[PATCH 3/6] mailbox: add PolarFire SoC mailbox driver

[Leo Liang]

On Fri, Aug 01, 2025 at 01:36:23PM +0100, Jamie Gibbons wrote:
> This driver adds support for the single mailbox channel of the MSS
> system controller on the Microchip PolarFire SoC.
> 
> Signed-off-by: Jamie Gibbons <jamie.gibbons at microchip.com>
> ---
>  drivers/mailbox/Kconfig     |   7 ++
>  drivers/mailbox/Makefile    |   1 +
>  drivers/mailbox/mpfs-mbox.c | 177 ++++++++++++++++++++++++++++++++++++
>  include/mpfs-mailbox.h      |  67 ++++++++++++++
>  4 files changed, 252 insertions(+)
>  create mode 100644 drivers/mailbox/mpfs-mbox.c
>  create mode 100644 include/mpfs-mailbox.h

Acked-by: Leo Yu-Chi Liang <ycliang at andestech.com>