diff --git a/phosphor-regulators/src/device.cpp b/phosphor-regulators/src/device.cpp
index 3e7d5a4..dd662c9 100644
--- a/phosphor-regulators/src/device.cpp
+++ b/phosphor-regulators/src/device.cpp
@@ -16,6 +16,9 @@
 
 #include "device.hpp"
 
+#include "chassis.hpp"
+#include "system.hpp"
+
 namespace phosphor::power::regulators
 {
 
@@ -31,4 +34,19 @@
     }
 }
 
+void Device::configure(System& system, Chassis& chassis)
+{
+    // If configuration changes are defined for this device, apply them
+    if (configuration)
+    {
+        configuration->execute(system, chassis, *this);
+    }
+
+    // Configure rails
+    for (std::unique_ptr<Rail>& rail : rails)
+    {
+        rail->configure(system, chassis, *this);
+    }
+}
+
 } // namespace phosphor::power::regulators
diff --git a/phosphor-regulators/src/device.hpp b/phosphor-regulators/src/device.hpp
index 919899a..e9369fc 100644
--- a/phosphor-regulators/src/device.hpp
+++ b/phosphor-regulators/src/device.hpp
@@ -29,6 +29,10 @@
 namespace phosphor::power::regulators
 {
 
+// Forward declarations to avoid circular dependencies
+class Chassis;
+class System;
+
 /**
  * @class Device
  *
@@ -82,6 +86,22 @@
     void addToIDMap(IDMap& idMap);
 
     /**
+     * Configure this device.
+     *
+     * Applies the configuration changes that are defined for this device, if
+     * any.
+     *
+     * Also configures the voltage rails produced by this device, if any.
+     *
+     * This method should be called during the boot before regulators are
+     * enabled.
+     *
+     * @param system system that contains the chassis
+     * @param chassis chassis that contains this device
+     */
+    void configure(System& system, Chassis& chassis);
+
+    /**
      * Returns the configuration changes to apply to this device, if any.
      *
      * @return Pointer to Configuration object.  Will equal nullptr if no