diff --git a/include/linux/irqdomain.h b/include/linux/irqdomain.h
index 04579d9fbce4..0934d06c8b00 100644
--- a/include/linux/irqdomain.h
+++ b/include/linux/irqdomain.h
@@ -74,6 +74,7 @@ enum irq_domain_bus_token {
 	DOMAIN_BUS_PCI_MSI,
 	DOMAIN_BUS_PLATFORM_MSI,
 	DOMAIN_BUS_NEXUS,
+	DOMAIN_BUS_FSL_MC_MSI,
 };
 
 /**