1*4882a593Smuzhiyun.. SPDX-License-Identifier: GPL-2.0-or-later 2*4882a593Smuzhiyun 3*4882a593SmuzhiyunKernel driver max20730 4*4882a593Smuzhiyun====================== 5*4882a593Smuzhiyun 6*4882a593SmuzhiyunSupported chips: 7*4882a593Smuzhiyun 8*4882a593Smuzhiyun * Maxim MAX20710 9*4882a593Smuzhiyun 10*4882a593Smuzhiyun Prefix: 'max20710' 11*4882a593Smuzhiyun 12*4882a593Smuzhiyun Addresses scanned: - 13*4882a593Smuzhiyun 14*4882a593Smuzhiyun Datasheet: https://datasheets.maximintegrated.com/en/ds/MAX20710.pdf 15*4882a593Smuzhiyun 16*4882a593Smuzhiyun * Maxim MAX20730 17*4882a593Smuzhiyun 18*4882a593Smuzhiyun Prefix: 'max20730' 19*4882a593Smuzhiyun 20*4882a593Smuzhiyun Addresses scanned: - 21*4882a593Smuzhiyun 22*4882a593Smuzhiyun Datasheet: https://datasheets.maximintegrated.com/en/ds/MAX20730.pdf 23*4882a593Smuzhiyun 24*4882a593Smuzhiyun * Maxim MAX20734 25*4882a593Smuzhiyun 26*4882a593Smuzhiyun Prefix: 'max20734' 27*4882a593Smuzhiyun 28*4882a593Smuzhiyun Addresses scanned: - 29*4882a593Smuzhiyun 30*4882a593Smuzhiyun Datasheet: https://datasheets.maximintegrated.com/en/ds/MAX20734.pdf 31*4882a593Smuzhiyun 32*4882a593Smuzhiyun * Maxim MAX20743 33*4882a593Smuzhiyun 34*4882a593Smuzhiyun Prefix: 'max20743' 35*4882a593Smuzhiyun 36*4882a593Smuzhiyun Addresses scanned: - 37*4882a593Smuzhiyun 38*4882a593Smuzhiyun Datasheet: https://datasheets.maximintegrated.com/en/ds/MAX20743.pdf 39*4882a593Smuzhiyun 40*4882a593SmuzhiyunAuthor: Guenter Roeck <linux@roeck-us.net> 41*4882a593Smuzhiyun 42*4882a593Smuzhiyun 43*4882a593SmuzhiyunDescription 44*4882a593Smuzhiyun----------- 45*4882a593Smuzhiyun 46*4882a593SmuzhiyunThis driver implements support for Maxim MAX20710, MAX20730, MAX20734, and MAX20743 47*4882a593SmuzhiyunIntegrated, Step-Down Switching Regulators with PMBus support. 48*4882a593Smuzhiyun 49*4882a593SmuzhiyunThe driver is a client driver to the core PMBus driver. 50*4882a593SmuzhiyunPlease see Documentation/hwmon/pmbus.rst for details on PMBus client drivers. 51*4882a593Smuzhiyun 52*4882a593Smuzhiyun 53*4882a593SmuzhiyunUsage Notes 54*4882a593Smuzhiyun----------- 55*4882a593Smuzhiyun 56*4882a593SmuzhiyunThis driver does not auto-detect devices. You will have to instantiate the 57*4882a593Smuzhiyundevices explicitly. Please see Documentation/i2c/instantiating-devices.rst for 58*4882a593Smuzhiyundetails. 59*4882a593Smuzhiyun 60*4882a593Smuzhiyun 61*4882a593SmuzhiyunSysfs entries 62*4882a593Smuzhiyun------------- 63*4882a593Smuzhiyun 64*4882a593Smuzhiyun=================== ===== ======================================================= 65*4882a593Smuzhiyuncurr1_crit RW/RO Critical output current. Please see datasheet for 66*4882a593Smuzhiyun supported limits. Read-only if the chip is 67*4882a593Smuzhiyun write protected; read-write otherwise. 68*4882a593Smuzhiyuncurr1_crit_alarm RO Output current critical alarm 69*4882a593Smuzhiyuncurr1_input RO Output current 70*4882a593Smuzhiyuncurr1_label RO 'iout1' 71*4882a593Smuzhiyunin1_alarm RO Input voltage alarm 72*4882a593Smuzhiyunin1_input RO Input voltage 73*4882a593Smuzhiyunin1_label RO 'vin' 74*4882a593Smuzhiyunin2_alarm RO Output voltage alarm 75*4882a593Smuzhiyunin2_input RO Output voltage 76*4882a593Smuzhiyunin2_label RO 'vout1' 77*4882a593Smuzhiyuntemp1_crit RW/RO Critical temeperature. Supported values are 130 or 150 78*4882a593Smuzhiyun degrees C. Read-only if the chip is write protected; 79*4882a593Smuzhiyun read-write otherwise. 80*4882a593Smuzhiyuntemp1_crit_alarm RO Temperature critical alarm 81*4882a593Smuzhiyuntemp1_input RO Chip temperature 82*4882a593Smuzhiyun=================== ===== ======================================================= 83