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/* SPDX-License-Identifier: GPL-2.0 */
/*
* Module: eeprom_93xx46
* platform description for 93xx46 EEPROMs.
*/
#include <linux/gpio/consumer.h>
struct eeprom_93xx46_platform_data {
unsigned char flags;
#define EE_ADDR8 0x01 /* 8 bit addr. cfg */
#define EE_ADDR16 0x02 /* 16 bit addr. cfg */
#define EE_READONLY 0x08 /* forbid writing */
#define EE_SIZE1K 0x10 /* 1 kb of data, that is a 93xx46 */
#define EE_SIZE2K 0x20 /* 2 kb of data, that is a 93xx56 */
#define EE_SIZE4K 0x40 /* 4 kb of data, that is a 93xx66 */
unsigned int quirks;
/* Single word read transfers only; no sequential read. */
#define EEPROM_93XX46_QUIRK_SINGLE_WORD_READ (1 << 0)
/* Instructions such as EWEN are (addrlen + 2) in length. */
#define EEPROM_93XX46_QUIRK_INSTRUCTION_LENGTH (1 << 1)
/* Add extra cycle after address during a read */
#define EEPROM_93XX46_QUIRK_EXTRA_READ_CYCLE BIT(2)
/*
* optional hooks to control additional logic
* before and after spi transfer.
*/
void (*prepare)(void *);
void (*finish)(void *);
struct gpio_desc *select;
};