[PATCH 0/9] hwmon: thermal: Odroid U3: Provide support for Odroid U3 fan

[Lukasz Majewski]

Presented patches add support for Odroid's U3 optional CPU FAN, which uses PWM
subsystem for low level control.

After successful probe it registers itself as a cooling device for thermal
subsystem. To preserve ability to use this fan as a PWM device a stub for
thermal_of_cooling_device_register() has been added.

Moreover, some entries to device tree description for Exynos4412 and in
particular Odroid U3 have been added.

Those patches were tested on Exynos4412 - Odroid U3 board.

Patches were applied on:

linux-soc-thermal/next branch
SHA1: c42c7a44c7a543dcb388c1ee1a798e6ed76ad8cf

with following preceding patch series:
'thermal: exynos: Thermal code rework to use device tree'
http://www.spinics.net/lists/linux-samsung-soc/msg37719.html

Presented code utilize reworked Exynos thermal subsystem.


Kamil Debski (1):
  ARM: dts: Add pwm-fan node to the Odroid-U3 board

Lukasz Majewski (8):
  thermal: Provide stub for thermal_of_cooling_device_register()
    function
  hwmon: dts: Doc: Add DTS doc to explain how to use PWM FAN as a
    cooling device
  hwmon: thermal: dts: Add properties to use pwm-fan device as a cooling
    device in Odroid U3
  hwmon: thermal: Extract __set_pwm() function to only modify PWM duty
    cycle
  hwmon: thermal: Read PWM FAN configuration from device tree
  hwmon: thermal: Code for using PWM FAN as a cooling device
  hwmon: thermal: Provide 'default-pulse-width' property to setup FAN on
    boot
  hwmon: thermal: dts: Disable FAN on boot on the Odroid U3

 .../devicetree/bindings/hwmon/pwm-fan.txt          |  28 +++
 arch/arm/boot/dts/exynos4.dtsi                     |   2 +-
 arch/arm/boot/dts/exynos4412-odroidu3.dts          |  45 +++++
 drivers/hwmon/pwm-fan.c                            | 195 +++++++++++++++++----
 include/linux/thermal.h                            |  14 +-
 5 files changed, 249 insertions(+), 35 deletions(-)

-- 
2.0.0.rc2

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