diff --git a/gpio-util/Makefile.am b/gpio-util/Makefile.am
index ea8c763..9bdc42d 100644
--- a/gpio-util/Makefile.am
+++ b/gpio-util/Makefile.am
@@ -5,4 +5,11 @@
 	phosphor-gpio-util
 
 phosphor_gpio_util_SOURCES = \
+	gpio.cpp \
 	main.cpp
+
+phosphor_gpio_util_LDADD = \
+	$(PHOSPHOR_LOGGING_LIBS)
+
+phosphor_gpio_util_CXXFLAGS = \
+	$(PHOSPHOR_LOGGING_CFLAGS)
diff --git a/gpio-util/gpio.cpp b/gpio-util/gpio.cpp
new file mode 100644
index 0000000..d5c2ce4
--- /dev/null
+++ b/gpio-util/gpio.cpp
@@ -0,0 +1,98 @@
+/**
+ * Copyright © 2017 IBM Corporation
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+#include <fcntl.h>
+#include <phosphor-logging/log.hpp>
+#include <sys/ioctl.h>
+#include "gpio.hpp"
+
+namespace phosphor
+{
+namespace gpio
+{
+
+using namespace phosphor::logging;
+
+void GPIO::set(Value value)
+{
+    assert(direction == Direction::output);
+
+    requestLine(value);
+
+    gpiohandle_data data{};
+    data.values[0] = static_cast<gpioValue_t>(value);
+
+    auto rc = ioctl(lineFD(), GPIOHANDLE_SET_LINE_VALUES_IOCTL, &data);
+    if (rc == -1)
+    {
+        auto e = errno;
+        log<level::ERR>("Failed SET_LINE_VALUES ioctl",
+                        entry("ERRNO=%d", e));
+        throw std::runtime_error("Failed SET_LINE_VALUES ioctl");
+    }
+}
+
+
+void GPIO::requestLine(Value defaultValue)
+{
+    //Only need to do this once
+    if (lineFD)
+    {
+        return;
+    }
+
+    FileDescriptor fd{open(device.c_str(), 0)};
+    if (fd() == -1)
+    {
+        auto e = errno;
+        log<level::ERR>("Failed opening GPIO device",
+                        entry("DEVICE=%s", device),
+                        entry("ERRNO=%d", e));
+        throw std::runtime_error("Failed opening GPIO device");
+    }
+
+    //Make an ioctl call to request the GPIO line, which will
+    //return the descriptor to use to access it.
+    gpiohandle_request request{};
+    strncpy(request.consumer_label,
+            "phosphor-gpio-util",
+            sizeof(request.consumer_label));
+
+    request.flags = (direction == Direction::output) ?
+        GPIOHANDLE_REQUEST_OUTPUT : GPIOHANDLE_REQUEST_INPUT;
+
+    request.lineoffsets[0] = gpio;
+    request.lines = 1;
+
+    if (direction == Direction::output)
+    {
+        request.default_values[0] = static_cast<gpioValue_t>(defaultValue);
+    }
+
+    auto rc = ioctl(fd(), GPIO_GET_LINEHANDLE_IOCTL, &request);
+    if (rc == -1)
+    {
+        auto e = errno;
+        log<level::ERR>("Failed GET_LINEHANDLE ioctl",
+                        entry("GPIO=%d", gpio),
+                        entry("ERRNO=%d", e));
+        throw std::runtime_error("Failed GET_LINEHANDLE ioctl");
+    }
+
+    lineFD.set(request.fd);
+}
+
+}
+}
diff --git a/gpio-util/gpio.hpp b/gpio-util/gpio.hpp
new file mode 100644
index 0000000..ba8cce3
--- /dev/null
+++ b/gpio-util/gpio.hpp
@@ -0,0 +1,108 @@
+#pragma once
+
+#include <linux/gpio.h>
+#include "file.hpp"
+
+namespace phosphor
+{
+namespace gpio
+{
+
+ typedef std::remove_reference<decltype(
+         gpiohandle_request::lineoffsets[0])>::type gpioNum_t;
+
+ typedef std::remove_reference<decltype(
+         gpiohandle_data::values[0])>::type gpioValue_t;
+
+/**
+ * Represents a GPIO.
+ *
+ * Operations are setting low or high.
+ *
+ * Read support may be added in the future.
+ */
+class GPIO
+{
+    public:
+
+        /**
+         * If the GPIO is an input or output
+         */
+        enum class Direction
+        {
+            input,
+            output
+        };
+
+        /**
+         * The possible values - low or high
+         */
+        enum class Value
+        {
+            low,
+            high
+        };
+
+        GPIO() = delete;
+        GPIO(const GPIO&) = delete;
+        GPIO(GPIO&&) = default;
+        GPIO& operator=(const GPIO&) = delete;
+        GPIO& operator=(GPIO&&) = default;
+        ~GPIO() = default;
+
+        /**
+         * Constructor
+         *
+         * @param[in] device - the GPIO device file
+         * @param[in] gpio - the GPIO number
+         * @param[in] direction - the GPIO direction
+         */
+        GPIO(const std::string& device,
+             gpioNum_t gpio,
+             Direction direction) :
+            device(device),
+            gpio(gpio),
+            direction(direction)
+        {
+        }
+
+        /**
+         * Sets the GPIO value
+         *
+         * Requests the GPIO line if it hasn't been done already.
+         */
+        void set(Value value);
+
+    private:
+
+        /**
+         * Requests a GPIO line from the GPIO device
+         *
+         * @param[in] defaultValue - The default value, required for
+         *                           output GPIOs only.
+         */
+        void requestLine(Value defaultValue = Value::high);
+
+        /**
+         * The GPIO device name, like /dev/gpiochip0
+         */
+        const std::string device;
+
+        /**
+         * The GPIO number
+         */
+        const gpioNum_t gpio;
+
+        /**
+         * The GPIO direction
+         */
+        const Direction direction;
+
+        /**
+         * File descriptor for the GPIO line
+         */
+        FileDescriptor lineFD;
+};
+
+}
+}