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@xxxxxxxxxx> > --- > 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@xxxxxxxxxx> Best regards, Krzysztof