Revision 14525656779e72f3191ef3260089bb52f1f1a48b authored by Alexander Potapenko on 17 July 2020, 16:27:25 UTC, committed by Alexander Potapenko on 17 July 2020, 16:27:25 UTC
Signed-off-by: Alexander Potapenko <glider@google.com>
1 parent f8c3542
npcm750-pwm-fan.rst
Kernel driver npcm750-pwm-fan
=============================
Supported chips:
NUVOTON NPCM750/730/715/705
Authors:
<tomer.maimon@nuvoton.com>
Description:
------------
This driver implements support for NUVOTON NPCM7XX PWM and Fan Tacho
controller. The PWM controller supports up to 8 PWM outputs. The Fan tacho
controller supports up to 16 tachometer inputs.
The driver provides the following sensor accesses in sysfs:
=============== ======= =====================================================
fanX_input ro provide current fan rotation value in RPM as reported
by the fan to the device.
pwmX rw get or set PWM fan control value. This is an integer
value between 0(off) and 255(full speed).
=============== ======= =====================================================
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