diff --git a/Source/OpenTK/Platform/SDL2/Sdl2.cs b/Source/OpenTK/Platform/SDL2/Sdl2.cs
index 163d393b..5aa6dad4 100644
--- a/Source/OpenTK/Platform/SDL2/Sdl2.cs
+++ b/Source/OpenTK/Platform/SDL2/Sdl2.cs
@@ -137,7 +137,28 @@ namespace OpenTK.Platform.SDL2
         [DllImport(lib, CallingConvention = CallingConvention.Cdecl, EntryPoint = "SDL_GameControllerGetAxis", ExactSpelling = true)]
         public static extern short GameControllerGetAxis(IntPtr gamecontroller, GameControllerAxis axis);
 
-        /// <summary>>
+        /// <summary>
+        /// Gets the SDL joystick layer binding for the specified game controller axis
+        /// </summary>
+        /// <param name="gamecontroller">Pointer to a game controller instance returned by <c>GameControllerOpen</c>.</param>
+        /// <param name="axis">A value from the <c>GameControllerAxis</c> enumeration</param>
+        /// <returns>A GameControllerButtonBind instance describing the specified binding</returns>
+        [SuppressUnmanagedCodeSecurity]
+        [DllImport(lib, CallingConvention = CallingConvention.Cdecl, EntryPoint = "SDL_GameControllerGetBindForAxis", ExactSpelling = true)]
+        public static extern GameControllerButtonBind GameControllerGetBindForAxis(IntPtr gamecontroller, GameControllerAxis axis);
+
+        /// <summary>
+        /// Gets the SDL joystick layer binding for the specified game controller button
+        /// </summary>
+        /// <param name="gamecontroller">Pointer to a game controller instance returned by <c>GameControllerOpen</c>.</param>
+        /// <param name="axis">A value from the <c>GameControllerButton</c> enumeration</param>
+        /// <returns>A GameControllerButtonBind instance describing the specified binding</returns>
+        [SuppressUnmanagedCodeSecurity]
+        [DllImport(lib, CallingConvention = CallingConvention.Cdecl, EntryPoint = "SDL_GameControllerGetBindForButton", ExactSpelling = true)]
+        public static extern GameControllerButtonBind GameControllerGetBindForButton(
+            IntPtr gamecontroller, GameControllerButton button);
+
+        /// <summary>
         /// Gets the current state of a button on a game controller.
         /// </summary>
         /// <param name="gamecontroller">A game controller handle previously opened with <c>GameControllerOpen</c>.</param>
@@ -147,6 +168,15 @@ namespace OpenTK.Platform.SDL2
         [DllImport(lib, CallingConvention = CallingConvention.Cdecl, EntryPoint = "SDL_GameControllerGetButton", ExactSpelling = true)]
         public static extern bool GameControllerGetButton(IntPtr gamecontroller, GameControllerButton button);
 
+        /// <summary>
+        /// Retrieve the joystick handle that corresponds to the specified game controller.
+        /// </summary>
+        /// <param name="gamecontroller">A game controller handle previously opened with <c>GameControllerOpen</c>.</param>
+        /// <returns>A handle to a joystick, or IntPtr.Zero in case of error. The pointer is owned by the callee. Use <c>SDL.GetError</c> to retrieve error information</returns>
+        [SuppressUnmanagedCodeSecurity]
+        [DllImport(lib, CallingConvention = CallingConvention.Cdecl, EntryPoint = "SDL_GameControllerGetJoystick", ExactSpelling = true)]
+        public static extern IntPtr GameControllerGetJoystick(IntPtr gamecontroller);
+
         /// <summary>
         /// Opens a game controller for use.
         /// </summary>
@@ -587,6 +617,14 @@ namespace OpenTK.Platform.SDL2
         Max
     }
 
+    enum GameControllerBindType : byte
+    {
+        None = 0,
+        Button,
+        Axis,
+        Hat
+    }
+
     [Flags]
     enum HatPosition : byte
     {
@@ -1277,6 +1315,21 @@ namespace OpenTK.Platform.SDL2
 #endif
     }
 
+    [StructLayout(LayoutKind.Explicit)]
+    struct GameControllerButtonBind
+    {
+        [FieldOffset(0)]
+        public GameControllerBindType BindType;
+        [FieldOffset(4)]
+        public Button Button;
+        [FieldOffset(4)]
+        public GameControllerAxis Axis;
+        [FieldOffset(4)]
+        public int Hat;
+        [FieldOffset(8)]
+        public int HatMask;
+    }
+
     struct JoyAxisEvent
     {
         public EventType Type;