This patches adding support for twl4030_madc_battery to use twl4030_madc iio framework + DT support.
Patches was tested on gta04 board. twl4030_madc_battery driver is converted in
first patch to iio consumer and in next patches is added support for devicetree
+ some small fixes for module autoloading.

Changes from V3:
- added ti prefix for volt-to-capacity-discharging/charging-map properties

Changes from V2:
- fix property names
- add MODULE_DEVICE_TABLE and MODULE_ALIAS

Changes from V1:
- use iio_read_channel_processed instead iio_read_channel_processed
- convert probe to use devm_ as part of adding error handling for iio
- free iio channels on error and on module removal

[1] - https://lkml.org/lkml/2014/2/26/482dd

Marek Belisko (6):
  power: twl4030-madc-battery: Convert to iio consumer.
  power: twl4030_madc_battery: Add device tree support
  Documentation: DT: Document twl4030-madc-battery bindings
  ARM: dts: omap3-gta04: Add battery support
  power: twl4030_madc_battery: Add of_twl4030_madc_match to
    MODULE_DEVICE_TABLE
  power: twl4030_madc_battery: Add missing MODULE_ALIAS

 .../bindings/power_supply/twl4030_madc_battery.txt |  43 +++++
 arch/arm/boot/dts/omap3-gta04.dtsi                 |  30 ++++
 drivers/power/twl4030_madc_battery.c               | 183 +++++++++++++++++----
 3 files changed, 221 insertions(+), 35 deletions(-)
 create mode 100644 Documentation/devicetree/bindings/power_supply/twl4030_madc_battery.txt

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1.9.1