diff --git a/include/linux/irqdomain.h b/include/linux/irqdomain.h
index b4a74f7..d3ca792 100644
--- a/include/linux/irqdomain.h
+++ b/include/linux/irqdomain.h
@@ -56,6 +56,7 @@
 	DOMAIN_BUS_ANY		= 0,
 	DOMAIN_BUS_PCI_MSI,
 	DOMAIN_BUS_PLATFORM_MSI,
+	DOMAIN_BUS_NEXUS,
 };
 
 /**