linux-kernel - Re: [PATCH v4 0/6] Add support for the LTM8054 voltage regulator

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Message-ID: <5820146.Sb9uPGUboI@fw-rgant>
Date: Mon, 24 Nov 2025 17:02:21 +0100
From: Romain Gantois <romain.gantois@...tlin.com>
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 Andy Shevchenko <andriy.shevchenko@...el.com>
Subject: Re: [PATCH v4 0/6] Add support for the LTM8054 voltage regulator

On Monday, 24 November 2025 16:40:37 CET Guenter Roeck wrote:
...
> > 
> > Do you think that using the IIO consumer API is not correct here? What
> > other
> > 
> > method do you think I should use?
> 
> Ok, I had a look into the datasheet. Unless I am missing something, the chip
> doesn't have a digital control or monitoring interface such as I2C or SPI.
> 
> At the same time, you copied the hardware monitoring mailing list on this
> summary and on (at least) one of the patches, but apparently not on all of
> them. This lead to my apparently wrong assumption that iio is used to
> monitor (not [just] control) something on the chip. I wrongly assumed that
> IIO is used to report chip status (voltage, current, temperature) using an
> internal DAC. Obviously that was a wrong assumption. Sorry for that.
> 
> Apparently you copied the hwmon mailing list for the introduction of an IIO
> namespace and its use in a couple of hwmon drivers in one of the patches.
> My personal opinion is that this should not be part of this series but a
> series of its own. That is just my personal opinion, though.

I understand. I can split it out.

Thanks,

-- 
Romain Gantois, Bootlin
Embedded Linux and Kernel engineering
https://bootlin.com

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