RPi GPIO bitbang

modulename: gpib_bitbang.ko

configname: CONFIG_GPIB_GPIO

Linux Kernel Configuration
└─>Device Drivers
└─>Staging drivers
└─>Linux GPIB drivers
└─>RPi GPIO bitbang
In linux kernel since version 6.13 (release Date: 2025-01-19)  
GPIB bitbang driver Raspberry Pi GPIO adapters

To compile this driver as a module, choose M here: the module will be
called gpib_bitbang

source code:

depends
CONFIG_GPIB
CONFIG_STAGING
CONFIG_ARCH_BCM2835 or CONFIG_COMPILE_TEST