Xilinx Configuration over Slave Serial (SPI)

modulename: xilinx-spi.ko

configname: CONFIG_FPGA_MGR_XILINX_SPI

Linux Kernel Configuration
└─>Device Drivers
└─>FPGA Configuration Framework
└─>SPI support
└─>Xilinx Configuration over Slave Serial (SPI)
In linux kernel since version 3.10 (release Date: 2013-06-30)  
FPGA manager driver support for Xilinx FPGA configuration
over slave serial interface.

source code:
drivers/fpga/xilinx-spi.c