1.. SPDX-License-Identifier: GPL-2.0
2
3Kernel driver lan966x-hwmon
4===========================
5
6Supported chips:
7
8  * Microchip LAN9668 (sensor in SoC)
9
10    Prefix: 'lan9668-hwmon'
11
12    Datasheet: https://microchip-ung.github.io/lan9668_reginfo
13
14Authors:
15
16	Michael Walle <michael@walle.cc>
17
18Description
19-----------
20
21This driver implements support for the Microchip LAN9668 on-chip
22temperature sensor as well as its fan controller. It provides one
23temperature sensor and one fan controller. The temperature range
24of the sensor is specified from -40 to +125 degrees Celsius and
25its accuracy is +/- 5 degrees Celsius. The fan controller has a
26tacho input and a PWM output with a customizable PWM output
27frequency ranging from ~20Hz to ~650kHz.
28
29No alarms are supported by the SoC.
30
31The driver exports temperature values, fan tacho input and PWM
32settings via the following sysfs files:
33
34**temp1_input**
35
36**fan1_input**
37
38**pwm1**
39
40**pwm1_freq**
41