diff --git a/yaml/xyz/openbmc_project/Debug/Pid/ThermalPower.interface.yaml b/yaml/xyz/openbmc_project/Debug/Pid/ThermalPower.interface.yaml
new file mode 100644
index 0000000..eda0ce7
--- /dev/null
+++ b/yaml/xyz/openbmc_project/Debug/Pid/ThermalPower.interface.yaml
@@ -0,0 +1,41 @@
+description: >
+    Implement to show the states of the first PID control loop(thermal/power).
+
+properties:
+    - name: Leader
+      type: string
+      flags:
+          - readonly
+      description: >
+          This means the name of the thermal sensor that is the highest temp in
+          input sensor list.
+
+    - name: ClassType
+      type: string
+      flags:
+          - readonly
+      description: >
+          The class of this PID loop. It can be "Temperature", "Margin", "Power"
+          or "PowerSum".
+
+    - name: Setpoint
+      type: double
+      flags:
+          - readonly
+      description: >
+          This pid config's setpoint.
+
+    - name: Input
+      type: double
+      flags:
+          - readonly
+      description: >
+          The "Leader" sensor reading.
+
+    - name: Output
+      type: double
+      flags:
+          - readonly
+      description: >
+          This property is the thermal PID loop result. This data doesn't have
+          static unit, it can be RPM or PWM depending on PID parameter settings.
diff --git a/yaml/xyz/openbmc_project/Debug/Pid/Zone.interface.yaml b/yaml/xyz/openbmc_project/Debug/Pid/Zone.interface.yaml
new file mode 100644
index 0000000..076d4fc
--- /dev/null
+++ b/yaml/xyz/openbmc_project/Debug/Pid/Zone.interface.yaml
@@ -0,0 +1,11 @@
+description: >
+    Implement to show the states of the zone.
+
+properties:
+    - name: Leader
+      type: string
+      flags:
+          - readonly
+      description: >
+          This means the name of the thermal/Power PID config that is driving
+          the fans.