diff options
| author | Peter Yin <peteryin.openbmc@gmail.com> | 2023-11-13 23:50:08 +0800 |
|---|---|---|
| committer | Guenter Roeck <linux@roeck-us.net> | 2023-12-11 06:21:00 -0800 |
| commit | ce0742404ad7b616811294844dbddac0fb6dcd32 (patch) | |
| tree | 6e5775fde814fca14f5138b8a62f6d47ec0c13c8 /Documentation/hwmon | |
| parent | 599617301e54e82c0abdeb55495c4f27924ef716 (diff) | |
| download | linux-ce0742404ad7b616811294844dbddac0fb6dcd32.tar.gz | |
hwmon: (pmbus) Add support for MPS Multi-phase mp5990
Add support for mp5990 device from Monolithic Power Systems, Inc. (MPS)
vendor. This is a Hot-Swap Controller.
Signed-off-by: Peter Yin <peteryin.openbmc@gmail.com>
Link: https://lore.kernel.org/r/20231113155008.2147090-3-peteryin.openbmc@gmail.com
[groeck: Improved and clarified comments]
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Diffstat (limited to 'Documentation/hwmon')
| -rw-r--r-- | Documentation/hwmon/index.rst | 1 | ||||
| -rw-r--r-- | Documentation/hwmon/mp5990.rst | 84 |
2 files changed, 85 insertions, 0 deletions
diff --git a/Documentation/hwmon/index.rst b/Documentation/hwmon/index.rst index 72f4e6065baed..095c36f5e8a1f 100644 --- a/Documentation/hwmon/index.rst +++ b/Documentation/hwmon/index.rst @@ -159,6 +159,7 @@ Hardware Monitoring Kernel Drivers mp2888 mp2975 mp5023 + mp5990 nct6683 nct6775 nct7802 diff --git a/Documentation/hwmon/mp5990.rst b/Documentation/hwmon/mp5990.rst new file mode 100644 index 0000000000000..6f2f0c099d449 --- /dev/null +++ b/Documentation/hwmon/mp5990.rst @@ -0,0 +1,84 @@ +.. SPDX-License-Identifier: GPL-2.0 + +Kernel driver mp5990 +==================== + +Supported chips: + + * MPS MP5990 + + Prefix: 'mp5990' + + * Datasheet + + Publicly available at the MPS website : https://www.monolithicpower.com/en/mp5990.html + +Author: + + Peter Yin <peteryin.openbmc@gmail.com> + +Description +----------- + +This driver implements support for Monolithic Power Systems, Inc. (MPS) +MP5990 Hot-Swap Controller. + +Device compliant with: + +- PMBus rev 1.3 interface. + +Device supports direct and linear format for reading input voltage, +output voltage, output current, input power and temperature. + +The driver exports the following attributes via the 'sysfs' files +for input voltage: + +**in1_input** + +**in1_label** + +**in1_max** + +**in1_max_alarm** + +**in1_min** + +**in1_min_alarm** + +The driver provides the following attributes for output voltage: + +**in2_input** + +**in2_label** + +**in2_alarm** + +The driver provides the following attributes for output current: + +**curr1_input** + +**curr1_label** + +**curr1_alarm** + +**curr1_max** + +The driver provides the following attributes for input power: + +**power1_input** + +**power1_label** + +**power1_alarm** + +The driver provides the following attributes for temperature: + +**temp1_input** + +**temp1_max** + +**temp1_max_alarm** + +**temp1_crit** + +**temp1_crit_alarm** |