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**
Linux® is a registered trademark of Linus Torvalds in the United States and other countries.
TOMOYO® is a registered trademark of NTT DATA CORPORATION.