mailbox: add STMicroelectronics STM32 IPCC driver

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 <[email protected]> Signed-off-by: Ludovic Barre <[email protected]> Signed-off-by: Jassi Brar <[email protected]>
zarubaf · Jun 6, 2018 · ffbded7 · ffbded7
1 parent 8f51bb7
commit ffbded7
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diff --git a/drivers/mailbox/Kconfig b/drivers/mailbox/Kconfig
@@ -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
diff --git a/drivers/mailbox/Makefile b/drivers/mailbox/Makefile
@@ -38,3 +38,5 @@ obj-$(CONFIG_BCM_FLEXRM_MBOX)	+= bcm-flexrm-mailbox.o
 obj-$(CONFIG_QCOM_APCS_IPC)	+= qcom-apcs-ipc-mailbox.o
 
 obj-$(CONFIG_TEGRA_HSP_MBOX)	+= tegra-hsp.o
+
+obj-$(CONFIG_STM32_IPCC) 	+= stm32-ipcc.o
Original file line number	Diff line number	Diff line change
Expand Up		@@ -38,3 +38,5 @@ obj-$(CONFIG_BCM_FLEXRM_MBOX) += bcm-flexrm-mailbox.o
		obj-$(CONFIG_QCOM_APCS_IPC) += qcom-apcs-ipc-mailbox.o

		obj-$(CONFIG_TEGRA_HSP_MBOX) += tegra-hsp.o

		obj-$(CONFIG_STM32_IPCC) += stm32-ipcc.o