linux-kernel - Re: [PATCH v3 3/8] dt-bindings: marvell: a38x: add solidrun armada 388 clearfog boards

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Date: Tue, 26 Dec 2023 13:40:03 -0600
From: Rob Herring <robh@...nel.org>
To: Josua Mayer <josua@...id-run.com>
Cc: Gregory Clement <gregory.clement@...tlin.com>, devicetree@...r.kernel.org, Andrew Lunn <andrew@...n.ch>, linux-arm-kernel@...ts.infradead.org, Conor Dooley <conor+dt@...nel.org>, Sebastian Hesselbarth <sebastian.hesselbarth@...il.com>, Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>, Rob Herring <robh+dt@...nel.org>, linux-kernel@...r.kernel.org
Subject: Re: [PATCH v3 3/8] dt-bindings: marvell: a38x: add solidrun armada
 388 clearfog boards


On Tue, 26 Dec 2023 19:11:34 +0100, Josua Mayer wrote:
> Add DT compatible for SolidRun Armada-388 based Clearfog Base and Pro
> boards, which are already in place in-tree.
> 
> There are already 3 distinct dts in tree for these *two* boards,
> declaring particular compatible strings:
> - armada-388-clearfog.dts:
>   compatible = "solidrun,clearfog-a1", "marvell,armada388",
>                "marvell,armada385, "marvell,armada380";
> - armada-388-clearfog-base.dts:
>   compatible = "solidrun,clearfog-base-a1", "solidrun,clearfog-a1",
>                "marvell,armada388", "marvell,armada385,
>                "marvell,armada380";
> - armada-388-clearfog-pro.dts:
>   compatible = "solidrun,clearfog-base-a1", "solidrun,clearfog-a1",
>                "marvell,armada388", "marvell,armada385,
>                "marvell,armada380";
> 
> This has historic reasons, the first entry is a legacy name for the
> "pro" version, old versions of u-boot built when only one variant
> existed explicitly boot by this name.
> 
> Note that both compatibles and model field include the string "A1".
> At least up to revision 2.0 of the board, this had been printed
> on the pcb. However in marketing material and conversations it is
> usually omitted. "Clearfog Pro" and "Clearfog Pro A1" always mean
> exactly the same product.
> 
> Technically Base and Pro variants are similar enough that they can
> successfully boot with each other's dts. Hence it makes (some)
> sense for them to share the "clearfog-a1" compatible.
> 
> Add bindings for the explicit variants including base / pro suffix.
> The legacy "armada-388-clearfog.dts" is not supported by these
> bindings" as it does not make sense having two bindings for one board.
> 
> Signed-off-by: Josua Mayer <josua@...id-run.com>
> ---
>  .../devicetree/bindings/arm/marvell/armada-38x.yaml          | 12 ++++++++++++
>  1 file changed, 12 insertions(+)
> 

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/marvell/armada-38x.yaml:46:14: [warning] wrong indentation: expected 14 but found 13 (indentation)

dtschema/dtc warnings/errors:

doc reference errors (make refcheckdocs):

See https://patchwork.ozlabs.org/project/devicetree-bindings/patch/20231226-support-clearfog-gtr-l8-sfp-v3-3-fd1ac2d6bf2e@solid-run.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.