linux-kernel - [PATCH v3 0/2] iio: adc: add LTC2309 support

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Message-Id: <20230828-ltc2309-v3-0-338b3a8fab8b@gmail.com>
Date:   Mon, 28 Aug 2023 22:41:33 -0400
From:   Liam Beguin <liambeguin@...il.com>
To:     Jonathan Cameron <jic23@...nel.org>,
        Lars-Peter Clausen <lars@...afoo.de>,
        Liam Girdwood <lgirdwood@...il.com>,
        Mark Brown <broonie@...nel.org>,
        Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        Conor Dooley <conor+dt@...nel.org>
Cc:     linux-kernel@...r.kernel.org, linux-iio@...r.kernel.org,
        devicetree@...r.kernel.org, Liam Beguin <liambeguin@...il.com>,
        Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
Subject: [PATCH v3 0/2] iio: adc: add LTC2309 support

The LTC2309 is an 8-Channel, 12-Bit SAR ADC with an I2C Interface.

This implements support for all single-ended and differential channels,
in unipolar mode only.

Signed-off-by: Liam Beguin <liambeguin@...il.com>
---
Changes in v3:
- fix comments, kerneldoc, and i2c_device_id
- drop DRIVER_NAME
- drop datasheet_name
- drop unused i2c clientdata
- rework .read_raw() locking, adding utility function
- remove reundant parent assignment
- use dev_err_probe
- update devm_regulator_get_optional() error handling
- Link to v2: https://lore.kernel.org/r/20230825-ltc2309-v2-0-6d75f2b3fb50@gmail.com

Changes in v2:
- reduce critical section scope to i2c accesses only
- fixup .probe() commit
- fix unbalanced regulator
- rename refcomp to vref
- update lltc,2497.yaml instead of duplicating bindings
- commit dt-bindings before driver
- fix checkpatch --strict warnings
- Link to v1: https://lore.kernel.org/r/20230824-ltc2309-v1-0-b87b4eb8030c@gmail.com

---
Liam Beguin (2):
      dt-bindings: iio: adc: add lltc,ltc2309 bindings
      iio: adc: add ltc2309 support

 .../devicetree/bindings/iio/adc/lltc,ltc2497.yaml  |  20 +-
 drivers/iio/adc/Kconfig                            |  10 +
 drivers/iio/adc/Makefile                           |   1 +
 drivers/iio/adc/ltc2309.c                          | 249 +++++++++++++++++++++
 4 files changed, 275 insertions(+), 5 deletions(-)
---
base-commit: a5e505a99ca748583dbe558b691be1b26f05d678
change-id: 20230823-ltc2309-1945e1e94931

Best regards,
-- 
Liam Beguin <liambeguin@...il.com>