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1Kernel driver max16682=====================3 4Supported chips:5 6 * Maxim MAX1668, MAX1805 and MAX19897 8 Prefix: 'max1668'9 10 Addresses scanned: I2C 0x18, 0x19, 0x1a, 0x29, 0x2a, 0x2b, 0x4c, 0x4d, 0x4e11 12 Datasheet: http://datasheets.maxim-ic.com/en/ds/MAX1668-MAX1989.pdf13 14Author:15 16 David George <david.george@ska.ac.za>17 18Description19-----------20 21This driver implements support for the Maxim MAX1668, MAX1805 and MAX198922chips.23 24The three devices are very similar, but the MAX1805 has a reduced feature25set; only two remote temperature inputs vs the four available on the other26two ICs.27 28The driver is able to distinguish between the devices and creates sysfs29entries as follows:30 31- MAX1805, MAX1668 and MAX1989:32 33=============== == ============================================================34temp1_input ro local (ambient) temperature35temp1_max rw local temperature maximum threshold for alarm36temp1_max_alarm ro local temperature maximum threshold alarm37temp1_min rw local temperature minimum threshold for alarm38temp1_min_alarm ro local temperature minimum threshold alarm39temp2_input ro remote temperature 140temp2_max rw remote temperature 1 maximum threshold for alarm41temp2_max_alarm ro remote temperature 1 maximum threshold alarm42temp2_min rw remote temperature 1 minimum threshold for alarm43temp2_min_alarm ro remote temperature 1 minimum threshold alarm44temp3_input ro remote temperature 245temp3_max rw remote temperature 2 maximum threshold for alarm46temp3_max_alarm ro remote temperature 2 maximum threshold alarm47temp3_min rw remote temperature 2 minimum threshold for alarm48temp3_min_alarm ro remote temperature 2 minimum threshold alarm49=============== == ============================================================50 51- MAX1668 and MAX1989 only:52 53=============== == ============================================================54temp4_input ro remote temperature 355temp4_max rw remote temperature 3 maximum threshold for alarm56temp4_max_alarm ro remote temperature 3 maximum threshold alarm57temp4_min rw remote temperature 3 minimum threshold for alarm58temp4_min_alarm ro remote temperature 3 minimum threshold alarm59temp5_input ro remote temperature 460temp5_max rw remote temperature 4 maximum threshold for alarm61temp5_max_alarm ro remote temperature 4 maximum threshold alarm62temp5_min rw remote temperature 4 minimum threshold for alarm63temp5_min_alarm ro remote temperature 4 minimum threshold alarm64=============== == ============================================================65 66Module Parameters67-----------------68 69* read_only: int70 Set to non-zero if you wish to prevent write access to alarm thresholds.71