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[linux-2.6.git] / Documentation / hwmon / lm25066
1 Kernel driver max8688
2 =====================
3
4 Supported chips:
5   * National Semiconductor LM25066
6     Prefix: 'lm25066'
7     Addresses scanned: -
8     Datasheets:
9         http://www.national.com/pf/LM/LM25066.html
10         http://www.national.com/pf/LM/LM25066A.html
11   * National Semiconductor LM5064
12     Prefix: 'lm5064'
13     Addresses scanned: -
14     Datasheet:
15         http://www.national.com/pf/LM/LM5064.html
16   * National Semiconductor LM5066
17     Prefix: 'lm5066'
18     Addresses scanned: -
19     Datasheet:
20         http://www.national.com/pf/LM/LM5066.html
21
22 Author: Guenter Roeck <guenter.roeck@ericsson.com>
23
24
25 Description
26 -----------
27
28 This driver supports hardware montoring for National Semiconductor LM25066,
29 LM5064, and LM5064 Power Management, Monitoring, Control, and Protection ICs.
30
31 The driver is a client driver to the core PMBus driver. Please see
32 Documentation/hwmon/pmbus for details on PMBus client drivers.
33
34
35 Usage Notes
36 -----------
37
38 This driver does not auto-detect devices. You will have to instantiate the
39 devices explicitly. Please see Documentation/i2c/instantiating-devices for
40 details.
41
42
43 Platform data support
44 ---------------------
45
46 The driver supports standard PMBus driver platform data.
47
48
49 Sysfs entries
50 -------------
51
52 The following attributes are supported. Limits are read-write; all other
53 attributes are read-only.
54
55 in1_label               "vin"
56 in1_input               Measured input voltage.
57 in1_average             Average measured input voltage.
58 in1_min                 Minimum input voltage.
59 in1_max                 Maximum input voltage.
60 in1_min_alarm           Input voltage low alarm.
61 in1_max_alarm           Input voltage high alarm.
62
63 in2_label               "vout1"
64 in2_input               Measured output voltage.
65 in2_average             Average measured output voltage.
66 in2_min                 Minimum output voltage.
67 in2_min_alarm           Output voltage low alarm.
68
69 in3_label               "vout2"
70 in3_input               Measured voltage on vaux pin
71
72 curr1_label             "iin"
73 curr1_input             Measured input current.
74 curr1_average           Average measured input current.
75 curr1_max               Maximum input current.
76 curr1_max_alarm         Input current high alarm.
77
78 power1_label            "pin"
79 power1_input            Measured input power.
80 power1_average          Average measured input power.
81 power1_max              Maximum input power limit.
82 power1_alarm            Input power alarm
83 power1_input_highest    Historical maximum power.
84 power1_reset_history    Write any value to reset maximum power history.
85
86 temp1_input             Measured temperature.
87 temp1_max               Maximum temperature.
88 temp1_crit              Critical high temperature.
89 temp1_max_alarm         Chip temperature high alarm.
90 temp1_crit_alarm        Chip temperature critical high alarm.