linux-kernel - [PATCH v3 0/3] mailbox: add samsung exynos driver

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Message-ID: <20241205174137.190545-1-tudor.ambarus@linaro.org>
Date: Thu,  5 Dec 2024 17:41:34 +0000
From: Tudor Ambarus <tudor.ambarus@...aro.org>
To: jassisinghbrar@...il.com,
	robh@...nel.org,
	krzk+dt@...nel.org,
	conor+dt@...nel.org,
	alim.akhtar@...sung.com
Cc: linux-kernel@...r.kernel.org,
	linux-samsung-soc@...r.kernel.org,
	devicetree@...r.kernel.org,
	linux-arm-kernel@...ts.infradead.org,
	andre.draszik@...aro.org,
	kernel-team@...roid.com,
	willmcvicker@...gle.com,
	peter.griffin@...aro.org,
	Tudor Ambarus <tudor.ambarus@...aro.org>
Subject: [PATCH v3 0/3] mailbox: add samsung exynos driver

Hi,

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.

I mark this as v3 because it is a continuation of:
https://lore.kernel.org/linux-arm-kernel/20241017163649.3007062-1-tudor.ambarus@linaro.org/

Changes in v3:
- decouple the mailbox controller driver from the ACPM protocol driver
- address Krzysztof's eview comments 

Thanks,
ta

Tudor Ambarus (3):
  dt-bindings: mailbox: add bindings for samsung,exynos
  mailbox: add samsung exynos driver
  MAINTAINERS: add entry for samsung exynos mailbox driver

 .../bindings/mailbox/samsung,exynos.yaml      |  70 +++++++++
 MAINTAINERS                                   |   9 ++
 drivers/mailbox/Kconfig                       |  11 ++
 drivers/mailbox/Makefile                      |   2 +
 drivers/mailbox/exynos-mailbox.c              | 143 ++++++++++++++++++
 5 files changed, 235 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/mailbox/samsung,exynos.yaml
 create mode 100644 drivers/mailbox/exynos-mailbox.c

-- 
2.47.0.338.g60cca15819-goog