Unlike the former i.MX Architectures, the new generation i.MX8 SoCs
(e.g. MX8QXP and MX8QM) contain a system controller which runs on a
dedicated Cortex-M core to provide power, clock, Pad, and resource
management. Communication between the host processor running
an OS and the system controller happens through a SCU protocol.
This patchset adds the SCU APIs which is implemented based on MU
and will be used by different system components.
It mainly consists of below parts:
1) SCU IPC
Basic IPC mechanism implemention based on mailbox which is used
for communication between AP and SCU firmware.
2) SCU IPC Service API
Dong Aisheng (5):
dt-bindings: arm: fsl: add scu binding doc
soc: imx: add SC firmware IPC and APIs
soc: imx: sc: add pm svc support
soc: imx: sc: add pad svc support
soc: imx: sc: add misc svc support
.../devicetree/bindings/arm/freescale/fsl,scu.txt | 179 ++++++
drivers/soc/imx/Kconfig | 4 +
drivers/soc/imx/Makefile | 1 +
drivers/soc/imx/sc/Makefile | 5 +
drivers/soc/imx/sc/main/ipc.c | 258 +++++++++
drivers/soc/imx/sc/main/rpc.h | 51 ++
drivers/soc/imx/sc/svc/misc/rpc_clnt.c | 106 ++++
drivers/soc/imx/sc/svc/pad/rpc_clnt.c | 82 +++
drivers/soc/imx/sc/svc/pm/rpc_clnt.c | 275 +++++++++
include/soc/imx/sc/ipc.h | 46 ++
include/soc/imx/sc/sci.h | 20 +
include/soc/imx/sc/svc/misc/api.h | 60 ++
include/soc/imx/sc/svc/pad/api.h | 60 ++
include/soc/imx/sc/svc/pm/api.h | 229 ++++++++
include/soc/imx/sc/types.h | 636 +++++++++++++++++++++
15 files changed, 2012 insertions(+)
create mode 100644 Documentation/devicetree/bindings/arm/freescale/fsl,scu.txt
create mode 100644 drivers/soc/imx/sc/Makefile
create mode 100644 drivers/soc/imx/sc/main/ipc.c
create mode 100644 drivers/soc/imx/sc/main/rpc.h
create mode 100644 drivers/soc/imx/sc/svc/misc/rpc_clnt.c
create mode 100644 drivers/soc/imx/sc/svc/pad/rpc_clnt.c
create mode 100644 drivers/soc/imx/sc/svc/pm/rpc_clnt.c
create mode 100644 include/soc/imx/sc/ipc.h
create mode 100644 include/soc/imx/sc/sci.h
create mode 100644 include/soc/imx/sc/svc/misc/api.h
create mode 100644 include/soc/imx/sc/svc/pad/api.h
create mode 100644 include/soc/imx/sc/svc/pm/api.h
create mode 100644 include/soc/imx/sc/types.h
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2.7.4