linux-kernel - Re: [PATCH v4 0/2] Support for TI ADS7128 and ADS7138 ADCs

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Message-ID: <20250216155436.239a4b35@jic23-huawei>
Date: Sun, 16 Feb 2025 15:54:36 +0000
From: Jonathan Cameron <jic23@...nel.org>
To: Tobias Sperling via B4 Relay
 <devnull+tobias.sperling.softing.com@...nel.org>
Cc: tobias.sperling@...ting.com, Lars-Peter Clausen <lars@...afoo.de>, Rob
 Herring <robh@...nel.org>, Krzysztof Kozlowski <krzk+dt@...nel.org>, Conor
 Dooley <conor+dt@...nel.org>, Liam Girdwood <lgirdwood@...il.com>, Mark
 Brown <broonie@...nel.org>, linux-iio@...r.kernel.org,
 devicetree@...r.kernel.org, linux-kernel@...r.kernel.org, Krzysztof
 Kozlowski <krzysztof.kozlowski@...aro.org>
Subject: Re: [PATCH v4 0/2] Support for TI ADS7128 and ADS7138 ADCs

On Thu, 13 Feb 2025 16:58:56 +0100
Tobias Sperling via B4 Relay <devnull+tobias.sperling.softing.com@...nel.org> wrote:

> This patch series adds support for Texas Instruments ADS7128 and
> ADS7138, which are 12-bit, 8 channel analog-to-digital converters (ADCs)
> with build-in digital window comparator (DWC), using the I2C interface.
> 
> The driver exposes the interfaces to read the raw values, as well as the
> minimum and maximum value for each channel. In addition several settings
> can be configured, like the DWC, sampling frequency or an averaging
> filter/oversampling. Interrupts triggered by the DWC, if configured, are
> then exposed as IIO events.
> 
> ADS7128 differs in the addition of further hardware features, like a
> root-mean-square (RMS) and a zero-crossing-detect (ZCD) module, which
> are not yet supported by the driver.
> 
> Regarding the I2C interface the chips using opcodes to define the way
> how the registeres are accessed, like single or multiple register(s)
> read/write or setting/clearing only bits.
LGTM. Applied to the togreg branch of iio.git and pushed out initially
as testing for 0-day to take a look at it.

I did notice whilst applying that the Kconfig ordering for these TI parts
has gotten scrambled. So at some point we should clean that up and
bring them back into alphanumeric order!

Jonathan