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
v8->v9:
* only scu headfile path update from include/soc/imx to
include/linux/firmware/imx
Dong Aisheng (3):
dt-bindings: arm: fsl: add scu binding doc
firmware: imx: add SCU firmware driver support
firmware: imx: add misc svc support
.../devicetree/bindings/arm/freescale/fsl,scu.txt | 183 ++++++
drivers/firmware/Kconfig | 1 +
drivers/firmware/Makefile | 1 +
drivers/firmware/imx/Kconfig | 11 +
drivers/firmware/imx/Makefile | 2 +
drivers/firmware/imx/imx-scu.c | 269 +++++++++
drivers/firmware/imx/misc.c | 99 ++++
include/linux/firmware/imx/ipc.h | 59 ++
include/linux/firmware/imx/sci.h | 17 +
include/linux/firmware/imx/svc/misc.h | 55 ++
include/linux/firmware/imx/types.h | 617 +++++++++++++++++++++
11 files changed, 1314 insertions(+)
create mode 100644 Documentation/devicetree/bindings/arm/freescale/fsl,scu.txt
create mode 100644 drivers/firmware/imx/Kconfig
create mode 100644 drivers/firmware/imx/Makefile
create mode 100644 drivers/firmware/imx/imx-scu.c
create mode 100644 drivers/firmware/imx/misc.c
create mode 100644 include/linux/firmware/imx/ipc.h
create mode 100644 include/linux/firmware/imx/sci.h
create mode 100644 include/linux/firmware/imx/svc/misc.h
create mode 100644 include/linux/firmware/imx/types.h
--
2.7.4