diff --git a/inc/gpio.hpp b/inc/gpio.hpp
index ca83082..ba4b8ad 100644
--- a/inc/gpio.hpp
+++ b/inc/gpio.hpp
@@ -16,13 +16,40 @@
 #pragma once
 
 #include <sdbusplus/bus.hpp>
+#include <string>
+#include <vector>
 
-int configGpio(const char* gpioName, int* fd, sdbusplus::bus::bus& bus);
-void closeGpio(int fd);
-bool gpioDefined(const std::string& gpioName);
-
-template <typename T>
-bool hasGpio()
+// this struct has the gpio config for single gpio
+struct gpioInfo
 {
-    return gpioDefined(T::getGpioName());
-}
+    int fd; // io fd mapped with the gpio
+    uint32_t number;
+    std::string direction;
+};
+
+// this struct represents button interface
+struct buttonConfig
+{
+    std::string formFactorName;  // name of the button interface
+    std::vector<gpioInfo> gpios; // holds single or group gpio config
+                                 // corresponding to button interface
+};
+
+/**
+ * @brief iterates over the list of gpios and configures gpios them
+ * config which is set from gpio defs json file.
+ * The fd of the configured gpio is stored in buttonConfig.gpios container
+ * @return int returns 0 on successful config of all gpios
+ */
+
+int configGroupGpio(sdbusplus::bus::bus& bus, buttonConfig& buttonCfg);
+
+/**
+ * @brief  configures and initializes the single gpio
+ * @return int returns 0 on successful config of all gpios
+ */
+
+int configGpio(sdbusplus::bus::bus& bus, gpioInfo& gpioConfig);
+
+uint32_t getGpioNum(const std::string& gpioPin);
+void closeGpio(int fd);
diff --git a/inc/id_button.hpp b/inc/id_button.hpp
index 8116185..cb32125 100644
--- a/inc/id_button.hpp
+++ b/inc/id_button.hpp
@@ -32,17 +32,20 @@
 {
 
     IDButton(sdbusplus::bus::bus& bus, const char* path, EventPtr& event,
+             buttonConfig& buttonCfg,
              sd_event_io_handler_t handler = IDButton::EventHandler) :
         sdbusplus::server::object::object<
             sdbusplus::xyz::openbmc_project::Chassis::Buttons::server::ID>(
             bus, path),
-        fd(-1), bus(bus), event(event), callbackHandler(handler)
+        fd(-1), buttonIFConfig(buttonCfg), bus(bus), event(event),
+        callbackHandler(handler)
     {
 
         int ret = -1;
 
-        // config gpio
-        ret = ::configGpio(ID_BUTTON, &fd, bus);
+        // config group gpio based on the gpio defs read from the json file
+        ret = configGroupGpio(bus, buttonIFConfig);
+
         if (ret < 0)
         {
             phosphor::logging::log<phosphor::logging::level::ERR>(
@@ -50,6 +53,9 @@
             throw sdbusplus::xyz::openbmc_project::Chassis::Common::Error::
                 IOError();
         }
+        // initialize the button io fd from the buttonConfig
+        // which has fd stored when configGroupGpio is called
+        fd = buttonIFConfig.gpios[0].fd;
 
         char buf;
         ::read(fd, &buf, sizeof(buf));
@@ -73,7 +79,7 @@
 
     void simPress() override;
 
-    static const char* getGpioName()
+    static const std::string getGpioName()
     {
         return ID_BUTTON;
     }
@@ -142,6 +148,7 @@
 
   private:
     int fd;
+    buttonConfig buttonIFConfig;
     sdbusplus::bus::bus& bus;
     EventPtr& event;
     sd_event_io_handler_t callbackHandler;
diff --git a/inc/power_button.hpp b/inc/power_button.hpp
index e71d9f1..283b149 100644
--- a/inc/power_button.hpp
+++ b/inc/power_button.hpp
@@ -33,17 +33,20 @@
 {
 
     PowerButton(sdbusplus::bus::bus& bus, const char* path, EventPtr& event,
+                buttonConfig& buttonCfg,
                 sd_event_io_handler_t handler = PowerButton::EventHandler) :
         sdbusplus::server::object::object<
             sdbusplus::xyz::openbmc_project::Chassis::Buttons::server::Power>(
             bus, path),
-        fd(-1), bus(bus), event(event), callbackHandler(handler)
+        fd(-1), buttonIFConfig(buttonCfg), bus(bus), event(event),
+        callbackHandler(handler)
     {
 
         int ret = -1;
 
-        // config gpio
-        ret = ::configGpio(POWER_BUTTON, &fd, bus);
+        // config group gpio based on the gpio defs read from the json file
+        ret = configGroupGpio(bus, buttonIFConfig);
+
         if (ret < 0)
         {
             phosphor::logging::log<phosphor::logging::level::ERR>(
@@ -52,6 +55,10 @@
                 IOError();
         }
 
+        // initialize the button io fd from the buttonConfig
+        // which has fd stored when configGroupGpio is called
+        fd = buttonIFConfig.gpios[0].fd;
+
         char buf;
         ::read(fd, &buf, sizeof(buf));
 
@@ -75,7 +82,7 @@
     void simPress() override;
     void simLongPress() override;
 
-    static const char* getGpioName()
+    static const std::string getGpioName()
     {
         return POWER_BUTTON;
     }
@@ -168,6 +175,7 @@
 
   private:
     int fd;
+    buttonConfig buttonIFConfig; // button iface io details
     sdbusplus::bus::bus& bus;
     EventPtr& event;
     sd_event_io_handler_t callbackHandler;
diff --git a/inc/reset_button.hpp b/inc/reset_button.hpp
index 5066bb1..478628b 100644
--- a/inc/reset_button.hpp
+++ b/inc/reset_button.hpp
@@ -32,17 +32,20 @@
 {
 
     ResetButton(sdbusplus::bus::bus& bus, const char* path, EventPtr& event,
+                buttonConfig& buttonCfg,
                 sd_event_io_handler_t handler = ResetButton::EventHandler) :
         sdbusplus::server::object::object<
             sdbusplus::xyz::openbmc_project::Chassis::Buttons::server::Reset>(
             bus, path),
-        fd(-1), bus(bus), event(event), callbackHandler(handler)
+        fd(-1), buttonIFConfig(buttonCfg), bus(bus), event(event),
+        callbackHandler(handler)
     {
 
         int ret = -1;
 
-        // config gpio
-        ret = ::configGpio(RESET_BUTTON, &fd, bus);
+        // config group gpio based on the gpio defs read from the json file
+        ret = configGroupGpio(bus, buttonIFConfig);
+
         if (ret < 0)
         {
             phosphor::logging::log<phosphor::logging::level::ERR>(
@@ -51,6 +54,10 @@
                 IOError();
         }
 
+        // initialize the button io fd from the buttonConfig
+        // which has fd stored when configGroupGpio is called
+        fd = buttonIFConfig.gpios[0].fd;
+
         char buf;
         ::read(fd, &buf, sizeof(buf));
 
@@ -73,7 +80,7 @@
 
     void simPress() override;
 
-    static const char* getGpioName()
+    static const std::string getGpioName()
     {
         return RESET_BUTTON;
     }
@@ -142,6 +149,7 @@
 
   private:
     int fd;
+    buttonConfig buttonIFConfig; // button iface io details
     sdbusplus::bus::bus& bus;
     EventPtr& event;
     sd_event_io_handler_t callbackHandler;