gpio: add support for 74x164 serial-in/parallel-out 8-bit shift register
authorMiguel Gaio <miguel.gaio@efixo.com>
Wed, 27 Oct 2010 22:33:18 +0000 (15:33 -0700)
committerLinus Torvalds <torvalds@linux-foundation.org>
Thu, 28 Oct 2010 01:03:07 +0000 (18:03 -0700)
commitead6db084392349ad33323b1bb2916058dd7e82b
tree8288fb20f86550ba8bb5d9984a7d09ead9b333d7
parent76d800a5b6e198c4fda07b88bb42a545709f193b
gpio: add support for 74x164 serial-in/parallel-out 8-bit shift register

Add support for generic 74x164 serial-in/parallel-out 8-bits shift
register.  This driver can be used as a GPIO output expander.

[akpm@linux-foundation.org: remove unused local `refresh']
Signed-off-by: Miguel Gaio <miguel.gaio@efixo.com>
Signed-off-by: Juhos Gabor <juhosg@openwrt.org>
Signed-off-by: Florian Fainelli <florian@openwrt.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
drivers/gpio/74x164.c [new file with mode: 0644]
drivers/gpio/Kconfig
drivers/gpio/Makefile
include/linux/spi/74x164.h [new file with mode: 0644]