boards/samr21: add SAUL led parameters

boards/samr21-xpro/include/board.h

@@ -68,6 +68,7 @@ extern "C" {
  */
 #define LED_PORT            PORT->Group[0]
 #define LED_PIN             (19)
+#define LED_GPIO            GPIO_PIN(0, 19)
 /** @} */
 
 /**

boards/samr21-xpro/include/gpio_params.h

@@ -0,0 +1,48 @@
+/*
+ * Copyright (C) 2015 Freie Universität Berlin
+ *               2015 Kaspar Schleiser <kaspar@schleiser.de>
+ *
+ * This file is subject to the terms and conditions of the GNU Lesser
+ * General Public License v2.1. See the file LICENSE in the top level
+ * directory for more details.
+ */
+
+/**
+ * @ingroup   boards_samr21-xpro
+ * @{
+ *
+ * @file
+ * @brief     Board specific configuration of direct mapped GPIOs
+ *
+ * @author    Hauke Petersen <hauke.petersen@fu-berlin.de>
+ * @author    Kaspar Schleiser <kaspar@schleiser.de>
+ */
+
+#ifndef GPIO_PARAMS_H
+#define GPIO_PARAMS_H
+
+#include "board.h"
+#include "saul/periph.h"
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/**
+ * @brief    GPIO pin configuration
+ */
+static const  saul_gpio_params_t saul_gpio_params[] =
+{
+    {
+        .name = "LED(orange)",
+        .pin = LED_GPIO,
+        .dir = GPIO_DIR_OUT,
+    },
+};
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* GPIO_PARAMS_H */
+/** @} */