Maxim MAX6621 sensor chip

modulename: max6621.ko

configname: CONFIG_SENSORS_MAX6621

Linux Kernel Configuration
└─>Device Drivers
└─>Hardware Monitoring support
└─>Maxim MAX6621 sensor chip
In linux kernel since version 4.2 (release Date: 2015-08-30)  
If you say yes here you get support for MAX6621 sensor chip.
MAX6621 is a PECI-to-I2C translator provides an efficient,
low-cost solution for PECI-to-SMBus/I2C protocol conversion.
It allows reading the temperature from the PECI-compliant
host directly from up to four PECI-enabled CPUs.

This driver can also be built as a module. If so, the module
will be called max6621.

source code: