.. 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 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 =================== ===== =======================================================