1 .. SPDX-License-Identifier: GPL-2.0
18 Peter Yin <peter.yin@quantatw.com>
23 This driver implements support for Monolithic Power Systems, Inc. (MPS)
24 vendor dual-loop, digital, multi-phase controller MP2856/MP2857
28 - Supports up to two power rail.
29 - Supports two pages 0 and 1 for and also pages 2 for configuration.
30 - Can configured VOUT readout in direct or VID format and allows
31 setting of different formats on rails 1 and 2. For VID the following
32 protocols are available: AMD SVI3 mode with 5-mV/LSB.
39 Device compliant with:
41 - PMBus rev 1.3 interface.
43 Device supports direct format for reading output current, output voltage,
44 input and output power and temperature.
45 Device supports linear format for reading input voltage and input power.
46 Device supports VID and direct formats for reading output voltage.
47 The below VID modes are supported: AMD SVI3.
49 The driver provides the following sysfs attributes for current measurements:
51 - indexes 1 for "iin";
52 - indexes 2, 3 for "iout";
60 The driver provides the following sysfs attributes for voltage measurements.
62 - indexes 1 for "vin";
63 - indexes 2, 3 for "vout";
67 **in[1-3]_crit_alarm**
75 **in[1-3]_lcrit_alarm**
77 The driver provides the following sysfs attributes for power measurements.
79 - indexes 1 for "pin";
80 - indexes 2, 3 for "pout";
88 The driver provides the following sysfs attributes for temperature measurements.
92 **temp[1-2]_crit_alarm**
98 **temp[1-2]_max_alarm**