[PATCH V4] ARM: dts: am57xx-beagle-x15: Add GPIO controlled fan node
nm at ti.com
Mon Jan 5 09:33:50 PST 2015
On 01/05/2015 11:27 AM, Felipe Balbi wrote:
> On Mon, Jan 05, 2015 at 10:32:29AM -0600, Nishanth Menon wrote:
>> TPS gpio now controls a 5v 500mA TL5209 regulator which may be supply
>> a fan (such as AFB02505HHB) over J1 connector for various purposes.
>> Provide device tree node to enable the same.
>> Signed-off-by: Nishanth Menon <nm at ti.com>
>> V4: Change format of the speed-map used.
>> V3: https://patchwork.kernel.org/patch/5562121/
>> V2: https://patchwork.kernel.org/patch/5445111/
>> V1: https://patchwork.kernel.org/patch/5444911/
>> Enable and disable can be controlled by (post the RPM, it finds
>> closest match - even a 1 will do)
>> echo '13000' > /sys/class/hwmon/hwmon0/fan1_target
>> echo '0' > /sys/class/hwmon/hwmon0/fan1_target
>> Test log: http://slexy.org/view/s2T0ajh46z
>> requires CONFIG_GPIO_PALMAS and CONFIG_SENSORS_GPIO_FAN to be operational
> oh, perhaps add these as modules to omap2plus_defconfig ?
In a different patch I suppose if Tony wants it that way.
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