Texas Instruments Message Manager Driver

modulename: ti-msgmgr.ko

configname: CONFIG_TI_MESSAGE_MANAGER

Linux Kernel Configuration
└─>Device Drivers
└─>Mailbox Hardware Support
└─>Texas Instruments Message Manager Driver
In linux kernel since version 4.1 (release Date: 2015-06-21)  
An implementation of Message Manager slave driver for Keystone
and K3 architecture SoCs from Texas Instruments. Message Manager
is a communication entity found on few of Texas Instrument's keystone
and K3 architecture SoCs. These may be used for communication between
multiple processors within the SoC. Select this driver if your
platform has support for the hardware block.

source code: