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 -
System designer and CEO of Acme Systems srl
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