Samsung S3C24XX series SPI by GPIO

modulename: spi_s3c24xx_gpio.ko

configname: CONFIG_SPI_S3C24XX_GPIO

Linux Kernel Configuration
└─>Device Drivers
└─>SPI support
└─>Samsung S3C24XX series SPI by GPIO
In linux kernel since version 2.6.20 (release Date: 2007-02-04)  
SPI driver for Samsung S3C24XX series ARM SoCs using
GPIO lines to provide the SPI bus. This can be used where
the inbuilt hardware cannot provide the transfer mode, or
where the board is using non hardware connected pins.

source code: