[PATCH v4 0/2] Add maxim max34408/34409 ADC driver and yaml

[Ivan Mikhaylov]

Add Maxim max34408/34409 ADC driver and yaml for it. Until now it
supports only current monitioring function without overcurrent
threshold/delay, shutdown delay configuration, alert interrupt.

Changes from v1:
   - minor changes from Rob's comments for yaml
   - add ena, shtdn and make 4 inputs for R sense from Jonathan's comments for yaml
   - add _REG suffix and make prefix for bitmasks and statuses
   - add SCALE/OFFSET instead of AVG/PROCESSED from Jonathan and
     Lars-Peter comments
   - add chip data from Jonathan and Lars-Peter comments
   - minor changes from Lars-Peter and Jonathan comments for driver

Changes from v2:
   - add channels into hardware description into yaml
   - add rsense property per channel
   - rename pins for shtdn and ena pins
   - make one array for input_rsense values

Changes from v3:
   - change *_34408_OCT3 and 4 to *_34409_OCT3 and 4
   - change of_property_read_u32 to fwnode family calls
   - add i2c dev table
   - change of_match_device to i2c_of_match_device
   - change match->data to i2c_get_match_data 

Ivan Mikhaylov (2):
  dt-bindings: adc: provide max34408/9 device tree binding document
  iio: adc: Add driver support for MAX34408/9

 .../bindings/iio/adc/maxim,max34408.yaml      | 137 +++++++++
 drivers/iio/adc/Kconfig                       |  11 +
 drivers/iio/adc/Makefile                      |   1 +
 drivers/iio/adc/max34408.c                    | 278 ++++++++++++++++++
 4 files changed, 427 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/iio/adc/maxim,max34408.yaml
 create mode 100644 drivers/iio/adc/max34408.c

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2.42.0