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Message-Id: <20240704-iio-pac1921-v2-0-0deb95a48409@gmail.com>
Date: Thu, 04 Jul 2024 19:42:00 +0200
From: Matteo Martelli <matteomartelli3@...il.com>
To: Jonathan Cameron <jic23@...nel.org>, 
 Lars-Peter Clausen <lars@...afoo.de>, Rob Herring <robh@...nel.org>, 
 Krzysztof Kozlowski <krzk+dt@...nel.org>, 
 Conor Dooley <conor+dt@...nel.org>, 
 Marius Cristea <marius.cristea@...rochip.com>
Cc: linux-iio@...r.kernel.org, devicetree@...r.kernel.org, 
 linux-kernel@...r.kernel.org, Matteo Martelli <matteomartelli3@...il.com>
Subject: [PATCH v2 0/2] iio: adc: add support for pac1921

Add iio driver and DT binding for the Microchip PAC1921 Current/Power
monitor.

Implemented most of the features with few limitations listed in the
driver commit message.

Tested with a Pine64 host board connected to a PAC1921 click board [1]
via I2C. The PAC1921 click board embeds the Microchip PAC1921 device
and a 10 mOhms shunt resistor. The PAC1921 datasheet is at [2].

[1]: https://www.mikroe.com/pac1921-click
[2]: https://ww1.microchip.com/downloads/en/DeviceDoc/PAC1921-Data-Sheet-DS20005293E.pdf

Signed-off-by: Matteo Martelli <matteomartelli3@...il.com>
---
Changes in v2:
- DT binding: remove vendor specific gains, add vdd-supply, add
  read/int gpio and fix properties order in example
- Remove parsing of gains from DT
- Handle vdd regulator
- Fix return value in filter_en write handler
- Link to v1: https://lore.kernel.org/r/20240703-iio-pac1921-v1-0-54c47d9180b6@gmail.com

---
Matteo Martelli (2):
      dt-bindings: iio: adc: add binding for pac1921
      iio: adc: add support for pac1921

 .../ABI/testing/sysfs-bus-iio-adc-pac1921          |   45 +
 .../bindings/iio/adc/microchip,pac1921.yaml        |   71 ++
 MAINTAINERS                                        |    7 +
 drivers/iio/adc/Kconfig                            |   10 +
 drivers/iio/adc/Makefile                           |    1 +
 drivers/iio/adc/pac1921.c                          | 1038 ++++++++++++++++++++
 6 files changed, 1172 insertions(+)
---
base-commit: 529d2e1900642eba6df28307e26e19793e227546
change-id: 20240606-iio-pac1921-77fa0fa3ac11

Best regards,
-- 
Matteo Martelli <matteomartelli3@...il.com>


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