1 Kernel driver max31790 2 ====================== 3 4 Supported chips: 5 6 * Maxim MAX31730 7 8 Prefix: 'max31730' 9 10 Addresses scanned: 0x1c, 0x1d, 0x1e, 0x1f, 0x4c, 0x4d, 0x4e, 0x4f 11 12 Datasheet: https://datasheets.maximintegrated.com/en/ds/MAX31730.pdf 13 14 Author: Guenter Roeck <linux@roeck-us.net> 15 16 17 Description 18 ----------- 19 20 This driver implements support for Maxim MAX31730. 21 22 The MAX31730 temperature sensor monitors its own temperature and the 23 temperatures of three external diode-connected transistors. The operating 24 supply voltage is from 3.0V to 3.6V. Resistance cancellation compensates 25 for high series resistance in circuit-board traces and the external thermal 26 diode, while beta compensation corrects for temperature-measurement 27 errors due to low-beta sensing transistors. 28 29 30 Sysfs entries 31 ------------- 32 33 =================== == ======================================================= 34 temp[1-4]_enable RW Temperature enable/disable 35 Set to 0 to enable channel, 0 to disable 36 temp[1-4]_input RO Temperature input 37 temp[2-4]_fault RO Fault indicator for remote channels 38 temp[1-4]_max RW Maximum temperature 39 temp[1-4]_max_alarm RW Maximum temperature alarm 40 temp[1-4]_min RW Minimum temperature. Common for all channels. 41 Only temp1_min is writeable. 42 temp[1-4]_min_alarm RO Minimum temperature alarm 43 temp[2-4]_offset RW Temperature offset for remote channels 44 =================== == =======================================================
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