1cce20958SGuenter Roeck.. SPDX-License-Identifier: GPL-2.0-or-later 2cce20958SGuenter Roeck 3cce20958SGuenter RoeckKernel driver max20730 4cce20958SGuenter Roeck====================== 5cce20958SGuenter Roeck 6cce20958SGuenter RoeckSupported chips: 7cce20958SGuenter Roeck 85c9353f5SUgur Usug * Maxim MAX20710 95c9353f5SUgur Usug 105c9353f5SUgur Usug Prefix: 'max20710' 115c9353f5SUgur Usug 125c9353f5SUgur Usug Addresses scanned: - 135c9353f5SUgur Usug 145c9353f5SUgur Usug Datasheet: https://datasheets.maximintegrated.com/en/ds/MAX20710.pdf 155c9353f5SUgur Usug 16cce20958SGuenter Roeck * Maxim MAX20730 17cce20958SGuenter Roeck 18cce20958SGuenter Roeck Prefix: 'max20730' 19cce20958SGuenter Roeck 20cce20958SGuenter Roeck Addresses scanned: - 21cce20958SGuenter Roeck 22cce20958SGuenter Roeck Datasheet: https://datasheets.maximintegrated.com/en/ds/MAX20730.pdf 23cce20958SGuenter Roeck 24cce20958SGuenter Roeck * Maxim MAX20734 25cce20958SGuenter Roeck 26cce20958SGuenter Roeck Prefix: 'max20734' 27cce20958SGuenter Roeck 28cce20958SGuenter Roeck Addresses scanned: - 29cce20958SGuenter Roeck 30cce20958SGuenter Roeck Datasheet: https://datasheets.maximintegrated.com/en/ds/MAX20734.pdf 31cce20958SGuenter Roeck 32cce20958SGuenter Roeck * Maxim MAX20743 33cce20958SGuenter Roeck 34cce20958SGuenter Roeck Prefix: 'max20743' 35cce20958SGuenter Roeck 36cce20958SGuenter Roeck Addresses scanned: - 37cce20958SGuenter Roeck 38cce20958SGuenter Roeck Datasheet: https://datasheets.maximintegrated.com/en/ds/MAX20743.pdf 39cce20958SGuenter Roeck 40cce20958SGuenter RoeckAuthor: Guenter Roeck <linux@roeck-us.net> 41cce20958SGuenter Roeck 42cce20958SGuenter Roeck 43cce20958SGuenter RoeckDescription 44cce20958SGuenter Roeck----------- 45cce20958SGuenter Roeck 465c9353f5SUgur UsugThis driver implements support for Maxim MAX20710, MAX20730, MAX20734, and MAX20743 47cce20958SGuenter RoeckIntegrated, Step-Down Switching Regulators with PMBus support. 48cce20958SGuenter Roeck 49cce20958SGuenter RoeckThe driver is a client driver to the core PMBus driver. 50cce20958SGuenter RoeckPlease see Documentation/hwmon/pmbus.rst for details on PMBus client drivers. 51cce20958SGuenter Roeck 52cce20958SGuenter Roeck 53cce20958SGuenter RoeckUsage Notes 54cce20958SGuenter Roeck----------- 55cce20958SGuenter Roeck 56cce20958SGuenter RoeckThis driver does not auto-detect devices. You will have to instantiate the 57cce20958SGuenter Roeckdevices explicitly. Please see Documentation/i2c/instantiating-devices.rst for 58cce20958SGuenter Roeckdetails. 59cce20958SGuenter Roeck 60cce20958SGuenter Roeck 61cce20958SGuenter RoeckSysfs entries 62cce20958SGuenter Roeck------------- 63cce20958SGuenter Roeck 64cce20958SGuenter Roeck=================== ===== ======================================================= 65cce20958SGuenter Roeckcurr1_crit RW/RO Critical output current. Please see datasheet for 66cce20958SGuenter Roeck supported limits. Read-only if the chip is 67cce20958SGuenter Roeck write protected; read-write otherwise. 68cce20958SGuenter Roeckcurr1_crit_alarm RO Output current critical alarm 69cce20958SGuenter Roeckcurr1_input RO Output current 70cce20958SGuenter Roeckcurr1_label RO 'iout1' 71cce20958SGuenter Roeckin1_alarm RO Input voltage alarm 72cce20958SGuenter Roeckin1_input RO Input voltage 73cce20958SGuenter Roeckin1_label RO 'vin' 74cce20958SGuenter Roeckin2_alarm RO Output voltage alarm 75cce20958SGuenter Roeckin2_input RO Output voltage 76cce20958SGuenter Roeckin2_label RO 'vout1' 77cce20958SGuenter Roecktemp1_crit RW/RO Critical temeperature. Supported values are 130 or 150 78cce20958SGuenter Roeck degrees C. Read-only if the chip is write protected; 79cce20958SGuenter Roeck read-write otherwise. 80cce20958SGuenter Roecktemp1_crit_alarm RO Temperature critical alarm 81cce20958SGuenter Roecktemp1_input RO Chip temperature 82cce20958SGuenter Roeck=================== ===== ======================================================= 83