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misc/eeprom: add driver for microwire 93xx46 EEPROMs

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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>
This commit is contained in:
Anatolij Gustschin
2011-07-25 17:13:27 -07:00
committed by Linus Torvalds
parent 6e60c02e9d
commit 06b4501e88
4 changed files with 442 additions and 0 deletions
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13
drivers/misc/eeprom/Kconfig
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@@ -70,4 +70,17 @@ config EEPROM_93CX6
If unsure, say N.
config EEPROM_93XX46
tristate "Microwire EEPROM 93XX46 support"
depends on SPI && SYSFS
help
Driver for the microwire EEPROM chipsets 93xx46x. The driver
supports both read and write commands and also the command to
erase the whole EEPROM.
This driver can also be built as a module. If so, the module
will be called eeprom_93xx46.
If unsure, say N.
endmenu