mirror of
https://github.com/edk2-porting/linux-next.git
synced 2024-12-23 04:34:11 +08:00
cce209581a
Add support for Maxim MAX20730, MAX20734, MAX20743 Integrated, Step-Down Switching Regulators with PMBus support. Signed-off-by: Guenter Roeck <linux@roeck-us.net>
75 lines
2.1 KiB
ReStructuredText
75 lines
2.1 KiB
ReStructuredText
.. 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
|
|
=================== ===== =======================================================
|