mirror of
https://github.com/edk2-porting/linux-next.git
synced 2024-12-24 05:04:00 +08:00
06b4501e88
Add EEPROM driver for 93xx46 chips. It can also be used with spi_gpio driver to access 93xx46 EEPROMs connected over GPIO lines. This driver supports read/write/erase access to the EEPROM chips over sysfs files. [rdunlap@xenotime.net: fix printk format] Signed-off-by: Anatolij Gustschin <agust@denx.de> Cc: Jonathan Cameron <jic23@cam.ac.uk> Cc: Grant Likely <grant.likely@secretlab.ca> Signed-off-by: Randy Dunlap <rdunlap@xenotime.net> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
19 lines
422 B
C
19 lines
422 B
C
/*
|
|
* Module: eeprom_93xx46
|
|
* platform description for 93xx46 EEPROMs.
|
|
*/
|
|
|
|
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 */
|
|
|
|
/*
|
|
* optional hooks to control additional logic
|
|
* before and after spi transfer.
|
|
*/
|
|
void (*prepare)(void *);
|
|
void (*finish)(void *);
|
|
};
|