1 Kernel driver bel-pfe
2 ======================
3
4 Supported chips:
5
6 * BEL PFE1100
7
8 Prefixes: 'pfe1100'
9
10 Addresses scanned: -
11
12 Datasheet: https://www.belfuse.com/resourc
13
14 * BEL PFE3000
15
16 Prefixes: 'pfe3000'
17
18 Addresses scanned: -
19
20 Datasheet: https://www.belfuse.com/resourc
21
22 Author: Tao Ren <rentao.bupt@gmail.com>
23
24
25 Description
26 -----------
27
28 This driver supports hardware monitoring for b
29 which support PMBus Protocol:
30
31 * BEL PFE1100
32
33 1100 Watt AC to DC power-factor-corrected
34 PMBus Communication Manual is not publicly
35
36 * BEL PFE3000
37
38 3000 Watt AC/DC power-factor-corrected (PF
39 PMBus Communication Manual is not publicly
40
41 The driver is a client driver to the core PMBu
42 Documentation/hwmon/pmbus.rst for details on P
43
44
45 Usage Notes
46 -----------
47
48 This driver does not auto-detect devices. You
49 devices explicitly. Please see Documentation/i
50 details.
51
52 Example: the following will load the driver fo
53 on I2C bus #1::
54
55 $ modprobe bel-pfe
56 $ echo pfe3000 0x20 > /sys/bus/i2c/dev
57
58
59 Platform data support
60 ---------------------
61
62 The driver supports standard PMBus driver plat
63
64
65 Sysfs entries
66 -------------
67
68 ======================= ======================
69 curr1_label "iin"
70 curr1_input Measured input current
71 curr1_max Input current max valu
72 curr1_max_alarm Input current max alar
73
74 curr[2-3]_label "iout[1-2]"
75 curr[2-3]_input Measured output curren
76 curr[2-3]_max Output current max val
77 curr[2-3]_max_alarm Output current max ala
78
79 fan[1-2]_input Fan 1 and 2 speed in R
80 fan1_target Set fan speed referenc
81
82 in1_label "vin"
83 in1_input Measured input voltage
84 in1_crit Input voltage critical
85 in1_crit_alarm Input voltage critical
86 in1_lcrit Input voltage critical
87 in1_lcrit_alarm Input voltage critical
88 in1_max Input voltage max valu
89 in1_max_alarm Input voltage max alar
90
91 in2_label "vcap"
92 in2_input Hold up capacitor volt
93
94 in[3-8]_label "vout[1-3,5-7]"
95 in[3-8]_input Measured output voltag
96 in[3-4]_alarm vout[1-2] output volta
97
98 power[1-2]_label "pin[1-2]"
99 power[1-2]_input Measured input power
100 power[1-2]_alarm Input power high alarm
101
102 power[3-4]_label "pout[1-2]"
103 power[3-4]_input Measured output power
104
105 temp[1-3]_input Measured temperature
106 temp[1-3]_alarm Temperature alarm
107 ======================= ======================
108
109 .. note::
110
111 - curr3, fan2, vout[2-7], vcap, pin2, pout
112 exist for PFE3000.
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