linux/spi/flash.h

0001 /* SPDX-License-Identifier: GPL-2.0 */
0002 #ifndef LINUX_SPI_FLASH_H
0003 #define LINUX_SPI_FLASH_H
0004
0005 struct mtd_partition;
0006
0007 /**
0008  * struct flash_platform_data: board-specific flash data
0009  * @name: optional flash device name (eg, as used with mtdparts=)
0010  * @parts: optional array of mtd_partitions for static partitioning
0011  * @nr_parts: number of mtd_partitions for static partitioning
0012  * @type: optional flash device type (e.g. m25p80 vs m25p64), for use
0013  *  with chips that can't be queried for JEDEC or other IDs
0014  *
0015  * Board init code (in arch/.../mach-xxx/board-yyy.c files) can
0016  * provide information about SPI flash parts (such as DataFlash) to
0017  * help set up the device and its appropriate default partitioning.
0018  *
0019  * Note that for DataFlash, sizes for pages, blocks, and sectors are
0020  * rarely powers of two; and partitions should be sector-aligned.
0021  */
0022 struct flash_platform_data {
0023     char        *name;
0024     struct mtd_partition *parts;
0025     unsigned int    nr_parts;
0026
0027     char        *type;
0028
0029     /* we'll likely add more ... use JEDEC IDs, etc */
0030 };
0031
0032 #endif