TononixOS/ubports_kernel_google_msm
1
0
Fork 0
Code Issues Pull Requests Releases Wiki Activity

gpio: add support for 74x164 serial-in/parallel-out 8-bit shift register

Browse Source 
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>
This commit is contained in:
Miguel Gaio
2010-10-27 15:33:18 -07:00
committed by Linus Torvalds
parent 76d800a5b6
commit ead6db0843
4 changed files with 202 additions and 0 deletions
Download Patch File Download Diff File Expand all files Collapse all files

11
include/linux/spi/74x164.h Normal file
View File

@@ -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