netdev - Re: [PATCH v5 1/3] dt-bindings: net: adin: document phy clock output properties

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Date:   Mon, 23 May 2022 11:10:00 -0500
From:   Rob Herring <robh+dt@...nel.org>
To:     Josua Mayer <josua@...id-run.com>
Cc:     netdev <netdev@...r.kernel.org>, alvaro.karsz@...id-run.com,
        Michael Hennerich <michael.hennerich@...log.com>,
        "David S. Miller" <davem@...emloft.net>,
        Eric Dumazet <edumazet@...gle.com>,
        Jakub Kicinski <kuba@...nel.org>,
        Paolo Abeni <pabeni@...hat.com>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        Alexandru Ardelean <alexandru.ardelean@...log.com>
Subject: Re: [PATCH v5 1/3] dt-bindings: net: adin: document phy clock output properties

On Tue, May 17, 2022 at 3:54 AM Josua Mayer <josua@...id-run.com> wrote:
>
> The ADIN1300 supports generating certain clocks on its GP_CLK pin, as
> well as providing the reference clock on CLK25_REF.
>
> Add DT properties to configure both pins.
>
> Technically the phy also supports a recovered 125MHz clock for
> synchronous ethernet. However SyncE should be configured dynamically at
> runtime, so it is explicitly omitted in this binding.
>
> Signed-off-by: Josua Mayer <josua@...id-run.com>
> ---
> V4 -> V5: removed recovered clock options
> V3 -> V4: changed type of adi,phy-output-reference-clock to boolean
> V1 -> V2: changed clkout property to enum
> V1 -> V2: added property for CLK25_REF pin
>
>  .../devicetree/bindings/net/adi,adin.yaml         | 15 +++++++++++++++
>  1 file changed, 15 insertions(+)
>
> diff --git a/Documentation/devicetree/bindings/net/adi,adin.yaml b/Documentation/devicetree/bindings/net/adi,adin.yaml
> index 1129f2b58e98..77750df0c2c4 100644
> --- a/Documentation/devicetree/bindings/net/adi,adin.yaml
> +++ b/Documentation/devicetree/bindings/net/adi,adin.yaml
> @@ -36,6 +36,21 @@ properties:
>      enum: [ 4, 8, 12, 16, 20, 24 ]
>      default: 8
>
> +  adi,phy-output-clock:
> +    description: Select clock output on GP_CLK pin. Two clocks are available:

Not valid yaml and now failing in linux-next:

make[1]: *** Deleting file
'Documentation/devicetree/bindings/net/adi,adin.example.dts'
Traceback (most recent call last):
  File "/usr/local/bin/dt-extract-example", line 52, in <module>
    binding = yaml.load(open(args.yamlfile, encoding='utf-8').read())
  File "/usr/local/lib/python3.10/dist-packages/ruamel/yaml/main.py",
line 434, in load
    return constructor.get_single_data()
  File "/usr/local/lib/python3.10/dist-packages/ruamel/yaml/constructor.py",
line 119, 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 891, in
_ruamel_yaml.CParser._compose_mapping_node
  File "_ruamel_yaml.pyx", line 904, in _ruamel_yaml.CParser._parse_next_event
ruamel.yaml.scanner.ScannerError: mapping values are not allowed in this context
  in "<unicode string>", line 40, column 77
make[1]: *** [Documentation/devicetree/bindings/Makefile:26:
Documentation/devicetree/bindings/net/adi,adin.example.dts] Error 1
./Documentation/devicetree/bindings/net/adi,adin.yaml:40:77: [error]
syntax error: mapping values are not allowed here (syntax)
./Documentation/devicetree/bindings/net/adi,adin.yaml:  mapping values
are not allowed in this context
  in "<unicode string>", line 40, column 77


You need a '|' for a literal block if you use a colon in the description.

Rob