Upgrade D-Bus API about Buttons from “/org/openbmc” to
“/xyz/openbmc_project”

According to the DEPRECATED API doc, the “/org/openbmc” API is
deprecated in the future.
Please refer:
https://github.com/openbmc/docs/blob/master/deprecated/dbus-interfaces.md

xyz.openbmc_project.Chassis.Buttons exposes the operation methods of the
buttons on the front panal like Power/Reset/ID, and the signals like
pressed/released to dbus, so that other modules could monitor/control
these buttons remotely like WebUI.


Change-Id: Iaf8990d19633d2df2beeb4b2c22f30f1abad6a45
Signed-off-by: Kuiying Wang <kuiying.wang@intel.com>
diff --git a/xyz/openbmc_project/Chassis/Buttons/Power.interface.yaml b/xyz/openbmc_project/Chassis/Buttons/Power.interface.yaml
new file mode 100644
index 0000000..dc1c5ab
--- /dev/null
+++ b/xyz/openbmc_project/Chassis/Buttons/Power.interface.yaml
@@ -0,0 +1,27 @@
+description: >
+    Power button control service
+methods:
+    - name: simPress
+      description: >
+        Emulate power button press.
+      errors:
+       - xyz.openbmc_project.Chassis.Common.Error.UnsupportedCommand
+       - xyz.openbmc_project.Chassis.Common.Error.IOError
+
+    - name: simLongPress
+      description: >
+        Emulate power button long press.
+      errors:
+       - xyz.openbmc_project.Chassis.Common.Error.UnsupportedCommand
+       - xyz.openbmc_project.Chassis.Common.Error.IOError
+
+signals:
+    - name: Released
+      description: >
+        Power button released signal
+    - name: Pressed
+      description: >
+        Power button pressed signal
+    - name: PressedLong
+      description: >
+        Power button long pressed signal