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review.shift-gmbh.com / SHIFTPHONES / mainline / linux / 116ca924aea664141afa86a1425edc3fcda0d06f / . / Documentation / hwmon / max20751.rst
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Guenter Roeck1f61cab2015-06-08 11:15:23 -0700[diff] [blame]1Kernel driver max20751
2======================
3
4Supported chips:
Mauro Carvalho Chehab1f234ff2019-04-17 06:46:26 -0300[diff] [blame]5
Guenter Roeck1f61cab2015-06-08 11:15:23 -0700[diff] [blame]6 * maxim MAX20751
Mauro Carvalho Chehab1f234ff2019-04-17 06:46:26 -0300[diff] [blame]7
Guenter Roeck1f61cab2015-06-08 11:15:23 -0700[diff] [blame]8 Prefix: 'max20751'
Mauro Carvalho Chehab1f234ff2019-04-17 06:46:26 -0300[diff] [blame]9
Guenter Roeck1f61cab2015-06-08 11:15:23 -0700[diff] [blame]10 Addresses scanned: -
Mauro Carvalho Chehab1f234ff2019-04-17 06:46:26 -0300[diff] [blame]11
Guenter Roeck1f61cab2015-06-08 11:15:23 -0700[diff] [blame]12 Datasheet: http://datasheets.maximintegrated.com/en/ds/MAX20751.pdf
Mauro Carvalho Chehab1f234ff2019-04-17 06:46:26 -0300[diff] [blame]13
Guenter Roeck1f61cab2015-06-08 11:15:23 -0700[diff] [blame]14 Application note: http://pdfserv.maximintegrated.com/en/an/AN5941.pdf
15
16Author: Guenter Roeck <linux@roeck-us.net>
17
18
19Description
20-----------
21
22This driver supports MAX20751 Multiphase Master with PMBus Interface
23and Internal Buck Converter.
24
25The driver is a client driver to the core PMBus driver.
Mauro Carvalho Chehab7ebd8b662019-04-17 06:46:29 -0300[diff] [blame]26Please see Documentation/hwmon/pmbus.rst for details on PMBus client drivers.
Guenter Roeck1f61cab2015-06-08 11:15:23 -0700[diff] [blame]27
28
29Usage Notes
30-----------
31
32This driver does not auto-detect devices. You will have to instantiate the
Mauro Carvalho Chehabccf988b2019-07-26 09:51:16 -0300[diff] [blame]33devices explicitly. Please see Documentation/i2c/instantiating-devices.rst for
Guenter Roeck1f61cab2015-06-08 11:15:23 -0700[diff] [blame]34details.
35
36
37Platform data support
38---------------------
39
40The driver supports standard PMBus driver platform data.
41
42
43Sysfs entries
44-------------
45
46The following attributes are supported.
47
Mauro Carvalho Chehab1f234ff2019-04-17 06:46:26 -0300[diff] [blame]48======================= =======================================================
Guenter Roeck1f61cab2015-06-08 11:15:23 -0700[diff] [blame]49in1_label "vin1"
50in1_input Measured voltage.
51in1_min Minimum input voltage.
52in1_max Maximum input voltage.
53in1_lcrit Critical minimum input voltage.
54in1_crit Critical maximum input voltage.
55in1_min_alarm Input voltage low alarm.
56in1_lcrit_alarm Input voltage critical low alarm.
57in1_min_alarm Input voltage low alarm.
58in1_max_alarm Input voltage high alarm.
59
60in2_label "vout1"
61in2_input Measured voltage.
62in2_min Minimum output voltage.
63in2_max Maximum output voltage.
64in2_lcrit Critical minimum output voltage.
65in2_crit Critical maximum output voltage.
66in2_min_alarm Output voltage low alarm.
67in2_lcrit_alarm Output voltage critical low alarm.
68in2_min_alarm Output voltage low alarm.
69in2_max_alarm Output voltage high alarm.
70
71curr1_input Measured output current.
72curr1_label "iout1"
73curr1_max Maximum output current.
74curr1_alarm Current high alarm.
75
76temp1_input Measured temperature.
77temp1_max Maximum temperature.
78temp1_crit Critical high temperature.
79temp1_max_alarm Chip temperature high alarm.
80temp1_crit_alarm Chip temperature critical high alarm.
81
82power1_input Output power.
83power1_label "pout1"
Mauro Carvalho Chehab1f234ff2019-04-17 06:46:26 -0300[diff] [blame]84======================= =======================================================