path: root/init
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authorAnatolij Gustschin <agust@denx.de>2011-07-25 17:13:29 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2011-07-25 20:57:16 -0700
commit469dded1839105cfbfc265376e23e24dbc48d2a7 (patch)
treec020b0896fc26b49d42a8ebe919df7546aa7fceb /init
parent06b4501e88ad10f02849a3f9d7408ed6ae15a53f (diff)
misc/eeprom: add eeprom access driver for digsy_mtc board
Both displays on digsy_mtc board obtain their configuration from microwire EEPROMs which are connected to the SoC over GPIO lines. We need an easy way to access the EEPROMs to write the needed display configuration or to read out the currently programmed configuration. The generic eeprom_93xx46 SPI driver added by previous patch allows EEPROM access over sysfs. Using the simple driver added by this patch we provide used GPIO interface and access control description on the board for generic eeprom_93xx46 driver and spi_gpio driver. 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: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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