linux-kernel - Re: [PATCH v4 07/10] ASoC: dt-bindings: clarify areg-supply documentation

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Message-ID: <20260114-rampant-spiked-heron-a4fb58@quoll>
Date: Wed, 14 Jan 2026 09:14:25 +0100
From: Krzysztof Kozlowski <krzk@...nel.org>
To: Sascha Hauer <s.hauer@...gutronix.de>
Cc: Shenghao Ding <shenghao-ding@...com>, Kevin Lu <kevin-lu@...com>, 
	Baojun Xu <baojun.xu@...com>, Liam Girdwood <lgirdwood@...il.com>, 
	Mark Brown <broonie@...nel.org>, Jaroslav Kysela <perex@...ex.cz>, Takashi Iwai <tiwai@...e.com>, 
	Sebastian Andrzej Siewior <bigeasy@...utronix.de>, Clark Williams <clrkwllms@...nel.org>, 
	Steven Rostedt <rostedt@...dmis.org>, Rob Herring <robh@...nel.org>, 
	Krzysztof Kozlowski <krzk+dt@...nel.org>, Conor Dooley <conor+dt@...nel.org>, Andrew Davis <afd@...com>, 
	Dan Murphy <dmurphy@...com>, linux-sound@...r.kernel.org, linux-kernel@...r.kernel.org, 
	Kevin Lu <luminlong@....com>, linux-rt-devel@...ts.linux.dev, devicetree@...r.kernel.org, 
	Emil-Juhl <juhl.emildahl@...il.com>
Subject: Re: [PATCH v4 07/10] ASoC: dt-bindings: clarify areg-supply
 documentation

On Tue, Jan 13, 2026 at 11:58:50AM +0100, Sascha Hauer wrote:
> From: Emil-Juhl <juhl.emildahl@...il.com>
> 
> The documentation for areg-supply could cause confusion mainly in terms
> of the relationship between AREG and AVDD.
> According to the datasheet[1] the AREG can be one of two cases:
> 
> 1) an external 1.8V supply
> 2) generated by an internal regulator (hence a 1.8V output)
> 
> [1] https://www.ti.com/lit/ds/symlink/tlv320adc5140.pdf
> 
> Signed-off-by: Emil-Juhl <juhl.emildahl@...il.com>
> Signed-off-by: Sascha Hauer <s.hauer@...gutronix.de>
> ---
>  Documentation/devicetree/bindings/sound/ti,tlv320adcx140.yaml | 4 ++--
>  1 file changed, 2 insertions(+), 2 deletions(-)

Acked-by: Krzysztof Kozlowski <krzysztof.kozlowski@....qualcomm.com>

Best regards,
Krzysztof