1 .. SPDX-License-Identifier: GPL-2.0 1 .. SPDX-License-Identifier: GPL-2.0
2 2
3 Kernel driver mp9941 3 Kernel driver mp9941
4 ==================== 4 ====================
5 5
6 Supported chips: 6 Supported chips:
7 7
8 * MPS mp9941 8 * MPS mp9941
9 9
10 Prefix: 'mp9941' 10 Prefix: 'mp9941'
11 11
12 * Datasheet 12 * Datasheet
13 https://scnbwymvp-my.sharepoint.com/:f:/g/ 13 https://scnbwymvp-my.sharepoint.com/:f:/g/personal/admin_scnbwy_com/Eth4kX1_J1hMsaASHiOYL4QBHU5a75r-tRfLKbHnJFdKLQ?e=vxj3DF
14 14
15 Author: 15 Author:
16 16
17 Noah Wang <noahwang.wang@outlook.com> 17 Noah Wang <noahwang.wang@outlook.com>
18 18
19 Description 19 Description
20 ----------- 20 -----------
21 21
22 This driver implements support for Monolithic 22 This driver implements support for Monolithic Power Systems, Inc. (MPS)
23 MP9941 digital step-down converter. 23 MP9941 digital step-down converter.
24 24
25 Device compliant with: 25 Device compliant with:
26 26
27 - PMBus rev 1.3 interface. 27 - PMBus rev 1.3 interface.
28 28
29 The driver exports the following attributes vi 29 The driver exports the following attributes via the 'sysfs' files
30 for input voltage: 30 for input voltage:
31 31
32 **in1_input** 32 **in1_input**
33 33
34 **in1_label** 34 **in1_label**
35 35
36 **in1_crit** 36 **in1_crit**
37 37
38 **in1_crit_alarm** 38 **in1_crit_alarm**
39 39
40 The driver provides the following attributes f 40 The driver provides the following attributes for output voltage:
41 41
42 **in2_input** 42 **in2_input**
43 43
44 **in2_label** 44 **in2_label**
45 45
46 **in2_lcrit** 46 **in2_lcrit**
47 47
48 **in2_lcrit_alarm** 48 **in2_lcrit_alarm**
49 49
50 **in2_rated_max** 50 **in2_rated_max**
51 51
52 **in2_rated_min** 52 **in2_rated_min**
53 53
54 The driver provides the following attributes f 54 The driver provides the following attributes for input current:
55 55
56 **curr1_input** 56 **curr1_input**
57 57
58 **curr1_label** 58 **curr1_label**
59 59
60 **curr1_max** 60 **curr1_max**
61 61
62 **curr1_max_alarm** 62 **curr1_max_alarm**
63 63
64 The driver provides the following attributes f 64 The driver provides the following attributes for output current:
65 65
66 **curr2_input** 66 **curr2_input**
67 67
68 **curr2_label** 68 **curr2_label**
69 69
70 The driver provides the following attributes f 70 The driver provides the following attributes for input power:
71 71
72 **power1_input** 72 **power1_input**
73 73
74 **power1_label** 74 **power1_label**
75 75
76 The driver provides the following attributes f 76 The driver provides the following attributes for output power:
77 77
78 **power2_input** 78 **power2_input**
79 79
80 **power2_label** 80 **power2_label**
81 81
82 The driver provides the following attributes f 82 The driver provides the following attributes for temperature:
83 83
84 **temp1_input** 84 **temp1_input**
85 85
86 **temp1_crit** 86 **temp1_crit**
87 87
88 **temp1_crit_alarm** 88 **temp1_crit_alarm**
89 89
90 **temp1_max** 90 **temp1_max**
91 91
92 **temp1_max_alarm** 92 **temp1_max_alarm**
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