linux-kernel - Re: [PATCH v3 3/7] dt-bindings: soc: mediatek: Add DVFSRC bindings for MT8183 and MT8195

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Date: Thu, 18 Apr 2024 04:36:52 -0500
From: Rob Herring <robh@...nel.org>
To: AngeloGioacchino Del Regno <angelogioacchino.delregno@...labora.com>
Cc: henryc.chen@...iatek.com, krzysztof.kozlowski+dt@...aro.org, 
 wenst@...omium.org, gustavoars@...nel.org, devicetree@...r.kernel.org, 
 linux-mediatek@...ts.infradead.org, matthias.bgg@...il.com, 
 conor+dt@...nel.org, kernel@...labora.com, amergnat@...libre.com, 
 linux-pm@...r.kernel.org, keescook@...omium.org, 
 linux-arm-kernel@...ts.infradead.org, lgirdwood@...il.com, 
 djakov@...nel.org, broonie@...nel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH v3 3/7] dt-bindings: soc: mediatek: Add DVFSRC bindings
 for MT8183 and MT8195


On Thu, 18 Apr 2024 10:28:08 +0200, AngeloGioacchino Del Regno wrote:
> Add bindings for the MediaTek Dynamic Voltage and Frequency Scaling
> Resource Collector (DVFSRC), a hardware module used to collect all the
> requests from both software and the various remote processors embedded
> into the SoC and decide about a minimum operating voltage and a minimum
> DRAM frequency to fulfill those requests in an effort to provide the
> best achievable performance per watt.
> 
> This hardware IP is capable of transparently performing direct register
> R/W on all of the DVFSRC-controlled regulators and SoC bandwidth knobs.
> 
> Signed-off-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@...labora.com>
> ---
>  .../soc/mediatek/mediatek,mt8183-dvfsrc.yaml  | 94 +++++++++++++++++++
>  1 file changed, 94 insertions(+)
>  create mode 100644 Documentation/devicetree/bindings/soc/mediatek/mediatek,mt8183-dvfsrc.yaml
> 

My bot found errors running 'make dt_binding_check' on your patch:

yamllint warnings/errors:

dtschema/dtc warnings/errors:
/builds/robherring/dt-review-ci/linux/Documentation/devicetree/bindings/soc/mediatek/mediatek,mt8183-dvfsrc.example.dtb: system-controller@...12000: regulators@0: 'reg' does not match any of the regexes: 'pinctrl-[0-9]+'
	from schema $id: http://devicetree.org/schemas/soc/mediatek/mediatek,mt8183-dvfsrc.yaml#
/builds/robherring/dt-review-ci/linux/Documentation/devicetree/bindings/soc/mediatek/mediatek,mt8183-dvfsrc.example.dtb: system-controller@...12000: interconnect@1: Unevaluated properties are not allowed ('reg' was unexpected)
	from schema $id: http://devicetree.org/schemas/soc/mediatek/mediatek,mt8183-dvfsrc.yaml#
/builds/robherring/dt-review-ci/linux/Documentation/devicetree/bindings/soc/mediatek/mediatek,mt8183-dvfsrc.example.dtb: regulators@0: 'reg' does not match any of the regexes: 'pinctrl-[0-9]+'
	from schema $id: http://devicetree.org/schemas/regulator/mediatek,mt6873-dvfsrc-regulator.yaml#
/builds/robherring/dt-review-ci/linux/Documentation/devicetree/bindings/soc/mediatek/mediatek,mt8183-dvfsrc.example.dtb: interconnect@1: Unevaluated properties are not allowed ('reg' was unexpected)
	from schema $id: http://devicetree.org/schemas/interconnect/mediatek,mt8183-emi.yaml#

doc reference errors (make refcheckdocs):

See https://patchwork.ozlabs.org/project/devicetree-bindings/patch/20240418082812.152270-4-angelogioacchino.delregno@collabora.com

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.