misc/eeprom: add driver for microwire 93xx46 EEPROMs

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>

1 files changed, 13 insertions, 0 deletions

diff --git a/drivers/misc/eeprom/Kconfig b/drivers/misc/eeprom/Kconfig
index 9118613af321..620de283b40b 100644
--- a/drivers/misc/eeprom/Kconfig
+++ b/drivers/misc/eeprom/Kconfig
@@ -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