1 Kernel driver max6639
2 =====================
3
4 Supported chips:
5
6 * Maxim MAX6639
7
8 Prefix: 'max6639'
9
10 Addresses scanned: I2C 0x2c, 0x2e, 0x2f
11
12 Datasheet: https://datasheets.maximintegra
13
14 Authors:
15 - He Changqing <hechangqing@semptian.com>
16 - Roland Stigge <stigge@antcom.de>
17
18 Description
19 -----------
20
21 This driver implements support for the Maxim M
22 temperature monitor with dual PWM fan speed co
23 temperature and one external diode-connected t
24 diode-connected transistors.
25
26 The following device attributes are implemente
27
28 ====================== ==== ==================
29 Attribute R/W Contents
30 ====================== ==== ==================
31 temp1_input R Temperature channe
32 temp2_input R Temperature channe
33 temp1_fault R Temperature channe
34 temp2_fault R Temperature channe
35 temp1_max RW Set THERM temperat
36 (in C, see datashe
37 temp2_max RW Set THERM temperat
38 temp1_crit RW Set ALERT temperat
39 temp2_crit RW Set ALERT temperat
40 temp1_emergency RW Set OT temperature
41 (in C, see datashe
42 temp2_emergency RW Set OT temperature
43 pwm1 RW Fan 1 target duty
44 pwm2 RW Fan 2 target duty
45 fan1_input R TACH1 fan tachomet
46 fan2_input R TACH2 fan tachomet
47 fan1_fault R Fan 1 fault
48 fan2_fault R Fan 2 fault
49 temp1_max_alarm R Alarm on THERM tem
50 temp2_max_alarm R Alarm on THERM tem
51 temp1_crit_alarm R Alarm on ALERT tem
52 temp2_crit_alarm R Alarm on ALERT tem
53 temp1_emergency_alarm R Alarm on OT temper
54 temp2_emergency_alarm R Alarm on OT temper
55 ====================== ==== ==================
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