Documentation/hwmon/mp2891.rst

   1 .. SPDX-License-Identifier: GPL-2.0
   2
   3 Kernel driver mp2891
   4 ====================
   5
   6 Supported chips:
   7
   8   * MPS mp2891
   9
  10     Prefix: 'mp2891'
  11
  12   * Datasheet
  13
  14     Publicly available at the MPS website : https://www.monolithicpower.com/en/mp2891.html
  15
  16 Author:
  17
  18         Noah Wang <noahwang.wang@outlook.com>
  19
  20 Description
  21 -----------
  22
  23 This driver implements support for Monolithic Power Systems, Inc. (MPS)
  24 MP2891 Multi-phase Digital VR Controller.
  25
  26 Device compliant with:
  27
  28 - PMBus rev 1.3 interface.
  29
  30 Device supports direct and linear format for reading input voltage,
  31 output voltage, input current, output current, input power, output
  32 power, and temperature.
  33
  34 The driver exports the following attributes via the 'sysfs' files
  35 for input voltage:
  36
  37 **in1_input**
  38
  39 **in1_label**
  40
  41 **in1_crit**
  42
  43 **in1_crit_alarm**
  44
  45 **in1_lcrit**
  46
  47 **in1_lcrit_alarm**
  48
  49 **in1_min**
  50
  51 **in1_min_alarm**
  52
  53 The driver provides the following attributes for output voltage:
  54
  55 **in2_input**
  56
  57 **in2_label**
  58
  59 **in2_crit**
  60
  61 **in2_crit_alarm**
  62
  63 **in2_lcrit**
  64
  65 **in2_lcrit_alarm**
  66
  67 **in2_min**
  68
  69 **in2_min_alarm**
  70
  71 **in3_input**
  72
  73 **in3_label**
  74
  75 **in3_crit**
  76
  77 **in3_crit_alarm**
  78
  79 **in3_lcrit**
  80
  81 **in3_lcrit_alarm**
  82
  83 **in3_min**
  84
  85 **in3_min_alarm**
  86
  87 The driver provides the following attributes for input current:
  88
  89 **curr1_input**
  90
  91 **curr1_label**
  92
  93 **curr1_max**
  94
  95 **curr1_max_alarm**
  96
  97 **curr2_input**
  98
  99 **curr2_label**
 100
 101 **curr2_max**
 102
 103 **curr2_max_alarm**
 104
 105 The driver provides the following attributes for output current:
 106
 107 **curr3_input**
 108
 109 **curr3_label**
 110
 111 **curr3_crit**
 112
 113 **curr3_crit_alarm**
 114
 115 **curr3_max**
 116
 117 **curr3_max_alarm**
 118
 119 **curr4_input**
 120
 121 **curr4_label**
 122
 123 **curr4_crit**
 124
 125 **curr4_crit_alarm**
 126
 127 **curr4_max**
 128
 129 **curr4_max_alarm**
 130
 131 The driver provides the following attributes for input power:
 132
 133 **power1_input**
 134
 135 **power1_label**
 136
 137 **power1_max**
 138
 139 **power1_alarm**
 140
 141 **power2_input**
 142
 143 **power2_label**
 144
 145 **power2_max**
 146
 147 **power2_alarm**
 148
 149 The driver provides the following attributes for output power:
 150
 151 **power3_input**
 152
 153 **power3_label**
 154
 155 **power4_input**
 156
 157 **power4_label**
 158
 159 The driver provides the following attributes for temperature:
 160
 161 **temp1_input**
 162
 163 **temp1_crit**
 164
 165 **temp1_crit_alarm**
 166
 167 **temp1_max**
 168
 169 **temp1_max_alarm**
 170
 171 **temp2_input**
 172
 173 **temp2_crit**
 174
 175 **temp2_crit_alarm**
 176
 177 **temp2_max**
 178
 179 **temp2_max_alarm**