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58615a94 | 1 | Kernel driver lm25066 |
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2 | ===================== |
3 | ||
4 | Supported chips: | |
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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 | |
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11 | * TI LM25063 |
12 | Prefix: 'lm25063' | |
13 | Addresses scanned: - | |
14 | Datasheet: | |
15 | To be announced | |
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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 | |
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32 | * Texas Instruments LM5066I |
33 | Prefix: 'lm5066i' | |
34 | Addresses scanned: - | |
35 | Datasheet: | |
36 | http://www.ti.com/product/LM5066I | |
03e9bd8d | 37 | |
e3333e57 | 38 | Author: Guenter Roeck <linux@roeck-us.net> |
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39 | |
40 | ||
41 | Description | |
42 | ----------- | |
43 | ||
92417dad | 44 | This driver supports hardware monitoring for National Semiconductor / TI LM25056, |
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45 | LM25063, LM25066, LM5064, and LM5066/LM5066I Power Management, Monitoring, |
46 | Control, and Protection ICs. | |
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47 | |
48 | The driver is a client driver to the core PMBus driver. Please see | |
49 | Documentation/hwmon/pmbus for details on PMBus client drivers. | |
50 | ||
51 | ||
52 | Usage Notes | |
53 | ----------- | |
54 | ||
55 | This driver does not auto-detect devices. You will have to instantiate the | |
56 | devices explicitly. Please see Documentation/i2c/instantiating-devices for | |
57 | details. | |
58 | ||
59 | ||
60 | Platform data support | |
61 | --------------------- | |
62 | ||
63 | The driver supports standard PMBus driver platform data. | |
64 | ||
65 | ||
66 | Sysfs entries | |
67 | ------------- | |
68 | ||
69 | The following attributes are supported. Limits are read-write; all other | |
70 | attributes are read-only. | |
71 | ||
72 | in1_label "vin" | |
73 | in1_input Measured input voltage. | |
74 | in1_average Average measured input voltage. | |
75 | in1_min Minimum input voltage. | |
76 | in1_max Maximum input voltage. | |
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77 | in1_crit Critical high input voltage (LM25063 only). |
78 | in1_lcrit Critical low input voltage (LM25063 only). | |
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79 | in1_min_alarm Input voltage low alarm. |
80 | in1_max_alarm Input voltage high alarm. | |
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81 | in1_lcrit_alarm Input voltage critical low alarm (LM25063 only). |
82 | in1_crit_alarm Input voltage critical high alarm. (LM25063 only). | |
03e9bd8d | 83 | |
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84 | in2_label "vmon" |
85 | in2_input Measured voltage on VAUX pin | |
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86 | in2_min Minimum VAUX voltage (LM25056 only). |
87 | in2_max Maximum VAUX voltage (LM25056 only). | |
88 | in2_min_alarm VAUX voltage low alarm (LM25056 only). | |
89 | in2_max_alarm VAUX voltage high alarm (LM25056 only). | |
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90 | |
91 | in3_label "vout1" | |
58615a94 | 92 | Not supported on LM25056. |
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93 | in3_input Measured output voltage. |
94 | in3_average Average measured output voltage. | |
95 | in3_min Minimum output voltage. | |
96 | in3_min_alarm Output voltage low alarm. | |
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97 | in3_highest Historical minimum output voltage (LM25063 only). |
98 | in3_lowest Historical maximum output voltage (LM25063 only). | |
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99 | |
100 | curr1_label "iin" | |
101 | curr1_input Measured input current. | |
102 | curr1_average Average measured input current. | |
103 | curr1_max Maximum input current. | |
c8ccab7a | 104 | curr1_crit Critical input current (LM25063 only). |
03e9bd8d | 105 | curr1_max_alarm Input current high alarm. |
c8ccab7a | 106 | curr1_crit_alarm Input current critical high alarm (LM25063 only). |
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107 | |
108 | power1_label "pin" | |
109 | power1_input Measured input power. | |
110 | power1_average Average measured input power. | |
111 | power1_max Maximum input power limit. | |
112 | power1_alarm Input power alarm | |
113 | power1_input_highest Historical maximum power. | |
114 | power1_reset_history Write any value to reset maximum power history. | |
115 | ||
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116 | power2_label "pout". LM25063 only. |
117 | power2_input Measured output power. | |
118 | power2_max Maximum output power limit. | |
119 | power2_crit Critical output power limit. | |
120 | ||
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121 | temp1_input Measured temperature. |
122 | temp1_max Maximum temperature. | |
123 | temp1_crit Critical high temperature. | |
124 | temp1_max_alarm Chip temperature high alarm. | |
125 | temp1_crit_alarm Chip temperature critical high alarm. |