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| author |   Dave Gerlach <d-gerlach@ti.com> | 2015-09-22 19:14:54 -0500 |
|---|---|---|
| committer |   Tony Lindgren <tony@atomide.com> | 2015-12-03 07:24:29 -0800 |
| commit | cdd5de500b2c90d5181ebc963826019a0a4234ba (patch) | |
| tree | 95c71a38799ca15b905236335c446c207a0f9ebd /drivers/soc/ti/Kconfig | |
| parent | Documentation: dt: add bindings for TI Wakeup M3 IPC device (diff) | |
| download | linux-dev-cdd5de500b2c90d5181ebc963826019a0a4234ba.tar.xz linux-dev-cdd5de500b2c90d5181ebc963826019a0a4234ba.zip | |
soc: ti: Add wkup_m3_ipc driver
Introduce a wkup_m3_ipc driver to handle communication between the MPU
and Cortex M3 wkup_m3 present on am335x.
This driver is responsible for actually booting the wkup_m3_rproc and
also handling all IPC which is done using the IPC registers in the control
module, a mailbox, and a separate interrupt back from the wkup_m3. A small
API is exposed for executing specific power commands, which include
configuring for low power mode, request a transition to a low power mode,
and status info on a previous transition.
Signed-off-by: Dave Gerlach <d-gerlach@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
Diffstat (limited to 'drivers/soc/ti/Kconfig')
| -rw-r--r-- | drivers/soc/ti/Kconfig | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/drivers/soc/ti/Kconfig b/drivers/soc/ti/Kconfig index 7266b2165183..3557c5e32a93 100644 --- a/drivers/soc/ti/Kconfig +++ b/drivers/soc/ti/Kconfig @@ -28,4 +28,14 @@ config KEYSTONE_NAVIGATOR_DMA If unsure, say N. +config WKUP_M3_IPC + tristate "TI AMx3 Wkup-M3 IPC Driver" + depends on WKUP_M3_RPROC + depends on OMAP2PLUS_MBOX + help + 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. + endif # SOC_TI |