GNU Linux-libre 4.19.211-gnu1
[releases.git] / Documentation / hwmon / max20751
1 Kernel driver max20751
2 ======================
3
4 Supported chips:
5   * maxim MAX20751
6     Prefix: 'max20751'
7     Addresses scanned: -
8     Datasheet: http://datasheets.maximintegrated.com/en/ds/MAX20751.pdf
9     Application note: http://pdfserv.maximintegrated.com/en/an/AN5941.pdf
10
11 Author: Guenter Roeck <linux@roeck-us.net>
12
13
14 Description
15 -----------
16
17 This driver supports MAX20751 Multiphase Master with PMBus Interface
18 and Internal Buck Converter.
19
20 The driver is a client driver to the core PMBus driver.
21 Please see Documentation/hwmon/pmbus for details on PMBus client drivers.
22
23
24 Usage Notes
25 -----------
26
27 This driver does not auto-detect devices. You will have to instantiate the
28 devices explicitly. Please see Documentation/i2c/instantiating-devices for
29 details.
30
31
32 Platform data support
33 ---------------------
34
35 The driver supports standard PMBus driver platform data.
36
37
38 Sysfs entries
39 -------------
40
41 The following attributes are supported.
42
43 in1_label               "vin1"
44 in1_input               Measured voltage.
45 in1_min                 Minimum input voltage.
46 in1_max                 Maximum input voltage.
47 in1_lcrit               Critical minimum input voltage.
48 in1_crit                Critical maximum input voltage.
49 in1_min_alarm           Input voltage low alarm.
50 in1_lcrit_alarm         Input voltage critical low alarm.
51 in1_min_alarm           Input voltage low alarm.
52 in1_max_alarm           Input voltage high alarm.
53
54 in2_label               "vout1"
55 in2_input               Measured voltage.
56 in2_min                 Minimum output voltage.
57 in2_max                 Maximum output voltage.
58 in2_lcrit               Critical minimum output voltage.
59 in2_crit                Critical maximum output voltage.
60 in2_min_alarm           Output voltage low alarm.
61 in2_lcrit_alarm         Output voltage critical low alarm.
62 in2_min_alarm           Output voltage low alarm.
63 in2_max_alarm           Output voltage high alarm.
64
65 curr1_input             Measured output current.
66 curr1_label             "iout1"
67 curr1_max               Maximum output current.
68 curr1_alarm             Current high alarm.
69
70 temp1_input             Measured temperature.
71 temp1_max               Maximum temperature.
72 temp1_crit              Critical high temperature.
73 temp1_max_alarm         Chip temperature high alarm.
74 temp1_crit_alarm        Chip temperature critical high alarm.
75
76 power1_input            Output power.
77 power1_label            "pout1"