mailbox: Add Altera mailbox driver
The Altera mailbox allows for interprocessor communication. It supports
only one channel and work as either sender or receiver.
Signed-off-by: Ley Foon Tan <lftan@altera.com>
diff --git a/drivers/mailbox/Kconfig b/drivers/mailbox/Kconfig
index c04fed9..84325f2 100644
--- a/drivers/mailbox/Kconfig
+++ b/drivers/mailbox/Kconfig
@@ -45,4 +45,10 @@
states). Select this driver if your platform implements the
PCC clients mentioned above.
+config ALTERA_MBOX
+ tristate "Altera Mailbox"
+ help
+ An implementation of the Altera Mailbox soft core. It is used
+ to send message between processors. Say Y here if you want to use the
+ Altera mailbox support.
endif