Altera Arria10 DevKit System Resource chip

modulename: altera-a10sr.ko


Linux Kernel Configuration
└─>Device Drivers
└─>Multifunction device drivers
└─>Device Tree and Open Firmware support
└─>Altera Arria10 DevKit System Resource chip
In linux kernel since version 4.1 (release Date: 2015-06-21)  
Support for the Altera Arria10 DevKit MAX5 System Resource chip
using the SPI interface. This driver provides common support for
accessing the external gpio extender (LEDs & buttons) and
power supply alarms (hwmon).

source code: