1 .. SPDX-License-Identifier: GPL-2.0 2 3 Kernel driver mp2856 4 ==================== 5 6 Supported chips: 7 8 * MPS MP2856 9 10 Prefix: 'mp2856' 11 12 * MPS MP2857 13 14 Prefix: 'mp2857' 15 16 Author: 17 18 Peter Yin <peter.yin@quantatw.com> 19 20 Description 21 ----------- 22 23 This driver implements support for Monolithic 24 vendor dual-loop, digital, multi-phase control 25 26 This device: 27 28 - Supports up to two power rail. 29 - Supports two pages 0 and 1 for and also page 30 - Can configured VOUT readout in direct or VID 31 setting of different formats on rails 1 and 32 protocols are available: AMD SVI3 mode with 33 34 Device supports: 35 36 - SVID interface. 37 - AVSBus interface. 38 39 Device compliant with: 40 41 - PMBus rev 1.3 interface. 42 43 Device supports direct format for reading outp 44 input and output power and temperature. 45 Device supports linear format for reading inpu 46 Device supports VID and direct formats for rea 47 The below VID modes are supported: AMD SVI3. 48 49 The driver provides the following sysfs attrib 50 51 - indexes 1 for "iin"; 52 - indexes 2, 3 for "iout"; 53 54 **curr[1-3]_alarm** 55 56 **curr[1-3]_input** 57 58 **curr[1-3]_label** 59 60 The driver provides the following sysfs attrib 61 62 - indexes 1 for "vin"; 63 - indexes 2, 3 for "vout"; 64 65 **in[1-3]_crit** 66 67 **in[1-3]_crit_alarm** 68 69 **in[1-3]_input** 70 71 **in[1-3]_label** 72 73 **in[1-3]_lcrit** 74 75 **in[1-3]_lcrit_alarm** 76 77 The driver provides the following sysfs attrib 78 79 - indexes 1 for "pin"; 80 - indexes 2, 3 for "pout"; 81 82 **power[1-3]_alarm** 83 84 **power[1-3]_input** 85 86 **power[1-3]_label** 87 88 The driver provides the following sysfs attrib 89 90 **temp[1-2]_crit** 91 92 **temp[1-2]_crit_alarm** 93 94 **temp[1-2]_input** 95 96 **temp[1-2]_max** 97 98 **temp[1-2]_max_alarm**
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