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Date:   Thu, 14 Oct 2021 09:31:04 -0500
From:   Rob Herring <>
To:     Sam Shih <>
Cc:     Matthias Brugger <>,
        Rob Herring <>,
        Linus Walleij <>,
        Ryder Lee <>,,,,, Sean Wang <>,
        John Crispin <>,
Subject: Re: [PATCH v7 1/4] dt-bindings: pinctrl: update bindings for MT7986 SoC

On Thu, 14 Oct 2021 15:58:33 +0800, Sam Shih wrote:
> This updates bindings for MT7986 pinctrl driver. The
> difference of pinctrl between mt7986a and mt7986b is that pin-41 to
> pin-65 do not exist on mt7986b
> Signed-off-by: Sam Shih <>
> ---
> v7 : updated pinctcl node binding description, and separate pinctrl
>      part into a single patch series
> Original thread:
> v6 : fixed yamllint warnings/errors v2
> v5 : fixed yamllint warnings/errors v1
> v4 : used yaml format instead of txt format document
> v3 : make mt7986 pinctrl bindings as a separate file
> v2 : deleted the redundant description of mt7986a/mt7986b
> ---
>  .../pinctrl/mediatek,mt7986-pinctrl.yaml      | 364 ++++++++++++++++++
>  1 file changed, 364 insertions(+)
>  create mode 100644 Documentation/devicetree/bindings/pinctrl/mediatek,mt7986-pinctrl.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:
Documentation/devicetree/bindings/pinctrl/mediatek,mt7986-pinctrl.example.dts:52.36-57.15: ERROR (duplicate_node_names): /example-0/soc/pinctrl@...1f000/uart1-pins: Duplicate node name
ERROR: Input tree has errors, aborting (use -f to force output)
make[1]: *** [scripts/Makefile.lib:385: Documentation/devicetree/bindings/pinctrl/mediatek,mt7986-pinctrl.example.dt.yaml] Error 2
make[1]: *** Waiting for unfinished jobs....
make: *** [Makefile:1441: dt_binding_check] Error 2

doc reference errors (make refcheckdocs):


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

pip3 install dtschema --upgrade

Please check and re-submit.

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