diff options
| author | Miguel Gaio <miguel.gaio@efixo.com> | 2010-10-27 15:33:18 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2010-10-27 18:03:07 -0700 |
| commit | ead6db084392349ad33323b1bb2916058dd7e82b (patch) | |
| tree | 8288fb20f86550ba8bb5d9984a7d09ead9b333d7 /include/linux/spi | |
| parent | 76d800a5b6e198c4fda07b88bb42a545709f193b (diff) | |
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>
Diffstat (limited to 'include/linux/spi')
| -rw-r--r-- | include/linux/spi/74x164.h | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/include/linux/spi/74x164.h b/include/linux/spi/74x164.h new file mode 100644 index 00000000000..d85c52f294a --- /dev/null +++ b/include/linux/spi/74x164.h @@ -0,0 +1,11 @@ +#ifndef LINUX_SPI_74X164_H +#define LINUX_SPI_74X164_H + +#define GEN_74X164_DRIVER_NAME "74x164" + +struct gen_74x164_chip_platform_data { + /* number assigned to the first GPIO */ + unsigned base; +}; + +#endif |