diff --git a/drivers/mailbox/Makefile b/drivers/mailbox/Makefile
index b602ef8..2310e99 100644
--- a/drivers/mailbox/Makefile
+++ b/drivers/mailbox/Makefile
@@ -19,3 +19,5 @@
 obj-$(CONFIG_STI_MBOX)		+= mailbox-sti.o
 
 obj-$(CONFIG_XGENE_SLIMPRO_MBOX) += mailbox-xgene-slimpro.o
+
+obj-$(CONFIG_HI6220_MBOX)	+= hi6220-mailbox.o