1Kernel driver nct7802 2===================== 3 4Supported chips: 5 6 * Nuvoton NCT7802Y 7 8 Prefix: 'nct7802' 9 10 Addresses scanned: I2C 0x28..0x2f 11 12 Datasheet: Available from Nuvoton web site 13 14Authors: 15 16 Guenter Roeck <linux@roeck-us.net> 17 18Description 19----------- 20 21This driver implements support for the Nuvoton NCT7802Y hardware monitoring 22chip. NCT7802Y supports 6 temperature sensors, 5 voltage sensors, and 3 fan 23speed sensors. 24 25Smart Fan™ speed control is available via pwmX_auto_point attributes. 26 27Sysfs Attributes 28---------------- 29 30Sysfs attributes unique to this chip are documented below. For common 31attributes, see Documentation/hwmon/sysfs-interface.rst. 32 33step_up_time 34 Time interval between successive duty cycle increases 35 when in Smart Fan mode. Specified in milliseconds and 36 rounded to intervals of 100 in the range 100-25500. 37 38step_down_time 39 Time interval between successive duty cycle decreases 40 when in Smart Fan mode. Specified in milliseconds and 41 rounded to intervals of 100 in the range 100-25500. 42 43Tested Boards and BIOS Versions 44------------------------------- 45 46The driver has been reported to work with the following boards and 47BIOS versions. 48 49======================= =============================================== 50Board BIOS version 51======================= =============================================== 52Kontron COMe-bSC2 CHR2E934.001.GGO 53Kontron COMe-bIP2 CCR2E212 54======================= =============================================== 55