OMAP2+ Mailbox framework support

modulename: omap-mailbox.ko

configname: CONFIG_OMAP2PLUS_MBOX

Linux Kernel Configuration
└─>Device Drivers
└─>Mailbox Hardware Support
└─>OMAP2+ Mailbox framework support
In linux kernel since version 3.10 (release Date: 2013-06-30)  
Mailbox implementation for OMAP family chips with hardware for
interprocessor communication involving DSP, IVA1.0 and IVA2 in
OMAP2/3; or IPU, IVA HD and DSP in OMAP4/5. Say Y here if you
want to use OMAP2+ Mailbox framework support.

source code:
drivers/mailbox/omap-mailbox.c