diff --git a/presence/Makefile.am b/presence/Makefile.am
index 8af030c..7cc80d4 100644
--- a/presence/Makefile.am
+++ b/presence/Makefile.am
@@ -7,6 +7,7 @@
 phosphor_gpio_presence_SOURCES = \
 	main.cpp \
 	argument.cpp \
+	../evdev.cpp \
 	gpio_presence.cpp
 
 phosphor_gpio_presence_CXXFLAGS = \
diff --git a/presence/gpio_presence.cpp b/presence/gpio_presence.cpp
index 0390af6..b87e139 100644
--- a/presence/gpio_presence.cpp
+++ b/presence/gpio_presence.cpp
@@ -60,44 +60,6 @@
     return mapperResponse.begin()->first;
 }
 
-// Populate the file descriptor for passed in device
-int Presence::openDevice()
-{
-    using namespace phosphor::logging;
-
-    auto fd = open(path.c_str(), O_RDONLY | O_NONBLOCK);
-    if (fd < 0)
-    {
-        log<level::ERR>("Failed to open device path",
-                        entry("DEVICEPATH=%s", path.c_str()),
-                        entry("ERRNO=%d", errno));
-        elog<InternalFailure>();
-    }
-    return fd;
-}
-
-// Initializes the event device with the fd
-void Presence::initEvDev()
-{
-    if (devicePtr)
-    {
-        // Init can be done only once per device
-        return;
-    }
-
-    struct libevdev* evdev = nullptr;
-    auto rc = libevdev_new_from_fd((fd)(), &evdev);
-    if (rc < 0)
-    {
-        log<level::ERR>("Failed to initialize evdev");
-        elog<InternalFailure>();
-        return;
-    }
-
-    // Packing in the unique_ptr
-    devicePtr.reset(evdev);
-}
-
 void Presence::determinePresence()
 {
     auto present = false;
@@ -213,21 +175,6 @@
     }
 }
 
-// Attaches the FD to event loop and registers the callback handler
-void Presence::registerCallback()
-{
-    decltype(eventSource.get()) sourcePtr = nullptr;
-    auto rc = sd_event_add_io(event.get(), &sourcePtr, (fd)(),
-                              EPOLLIN, callbackHandler, this);
-    eventSource.reset(sourcePtr);
-
-    if (rc < 0)
-    {
-        log<level::ERR>("Failed to register callback handler",
-                        entry("ERROR=%s", strerror(-rc)));
-        elog<InternalFailure>();
-    }
-}
 
 } // namespace presence
 } // namespace gpio
diff --git a/presence/gpio_presence.hpp b/presence/gpio_presence.hpp
index e8f68ca..986dbe6 100644
--- a/presence/gpio_presence.hpp
+++ b/presence/gpio_presence.hpp
@@ -1,8 +1,7 @@
 #pragma once
 #include <string>
 #include <systemd/sd-event.h>
-#include <libevdev/libevdev.h>
-#include "file.hpp"
+#include "evdev.hpp"
 
 namespace phosphor
 {
@@ -11,41 +10,12 @@
 namespace presence
 {
 
-/* Need a custom deleter for freeing up sd_event */
-struct EventDeleter
-{
-    void operator()(sd_event* event) const
-    {
-        event = sd_event_unref(event);
-    }
-};
-using EventPtr = std::unique_ptr<sd_event, EventDeleter>;
-
-/* Need a custom deleter for freeing up sd_event_source */
-struct EventSourceDeleter
-{
-    void operator()(sd_event_source* eventSource) const
-    {
-        eventSource = sd_event_source_unref(eventSource);
-    }
-};
-using EventSourcePtr = std::unique_ptr<sd_event_source, EventSourceDeleter>;
-
-/* Need a custom deleter for freeing up evdev struct */
-struct FreeEvDev
-{
-    void operator()(struct libevdev* device) const
-    {
-        libevdev_free(device);
-    }
-};
-using EvdevPtr = std::unique_ptr<struct libevdev, FreeEvDev>;
-
 /** @class Presence
- *  @brief Responsible for determining and monitoring presence of
- *  inventory items and updating D-Bus accordingly.
+ *  @brief Responsible for determining and monitoring presence,
+ *  by monitoring GPIO state changes, of inventory items and
+ *  updating D-Bus accordingly.
  */
-class Presence
+class Presence : public Evdev
 {
 
         using Property = std::string;
@@ -87,20 +57,12 @@
                  const std::string& name,
                  EventPtr& event,
                  sd_event_io_handler_t handler = Presence::processEvents) :
+            Evdev(path, key, event, handler, true),
             bus(bus),
             inventory(inventory),
-            path(path),
-            key(key),
-            name(name),
-            event(event),
-            callbackHandler(handler),
-            fd(openDevice())
-
+            name(name)
         {
-            initEvDev();
             determinePresence();
-            // Register callback handler when FD has some data
-            registerCallback();
         }
 
         /** @brief Callback handler when the FD has some activity on it
@@ -145,42 +107,11 @@
         /** @brief Object path under inventory to display this inventory item */
         const std::string inventory;
 
-        /** @brief Device path to read for GPIO pin state
-                   to determine presence of inventory item */
-        const std::string path;
-
-        /** @brief GPIO key to monitor */
-        const unsigned int key;
-
         /** @brief Pretty name of the inventory item*/
         const std::string name;
 
-        /** @brief Event structure */
-        EvdevPtr devicePtr;
-
-        /** @brief Monitor to sd_event */
-        EventPtr& event;
-
-        /** @brief Callback handler when the FD has some data */
-        sd_event_io_handler_t callbackHandler;
-
-        /** @brief event source */
-        EventSourcePtr eventSource;
-
-        /** @brief Opens the device and populates the descriptor */
-        int openDevice();
-
-        /** @brief attaches FD to events and sets up callback handler */
-        void registerCallback();
-
-        /** @brief File descriptor manager */
-        FileDescriptor fd;
-
         /** @brief Analyzes the GPIO event and update present property*/
         void analyzeEvent();
-
-        /** @brief Initializes evdev handle with the fd */
-        void initEvDev();
 };
 
 /**