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1 | .. SPDX-License-Identifier: GPL-2.0 |
2 | ||
3 | Kernel driver mp5023 | |
4 | ==================== | |
5 | ||
6 | Supported chips: | |
7 | ||
8 | * MPS MP5023 | |
9 | ||
10 | Prefix: 'mp5023' | |
11 | ||
12 | * Datasheet | |
13 | ||
14 | Publicly available at the MPS website : https://www.monolithicpower.com/en/mp5023.html | |
15 | ||
16 | Author: | |
17 | ||
18 | Howard Chiu <howard.chiu@quantatw.com> | |
19 | ||
20 | Description | |
21 | ----------- | |
22 | ||
23 | This driver implements support for Monolithic Power Systems, Inc. (MPS) | |
24 | MP5023 Hot-Swap Controller. | |
25 | ||
26 | Device complaint with: | |
27 | ||
28 | - PMBus rev 1.3 interface. | |
29 | ||
30 | Device supports direct format for reading input voltage, output voltage, | |
31 | output current, input power and temperature. | |
32 | ||
33 | The driver exports the following attributes via the 'sysfs' files | |
34 | for input voltage: | |
35 | ||
36 | **in1_input** | |
37 | ||
38 | **in1_label** | |
39 | ||
40 | **in1_max** | |
41 | ||
42 | **in1_max_alarm** | |
43 | ||
44 | **in1_min** | |
45 | ||
46 | **in1_min_alarm** | |
47 | ||
48 | The driver provides the following attributes for output voltage: | |
49 | ||
50 | **in2_input** | |
51 | ||
52 | **in2_label** | |
53 | ||
54 | **in2_alarm** | |
55 | ||
56 | The driver provides the following attributes for output current: | |
57 | ||
58 | **curr1_input** | |
59 | ||
60 | **curr1_label** | |
61 | ||
62 | **curr1_alarm** | |
63 | ||
64 | **curr1_max** | |
65 | ||
66 | The driver provides the following attributes for input power: | |
67 | ||
68 | **power1_input** | |
69 | ||
70 | **power1_label** | |
71 | ||
72 | **power1_alarm** | |
73 | ||
74 | The driver provides the following attributes for temperature: | |
75 | ||
76 | **temp1_input** | |
77 | ||
78 | **temp1_max** | |
79 | ||
80 | **temp1_max_alarm** | |
81 | ||
82 | **temp1_crit** | |
83 | ||
84 | **temp1_crit_alarm** |