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| author | Guenter Roeck <linux@roeck-us.net> | 2019-12-05 20:26:24 -0800 |
|---|---|---|
| committer | Guenter Roeck <linux@roeck-us.net> | 2020-01-23 13:15:10 -0800 |
| commit | cce209581a61d01f2b7309bed68d22fd8af34ee4 (patch) | |
| tree | b5e57f30eef9ce5439a16872d96eae7dc7d73e44 /Documentation/hwmon | |
| parent | 931f397bc6243f2def1f2c147d415cfcd83a3df5 (diff) | |
| download | linux-next-cce209581a61d01f2b7309bed68d22fd8af34ee4.tar.gz | |
hwmon: (pmbus) Driver for MAX20730, MAX20734, and MAX20743
Add support for Maxim MAX20730, MAX20734, MAX20743 Integrated,
Step-Down Switching Regulators with PMBus support.
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/max20730.rst | 74 |
2 files changed, 75 insertions, 0 deletions
diff --git a/Documentation/hwmon/index.rst b/Documentation/hwmon/index.rst index b91da3acccb9..6f88af43eed6 100644 --- a/Documentation/hwmon/index.rst +++ b/Documentation/hwmon/index.rst @@ -106,6 +106,7 @@ Hardware Monitoring Kernel Drivers max1619 max1668 max197 + max20730 max20751 max31722 max31730 diff --git a/Documentation/hwmon/max20730.rst b/Documentation/hwmon/max20730.rst new file mode 100644 index 000000000000..cea7ae58c2f7 --- /dev/null +++ b/Documentation/hwmon/max20730.rst @@ -0,0 +1,74 @@ +.. SPDX-License-Identifier: GPL-2.0-or-later + +Kernel driver max20730 +====================== + +Supported chips: + + * Maxim MAX20730 + + Prefix: 'max20730' + + Addresses scanned: - + + Datasheet: https://datasheets.maximintegrated.com/en/ds/MAX20730.pdf + + * Maxim MAX20734 + + Prefix: 'max20734' + + Addresses scanned: - + + Datasheet: https://datasheets.maximintegrated.com/en/ds/MAX20734.pdf + + * Maxim MAX20743 + + Prefix: 'max20743' + + Addresses scanned: - + + Datasheet: https://datasheets.maximintegrated.com/en/ds/MAX20743.pdf + +Author: Guenter Roeck <linux@roeck-us.net> + + +Description +----------- + +This driver implements support for Maxim MAX20730, MAX20734, and MAX20743 +Integrated, Step-Down Switching Regulators with PMBus support. + +The driver is a client driver to the core PMBus driver. +Please see Documentation/hwmon/pmbus.rst for details on PMBus client drivers. + + +Usage Notes +----------- + +This driver does not auto-detect devices. You will have to instantiate the +devices explicitly. Please see Documentation/i2c/instantiating-devices.rst for +details. + + +Sysfs entries +------------- + +=================== ===== ======================================================= +curr1_crit RW/RO Critical output current. Please see datasheet for + supported limits. Read-only if the chip is + write protected; read-write otherwise. +curr1_crit_alarm RO Output current critical alarm +curr1_input RO Output current +curr1_label RO 'iout1' +in1_alarm RO Input voltage alarm +in1_input RO Input voltage +in1_label RO 'vin' +in2_alarm RO Output voltage alarm +in2_input RO Output voltage +in2_label RO 'vout1' +temp1_crit RW/RO Critical temeperature. Supported values are 130 or 150 + degrees C. Read-only if the chip is write protected; + read-write otherwise. +temp1_crit_alarm RO Temperature critical alarm +temp1_input RO Chip temperature +=================== ===== ======================================================= |