diff --git a/classes/openpower-dbus-interfaces.bbclass b/classes/openpower-dbus-interfaces.bbclass
new file mode 100644
index 0000000..f79cf07
--- /dev/null
+++ b/classes/openpower-dbus-interfaces.bbclass
@@ -0,0 +1 @@
+op_yaml_dir="${datadir}/openpower-dbus-interfaces/yaml"