1 .. SPDX-License-Identifier: GPL-2.0 1 .. SPDX-License-Identifier: GPL-2.0
2 2
3 Kernel driver pim4328 3 Kernel driver pim4328
4 ===================== 4 =====================
5 5
6 Supported chips: 6 Supported chips:
7 7
8 * Flex PIM4328 8 * Flex PIM4328
9 9
10 Prefix: 'pim4328', 'bmr455' 10 Prefix: 'pim4328', 'bmr455'
11 11
12 Addresses scanned: - 12 Addresses scanned: -
13 13
14 Datasheet: 14 Datasheet:
15 15
16 https://flexpowermodules.com/resources/fpm-tec 16 https://flexpowermodules.com/resources/fpm-techspec-pim4328
17 17
18 * Flex PIM4820 18 * Flex PIM4820
19 19
20 Prefixes: 'pim4820' 20 Prefixes: 'pim4820'
21 21
22 Addresses scanned: - 22 Addresses scanned: -
23 23
24 Datasheet: https://flexpowermodules.com/re 24 Datasheet: https://flexpowermodules.com/resources/fpm-techspec-pim4820
25 25
26 * Flex PIM4006, PIM4106, PIM4206, PIM4306, P 26 * Flex PIM4006, PIM4106, PIM4206, PIM4306, PIM4406
27 27
28 Prefixes: 'pim4006', 'pim4106', 'pim4206', 28 Prefixes: 'pim4006', 'pim4106', 'pim4206', 'pim4306', 'pim4406'
29 29
30 Addresses scanned: - 30 Addresses scanned: -
31 31
32 Datasheet: https://flexpowermodules.com/re 32 Datasheet: https://flexpowermodules.com/resources/fpm-techspec-pim4006
33 33
34 Author: Erik Rosen <erik.rosen@metormote.com> 34 Author: Erik Rosen <erik.rosen@metormote.com>
35 35
36 36
37 Description 37 Description
38 ----------- 38 -----------
39 39
40 This driver supports hardware monitoring for F 40 This driver supports hardware monitoring for Flex PIM4328 and
41 compatible digital power interface modules. 41 compatible digital power interface modules.
42 42
43 The driver is a client driver to the core PMBu 43 The driver is a client driver to the core PMBus driver. Please see
44 Documentation/hwmon/pmbus.rst and Documentatio 44 Documentation/hwmon/pmbus.rst and Documentation.hwmon/pmbus-core for details
45 on PMBus client drivers. 45 on PMBus client drivers.
46 46
47 47
48 Usage Notes 48 Usage Notes
49 ----------- 49 -----------
50 50
51 This driver does not auto-detect devices. You 51 This driver does not auto-detect devices. You will have to instantiate the
52 devices explicitly. Please see Documentation/i 52 devices explicitly. Please see Documentation/i2c/instantiating-devices.rst for
53 details. 53 details.
54 54
55 55
56 Platform data support 56 Platform data support
57 --------------------- 57 ---------------------
58 58
59 The driver supports standard PMBus driver plat 59 The driver supports standard PMBus driver platform data.
60 60
61 61
62 Sysfs entries 62 Sysfs entries
63 ------------- 63 -------------
64 64
65 The following attributes are supported. All at 65 The following attributes are supported. All attributes are read-only.
66 66
67 ======================= ====================== 67 ======================= ========================================================
68 in1_label "vin" 68 in1_label "vin"
69 in1_input Measured input voltage 69 in1_input Measured input voltage.
70 in1_alarm Input voltage alarm. 70 in1_alarm Input voltage alarm.
71 71
72 in2_label "vin.0" 72 in2_label "vin.0"
73 in2_input Measured input voltage 73 in2_input Measured input voltage on input A.
74 74
75 PIM4328 and PIM4X06 75 PIM4328 and PIM4X06
76 76
77 in3_label "vin.1" 77 in3_label "vin.1"
78 in3_input Measured input voltage 78 in3_input Measured input voltage on input B.
79 79
80 PIM4328 and PIM4X06 80 PIM4328 and PIM4X06
81 81
82 in4_label "vcap" 82 in4_label "vcap"
83 in4_input Measured voltage on ho 83 in4_input Measured voltage on holdup capacitor.
84 84
85 PIM4328 85 PIM4328
86 86
87 curr1_label "iin.0" 87 curr1_label "iin.0"
88 curr1_input Measured input current 88 curr1_input Measured input current on input A.
89 89
90 PIM4X06 90 PIM4X06
91 91
92 curr2_label "iin.1" 92 curr2_label "iin.1"
93 curr2_input Measured input current 93 curr2_input Measured input current on input B.
94 94
95 PIM4X06 95 PIM4X06
96 96
97 currX_label "iout1" 97 currX_label "iout1"
98 currX_input Measured output curren 98 currX_input Measured output current.
99 currX_alarm Output current alarm. 99 currX_alarm Output current alarm.
100 100
101 X is 1 for PIM4820, 3 101 X is 1 for PIM4820, 3 otherwise.
102 102
103 temp1_input Measured temperature. 103 temp1_input Measured temperature.
104 temp1_alarm High temperature alarm 104 temp1_alarm High temperature alarm.
105 ======================= ====================== 105 ======================= ========================================================
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