linux-kernel - Re: [PATCH v2 1/6] dt-bindings: dsp: fsl,dsp: fix power domain count

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Message-Id: <172731542455.2226102.16295733328701144555.robh@kernel.org>
Date: Wed, 25 Sep 2024 20:50:24 -0500
From: "Rob Herring (Arm)" <robh@...nel.org>
To: Laurentiu Mihalcea <laurentiumihalcea111@...il.com>
Cc: linux-arm-kernel@...ts.infradead.org, Shawn Guo <shawnguo@...nel.org>, 
 Conor Dooley <conor+dt@...nel.org>, Shengjiu Wang <shengjiu.wang@....com>, 
 linux-kernel@...r.kernel.org, Iuliana Prodan <iuliana.prodan@....com>, 
 devicetree@...r.kernel.org, imx@...ts.linux.dev, 
 Daniel Baluta <daniel.baluta@....com>, 
 Krzysztof Kozlowski <krzk+dt@...nel.org>, 
 Sascha Hauer <s.hauer@...gutronix.de>
Subject: Re: [PATCH v2 1/6] dt-bindings: dsp: fsl,dsp: fix power domain
 count


On Wed, 25 Sep 2024 19:20:03 -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/20240925232008.205802-2-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.