wkup_m3_ipc: Add support for IO Isolation
authorDave Gerlach <d-gerlach@ti.com>
Fri, 2 Nov 2018 10:29:07 +0000 (15:59 +0530)
committerTero Kristo <t-kristo@ti.com>
Tue, 6 Nov 2018 13:06:17 +0000 (15:06 +0200)
AM43xx support isolation of the IOs so that control is taken
from the peripheral they are connected to and overridden by values
present in the CTRL_CONF_* registers for the pad in the control module.

The actual toggling happens from the wkup_m3, so use a DT property from
thea wkup_m3_ipc node to allow the PM code to communicate the necessity
for placing the IOs into isolation to the firmware.

Signed-off-by: Dave Gerlach <d-gerlach@ti.com>
Signed-off-by: Keerthy <j-keerthy@ti.com>

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