| /* 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 */ | |
| 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) | |
| /* | |
| * optional hooks to control additional logic | |
| * before and after spi transfer. | |
| */ | |
| void (*prepare)(void *); | |
| void (*finish)(void *); | |
| struct gpio_desc *select; | |
| }; |