Atheros AR71XX/AR724X/AR913X SPI controller driver

modulename: spi-ath79.ko

configname: CONFIG_SPI_ATH79

Linux Kernel Configuration
└─>Device Drivers
└─>SPI support
└─>Atheros AR71XX/AR724X/AR913X SPI controller driver
In linux kernel since version 2.6.38 (release Date: 2011-03-14)  
This enables support for the SPI controller present on the
Atheros AR71XX/AR724X/AR913X SoCs.

source code: