Index: src/hid/OHEvdevGamepad.m
==================================================================
--- src/hid/OHEvdevGamepad.m
+++ src/hid/OHEvdevGamepad.m
@@ -45,11 +45,11 @@
 		    self.rightTriggerButton == nil ||
 		    self.leftThumbstickButton == nil ||
 		    self.rightThumbstickButton == nil ||
 		    self.menuButton == nil || self.optionsButton == nil ||
 		    self.homeButton == nil || self.leftThumbstick == nil ||
-		    self.rightThumbstick == nil || self.directionalPad == nil)
+		    self.rightThumbstick == nil || self.dPad == nil)
 			@throw [OFInvalidArgumentException exception];
 
 		objc_autoreleasePoolPop(pool);
 	} @catch (id e) {
 		[self release];
@@ -93,11 +93,11 @@
     directionalPads
 {
 	return [OFDictionary dictionaryWithKeysAndObjects:
 	    @"Left Thumbstick", self.leftThumbstick,
 	    @"Right Thumbstick", self.rightThumbstick,
-	    @"D-Pad", self.directionalPad, nil];
+	    @"D-Pad", self.dPad, nil];
 }
 
 - (OHGameControllerButton *)northButton
 {
 	return [_rawProfile.buttons objectForKey: @"Y"];
@@ -201,11 +201,11 @@
 	    initWithName: @"Right Thumbstick"
 		   xAxis: xAxis
 		   yAxis: yAxis] autorelease];
 }
 
-- (OHGameControllerDirectionalPad *)directionalPad
+- (OHGameControllerDirectionalPad *)dPad
 {
 	OHGameControllerAxis *xAxis = [_rawProfile.axes objectForKey: @"HAT0X"];
 	OHGameControllerAxis *yAxis = [_rawProfile.axes objectForKey: @"HAT0Y"];
 	OHGameControllerButton *upButton, *downButton;
 	OHGameControllerButton *leftButton, *rightButton;

Index: src/hid/OHGamepad.h
==================================================================
--- src/hid/OHGamepad.h
+++ src/hid/OHGamepad.h
@@ -29,24 +29,90 @@
 @interface OHGamepad: OHGameControllerProfile
 {
 	OF_RESERVE_IVARS(OHGamepad, 4)
 }
 
+/**
+ * @brief The north button on the gamepad's diamond pad.
+ */
 @property (readonly, nonatomic) OHGameControllerButton *northButton;
+
+/**
+ * @brief The south button on the gamepad's diamond pad.
+ */
 @property (readonly, nonatomic) OHGameControllerButton *southButton;
+
+/**
+ * @brief The west button on the gamepad's diamond pad.
+ */
 @property (readonly, nonatomic) OHGameControllerButton *westButton;
+
+/**
+ * @brief The east button on the gamepad's diamond pad.
+ */
 @property (readonly, nonatomic) OHGameControllerButton *eastButton;
+
+/**
+ * @brief The left shoulder button.
+ */
 @property (readonly, nonatomic) OHGameControllerButton *leftShoulderButton;
+
+/**
+ * @brief The right shoulder button.
+ */
 @property (readonly, nonatomic) OHGameControllerButton *rightShoulderButton;
+
+/**
+ * @brief The left trigger button.
+ */
 @property (readonly, nonatomic) OHGameControllerButton *leftTriggerButton;
+
+/**
+ * @brief The right trigger button.
+ */
 @property (readonly, nonatomic) OHGameControllerButton *rightTriggerButton;
+
+/**
+ * @brief The left thumb stick button.
+ */
 @property (readonly, nonatomic) OHGameControllerButton *leftThumbstickButton;
+
+/**
+ * @brief The right thumb stick button.
+ */
 @property (readonly, nonatomic) OHGameControllerButton *rightThumbstickButton;
+
+/**
+ * @brief The menu button, sometimes also called start button.
+ */
 @property (readonly, nonatomic) OHGameControllerButton *menuButton;
+
+/**
+ * @brief The options button, sometimes also called select button.
+ */
 @property (readonly, nonatomic) OHGameControllerButton *optionsButton;
-@property (readonly, nonatomic) OHGameControllerButton *homeButton;
+
+/**
+ * @brief The home button.
+ *
+ * This button is optional and may be `nil`.
+ */
+@property OF_NULLABLE_PROPERTY (readonly, nonatomic)
+    OHGameControllerButton *homeButton;
+
+/**
+ * @brief The left thumb stick.
+ */
 @property (readonly, nonatomic) OHGameControllerDirectionalPad *leftThumbstick;
+
+/**
+ * @brief The right thumb stick.
+ */
 @property (readonly, nonatomic) OHGameControllerDirectionalPad *rightThumbstick;
-@property (readonly, nonatomic) OHGameControllerDirectionalPad *directionalPad;
+
+/**
+ * @brief The D-Pad.
+ */
+@property (readonly, nonatomic) OHGameControllerDirectionalPad *dPad;
 @end
 
 OF_ASSUME_NONNULL_END

Index: src/hid/OHGamepad.m
==================================================================
--- src/hid/OHGamepad.m
+++ src/hid/OHGamepad.m
@@ -23,7 +23,7 @@
 
 @implementation OHGamepad
 @dynamic northButton, southButton, westButton, eastButton, leftShoulderButton;
 @dynamic rightShoulderButton, leftTriggerButton, rightTriggerButton;
 @dynamic leftThumbstickButton, rightThumbstickButton, menuButton, optionsButton;
-@dynamic homeButton, leftThumbstick, rightThumbstick, directionalPad;
+@dynamic homeButton, leftThumbstick, rightThumbstick, dPad;
 @end

Index: src/hid/OHXInputGameController.m
==================================================================
--- src/hid/OHXInputGameController.m
+++ src/hid/OHXInputGameController.m
@@ -209,17 +209,17 @@
 	    (state.Gamepad.sThumbRX < 0 ? -INT16_MIN : INT16_MAX);
 	_gamepad.rightThumbstick.yAxis.value =
 	    -(float)state.Gamepad.sThumbRY /
 	    (state.Gamepad.sThumbRY < 0 ? -INT16_MIN : INT16_MAX);
 
-	_gamepad.directionalPad.upButton.value =
+	_gamepad.dPad.upButton.value =
 	    !!(state.Gamepad.wButtons & XINPUT_GAMEPAD_DPAD_UP);
-	_gamepad.directionalPad.downButton.value =
+	_gamepad.dPad.downButton.value =
 	    !!(state.Gamepad.wButtons & XINPUT_GAMEPAD_DPAD_DOWN);
-	_gamepad.directionalPad.leftButton.value =
+	_gamepad.dPad.leftButton.value =
 	    !!(state.Gamepad.wButtons & XINPUT_GAMEPAD_DPAD_LEFT);
-	_gamepad.directionalPad.rightButton.value =
+	_gamepad.dPad.rightButton.value =
 	    !!(state.Gamepad.wButtons & XINPUT_GAMEPAD_DPAD_RIGHT);
 }
 
 - (OFString *)name
 {