linux-kernel - Re: [PATCH 08/11] ASoC: dt-bindings: clarify areg-supply documentation

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Message-ID: <aUQMGawP_dWcTFTc@pengutronix.de>
Date: Thu, 18 Dec 2025 15:13:45 +0100
From: Sascha Hauer <s.hauer@...gutronix.de>
To: Krzysztof Kozlowski <krzk@...nel.org>
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 <emdj@...g-olufsen.dk>
Subject: Re: [PATCH 08/11] ASoC: dt-bindings: clarify areg-supply
 documentation

On Wed, Dec 17, 2025 at 03:30:39PM +0100, Krzysztof Kozlowski wrote:
> On 17/12/2025 14:54, Sascha Hauer wrote:
> > From: Emil-Juhl <emdj@...g-olufsen.dk>
> > 
> > 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
> > 
> 
> Incomplete DCO chain.

We asked Emil to provide his signed-off-by: I'll wait for that before
sending an updated series.

Sascha

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