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https://github.com/AuxXxilium/linux_dsm_epyc7002.git
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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
/*
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* Module: eeprom_93xx46
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* platform description for 93xx46 EEPROMs.
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*/
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struct eeprom_93xx46_platform_data {
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unsigned char flags;
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#define EE_ADDR8 0x01 /* 8 bit addr. cfg */
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#define EE_ADDR16 0x02 /* 16 bit addr. cfg */
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#define EE_READONLY 0x08 /* forbid writing */
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/*
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* optional hooks to control additional logic
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* before and after spi transfer.
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*/
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void (*prepare)(void *);
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void (*finish)(void *);
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};
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