1.. SPDX-License-Identifier: GPL-2.0 2 3Kernel driver mp5990 4==================== 5 6Supported chips: 7 8 * MPS MP5990 9 10 Prefix: 'mp5990' 11 12 * Datasheet 13 14 Publicly available at the MPS website : https://www.monolithicpower.com/en/mp5990.html 15 16Author: 17 18 Peter Yin <peteryin.openbmc@gmail.com> 19 20Description 21----------- 22 23This driver implements support for Monolithic Power Systems, Inc. (MPS) 24MP5990 Hot-Swap Controller. 25 26Device compliant with: 27 28- PMBus rev 1.3 interface. 29 30Device supports direct and linear format for reading input voltage, 31output voltage, output current, input power and temperature. 32 33The driver exports the following attributes via the 'sysfs' files 34for 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 48The driver provides the following attributes for output voltage: 49 50**in2_input** 51 52**in2_label** 53 54**in2_alarm** 55 56The 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 66The driver provides the following attributes for input power: 67 68**power1_input** 69 70**power1_label** 71 72**power1_alarm** 73 74The 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** 85