On Sun, Sep 30, 2018 at 03:26:30PM +0800, Shawn Guo wrote:

On Sun, Sep 30, 2018 at 08:48:33AM +0800, Dong Aisheng wrote:

quoted

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 (3):
  dt-bindings: arm: fsl: add scu binding doc
  firmware: imx: add SCU firmware driver support
  firmware: imx: add misc svc support

Applied all, thanks.

I dropped the series for now because ...

quoted

 .../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                     | 270 +++++++++
 drivers/firmware/imx/misc.c                        |  99 ++++
 include/soc/imx/scu/ipc.h                          |  59 ++
 include/soc/imx/scu/sci.h                          |  17 +
 include/soc/imx/scu/svc/misc.h                     |  55 ++
 include/soc/imx/scu/types.h                        | 617 +++++++++++++++++++++

... I'm not sure the scu folder should be created under include/soc/imx/
or include/linux/firmware/imx/ like meson platform.  I would like to
hear more opinions.

Shawn