diff options
| author | Alex Vdovydchenko <xzeol@yahoo.com> | 2024-07-02 14:52:51 +0300 |
|---|---|---|
| committer | Guenter Roeck <linux@roeck-us.net> | 2024-07-02 12:36:31 -0700 |
| commit | cd228e7b65d43c441964a17f02c92f33d2c4af7b (patch) | |
| tree | e38b465390223f2522157037bf12f9e40f7f4086 /Documentation/hwmon | |
| parent | a50fbf8a52de59fbc1c06d643a3cb86495c1b3b2 (diff) | |
hwmon: add MP5920 driver
Add support for MPS Hot-Swap controller mp5920. This driver exposes
telemetry and limit value readings and writings.
Signed-off-by: Alex Vdovydchenko <xzeol@yahoo.com>
Reviewed-by: Thomas Weißschuh <linux@weissschuh.net>
Link: https://lore.kernel.org/r/20240702115252.981416-3-xzeol@yahoo.com
[groeck: Use min_t() to limit length of displayed model string]
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/mp5920.rst | 91 |
2 files changed, 92 insertions, 0 deletions
diff --git a/Documentation/hwmon/index.rst b/Documentation/hwmon/index.rst index 3b43a33547ae..1241b7442233 100644 --- a/Documentation/hwmon/index.rst +++ b/Documentation/hwmon/index.rst @@ -169,6 +169,7 @@ Hardware Monitoring Kernel Drivers mp2975 mp2993 mp5023 + mp5920 mp5990 mp9941 mpq8785 diff --git a/Documentation/hwmon/mp5920.rst b/Documentation/hwmon/mp5920.rst new file mode 100644 index 000000000000..98946e7cf54e --- /dev/null +++ b/Documentation/hwmon/mp5920.rst @@ -0,0 +1,91 @@ +.. SPDX-License-Identifier: GPL-2.0 + +Kernel driver mp5920 +==================== + +Supported chips: + + * MPS MP5920 + + Prefix: 'mp5920' + + * Datasheet + + Publicly available at the MPS website : https://www.monolithicpower.com/en/mp5920.html + +Authors: + + Tony Ao <tony_ao@wiwynn.com> + Alex Vdovydchenko <xzeol@yahoo.com> + +Description +----------- + +This driver implements support for Monolithic Power Systems, Inc. (MPS) +MP5920 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_rated_max** + +**in1_rated_min** + +**in1_crit** + +**in1_alarm** + +The driver provides the following attributes for output voltage: + +**in2_input** + +**in2_label** + +**in2_rated_max** + +**in2_rated_min** + +**in2_alarm** + +The driver provides the following attributes for output current: + +**curr1_input** + +**curr1_label** + +**curr1_crit** + +**curr1_alarm** + +**curr1_rated_max** + +The driver provides the following attributes for input power: + +**power1_input** + +**power1_label** + +**power1_max** + +**power1_rated_max** + +The driver provides the following attributes for temperature: + +**temp1_input** + +**temp1_max** + +**temp1_crit** + +**temp1_alarm** |