disk: Add SD/MMC driver

Only SPI is supported.

Signed-off-by: Benoît Thébaudeau <benoit@wsystem.com>

dev/disk/mmc/mmc.h

@@ -0,0 +1,61 @@
+/*
+ * Copyright (c) 2016, Benoît Thébaudeau <benoit@wsystem.com>
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright notice,
+ *    this list of conditions and the following disclaimer.
+ *
+ * 2. Redistributions in binary form must reproduce the above copyright notice,
+ *    this list of conditions and the following disclaimer in the documentation
+ *    and/or other materials provided with the distribution.
+ *
+ * 3. Neither the name of the copyright holder nor the names of its contributors
+ *    may be used to endorse or promote products derived from this software
+ *    without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
+ * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ */
+/**
+ * \addtogroup disk
+ * @{
+ *
+ * \defgroup mmc SD/MMC
+ *
+ * SD/MMC device driver.
+ * @{
+ *
+ * \file
+ * Header file for the SD/MMC device driver.
+ */
+#ifndef MMC_H_
+#define MMC_H_
+
+#include "contiki-conf.h"
+#include "../disk.h"
+
+#ifndef MMC_CONF_DEV_COUNT
+/** Number of SD/MMC devices. */
+#define MMC_CONF_DEV_COUNT      1
+#endif
+
+extern const struct disk_driver mmc_driver;
+
+#endif /* MMC_H_ */
+
+/**
+ * @}
+ * @}
+ */