1 files changed, 12 insertions, 0 deletions

diff --git a/drivers/mailbox/Kconfig b/drivers/mailbox/Kconfig
index 9fd9c6717e0c..c04fed9eb15d 100644
--- a/drivers/mailbox/Kconfig
+++ b/drivers/mailbox/Kconfig
@@ -33,4 +33,16 @@ config OMAP_MBOX_KFIFO_SIZE
           Specify the default size of mailbox's kfifo buffers (bytes).
           This can also be changed at runtime (via the mbox_kfifo_size
           module parameter).
+
+config PCC
+        bool "Platform Communication Channel Driver"
+        depends on ACPI
+        help
+          ACPI 5.0+ spec defines a generic mode of communication
+          between the OS and a platform such as the BMC. This medium
+          (PCC) is typically used by CPPC (ACPI CPU Performance management),
+          RAS (ACPI reliability protocol) and MPST (ACPI Memory power
+          states). Select this driver if your platform implements the
+          PCC clients mentioned above.
+
 endif