CONFIG_MFD_TPS6594 (not configurable)

modulename: tps6594-core.ko

configname: CONFIG_MFD_TPS6594

Linux Kernel Configuration
└─>Device Drivers
└─>Multifunction device drivers
└─>MFD_TPS6594
In linux kernel since version 4.14.326 (release Date: 2023-09-23)  
source code:
drivers/mfd//tps6594-core.c