Kernel SPI modules

To use the SPI bus be sure that the SPI driver module and the SPIDEV user space interface are enabled in the Linux Kernel configuration:

Device Drivers  --->
  [*] SPI support  ---> 
    <*>   Atmel SPI Controller 
    <*>   User mode SPI device driver support

Author:
Sergio Tanzilli - tanzilli@acmesystems.it
http://www.tanzilli.com - https://github.com/tanzilli