FSI master based on Aspeed ColdFire coprocessor

modulename: fsi-master-ast-cf.ko

configname: CONFIG_FSI_MASTER_AST_CF

Linux Kernel Configuration
└─>Device Drivers
└─>FSI support
└─>GPIO Support
└─>FSI master based on Aspeed ColdFire coprocessor
In linux kernel since version 4.2 (release Date: 2015-08-30)  
This option enables a FSI master using the AST2400 and AST2500 GPIO
lines driven by the internal ColdFire coprocessor. This requires
the corresponding machine specific ColdFire firmware to be available.

source code:
drivers/fsi/fsi-master-ast-cf.c