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[v3,0/2] iio: adc: add LTC2309 support

Message ID 20230828-ltc2309-v3-0-338b3a8fab8b@gmail.com (mailing list archive)
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Series iio: adc: add LTC2309 support | expand

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Liam Beguin Aug. 29, 2023, 2:41 a.m. UTC 
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@gmail.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,