Revision a111daf0c53ae91e71fd2bfe7497862d14132e3e authored by Linus Torvalds on 19 June 2022, 20:06:47 UTC, committed by Linus Torvalds on 19 June 2022, 20:06:47 UTC
1 parent 05c6ca8
aspeed-pwm-tacho.rst
Kernel driver aspeed-pwm-tacho
==============================
Supported chips:
ASPEED AST2400/2500
Authors:
<jaghu@google.com>
Description:
------------
This driver implements support for ASPEED AST2400/2500 PWM and Fan Tacho
controller. The PWM controller supports upto 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).
=============== ======= =====================================================
![swh spinner](/static/img/swh-spinner.gif)
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