TI AMx3 Wkup-M3 IPC Driver

modulename: wkup_m3_ipc.ko

configname: CONFIG_WKUP_M3_IPC

Linux Kernel Configuration
└─>Device Drivers
└─>SOC (System On Chip) specific Drivers
└─>TI SOC drivers support
└─>TI AMx3 Wkup-M3 IPC Driver
In linux kernel since version 4.1 (release Date: 2015-06-21)  
TI AM33XX and AM43XX have a Cortex M3, the Wakeup M3, to handle
low power transitions. This IPC driver provides the necessary API
to communicate and use the Wakeup M3 for PM features like suspend
resume and boots it using wkup_m3_rproc driver.

source code: