linux-kernel - Re: [PATCH v3 6/8] dt-bindings: iio: adc: document diff-channels corner case for some ADCs

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Message-ID: <je4r6tah5ceevoi3pow7wzz3usxyrdf2mi3zvubdm22ohxfste@2fwuomtvttx5>
Date: Thu, 5 Sep 2024 08:36:46 +0200
From: Krzysztof Kozlowski <krzk@...nel.org>
To: Alexandru Ardelean <aardelean@...libre.com>
Cc: linux-iio@...r.kernel.org, linux-kernel@...r.kernel.org, 
	devicetree@...r.kernel.org, jic23@...nel.org, krzk+dt@...nel.org, robh@...nel.org, 
	lars@...afoo.de, michael.hennerich@...log.com, gstols@...libre.com
Subject: Re: [PATCH v3 6/8] dt-bindings: iio: adc: document diff-channels
 corner case for some ADCs

On Wed, Sep 04, 2024 at 10:27:14AM +0300, Alexandru Ardelean wrote:
> Some ADCs have channels with negative and positive inputs, which can be
> used to measure differential voltage levels. These inputs/pins are
> dedicated (to the given channel) and cannot be muxed as with other ADCs.
> 
> For those types of setups, the 'diff-channels' property can be specified to
> be used with the channel number (or reg property) for both negative and
> positive inputs/pins.
> 
> Signed-off-by: Alexandru Ardelean <aardelean@...libre.com>
> ---
>  Documentation/devicetree/bindings/iio/adc/adc.yaml | 4 ++++
>  1 file changed, 4 insertions(+)

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

Best regards,
Krzysztof