1 files changed, 70 insertions, 0 deletions
diff --git a/bsps/arm/raspberrypi/include/bsp/rpi-gpio.h b/bsps/arm/raspberrypi/include/bsp/rpi-gpio.h
new file mode 100644
index 0000000000..82ba4b1f2a
--- /dev/null
+++ b/bsps/arm/raspberrypi/include/bsp/rpi-gpio.h
@@ -0,0 +1,70 @@
+/**
+ * @file rpi-gpio.h
+ *
+ * @ingroup raspberrypi_gpio
+ *
+ * @brief Raspberry Pi specific GPIO definitions.
+ */
+
+/*
+ *  Copyright (c) 2015 Andre Marques <andre.lousa.marques at gmail.com>
+ *
+ *  The license and distribution terms for this file may be
+ *  found in the file LICENSE in this distribution or at
+ *  http://www.rtems.org/license/LICENSE.
+ */
+
+#ifndef LIBBSP_ARM_RASPBERRYPI_RPI_GPIO_H
+#define LIBBSP_ARM_RASPBERRYPI_RPI_GPIO_H
+
+#include <rtems.h>
+
+#ifdef __cplusplus
+extern "C" {
+#endif /* __cplusplus */
+
+/**
+ * @brief  Raspberry Pi GPIO functions.
+ */
+#define RPI_DIGITAL_IN  0
+#define RPI_DIGITAL_OUT 1
+#define RPI_ALT_FUNC_0  4
+#define RPI_ALT_FUNC_1  5
+#define RPI_ALT_FUNC_2  6
+#define RPI_ALT_FUNC_3  7
+#define RPI_ALT_FUNC_4  3
+#define RPI_ALT_FUNC_5  2
+#define RPI_ALT_FUNC_MASK 7
+
+/**
+ * @brief Setups a JTAG interface.
+ *
+ * @retval RTEMS_SUCCESSFUL JTAG interface successfully configured.
+ * @retval * At least one of the required pins is currently
+ *            occupied, @see rtems_gpio_request_pin_group().
+ */
+extern rtems_status_code rpi_gpio_select_jtag(void);
+
+/**
+ * @brief Setups a SPI interface.
+ *
+ * @retval RTEMS_SUCCESSFUL SPI interface successfully configured.
+ * @retval * At least one of the required pins is currently
+ *            occupied, @see rtems_gpio_request_pin_group().
+ */
+extern rtems_status_code rpi_gpio_select_spi(void);
+
+/**
+ * @brief Setups a I2C interface.
+ *
+ * @retval RTEMS_SUCCESSFUL I2C interface successfully configured.
+ * @retval * At least one of the required pins is currently
+ *            occupied, @see rtems_gpio_request_pin_group().
+ */
+extern rtems_status_code rpi_gpio_select_i2c(void);
+
+#ifdef __cplusplus
+}
+#endif /* __cplusplus */
+
+#endif /* LIBBSP_ARM_RASPBERRYPI_RPI_GPIO_H */