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| author | Alexis Czezar Torreno <alexisczezar.torreno@analog.com> | 2026-05-05 17:25:06 +0800 |
|---|---|---|
| committer | Guenter Roeck <linux@roeck-us.net> | 2026-06-09 08:22:59 -0700 |
| commit | dfd47a3c885b79dba0bc2e6a47aa17ca443c4c21 (patch) | |
| tree | 68d216e7e442fc1012a55c2d0400237aa8ce0d2a /Documentation/hwmon | |
| parent | cf5d3086a7cb6df18bf345dac0bbb7971f347da9 (diff) | |
| download | linux-next-dfd47a3c885b79dba0bc2e6a47aa17ca443c4c21.tar.gz linux-next-dfd47a3c885b79dba0bc2e6a47aa17ca443c4c21.zip | |
hwmon: (pmbus/max20830) add driver for max20830
Add support for MAX20830 step-down DC-DC switching regulator with
PMBus interface. It allows monitoring of input/output voltage,
output current and temperature through the PMBus serial interface.
Signed-off-by: Alexis Czezar Torreno <alexisczezar.torreno@analog.com>
Link: https://lore.kernel.org/r/20260505-dev_max20830-v4-2-4343dcbfd7d7@analog.com
[groeck: checkpatch cleanup (space before and after '-')]
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/max20830.rst | 49 |
2 files changed, 50 insertions, 0 deletions
diff --git a/Documentation/hwmon/index.rst b/Documentation/hwmon/index.rst index 2ae3316c4665..595350bfc003 100644 --- a/Documentation/hwmon/index.rst +++ b/Documentation/hwmon/index.rst @@ -159,6 +159,7 @@ Hardware Monitoring Kernel Drivers max197 max20730 max20751 + max20830 max31722 max31730 max31760 diff --git a/Documentation/hwmon/max20830.rst b/Documentation/hwmon/max20830.rst new file mode 100644 index 000000000000..936e409dcc5c --- /dev/null +++ b/Documentation/hwmon/max20830.rst @@ -0,0 +1,49 @@ +.. SPDX-License-Identifier: GPL-2.0 + +Kernel driver max20830 +====================== + +Supported chips: + + * Analog Devices MAX20830 + + Prefix: 'max20830' + + Addresses scanned: - + + Datasheet: https://www.analog.com/media/en/technical-documentation/data-sheets/max20830.pdf + +Author: + + - Alexis Czezar Torreno <alexisczezar.torreno@analog.com> + + +Description +----------- + +This driver supports hardware monitoring for Analog Devices MAX20830 +Step-Down Switching Regulator with PMBus Interface. + +The MAX20830 is a 2.7V to 16V, 30A fully integrated step-down DC-DC switching +regulator. Through the PMBus interface, the device can monitor input/output +voltages, output current and temperature. + +The driver is a client driver to the core PMBus driver. Please see +Documentation/hwmon/pmbus.rst for details on PMBus client drivers. + +Sysfs entries +------------- + +================= ======================================== +in1_label "vin" +in1_input Measured input voltage +in1_alarm Input voltage alarm +in2_label "vout1" +in2_input Measured output voltage +in2_alarm Output voltage alarm +curr1_label "iout1" +curr1_input Measured output current +curr1_alarm Output current alarm +temp1_input Measured temperature +temp1_alarm Chip temperature alarm +================= ======================================== |