linux-kernel - Re: [PATCH 1/5] dt-bindings: dsp: fix power domain count

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Message-Id: <172668821340.2009095.10209806970812964896.robh@kernel.org>
Date: Wed, 18 Sep 2024 14:36:53 -0500
From: "Rob Herring (Arm)" <robh@...nel.org>
To: Laurentiu Mihalcea <laurentiumihalcea111@...il.com>
Cc: Conor Dooley <conor+dt@...nel.org>, 
 Krzysztof Kozlowski <krzk+dt@...nel.org>, 
 Daniel Baluta <daniel.baluta@....com>, 
 Shengjiu Wang <shengjiu.wang@....com>, 
 Iuliana Prodan <iuliana.prodan@....com>, linux-kernel@...r.kernel.org, 
 Sascha Hauer <s.hauer@...gutronix.de>, linux-arm-kernel@...ts.infradead.org, 
 imx@...ts.linux.dev, Shawn Guo <shawnguo@...nel.org>, 
 devicetree@...r.kernel.org
Subject: Re: [PATCH 1/5] dt-bindings: dsp: fix power domain count


On Wed, 18 Sep 2024 14:21:13 -0400, Laurentiu Mihalcea wrote:
> From: Laurentiu Mihalcea <laurentiu.mihalcea@....com>
> 
> Per the current binding, QM/QXP DSPs are supposed
> to have 4 power domains, while the rest just 1.
> For QM/QXP, the 4 power domains are: DSP, DSP_RAM,
> MU13A, MU13B.
> 
> First off, drop MU13A from the count. This is attached
> to the platform device of lsio_mu13. This decreases the
> count to 3.
> 
> Secondly, drop DSP and DSP_RAM from the count for QXP.
> These are attached to the platform devices of the lpcgs
> (used as clock providers for the DSP).
> 
> With this in mind, the number of required power domains for
> QXP is 1 (MU13B), while for QM it's 3 (MU13B, DSP, DSP_RAM).
> 
> Additionally, two extra power domains may be required in the
> case of QM/QXP DSPs. These are IRQSTR_DSP and MU2A. For the nodes
> using the "-hifi4" compatibles these PDs are optional, while for
> nodes using the "-dsp" compatibles these are mandatory.
> 
> These changes reflect all of this information.
> 
> Signed-off-by: Laurentiu Mihalcea <laurentiu.mihalcea@....com>
> ---
>  .../devicetree/bindings/dsp/fsl,dsp.yaml      | 62 +++++++++++++++----
>  1 file changed, 49 insertions(+), 13 deletions(-)
> 

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/mailbox/arm,mhuv2.example.dtb: dsp@...e8000: power-domains: [[4294967295, 0], [4294967295, 1], [4294967295, 2], [4294967295, 3]] is too long
	from schema $id: http://devicetree.org/schemas/dsp/fsl,dsp.yaml#

doc reference errors (make refcheckdocs):

See https://patchwork.ozlabs.org/project/devicetree-bindings/patch/20240918182117.86221-2-laurentiumihalcea111@gmail.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.