1 .. SPDX-License-Identifier: GPL-2.0
2
3 Kernel driver mp2888
4 ====================
5
6 Supported chips:
7
8 * MPS MP12254
9
10 Prefix: 'mp2888'
11
12 Author:
13
14 Vadim Pasternak <vadimp@nvidia.com>
15
16 Description
17 -----------
18
19 This driver implements support for Monolithic
20 vendor dual-loop, digital, multi-phase control
21
22 This device: supports:
23
24 - One power rail.
25 - Programmable Multi-Phase up to 10 Phases.
26 - PWM-VID Interface
27 - One pages 0 for telemetry.
28 - Programmable pins for PMBus Address.
29 - Built-In EEPROM to Store Custom Configuratio
30
31 Device complaint with:
32
33 - PMBus rev 1.3 interface.
34
35 Device supports direct format for reading outp
36 input and output power and temperature.
37 Device supports linear format for reading inpu
38
39 The driver provides the next attributes for th
40
41 - for current out input and maximum alarm;
42 - for phase current: input and label.
43
44 The driver exports the following attributes vi
45
46 - 'n' is number of configured phases (from 1 t
47 - index 1 for "iout";
48 - indexes 2 ... 1 + n for phases.
49
50 **curr[1-{1+n}]_input**
51
52 **curr[1-{1+n}]_label**
53
54 **curr1_max**
55
56 **curr1_max_alarm**
57
58 The driver provides the next attributes for th
59
60 - for voltage in: input, low and high critical
61 critical alarms;
62 - for voltage out: input and high alarm;
63
64 The driver exports the following attributes vi
65
66 **in1_crit**
67
68 **in1_crit_alarm**
69
70 **in1_input**
71
72 **in1_label**
73
74 **in1_min**
75
76 **in1_min_alarm**
77
78 **in2_alarm**
79
80 **in2_input**
81
82 **in2_label**
83
84 The driver provides the next attributes for th
85
86 - for power in alarm and input.
87 - for power out: cap, cap alarm an input.
88
89 The driver exports the following attributes vi
90 - indexes 1 for "pin";
91 - indexes 2 for "pout";
92
93 **power1_alarm**
94
95 **power1_input**
96
97 **power1_label**
98
99 **power2_input**
100
101 **power2_label**
102
103 **power2_max**
104
105 **power2_max_alarm**
106
107 The driver provides the next attributes for th
108
109 **temp1_input**
110
111 **temp1_max**
112
113 **temp1_max_alarm**
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