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.
This driver also supports devices without DTS specified.
To provide correct functionality, new properties to device tree description for
Exynos4412 and in particular Odroid U3 have been added.
Those patches were tested at Exynos4412 - Odroid U3 board.
Patches were applied on:
linux-soc-thermal/fixes branch (Linux v4.0-rc1)
SHA1: b71d399c7f2fe06b60b96155ec0b9ae167334e4a
Kamil Debski (1):
ARM: dts: Add pwm-fan node to the Odroid-U3 board
Lukasz Majewski (5):
Documentation: dts: Documentation entry to explain how to use PWM FAN
as a cooling device
ARM: dts: Add properties to use pwm-fan device as a cooling device in
Odroid U3
hwmon: pwm-fan: Extract __set_pwm() function to only modify PWM duty
cycle
hwmon: pwm-fan: Read PWM FAN configuration from device tree
hwmon: pwm-fan: Code for using PWM FAN as a cooling device
.../devicetree/bindings/hwmon/pwm-fan.txt | 29 +++-
arch/arm/boot/dts/exynos4.dtsi | 2 +-
arch/arm/boot/dts/exynos4412-odroidu3.dts | 43 ++++++
drivers/hwmon/pwm-fan.c | 172 +++++++++++++++++++--
4 files changed, 229 insertions(+), 17 deletions(-)
--
2.0.0.rc2
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