linux-kernel - Re: [PATCH v4 4/6] dt-bindings: iio: adc: add ad7405

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Message-ID: <bd9dd280-0baa-4b03-b286-f16ae848a772@baylibre.com>
Date: Mon, 19 May 2025 10:16:50 -0500
From: David Lechner <dlechner@...libre.com>
To: Pop Ioan Daniel <pop.ioan-daniel@...log.com>,
 Lars-Peter Clausen <lars@...afoo.de>,
 Michael Hennerich <Michael.Hennerich@...log.com>,
 Jonathan Cameron <jic23@...nel.org>, Nuno Sá
 <nuno.sa@...log.com>, Andy Shevchenko <andy@...nel.org>,
 Rob Herring <robh@...nel.org>, Krzysztof Kozlowski <krzk+dt@...nel.org>,
 Conor Dooley <conor+dt@...nel.org>,
 Sergiu Cuciurean <sergiu.cuciurean@...log.com>,
 Dragos Bogdan <dragos.bogdan@...log.com>,
 Antoniu Miclaus <antoniu.miclaus@...log.com>,
 Olivier Moysan <olivier.moysan@...s.st.com>,
 Javier Carrasco <javier.carrasco.cruz@...il.com>,
 Matti Vaittinen <mazziesaccount@...il.com>,
 Tobias Sperling <tobias.sperling@...ting.com>,
 Marcelo Schmitt <marcelo.schmitt@...log.com>,
 Alisa-Dariana Roman <alisadariana@...il.com>,
 Ramona Alexandra Nechita <ramona.nechita@...log.com>,
 linux-iio@...r.kernel.org, devicetree@...r.kernel.org,
 linux-kernel@...r.kernel.org
Subject: Re: [PATCH v4 4/6] dt-bindings: iio: adc: add ad7405

On 5/19/25 9:02 AM, Pop Ioan Daniel wrote:
> Add devicetree bindings for ad7405/adum770x family.
> 
> Signed-off-by: Pop Ioan Daniel <pop.ioan-daniel@...log.com>
> ---

This patch got a Reviewed-by tag in v3, so that should have been picked
up (or give an explanation why it wasn't if there was a reason for this).

Also, Jonathan had some questions about the clock that didn't get answered.

> It's definitely wired to the ADC as a clock but it's also (I think) either
> wired up to the IP we map to the backend (from software point of view)
> or generated by that.

Yes, the clock is a standalone IP block that is connected to both the backend
and the ADC. There are some diagrams in the link below.

https://analogdevicesinc.github.io/hdl/projects/ad7405_fmc/index.html