[linux-block.git] / include / linux / spi / flash.h

/* SPDX-License-Identifier: GPL-2.0 */
#ifndef LINUX_SPI_FLASH_H
#define LINUX_SPI_FLASH_H

struct mtd_partition;

/**
 * struct flash_platform_data: board-specific flash data
 * @name: optional flash device name (eg, as used with mtdparts=)
 * @parts: optional array of mtd_partitions for static partitioning
 * @nr_parts: number of mtd_partitions for static partitioning
 * @type: optional flash device type (e.g. m25p80 vs m25p64), for use
 *	with chips that can't be queried for JEDEC or other IDs
 *
 * Board init code (in arch/.../mach-xxx/board-yyy.c files) can
 * provide information about SPI flash parts (such as DataFlash) to
 * help set up the device and its appropriate default partitioning.
 *
 * Note that for DataFlash, sizes for pages, blocks, and sectors are
 * rarely powers of two; and partitions should be sector-aligned.
 */
struct flash_platform_data {
	char		*name;
	struct mtd_partition *parts;
	unsigned int	nr_parts;

	char		*type;

	/* we'll likely add more ... use JEDEC IDs, etc */
};

#endif
Commit	Line	Data
b2441318	1	/* SPDX-License-Identifier: GPL-2.0 */
1d6432fe DB	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
8ab102d6	11	* @nr_parts: number of mtd_partitions for static partitioning
2f9f7628 ML	12	* @type: optional flash device type (e.g. m25p80 vs m25p64), for use
2f9f7628 ML	13	* with chips that can't be queried for JEDEC or other IDs
1d6432fe DB	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
2f9f7628 ML	27	char *type;
2f9f7628 ML	28
1d6432fe DB	29	/* we'll likely add more ... use JEDEC IDs, etc */
	30	};
	31
	32	#endif