Atmel AT91 ADC

modulename: at91_adc.ko

configname: CONFIG_AT91_ADC

Linux Kernel Configuration
└─>Device Drivers
└─>Industrial I/O support
└─>Analog to digital converters
└─>Atmel AT91 ADC
In linux kernel since version 3.1 (release Date: 2011-10-24)  
Say yes here to build support for Atmel AT91 ADC.

source code: