CONFIG_REGMAP_I3C (not configurable)

modulename: regmap-i3c.ko

configname: CONFIG_REGMAP_I3C

Linux Kernel Configuration
└─>Device Drivers
└─>Generic Driver Options
└─>REGMAP_I3C
In linux kernel since version 5.1 (release Date: 2019-05-05)  
source code:
drivers/base//regmap/regmap-i3c.c
depends
CONFIG_I3C

is depended by
CONFIG_IIO_ST_LSM6DSX_I3C