diff --git a/xyz/openbmc_project/Control/VoltageRegulatorMode.interface.yaml b/xyz/openbmc_project/Control/VoltageRegulatorMode.interface.yaml
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+++ b/xyz/openbmc_project/Control/VoltageRegulatorMode.interface.yaml
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+description: >
+    Implement to provide control of voltage regulator devices from dbus
+    Control.VoltageRegulatorProfile.Supported is read only.  Implementation of
+    the Supported property populates the list of supported modes.  In the case
+    where the VR has a well defined default, implementations should place the
+    default in index 0.
+    Control.VoltageRegulatorProfile.Current is read/write and sets the
+    implementation specific mode for the voltage regulator to run in.  The
+    definitions of said enum are implementation defined, as systems likely will
+    have a multitude of possible states.  Some examples of naming might be
+    "HighPower" or "LowPower" in the case of bipolar power states, or might be
+    something more complex like, "Profile 1", "Profile 2", "Profile 3" if the VR
+    itself defines the interfaces.
+    Implementations may implement this alongside to a VoltageRegulatorControl
+    interface, and may react to the results of changes to the Control interface.
+
+properties:
+    - name: Supported
+      type: array[string]
+      flags:
+          - readonly
+      description: >
+          An implementation specific list of supported modes that the voltage
+          regulator control application can be configured to provide for a
+          platform.
+    - name: Selected
+      type: string
+      default: "Default"
+      description: >
+          The current mode the voltage regulator control application should
+          use.  This can be read to verify the current mode, or written to
+          change to a new mode.