[U-Boot] [PATCH v2 3/9] sf: Kconfig: Add SF_DUAL_FLASH config entry

[Siva Durga Prasad Paladugu]

Add SF_DUAL_FLASH config entry with help description
This is needed to support dual parallel and stacked
modes.

Signed-off-by: Siva Durga Prasad Paladugu <sivadur at xilinx.com>
---
 drivers/mtd/spi/Kconfig | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/drivers/mtd/spi/Kconfig b/drivers/mtd/spi/Kconfig
index 1f23c8e..be5fb78 100644
--- a/drivers/mtd/spi/Kconfig
+++ b/drivers/mtd/spi/Kconfig
@@ -128,6 +128,14 @@ config SPI_FLASH_MTD
 
 	  If unsure, say N
 
+config SF_DUAL_FLASH
+	bool "SPI Flash Dual support"
+	depends on SPI_FLASH
+	help
+	  Enables the dual modes support for spi flash layer, this is required
+	  to handle dual parallel and stacked modes during sf read, write and
+	  erase ops.
+
 if SPL
 
 config SPL_SPI_SUNXI
-- 
2.7.4