1 Kernel driver bel-pfe 1 Kernel driver bel-pfe
2 ====================== 2 ======================
3 3
4 Supported chips: 4 Supported chips:
5 5
6 * BEL PFE1100 6 * BEL PFE1100
7 7
8 Prefixes: 'pfe1100' 8 Prefixes: 'pfe1100'
9 9
10 Addresses scanned: - 10 Addresses scanned: -
11 11
12 Datasheet: https://www.belfuse.com/resourc 12 Datasheet: https://www.belfuse.com/resources/datasheets/powersolutions/ds-bps-pfe1100-12-054xa.pdf
13 13
14 * BEL PFE3000 14 * BEL PFE3000
15 15
16 Prefixes: 'pfe3000' 16 Prefixes: 'pfe3000'
17 17
18 Addresses scanned: - 18 Addresses scanned: -
19 19
20 Datasheet: https://www.belfuse.com/resourc 20 Datasheet: https://www.belfuse.com/resources/datasheets/powersolutions/ds-bps-pfe3000-series.pdf
21 21
22 Author: Tao Ren <rentao.bupt@gmail.com> 22 Author: Tao Ren <rentao.bupt@gmail.com>
23 23
24 24
25 Description 25 Description
26 ----------- 26 -----------
27 27
28 This driver supports hardware monitoring for b 28 This driver supports hardware monitoring for below power supply devices
29 which support PMBus Protocol: 29 which support PMBus Protocol:
30 30
31 * BEL PFE1100 31 * BEL PFE1100
32 32
33 1100 Watt AC to DC power-factor-corrected 33 1100 Watt AC to DC power-factor-corrected (PFC) power supply.
34 PMBus Communication Manual is not publicly 34 PMBus Communication Manual is not publicly available.
35 35
36 * BEL PFE3000 36 * BEL PFE3000
37 37
38 3000 Watt AC/DC power-factor-corrected (PF 38 3000 Watt AC/DC power-factor-corrected (PFC) and DC-DC power supply.
39 PMBus Communication Manual is not publicly 39 PMBus Communication Manual is not publicly available.
40 40
41 The driver is a client driver to the core PMBu 41 The driver is a client driver to the core PMBus driver. Please see
42 Documentation/hwmon/pmbus.rst for details on P 42 Documentation/hwmon/pmbus.rst for details on PMBus client drivers.
43 43
44 44
45 Usage Notes 45 Usage Notes
46 ----------- 46 -----------
47 47
48 This driver does not auto-detect devices. You 48 This driver does not auto-detect devices. You will have to instantiate the
49 devices explicitly. Please see Documentation/i 49 devices explicitly. Please see Documentation/i2c/instantiating-devices.rst for
50 details. 50 details.
51 51
52 Example: the following will load the driver fo 52 Example: the following will load the driver for an PFE3000 at address 0x20
53 on I2C bus #1:: 53 on I2C bus #1::
54 54
55 $ modprobe bel-pfe 55 $ modprobe bel-pfe
56 $ echo pfe3000 0x20 > /sys/bus/i2c/dev 56 $ echo pfe3000 0x20 > /sys/bus/i2c/devices/i2c-1/new_device
57 57
58 58
59 Platform data support 59 Platform data support
60 --------------------- 60 ---------------------
61 61
62 The driver supports standard PMBus driver plat 62 The driver supports standard PMBus driver platform data.
63 63
64 64
65 Sysfs entries 65 Sysfs entries
66 ------------- 66 -------------
67 67
68 ======================= ====================== 68 ======================= =======================================================
69 curr1_label "iin" 69 curr1_label "iin"
70 curr1_input Measured input current 70 curr1_input Measured input current
71 curr1_max Input current max valu 71 curr1_max Input current max value
72 curr1_max_alarm Input current max alar 72 curr1_max_alarm Input current max alarm
73 73
74 curr[2-3]_label "iout[1-2]" 74 curr[2-3]_label "iout[1-2]"
75 curr[2-3]_input Measured output curren 75 curr[2-3]_input Measured output current
76 curr[2-3]_max Output current max val 76 curr[2-3]_max Output current max value
77 curr[2-3]_max_alarm Output current max ala 77 curr[2-3]_max_alarm Output current max alarm
78 78
79 fan[1-2]_input Fan 1 and 2 speed in R 79 fan[1-2]_input Fan 1 and 2 speed in RPM
80 fan1_target Set fan speed referenc 80 fan1_target Set fan speed reference for both fans
81 81
82 in1_label "vin" 82 in1_label "vin"
83 in1_input Measured input voltage 83 in1_input Measured input voltage
84 in1_crit Input voltage critical 84 in1_crit Input voltage critical max value
85 in1_crit_alarm Input voltage critical 85 in1_crit_alarm Input voltage critical max alarm
86 in1_lcrit Input voltage critical 86 in1_lcrit Input voltage critical min value
87 in1_lcrit_alarm Input voltage critical 87 in1_lcrit_alarm Input voltage critical min alarm
88 in1_max Input voltage max valu 88 in1_max Input voltage max value
89 in1_max_alarm Input voltage max alar 89 in1_max_alarm Input voltage max alarm
90 90
91 in2_label "vcap" 91 in2_label "vcap"
92 in2_input Hold up capacitor volt 92 in2_input Hold up capacitor voltage
93 93
94 in[3-8]_label "vout[1-3,5-7]" 94 in[3-8]_label "vout[1-3,5-7]"
95 in[3-8]_input Measured output voltag 95 in[3-8]_input Measured output voltage
96 in[3-4]_alarm vout[1-2] output volta 96 in[3-4]_alarm vout[1-2] output voltage alarm
97 97
98 power[1-2]_label "pin[1-2]" 98 power[1-2]_label "pin[1-2]"
99 power[1-2]_input Measured input power 99 power[1-2]_input Measured input power
100 power[1-2]_alarm Input power high alarm 100 power[1-2]_alarm Input power high alarm
101 101
102 power[3-4]_label "pout[1-2]" 102 power[3-4]_label "pout[1-2]"
103 power[3-4]_input Measured output power 103 power[3-4]_input Measured output power
104 104
105 temp[1-3]_input Measured temperature 105 temp[1-3]_input Measured temperature
106 temp[1-3]_alarm Temperature alarm 106 temp[1-3]_alarm Temperature alarm
107 ======================= ====================== 107 ======================= =======================================================
108 108
109 .. note:: 109 .. note::
110 110
111 - curr3, fan2, vout[2-7], vcap, pin2, pout 111 - curr3, fan2, vout[2-7], vcap, pin2, pout2 and temp3 attributes only
112 exist for PFE3000. 112 exist for PFE3000.
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