.. SPDX-License-Identifier: GPL-2.0-or-later

Kernel driver aspeed-g6-pwm-tach

Supported chips: ASPEED AST2600

Authors: [email protected]

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. =============== ======= ======================================================