Include MacIO (CHRP) ADB driver

modulename: macio-adb.ko
configname: CONFIG_ADB_MACIO

Linux Kernel Configuration
└─> Device Drivers
└─> Macintosh device drivers
└─> Include MacIO (CHRP) ADB driver

Say Y here to include direct support for the ADB controller in the
Hydra chip used on PowerPC Macintoshes of the CHRP type. (The Hydra
also includes a MESH II SCSI controller, DBDMA controller, VIA chip,
OpenPIC controller and two RS422/Geoports.)

source code: