This driver is to provide a independent framework for PM service
provider and consumer to configure system level wake up feature. For
example, RCPM driver could register a callback function on this
platform first, and Flex timer driver who want to enable timer wake
up feature, will call generic API provided by this platform driver,
and then it will trigger RCPM driver to do it. The benefit is to
isolate the user and service, such as flex timer driver will not have
to know the implement details of wakeup function it require. Besides,
it is also easy for service side to upgrade its logic when design is
changed and remain user side unchanged.

Signed-off-by: Ran Wang <redacted>
---
 drivers/soc/fsl/Kconfig   |   14 +++++
 drivers/soc/fsl/Makefile  |    1 +
 drivers/soc/fsl/plat_pm.c |  144
+++++++++++++++++++++++++++++++++++++++++++++
 include/soc/fsl/plat_pm.h |   22 +++++++
 4 files changed, 181 insertions(+), 0 deletions(-)
 create mode 100644 drivers/soc/fsl/plat_pm.c
 create mode 100644 include/soc/fsl/plat_pm.h

diff --git a/drivers/soc/fsl/Kconfig b/drivers/soc/fsl/Kconfig
index 7a9fb9b..6517412 100644
--- a/drivers/soc/fsl/Kconfig
+++ b/drivers/soc/fsl/Kconfig

@@ -16,3 +16,17 @@ config FSL_GUTS
 	  Initially only reading SVR and registering soc device are

supported.
 	  Other guts accesses, such as reading RCW, should eventually be
moved
 	  into this driver as well.