[PATCH V4 0/7] iio: adc: sc27xx: adjust structure and add PMIC's support

[Cixi Geng <gengcixi@gmail.com>]

From: Cixi Geng <cixi.geng1@unisoc.com>

this patchset add a sc27xx_adc_variant_data structure
and add sc272*,sc273* and ump9620 PMIC support.

v2 changes:
  fix dt_binding_check error
  adjust some code-style issue
  optimize the copy-paste functions
  the smatch warnings found by lkp
  and  ohter comments by v1 patches.

v3 changes:
  fix nvmem-cells Items value and add ump9620 dt sample
  add the correct signature for each patch
  fix the unused warning in 3/7, add explain for set the scales
  remove duplicate code,add goto label in sc27xx_adc_read
  pull out the refactor code into a single patch
  delete the suspend and resume pm for ump9620

v4 changes:
  Add fix tag in the 2/7 patch.
  Separate modification and refactoring 3/7(v3) to 2 pathes.
  remove the pmic_type struct instead of a boot set_volref
  to define the specific feathure.
  use switch statement in all scale_init functions.
  remove ump9620 pmic support in this patchset, submit separately
  in the next patches.

Cixi Geng (7):
  dt-bindings:iio:adc: add sprd,ump9620-adc dt-binding
  iio: adc: sc27xx: fix read big scale voltage not right
  iio: adc: Fine tune the scale calibration values
  iio: adc: sc27xx: structure adjustment and optimization
  iio: adc: refactor some functions for support more PMiCs
  iio: adc: sc27xx: add support for PMIC sc2720 and sc2721
  iio: adc: sc27xx: add support for PMIC sc2730

 .../bindings/iio/adc/sprd,sc2720-adc.yaml     |  59 ++-
 drivers/iio/adc/sc27xx_adc.c                  | 473 ++++++++++++++++--
 2 files changed, 491 insertions(+), 41 deletions(-)

-- 
2.25.1