Nvidia Tegra SPI controller

modulename: spi-tegra.ko

configname: CONFIG_SPI_TEGRA

Linux Kernel Configuration
└─>Device Drivers
└─>SPI support
└─>Nvidia Tegra SPI controller
In linux kernel since version 2.6.37 (release Date: 2011-01-04)  
SPI driver for NVidia Tegra SoCs

source code:
drivers/spi/spi-tegra.c