forked from Qortal/Brooklyn
You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
27 lines
723 B
27 lines
723 B
/* |
|
* Module: eeprom_93xx46 |
|
* platform description for 93xx46 EEPROMs. |
|
*/ |
|
|
|
struct gpio_desc; |
|
|
|
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; |
|
};
|
|
|