CONFIG_REGMAP_SPI (not configurable)

modulename: regmap-spi.ko

configname: CONFIG_REGMAP_SPI

Linux Kernel Configuration
└─>Device Drivers
└─>Generic Driver Options
└─>REGMAP_SPI
In linux kernel since version 3.1 (release Date: 2011-10-24)  
source code:
drivers/base//regmap/regmap-spi.c