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gerrit-public.fairphone.software / kernel / msm-4.9 / refs/tags/FP3-REL-Q-3.A.0107 / . / Documentation / hwmon / lm25066
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Guenter Roeck58615a92013-02-09 15:15:52 -0800[diff] [blame]1Kernel driver lm25066
Guenter Roeck03e9bd82011-07-08 10:43:57 -0700[diff] [blame]2=====================
3
4Supported chips:
Guenter Roeck58615a92013-02-09 15:15:52 -0800[diff] [blame]5 * TI LM25056
6 Prefix: 'lm25056'
7 Addresses scanned: -
8 Datasheets:
9 http://www.ti.com/lit/gpn/lm25056
10 http://www.ti.com/lit/gpn/lm25056a
Guenter Roeckc8ccab72013-03-16 10:25:04 -0700[diff] [blame]11 * TI LM25063
12 Prefix: 'lm25063'
13 Addresses scanned: -
14 Datasheet:
15 To be announced
Guenter Roeck03e9bd82011-07-08 10:43:57 -0700[diff] [blame]16 * National Semiconductor LM25066
17 Prefix: 'lm25066'
18 Addresses scanned: -
19 Datasheets:
20 http://www.national.com/pf/LM/LM25066.html
21 http://www.national.com/pf/LM/LM25066A.html
22 * National Semiconductor LM5064
23 Prefix: 'lm5064'
24 Addresses scanned: -
25 Datasheet:
26 http://www.national.com/pf/LM/LM5064.html
27 * National Semiconductor LM5066
28 Prefix: 'lm5066'
29 Addresses scanned: -
30 Datasheet:
31 http://www.national.com/pf/LM/LM5066.html
32
Guenter Roecke3333e52013-02-20 20:58:42 -0800[diff] [blame]33Author: Guenter Roeck <linux@roeck-us.net>
Guenter Roeck03e9bd82011-07-08 10:43:57 -0700[diff] [blame]34
35
36Description
37-----------
38
Masanari Iida92417da2016-02-28 12:57:57 +0900[diff] [blame]39This driver supports hardware monitoring for National Semiconductor / TI LM25056,
Guenter Roeckc8ccab72013-03-16 10:25:04 -0700[diff] [blame]40LM25063, LM25066, LM5064, and LM5066 Power Management, Monitoring, Control, and
Guenter Roeck58615a92013-02-09 15:15:52 -0800[diff] [blame]41Protection ICs.
Guenter Roeck03e9bd82011-07-08 10:43:57 -0700[diff] [blame]42
43The driver is a client driver to the core PMBus driver. Please see
44Documentation/hwmon/pmbus for details on PMBus client drivers.
45
46
47Usage Notes
48-----------
49
50This driver does not auto-detect devices. You will have to instantiate the
51devices explicitly. Please see Documentation/i2c/instantiating-devices for
52details.
53
54
55Platform data support
56---------------------
57
58The driver supports standard PMBus driver platform data.
59
60
61Sysfs entries
62-------------
63
64The following attributes are supported. Limits are read-write; all other
65attributes are read-only.
66
67in1_label "vin"
68in1_input Measured input voltage.
69in1_average Average measured input voltage.
70in1_min Minimum input voltage.
71in1_max Maximum input voltage.
Guenter Roeckc8ccab72013-03-16 10:25:04 -0700[diff] [blame]72in1_crit Critical high input voltage (LM25063 only).
73in1_lcrit Critical low input voltage (LM25063 only).
Guenter Roeck03e9bd82011-07-08 10:43:57 -0700[diff] [blame]74in1_min_alarm Input voltage low alarm.
75in1_max_alarm Input voltage high alarm.
Guenter Roeckc8ccab72013-03-16 10:25:04 -0700[diff] [blame]76in1_lcrit_alarm Input voltage critical low alarm (LM25063 only).
77in1_crit_alarm Input voltage critical high alarm. (LM25063 only).
Guenter Roeck03e9bd82011-07-08 10:43:57 -0700[diff] [blame]78
Guenter Roecka7c69112013-02-06 09:55:37 -0800[diff] [blame]79in2_label "vmon"
80in2_input Measured voltage on VAUX pin
Guenter Roeck58615a92013-02-09 15:15:52 -0800[diff] [blame]81in2_min Minimum VAUX voltage (LM25056 only).
82in2_max Maximum VAUX voltage (LM25056 only).
83in2_min_alarm VAUX voltage low alarm (LM25056 only).
84in2_max_alarm VAUX voltage high alarm (LM25056 only).
Guenter Roeck03e9bd82011-07-08 10:43:57 -0700[diff] [blame]85
Guenter Roecka7c69112013-02-06 09:55:37 -0800[diff] [blame]86in3_label "vout1"
Guenter Roeck58615a92013-02-09 15:15:52 -0800[diff] [blame]87 Not supported on LM25056.
Guenter Roecka7c69112013-02-06 09:55:37 -0800[diff] [blame]88in3_input Measured output voltage.
89in3_average Average measured output voltage.
90in3_min Minimum output voltage.
91in3_min_alarm Output voltage low alarm.
Guenter Roeckc8ccab72013-03-16 10:25:04 -0700[diff] [blame]92in3_highest Historical minimum output voltage (LM25063 only).
93in3_lowest Historical maximum output voltage (LM25063 only).
Guenter Roeck03e9bd82011-07-08 10:43:57 -0700[diff] [blame]94
95curr1_label "iin"
96curr1_input Measured input current.
97curr1_average Average measured input current.
98curr1_max Maximum input current.
Guenter Roeckc8ccab72013-03-16 10:25:04 -0700[diff] [blame]99curr1_crit Critical input current (LM25063 only).
Guenter Roeck03e9bd82011-07-08 10:43:57 -0700[diff] [blame]100curr1_max_alarm Input current high alarm.
Guenter Roeckc8ccab72013-03-16 10:25:04 -0700[diff] [blame]101curr1_crit_alarm Input current critical high alarm (LM25063 only).
Guenter Roeck03e9bd82011-07-08 10:43:57 -0700[diff] [blame]102
103power1_label "pin"
104power1_input Measured input power.
105power1_average Average measured input power.
106power1_max Maximum input power limit.
107power1_alarm Input power alarm
108power1_input_highest Historical maximum power.
109power1_reset_history Write any value to reset maximum power history.
110
Guenter Roeckc8ccab72013-03-16 10:25:04 -0700[diff] [blame]111power2_label "pout". LM25063 only.
112power2_input Measured output power.
113power2_max Maximum output power limit.
114power2_crit Critical output power limit.
115
Guenter Roeck03e9bd82011-07-08 10:43:57 -0700[diff] [blame]116temp1_input Measured temperature.
117temp1_max Maximum temperature.
118temp1_crit Critical high temperature.
119temp1_max_alarm Chip temperature high alarm.
120temp1_crit_alarm Chip temperature critical high alarm.