add hwmon dbus object
diff --git a/xml/openbmc_intf.xml b/xml/openbmc_intf.xml
index 2e0103b..e86a484 100644
--- a/xml/openbmc_intf.xml
+++ b/xml/openbmc_intf.xml
@@ -5,6 +5,10 @@
<arg name="interface_name" type="s"/>
</signal>
</interface>
+ <interface name="org.openbmc.Hwmon">
+ <property name="poll_interval" type="i" access="read"/>
+ <property name="sysfs_path" type="s" access="read"/>
+ </interface>
<interface name="org.openbmc.Fan">
<method name="setCoolingZone">
<arg name="cooling_zone" type="i" direction="in"/>