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mailbox: add STMicroelectronics STM32 IPCC driver

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The STMicroelectronics STM32 Inter-Processor Communication Controller
(IPCC) is used for communicating data between two processors.
It provides a non blocking signaling mechanism to post and retrieve
communication data in an atomic way.

Signed-off-by: Fabien Dessenne <fabien.dessenne@st.com>
Signed-off-by: Ludovic Barre <ludovic.barre@st.com>
Signed-off-by: Jassi Brar <jaswinder.singh@linaro.org>
This commit is contained in:
Fabien Dessenne
2018-05-31 10:27:25 +02:00
committed by Jassi Brar
parent 8f51bb7cae
commit ffbded7dee
3 changed files with 412 additions and 0 deletions
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8
drivers/mailbox/Kconfig
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@@ -177,4 +177,12 @@ config BCM_FLEXRM_MBOX
Mailbox implementation of the Broadcom FlexRM ring manager,
which provides access to various offload engines on Broadcom
SoCs. Say Y here if you want to use the Broadcom FlexRM.
config STM32_IPCC
tristate "STM32 IPCC Mailbox"
depends on MACH_STM32MP157
help
Mailbox implementation for STMicroelectonics STM32 family chips
with hardware for Inter-Processor Communication Controller (IPCC)
between processors. Say Y here if you want to have this support.
endif