1 files changed, 19 insertions, 0 deletions

diff --git a/drivers/mailbox/Kconfig b/drivers/mailbox/Kconfig
new file mode 100644
index 000000000000..9545c9f03809
--- /dev/null
+++ b/drivers/mailbox/Kconfig
@@ -0,0 +1,19 @@
+menuconfig MAILBOX
+        bool "Mailbox Hardware Support"
+        help
+          Mailbox is a framework to control hardware communication between
+          on-chip processors through queued messages and interrupt driven
+          signals. Say Y if your platform supports hardware mailboxes.
+
+if MAILBOX
+config PL320_MBOX
+        bool "ARM PL320 Mailbox"
+        depends on ARM_AMBA
+        help
+          An implementation of the ARM PL320 Interprocessor Communication
+          Mailbox (IPCM), tailored for the Calxeda Highbank. It is used to
+          send short messages between Highbank's A9 cores and the EnergyCore
+          Management Engine, primarily for cpufreq. Say Y here if you want
+          to use the PL320 IPCM support.
+
+endif