties are not allowed ('assigned-clock-parents', 'assigned-clock-rates', 'assigned-clocks' were unexpected)
	From schema: /builds/robherring/dt-review-ci/linux/Documentation/devicetree/bindings/pci/fsl,imx6q-pcie-ep.yaml
/builds/robherring/dt-review-ci/linux/Documentation/devicetree/bindings/mfd/st,stmpe.example.dtb: port-expander@43: gpio: False schema does not allow {'compatible': ['st,stmpe-gpio'], 'gpio-controller': True, '#gpio-cells': [[2]], 'interrupt-controller': True, '#interrupt-cells': [[2]], 'st,norequest-mask': [[15790082]]}
	From schema: /builds/robherring/dt-review-ci/linux/Documentation/devicetree/bindings/mfd/st,stmpe.yaml
Documentation/devicetree/bindings/mfd/st,stmpe.example.dtb: /example-0/i2c/port-expander@...gpio: failed to match any schema with compatible: ['st,stmpe-gpio']
/builds/robherring/dt-review-ci/linux/Documentation/devicetree/bindings/mfd/st,stmpe.example.dtb: port-expander@41: gpio: False schema does not allow {'compatible': ['st,stmpe-gpio'], 'gpio-controller': True, '#gpio-cells': [[2]], 'interrupt-controller': True, '#interrupt-cells': [[2]]}
	From schema: /builds/robherring/dt-review-ci/linux/Documentation/devicetree/bindings/mfd/st,stmpe.yaml
Documentation/devicetree/bindings/mfd/st,stmpe.example.dtb: /example-0/i2c/port-expander@...gpio: failed to match any schema with compatible: ['st,stmpe-gpio']

doc reference errors (make refcheckdocs):
Documentation/usb/gadget_uvc.rst: Documentation/userspace-api/media/v4l/pixfmt-packed.yuv.rst
MAINTAINERS: Documentation/devicetree/bindings/pwm/pwm-apple.yaml

See https://patchwork.ozlabs.org/project/devicetree-bindings/patch/20230426-stmpe-dt-bindings-v3-2-eac1d736e488@linaro.org

The base for the series is generally the latest rc1. A different dependency
should be noted in *this* patch.

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 after running the above command yourself. Note
that DT_SCHEMA_FILES can be set to your schema file to speed up checking
your schema. However, it must be unset to test all examples with your schema.