Add HAL API for GPIO-IRQ pinmap

hal/gpio_irq_api.h

@@ -21,6 +21,7 @@
 #define MBED_GPIO_IRQ_API_H
 
 #include "device.h"
+#include "pinmap.h"
 
 #if DEVICE_INTERRUPTIN
 
@@ -85,6 +86,18 @@ void gpio_irq_enable(gpio_irq_t *obj);
  */
 void gpio_irq_disable(gpio_irq_t *obj);
 
+/** Get the pins that support all GPIO IRQ tests
+ *
+ * Return a PinMap array of pins that support GPIO IRQ.
+ * The array is terminated with {NC, NC, 0}.
+ *
+ * Targets should override the weak implementation of this
+ * function to provide the actual pinmap for GPIO IRQ testing.
+ *
+ * @return PinMap array
+ */
+const PinMap *gpio_irq_pinmap(void);
+
 /**@}*/
 
 #ifdef __cplusplus

hal/mbed_gpio_irq.c

@@ -0,0 +1,31 @@
+/* mbed Microcontroller Library
+ * Copyright (c) 2019 ARM Limited
+ * SPDX-License-Identifier: Apache-2.0
+ *
+ * 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 "hal/gpio_irq_api.h"
+
+#if DEVICE_INTERRUPTIN
+
+#include "platform/mbed_toolchain.h"
+#include "hal/gpio_api.h"
+
+MBED_WEAK const PinMap *gpio_irq_pinmap()
+{
+    // Targets should override this weak implementation to provide correct data.
+    // By default, this is exactly the same as GPIO PinMap.
+    return gpio_pinmap();
+}
+
+#endif