MTD: SPI-based driver for Macronix MX25L3233F or MX25L6433F.

drivers/mtd/Kconfig

@@ -456,6 +456,41 @@ config M25P_SUBSECTOR_ERASE
 
 endif # MTD_M25P
 
+config MTD_MX25L
+	bool "SPI-based MX25L3233F / MX25L6433F"
+	default n
+	select SPI
+	---help---
+		SPI-based driver for Macronix MX25L3233F or MX25L6433F.
+
+if MTD_MX25L
+
+config MX25L_SPIMODE
+	int "MX25L SPI mode"
+	default 0
+
+config MX25L_SPIFREQUENCY
+	int "MX25L SPI Frequency"
+	default 20000000
+
+config MX25L_SECTOR512
+	bool "Simulate 512 byte Erase Blocks"
+	default n
+
+config MX25L_SUBSECTOR_ERASE
+	bool "Sub-Sector Erase"
+	default n
+	---help---
+		Some devices (such as the EON EN25F80) support a smaller erase block
+		size (4K vs 64K).  This option enables support for sub-sector erase.
+		The SMART file system can take advantage of this option if it is enabled.
+
+config MX25L_DEBUG
+	bool "Enable driver debug features"
+	default n
+
+endif # MTD_MX25L
+
 config MTD_S25FL1
 	bool "QuadSPI-based S25FL1 FLASH"
 	default n
@@ -514,7 +549,6 @@ config MTD_N25QXXX
 	---help---
 		Support the N25Q016A, N25Q032A, N25Q064A, N25Q128A, N25Q256A
 
-
 if MTD_N25QXXX
 
 config N25QXXX_QSPIMODE

drivers/mtd/Make.defs

@@ -39,7 +39,7 @@
 
 ifeq ($(CONFIG_MTD),y)
 
-CSRCS += at45db.c ftl.c m25px.c ramtron.c mtd_config.c
+CSRCS += at45db.c ftl.c ramtron.c mtd_config.c
 
 ifeq ($(CONFIG_MTD_PARTITION),y)
 CSRCS += mtd_partition.c
@@ -104,6 +104,14 @@ ifeq ($(CONFIG_MTD_AT25),y)
 CSRCS += at25.c
 endif
 
+ifeq ($(CONFIG_MTD_M25P),y)
+CSRCS += m25px.c
+endif
+
+ifeq ($(CONFIG_MTD_M25L),y)
+CSRCS += m25lx.c
+endif
+
 ifeq ($(CONFIG_MTD_S25FL1),y)
 CSRCS += s25fl1.c
 endif

include/nuttx/mtd/mtd.h

@@ -515,7 +515,7 @@ FAR struct mtd_dev_s *w25_initialize(FAR struct spi_dev_s *dev);
  * Name: s25fl1_initialize
  *
  * Description:
- *   Create an initialize MTD device instance for the QuadSPI-based ST24FL1
+ *   Create an initialized MTD device instance for the QuadSPI-based ST24FL1
  *   FLASH part.
  *
  ****************************************************************************/
@@ -524,11 +524,22 @@ struct qspi_dev_s; /* Forward reference */
 FAR struct mtd_dev_s *s25fl1_initialize(FAR struct qspi_dev_s *qspi,
                                         bool unprotect);
 
+/****************************************************************************
+ * Name: mx25l_initialize_spi
+ *
+ * Description:
+ *   Create an initialized MTD device instance for the SPI-based MX25Lx
+ *   FLASH part.
+ *
+ ****************************************************************************/
+
+FAR struct mtd_dev_s *mx25l_initialize_spi(FAR struct spi_dev_s *dev);
+
 /****************************************************************************
  * Name: n25qxxx_initialize
  *
  * Description:
- *   Create an initialize MTD device instance for the QuadSPI-based N25Qxxx
+ *   Create an initialized MTD device instance for the QuadSPI-based N25Qxxx
  *   FLASH part from Micron.
  *
  ****************************************************************************/