1.. SPDX-License-Identifier: GPL-2.0-or-later 2 3Kernel driver max20730 4====================== 5 6Supported chips: 7 8 * Maxim MAX20710 9 10 Prefix: 'max20710' 11 12 Addresses scanned: - 13 14 Datasheet: https://datasheets.maximintegrated.com/en/ds/MAX20710.pdf 15 16 * Maxim MAX20730 17 18 Prefix: 'max20730' 19 20 Addresses scanned: - 21 22 Datasheet: https://datasheets.maximintegrated.com/en/ds/MAX20730.pdf 23 24 * Maxim MAX20734 25 26 Prefix: 'max20734' 27 28 Addresses scanned: - 29 30 Datasheet: https://datasheets.maximintegrated.com/en/ds/MAX20734.pdf 31 32 * Maxim MAX20743 33 34 Prefix: 'max20743' 35 36 Addresses scanned: - 37 38 Datasheet: https://datasheets.maximintegrated.com/en/ds/MAX20743.pdf 39 40Author: Guenter Roeck <linux@roeck-us.net> 41 42 43Description 44----------- 45 46This driver implements support for Maxim MAX20710, MAX20730, MAX20734, and MAX20743 47Integrated, Step-Down Switching Regulators with PMBus support. 48 49The driver is a client driver to the core PMBus driver. 50Please see Documentation/hwmon/pmbus.rst for details on PMBus client drivers. 51 52 53Usage Notes 54----------- 55 56This driver does not auto-detect devices. You will have to instantiate the 57devices explicitly. Please see Documentation/i2c/instantiating-devices.rst for 58details. 59 60 61Sysfs entries 62------------- 63 64=================== ===== ======================================================= 65curr1_crit RW/RO Critical output current. Please see datasheet for 66 supported limits. Read-only if the chip is 67 write protected; read-write otherwise. 68curr1_crit_alarm RO Output current critical alarm 69curr1_input RO Output current 70curr1_label RO 'iout1' 71in1_alarm RO Input voltage alarm 72in1_input RO Input voltage 73in1_label RO 'vin' 74in2_alarm RO Output voltage alarm 75in2_input RO Output voltage 76in2_label RO 'vout1' 77temp1_crit RW/RO Critical temeperature. Supported values are 130 or 150 78 degrees C. Read-only if the chip is write protected; 79 read-write otherwise. 80temp1_crit_alarm RO Temperature critical alarm 81temp1_input RO Chip temperature 82=================== ===== ======================================================= 83