linux-kernel - Re: [PATCH 2/3] ASoC: dt-bindings: cirrus,cs4271: Document mclk clock

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Message-ID: <20251022-aquatic-pigeon-of-masquerade-4c4369@kuoka>
Date: Wed, 22 Oct 2025 09:57:38 +0200
From: Krzysztof Kozlowski <krzk@...nel.org>
To: Herve Codina <herve.codina@...tlin.com>
Cc: David Rhodes <david.rhodes@...rus.com>, 
	Richard Fitzgerald <rf@...nsource.cirrus.com>, Liam Girdwood <lgirdwood@...il.com>, 
	Mark Brown <broonie@...nel.org>, Rob Herring <robh@...nel.org>, 
	Krzysztof Kozlowski <krzk+dt@...nel.org>, Conor Dooley <conor+dt@...nel.org>, 
	Jaroslav Kysela <perex@...ex.cz>, Takashi Iwai <tiwai@...e.com>, 
	Alexander Sverdlin <alexander.sverdlin@...il.com>, Nikita Shubin <nikita.shubin@...uefel.me>, 
	Axel Lin <axel.lin@...ics.com>, Brian Austin <brian.austin@...rus.com>, 
	linux-sound@...r.kernel.org, patches@...nsource.cirrus.com, devicetree@...r.kernel.org, 
	linux-kernel@...r.kernel.org, Thomas Petazzoni <thomas.petazzoni@...tlin.com>
Subject: Re: [PATCH 2/3] ASoC: dt-bindings: cirrus,cs4271: Document mclk clock

On Thu, Oct 16, 2025 at 03:03:38PM +0200, Herve Codina wrote:
> The Cirrus CS4271 codec can use an external clock as an input Master
> Clock. When no crystal is used, the CS4271 component considers its MCLK
> pin as an input pin and expects the external clock connected to provide
> the Master Clock.
> 
> This clock is not documented in the binding.
> 
> Add the missing clock.
> 
> Signed-off-by: Herve Codina <herve.codina@...tlin.com>
> ---
>  .../devicetree/bindings/sound/cirrus,cs4271.yaml       | 10 ++++++++++
>  1 file changed, 10 insertions(+)

Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>

Best regards,
Krzysztof