[PATCH v5 2/3] mailbox: add Samsung Exynos driver

[Krzysztof Kozlowski]

On Tue, Dec 17, 2024 at 09:40:21AM +0000, Tudor Ambarus wrote:
> The Samsung Exynos mailbox controller has 16 flag bits for hardware
> interrupt generation and a shared register for passing mailbox messages.
> When the controller is used by the ACPM protocol the shared register is
> ignored and the mailbox controller acts as a doorbell. The controller
> just raises the interrupt to APM after the ACPM protocol has written
> the message to SRAM.
> 
> Add support for the Samsung Exynos mailbox controller.
> 
> Signed-off-by: Tudor Ambarus <tudor.ambarus at linaro.org>
> ---
>  drivers/mailbox/Kconfig          |  11 +++
>  drivers/mailbox/Makefile         |   2 +
>  drivers/mailbox/exynos-mailbox.c | 184 +++++++++++++++++++++++++++++++++++++++
>  3 files changed, 197 insertions(+)

Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski at linaro.org>

Best regards,
Krzysztof