[PATCH v4 0/2] MAX77693: add initial MAX77693 MFD driver

[Chanwoo Choi]

MAX77693 is sub PMIC(Power Management IC) working
with other main PMIC. It has several features:
-PMIC
-MUIC(Micro USB Interface Controller)
-Camera flash LED control
-Haptic motor control

This patch adds initial basis for several devices.
It is tested on TRATS board.

v4
- Use regmap_update_bits to update max77693 register
- Add max_register field to struct regmap_config for debugfs
- Use devm_regmap_init_i2c() to register regmap instaad of
  regmap_init_i2c()
- Fix typo and remove unnecessary code
- Set irq domain for MAX77693 interrupts regardless of max77693->irq

v3
- Add support irq domain for MAX77693 interrupts
- Apply regmap for i2c

v2
- with comments from Mark
- use devm_kzalloc rather than kzalloc
- print device ID read from device

Chanwoo Choi (2):
  MFD: MAX77693: add MAX77693 MFD driver
  MFD: MAX77693: add IRQ handler

 drivers/mfd/Kconfig                  |   12 ++
 drivers/mfd/Makefile                 |    1 +
 drivers/mfd/max77693-irq.c           |  309 ++++++++++++++++++++++++++++++++++
 drivers/mfd/max77693.c               |  249 +++++++++++++++++++++++++++
 include/linux/mfd/max77693-private.h |  217 ++++++++++++++++++++++++
 include/linux/mfd/max77693.h         |   36 ++++
 6 files changed, 824 insertions(+), 0 deletions(-)
 create mode 100644 drivers/mfd/max77693-irq.c
 create mode 100644 drivers/mfd/max77693.c
 create mode 100644 include/linux/mfd/max77693-private.h
 create mode 100644 include/linux/mfd/max77693.h

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