Commit ca1a8680 authored by Cristian Marussi's avatar Cristian Marussi Committed by Jassi Brar
Browse files

mailbox: arm_mhuv3: Add driver 



Add support for ARM MHUv3 mailbox controller.

Support is limited to the MHUv3 Doorbell extension using only the PBX/MBX
combined interrupts.

Signed-off-by: default avatarCristian Marussi <cristian.marussi@arm.com>
Signed-off-by: default avatarJassi Brar <jassisinghbrar@gmail.com>
parent cd251970

MAINTAINERS

+9 −0
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@@ -12994,6 +12994,15 @@ F: Documentation/devicetree/bindings/mailbox/arm,mhuv2.yaml 
F:	drivers/mailbox/arm_mhuv2.c

F:	include/linux/mailbox/arm_mhuv2_message.h









MAILBOX ARM MHUv3









M:	Sudeep Holla <sudeep.holla@arm.com>









M:	Cristian Marussi <cristian.marussi@arm.com>









L:	linux-kernel@vger.kernel.org









L:	linux-arm-kernel@lists.infradead.org (moderated for non-subscribers)









S:	Maintained









F:	Documentation/devicetree/bindings/mailbox/arm,mhuv3.yaml









F:	drivers/mailbox/arm_mhuv3.c

















MAN-PAGES: MANUAL PAGES FOR LINUX -- Sections 2, 3, 4, 5, and 7









M:	Alejandro Colomar <alx@kernel.org>









L:	linux-man@vger.kernel.org
































drivers/mailbox/Kconfig



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@@ -23,6 +23,18 @@ config ARM_MHU_V2







	  Say Y here if you want to build the ARM MHUv2 controller driver,









	  which provides unidirectional mailboxes between processing elements.



















config ARM_MHU_V3









	tristate "ARM MHUv3 Mailbox"









	depends on HAS_IOMEM || COMPILE_TEST









	depends on OF









	help









	  Say Y here if you want to build the ARM MHUv3 controller driver,









	  which provides unidirectional mailboxes between processing elements.



















	  ARM MHUv3 controllers can implement a varying number of extensions









	  that provides different means of transports: supported extensions









	  will be discovered and possibly managed at probe-time.



















config IMX_MBOX









	tristate "i.MX Mailbox"









	depends on ARCH_MXC || COMPILE_TEST
































drivers/mailbox/Makefile



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@@ -9,6 +9,8 @@ obj-$(CONFIG_ARM_MHU)	+= arm_mhu.o arm_mhu_db.o

















obj-$(CONFIG_ARM_MHU_V2)	+= arm_mhuv2.o



















obj-$(CONFIG_ARM_MHU_V3)	+= arm_mhuv3.o



















obj-$(CONFIG_IMX_MBOX)	+= imx-mailbox.o



















obj-$(CONFIG_ARMADA_37XX_RWTM_MBOX)	+= armada-37xx-rwtm-mailbox.o
































drivers/mailbox/arm_mhuv3.c
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