[U-Boot] [PATCH V2 07/12] spi: kconfig: add soft spi Kconfig entry

[Peng Fan]

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 at nxp.com>
Cc: Jagan Teki <jagan at openedev.com>
Cc: Stefano Babic <sbabic at denx.de>
---

V2:
 None

 drivers/spi/Kconfig | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/drivers/spi/Kconfig b/drivers/spi/Kconfig
index f3f7dbe..bef864f 100644
--- a/drivers/spi/Kconfig
+++ b/drivers/spi/Kconfig
@@ -197,6 +197,12 @@ config OMAP3_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
 	bool "Freescale eSPI driver"
 	help
-- 
2.6.2