[PATCH V7 0/8] Add support for MAXIM MAX77620/MAX20024 PMIC

[Laxman Dewangan <ldewangan@xxxxxxxxxx>]

Add SW support for MAXIM Semiconductor's Power Management
IC (PMIC) MAX77620/MAX20024. This PMIC supports DC-DC/LDOS, GPIOs,
RTC, watchdog, clocks etc.

This series add respective driver for each of sub-modules.

Changes from V1: 
DT DOC:
- Added units in some of properties.
- Change the boolean property to tristate type and detail some of
  properties.

RTC:
- Rename the file to rtc-max77xxx.c and make the generic implementation.
- Direct regmap apis are used for the register access.
- Decouped from max77620 driver.
- Taken care of cleanup comments form V1 version.

MFD:
- Code cleanups per review from V1. 
- Move register access APIs from header to c file.
- Remove some of non required variable, remove duplication in error message
 and simplify some of function implementation.

GPIO:
- Use the gpiochip_add_data and get the chip data from core APIs.
- Cleanups based on comment received on mfd/rtc.
- Avoid duplication on error message.

Pinctrl:
- Cleanup code based on comment received on mfd/rtc.
- Avoid duplication on error message.

Regulators:
- Cleanup code based on comment received on mfd/rtc.
- Avoid duplication on error message.
- Taken care of review comment from Mark.

Changes from V2: 
- Run coccicheck and checkpatch in strict mode for the alignment.
- Drop RTC driver and its i2c client registartion.
- Refactor Regulator  driver to use core API for DT parsing.

Changes from V3: 
- Change all sys initcall to module driver.
- change the max77620_read argument to unisgned int from u8.


Changes from V4:
- Provide more details in the dt binding doc.
- Take care of fps nodes.
- Split the submodule's DT binding doc on respective folder.
- Drop the battery charger and low battery binding and related code as
  it need to go on power driver.

Changes from V5:
- None

Changes from V6:
- Taken care of Lee's comment like used defines for irqs, remove max77620
  register accesss abstractions, remove DTof module and use ID table only,
  reduce the copyright lines.
- Drop configuration for hard power off time chnage as it will be in
  power driver.
- Taken care of Mark's comment about the active discharge. Currently
  drop this configuration and follow up patches to move this to core
  and add callback apis are planned.
- Use direct regmap from all drivers instead of using abstractions.
- move regulator supply to device node instead of regulators sub node.

Laxman Dewangan (8):
  mfd: add device-tree binding doc for PMIC max77620/max20024
  mfd: max77620: add core driver for MAX77620/MAX20024
  pinctrl: add DT binding doc for pincontrol of PMIC max77620/max20024
  pinctrl: max77620: add pincontrol driver for MAX77620/MAX20024
  gpio: add DT binding doc for gpio of PMIC max77620/max20024
  gpio: max77620: add gpio driver for MAX77620/MAX20024
  regulator: add DT binding doc for regulator of PMIC max77620/max20024
  regulator: max77620: add regulator driver for max77620/max20024

 .../devicetree/bindings/gpio/gpio-max77620.txt     |  25 +
 Documentation/devicetree/bindings/mfd/max77620.txt | 118 +++
 .../bindings/pinctrl/pinctrl-max77620.txt          |  87 +++
 .../bindings/regulator/regulator-max77620.txt      | 163 ++++
 drivers/gpio/Kconfig                               |   9 +
 drivers/gpio/Makefile                              |   1 +
 drivers/gpio/gpio-max77620.c                       | 263 +++++++
 drivers/mfd/Kconfig                                |  15 +
 drivers/mfd/Makefile                               |   1 +
 drivers/mfd/max77620.c                             | 540 ++++++++++++++
 drivers/pinctrl/Kconfig                            |  10 +
 drivers/pinctrl/Makefile                           |   1 +
 drivers/pinctrl/pinctrl-max77620.c                 | 687 +++++++++++++++++
 drivers/regulator/Kconfig                          |   9 +
 drivers/regulator/Makefile                         |   1 +
 drivers/regulator/max77620-regulator.c             | 825 +++++++++++++++++++++
 include/dt-bindings/mfd/max77620.h                 |  35 +
 include/linux/mfd/max77620.h                       | 338 +++++++++
 18 files changed, 3128 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/gpio/gpio-max77620.txt
 create mode 100644 Documentation/devicetree/bindings/mfd/max77620.txt
 create mode 100644 Documentation/devicetree/bindings/pinctrl/pinctrl-max77620.txt
 create mode 100644 Documentation/devicetree/bindings/regulator/regulator-max77620.txt
 create mode 100644 drivers/gpio/gpio-max77620.c
 create mode 100644 drivers/mfd/max77620.c
 create mode 100644 drivers/pinctrl/pinctrl-max77620.c
 create mode 100644 drivers/regulator/max77620-regulator.c
 create mode 100644 include/dt-bindings/mfd/max77620.h
 create mode 100644 include/linux/mfd/max77620.h

-- 
2.1.4

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