Introduce MEN 14F021P00 BMC driver series

This patch set add support for the MEN 14F021P00 Board Management called BMC.

The BMC is a PIC Mikrocontroller which assembled on almost all of our
3U Compact PCI CPU board and a few Box PCs.
main part of the BMC is to start and monitor the board, but there are a
lot more features which can be accessed using an I2C Host interface

Features supported in this Patchset:
        - Watchdog
        - LEDs
        - HWMON

The Patchset includes a MFD Core driver, Watchdog, hwmon  and LEDs driver.

Changes in v5:
	- fixed I2C dependency in MFD Kconfig
	- added correct error handling in update function of the hwmon slave
	  (Use of ERR_PTR)
	- add ATTRIBUTE_GROUP Macro in hwmon slave
	  and deleted platform_set_drvdata

Changes in v4:
        - fixed some style issues
        - fixed GPL license version
        - added hwmon voltage monitoring slave driver

Changes in v3:
        - deleted i2c_smbus wrapper functions and use native one
        - some cosmentics and variable renaming to be more clear
        - renamed "leave production" mode to "exit production mode"

Changes in v2:
        - changed i2c_smbus_read wrapper function to return both, value
          and error.
        - moved "leave production mode" from Watchdog driver to mfd core.
        - fixed some return values in the watchdog driver to return the original
          error value instead of -EIO.


Andreas Werner (4):
  drivers/mfd/menf21bmc: introduce MEN 14F021P00 BMC MFD Core driver
  drivers/watchdog/menf21bmc_wdt: introduce MEN 14F021P00 BMC Watchdog
    driver
  drivers/leds/leds-menf21bmc: introduce MEN 14F021P00 BMC LED driver
  drivers/hwmon/menf21bmc_hwmon: introduce MEN14F021P00 BMC HWMON driver

 Documentation/hwmon/menf21bmc    |  49 +++++++++
 drivers/hwmon/Kconfig            |   7 ++
 drivers/hwmon/Makefile           |   1 +
 drivers/hwmon/menf21bmc_hwmon.c  | 230 +++++++++++++++++++++++++++++++++++++++
 drivers/leds/Kconfig             |   6 +
 drivers/leds/Makefile            |   1 +
 drivers/leds/leds-menf21bmc.c    | 131 ++++++++++++++++++++++
 drivers/mfd/Kconfig              |  12 ++
 drivers/mfd/Makefile             |   1 +
 drivers/mfd/menf21bmc.c          | 132 ++++++++++++++++++++++
 drivers/watchdog/Kconfig         |   7 ++
 drivers/watchdog/Makefile        |   1 +
 drivers/watchdog/menf21bmc_wdt.c | 203 ++++++++++++++++++++++++++++++++++
 13 files changed, 781 insertions(+)
 create mode 100644 Documentation/hwmon/menf21bmc
 create mode 100644 drivers/hwmon/menf21bmc_hwmon.c
 create mode 100644 drivers/leds/leds-menf21bmc.c
 create mode 100644 drivers/mfd/menf21bmc.c
 create mode 100644 drivers/watchdog/menf21bmc_wdt.c

-- 
2.0.4

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