linux-kernel - [PATCH v2 0/4] ad7380: add adaq4370-4 and adaq4380-4 support

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Message-Id: <20241023-ad7380-add-adaq4380-4-support-v2-0-d55faea3bedf@baylibre.com>
Date: Wed, 23 Oct 2024 11:19:32 +0200
From: Julien Stephan <jstephan@...libre.com>
To: Lars-Peter Clausen <lars@...afoo.de>, 
 Michael Hennerich <Michael.Hennerich@...log.com>, 
 Nuno Sá <nuno.sa@...log.com>, 
 David Lechner <dlechner@...libre.com>, Jonathan Cameron <jic23@...nel.org>, 
 Rob Herring <robh@...nel.org>, Krzysztof Kozlowski <krzk+dt@...nel.org>, 
 Conor Dooley <conor+dt@...nel.org>, Jonathan Corbet <corbet@....net>
Cc: linux-iio@...r.kernel.org, devicetree@...r.kernel.org, 
 linux-kernel@...r.kernel.org, linux-doc@...r.kernel.org, 
 Julien Stephan <jstephan@...libre.com>
Subject: [PATCH v2 0/4] ad7380: add adaq4370-4 and adaq4380-4 support

Hello,

This series add support for adaq4370-4 (2MSPS) and adaq4380-4 (4MSPS)
which are quad-channel precision data acquisition signal chain μModule
solutions compatible with the ad738x family, with the following differences:

- pin selectable gain in front of each 4 adc
- internal reference is 3V derived from refin-supply (5V)
- additional supplies

This series depends on [1] which fix several supplies issues

[1]: https://lore.kernel.org/all/20241007-ad7380-fix-supplies-v1-0-badcf813c9b9@baylibre.com/

Signed-off-by: Julien Stephan <jstephan@...libre.com>
---
Changes in v2:
- fix commit messages and documentation about the gain: pin selectable
  gain instead of configurable gain
- add the enum of available gains inthe binding and array of available
  gains in the driver as ad4000 series
- in the bindings, remove item from channel reg property
- in the bindings, merge additional supplies and channel properties inside
  the same if branch for adaq devices
- fix comment as suggested by Jonathan in the driver

- Link to v1: https://lore.kernel.org/r/20241015-ad7380-add-adaq4380-4-support-v1-0-d2e1a95fb248@baylibre.com

---
Julien Stephan (4):
      dt-bindings: iio: adc: ad7380: add adaq4370-4 and adaq4380-4 compatible parts
      iio: adc: ad7380: fix oversampling formula
      iio: adc: ad7380: add support for adaq4370-4 and adaq4380-4
      docs: iio: ad7380: add adaq4370-4 and adaq4380-4

 .../devicetree/bindings/iio/adc/adi,ad7380.yaml    | 121 +++++++++++++++++
 Documentation/iio/ad7380.rst                       |  18 +++
 drivers/iio/adc/ad7380.c                           | 149 +++++++++++++++++++--
 3 files changed, 279 insertions(+), 9 deletions(-)
---
base-commit: 8bea3878a1511bceadc2fbf284b00bcc5a2ef28d
change-id: 20241015-ad7380-add-adaq4380-4-support-14dc17ec0029
prerequisite-change-id: 20241004-ad7380-fix-supplies-3677365cf8aa:v3
prerequisite-patch-id: 6127a52d3b14e82d1a6081c7e504d0e4eb323089
prerequisite-patch-id: 7dee57142d0d12682b0be3b62f1c16851aeac069
prerequisite-patch-id: f737e56a372cd91e5fac651a2063b06827f9aa21
prerequisite-patch-id: 7c8d5fbde82810057630b95e12bb2f6576da6980
prerequisite-patch-id: 972bdbf06bafa7c56f604dbe8eb7d236aadaad99

Best regards,
-- 
Julien Stephan <jstephan@...libre.com>