Qualcomm External Bus Interface 2 (EBI2)

modulename: qcom-ebi2.ko

configname: CONFIG_QCOM_EBI2

Linux Kernel Configuration
└─>Device Drivers
└─>Bus devices
└─>Qualcomm External Bus Interface 2 (EBI2)
In linux kernel since version 4.1 (release Date: 2015-06-21)  
Say y here to enable support for the Qualcomm External Bus
Interface 2, which can be used to connect things like NAND Flash,
SRAM, ethernet adapters, FPGAs and LCD displays.

source code: