include/linux/spi/flash.h

   1 /* SPDX-License-Identifier: GPL-2.0 */
   2 #ifndef LINUX_SPI_FLASH_H
   3 #define LINUX_SPI_FLASH_H
   4
   5 struct mtd_partition;
   6
   7 /**
   8  * struct flash_platform_data: board-specific flash data
   9  * @name: optional flash device name (eg, as used with mtdparts=)
  10  * @parts: optional array of mtd_partitions for static partitioning
  11  * @nr_parts: number of mtd_partitions for static partitioning
  12  * @type: optional flash device type (e.g. m25p80 vs m25p64), for use
  13  *      with chips that can't be queried for JEDEC or other IDs
  14  *
  15  * Board init code (in arch/.../mach-xxx/board-yyy.c files) can
  16  * provide information about SPI flash parts (such as DataFlash) to
  17  * help set up the device and its appropriate default partitioning.
  18  *
  19  * Note that for DataFlash, sizes for pages, blocks, and sectors are
  20  * rarely powers of two; and partitions should be sector-aligned.
  21  */
  22 struct flash_platform_data {
  23         char            *name;
  24         struct mtd_partition *parts;
  25         unsigned int    nr_parts;
  26
  27         char            *type;
  28
  29         /* we'll likely add more ... use JEDEC IDs, etc */
  30 };
  31
  32 #endif