Renesas RPC-IF HyperBus driver

modulename: rpc-if.ko

configname: CONFIG_RPCIF_HYPERBUS

Linux Kernel Configuration
└─>Device Drivers
└─>Memory Technology Device (MTD) support
└─>HyperBus support
└─>Renesas RPC-IF HyperBus driver
In linux kernel since version 5.1 (release Date: 2019-05-05)  
This option includes Renesas RPC-IF HyperBus support.

source code: