spi: kconfig: add soft spi Kconfig entry
authorPeng Fan <[email protected]>
Thu, 13 Apr 2017 06:09:55 +0000 (14:09 +0800)
committerStefano Babic <[email protected]>
Thu, 18 May 2017 09:24:34 +0000 (11:24 +0200)
commit41eb8ff5ea0fe10c75b5c1dec2d0ee00f1c5ebce
treecffd0735f2daf32f0a1b6785105260329320b3d4
parente02ec19f4d6b99ed53b24c32fd1ab9b402956941
spi: kconfig: add soft spi Kconfig entry

Add the Kconfig entry for SOFT_SPI which uses gpio to simulate the
SPI signals. We use it for accessing 74x164 on some i.MX boards.

Signed-off-by: Peng Fan <[email protected]>
Cc: Jagan Teki <[email protected]>
Cc: Stefano Babic <[email protected]>
drivers/spi/Kconfig