linux-kernel - Re: [PATCH v2] arm64: dts: imx8mm: Add support for emtrion emCON-MX8M Mini

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Message-Id: <1635185813.782599.824871.nullmailer@robh.at.kernel.org>
Date:   Mon, 25 Oct 2021 13:16:53 -0500
From:   Rob Herring <robh@...nel.org>
To:     thanushree.sreerama@...rion.com
Cc:     linux-imx@....com, devicetree@...r.kernel.org, shawnguo@...nel.org,
        robh+dt@...nel.org, frank.erdrich@...rion.com,
        kernel@...gutronix.de, linux-kernel@...r.kernel.org,
        linux-arm-kernel@...ts.infradead.org, s.hauer@...gutronix.de,
        festevam@...il.com
Subject: Re: [PATCH v2] arm64: dts: imx8mm: Add support for emtrion emCON-MX8M Mini

On Mon, 25 Oct 2021 18:15:09 +0200, thanushree.sreerama@...rion.com wrote:
> From: Thanushree Sreerama <thanushree.sreerama@...rion.com>
> 
> This patch adds support for the emtrion GmbH emCON-MX8M Mini modules.
> They are available with NXP i.MX 8M Mini equipped with 2 or 4 GB Memory.
> 
> The devicetree imx8mm-emcon.dtsi is the common part providing all
> module components and the basic support for the SoC. The support for the
> avari baseboard in the developer-kit configuration is provided by the
> emcon-avari dts files.
> 
> Signed-off-by: Thanushree Sreerama <thanushree.sreerama@...rion.com>
> Reviewed by: Frank Erdrich <frank.erdrich@...rion.com>
> ---
>  .../devicetree/bindings/arm/fsl.yaml          |   1 +
>  arch/arm64/boot/dts/freescale/Makefile        |   3 +-
>  .../boot/dts/freescale/imx8mm-emcon-avari.dts |  23 +
>  .../dts/freescale/imx8mm-emcon-avari.dtsi     | 141 ++++
>  .../boot/dts/freescale/imx8mm-emcon.dtsi      | 645 ++++++++++++++++++
>  5 files changed, 812 insertions(+), 1 deletion(-)
>  create mode 100644 arch/arm64/boot/dts/freescale/imx8mm-emcon-avari.dts
>  create mode 100644 arch/arm64/boot/dts/freescale/imx8mm-emcon-avari.dtsi
>  create mode 100644 arch/arm64/boot/dts/freescale/imx8mm-emcon.dtsi
> 

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:
./Documentation/devicetree/bindings/arm/fsl.yaml:714:1: [error] syntax error: found character '\t' that cannot start any token (syntax)

dtschema/dtc warnings/errors:
make[1]: *** Deleting file 'Documentation/devicetree/bindings/arm/fsl.example.dts'
Traceback (most recent call last):
  File "/usr/local/bin/dt-extract-example", line 45, in <module>
    binding = yaml.load(open(args.yamlfile, encoding='utf-8').read())
  File "/usr/local/lib/python3.8/dist-packages/ruamel/yaml/main.py", line 434, in load
    return constructor.get_single_data()
  File "/usr/local/lib/python3.8/dist-packages/ruamel/yaml/constructor.py", line 120, in get_single_data
    node = self.composer.get_single_node()
  File "_ruamel_yaml.pyx", line 706, in _ruamel_yaml.CParser.get_single_node
  File "_ruamel_yaml.pyx", line 724, in _ruamel_yaml.CParser._compose_document
  File "_ruamel_yaml.pyx", line 775, in _ruamel_yaml.CParser._compose_node
  File "_ruamel_yaml.pyx", line 889, in _ruamel_yaml.CParser._compose_mapping_node
  File "_ruamel_yaml.pyx", line 775, in _ruamel_yaml.CParser._compose_node
  File "_ruamel_yaml.pyx", line 889, in _ruamel_yaml.CParser._compose_mapping_node
  File "_ruamel_yaml.pyx", line 775, in _ruamel_yaml.CParser._compose_node
  File "_ruamel_yaml.pyx", line 889, in _ruamel_yaml.CParser._compose_mapping_node
  File "_ruamel_yaml.pyx", line 773, in _ruamel_yaml.CParser._compose_node
  File "_ruamel_yaml.pyx", line 850, in _ruamel_yaml.CParser._compose_sequence_node
  File "_ruamel_yaml.pyx", line 775, in _ruamel_yaml.CParser._compose_node
  File "_ruamel_yaml.pyx", line 889, in _ruamel_yaml.CParser._compose_mapping_node
  File "_ruamel_yaml.pyx", line 773, in _ruamel_yaml.CParser._compose_node
  File "_ruamel_yaml.pyx", line 850, in _ruamel_yaml.CParser._compose_sequence_node
  File "_ruamel_yaml.pyx", line 775, in _ruamel_yaml.CParser._compose_node
  File "_ruamel_yaml.pyx", line 889, in _ruamel_yaml.CParser._compose_mapping_node
  File "_ruamel_yaml.pyx", line 773, in _ruamel_yaml.CParser._compose_node
  File "_ruamel_yaml.pyx", line 852, in _ruamel_yaml.CParser._compose_sequence_node
  File "_ruamel_yaml.pyx", line 904, in _ruamel_yaml.CParser._parse_next_event
ruamel.yaml.scanner.ScannerError: while scanning for the next token
found character that cannot start any token
  in "<unicode string>", line 714, column 1
make[1]: *** [Documentation/devicetree/bindings/Makefile:20: Documentation/devicetree/bindings/arm/fsl.example.dts] Error 1
make[1]: *** Waiting for unfinished jobs....
./Documentation/devicetree/bindings/arm/fsl.yaml:  while scanning for the next token
found character that cannot start any token
  in "<unicode string>", line 714, column 1
/builds/robherring/linux-dt-review/Documentation/devicetree/bindings/arm/fsl.yaml: ignoring, error parsing file
warning: no schema found in file: ./Documentation/devicetree/bindings/arm/fsl.yaml
make: *** [Makefile:1441: dt_binding_check] Error 2

doc reference errors (make refcheckdocs):

See https://patchwork.ozlabs.org/patch/1545835

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.