Add Zynq QSPI controller Kconfig entry.

Signed-off-by: Jagan Teki <jt...@openedev.com>
Reviewed-by: Simon Glass <s...@chromium.org>
Cc: Michal Simek <michal.si...@xilinx.com>
Cc: Siva Durga Prasad Paladugu <siva...@xilinx.com>
---
 drivers/spi/Kconfig | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/drivers/spi/Kconfig b/drivers/spi/Kconfig
index c84a7b7..facd94d 100644
--- a/drivers/spi/Kconfig
+++ b/drivers/spi/Kconfig
@@ -123,6 +123,15 @@ config ZYNQ_SPI
          access the SPI NOR flash on platforms embedding this Zynq
          SPI IP core.
 
+config ZYNQ_QSPI
+       bool "Zynq QSPI driver"
+       depends on ARCH_ZYNQ || TARGET_XILINX_ZYNQMP
+       help
+         Enable the Zynq Quad-SPI (QSPI) driver. This driver can be
+         used to access the SPI NOR flash on platforms embedding this
+         Zynq QSPI IP core. This IP is used to connect the flash in
+         4-bit qspi, 8-bit dual stacked and shared 4-bit dual parallel.
+
 endif # if DM_SPI
 
 config FSL_ESPI
-- 
1.9.1

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