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spi: kconfig: add soft spi Kconfig entry

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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 <peng.fan@nxp.com>
Cc: Jagan Teki <jagan@openedev.com>
Cc: Stefano Babic <sbabic@denx.de>
This commit is contained in:
Peng Fan 2017-04-13 14:09:55 +08:00 • committed by Stefano Babic
parent e02ec19f4d
commit 41eb8ff5ea
1 changed files with 6 additions and 0 deletions
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6
drivers/spi/Kconfig
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@ -197,6 +197,12 @@ config OMAP3_SPI
endif # if DM_SPI endif # if DM_SPI
config SOFT_SPI
bool "Soft SPI driver"
help
Enable Soft SPI driver. This driver is to use GPIO simulate
the SPI protocol.
config FSL_ESPI config FSL_ESPI
bool "Freescale eSPI driver" bool "Freescale eSPI driver"
help help