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2 commits

Author SHA1 Message Date
Guennadi Liakhovetski
b30de3cccf i.MX31: add a simple gpio driver 
This is a minimal driver, so far only managing output. It will
be used by the mxc_spi.c driver.

Signed-off-by: Guennadi Liakhovetski <lg@denx.de>
Acked-by: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>
 2009-02-24 09:43:10 +01:00
Peter Tyser
e92739d34e Add support for PCA953x I2C gpio devices 
Initial support for NXP's 4 and 8 bit I2C gpio expanders
(eg pca9537, pca9557, etc). The CONFIG_PCA953X define
enables support for the devices while the CONFIG_CMD_PCA953X
define enables the pca953x command. The CONFIG_CMD_PCA953X_INFO
define enables an 'info' sub-command which provides summary
information for the given pca953x device.

Signed-off-by: Peter Tyser <ptyser@xes-inc.com>
 2008-12-19 18:11:49 -06:00