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cubelinux-kernel/Documentation/hwmon/aspeed-g6-pwm-tach.rst
Greg Kroah-Hartman 598cf27219 Linux 6.19.3
Link: https://lore.kernel.org/r/20260217200002.683975158@linuxfoundation.org
Tested-by: Florian Fainelli <florian.fainelli@broadcom.com>
Tested-by: Takeshi Ogasawara <takeshi.ogasawara@futuring-girl.com>
Tested-by: Peter Schneider <pschneider1968@googlemail.com>
Tested-by: Jon Hunter <jonathanh@nvidia.com>
Tested-by: Salvatore Bonaccorso <carnil@debian.org>
Tested-by: Brett A C Sheffield <bacs@librecast.net>
Tested-by: Mark Brown <broonie@kernel.org>
Tested-by: Luna Jernberg <droidbittin@gmail.com>
Tested-by: Ronald Warsow <rwarsow@gmx.de>
Tested-by: Justin M. Forbes <jforbes@fedoraproject.org>
Tested-by: Ron Economos <re@w6rz.net>
Tested-by: Miguel Ojeda <ojeda@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2026-02-19 16:33:27 +01:00

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.. SPDX-License-Identifier: GPL-2.0-or-later
Kernel driver aspeed-g6-pwm-tach
=================================
Supported chips:
ASPEED AST2600
Authors:
<billy_tsai@aspeedtech.com>
Description:
------------
This driver implements support for ASPEED AST2600 Fan Tacho controller.
The 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.
fanX_div rw Fan divisor: Supported value are power of 4 (1, 4, 16
64, ... 4194304)
The larger divisor, the less rpm accuracy and the less
affected by fan signal glitch.
=============== ======= ======================================================