Documentation: fsl-quadspi: Add optional properties

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Gitweb:     http://git.infradead.org/?p=mtd-2.6.git;a=commit;h=471c2aa6fa893bafddc150822f3d5ec4c6b68d8e
Commit:     471c2aa6fa893bafddc150822f3d5ec4c6b68d8e
Parent:     2458fb258b0013777cebf0486e2f7c49949fbc94
Author:     Yao Yuan <yao.yuan at freescale.com>
AuthorDate: Tue Jan 26 15:24:01 2016 +0800
Committer:  Brian Norris <computersforpeace at gmail.com>
CommitDate: Mon Mar 7 12:32:20 2016 -0800

    Documentation: fsl-quadspi: Add optional properties
    
    Add optional properties for QSPI:
    big-endian
    if the register is big endian on this platform.
    
    Signed-off-by: Yuan Yao <yao.yuan at nxp.com>
    Acked-by: Rob Herring <robh at kernel.org>
    Acked-by: Han xu <han.xu at nxp.com>
    Signed-off-by: Brian Norris <computersforpeace at gmail.com>
---
 Documentation/devicetree/bindings/mtd/fsl-quadspi.txt | 1 +
 1 file changed, 1 insertion(+)

diff --git a/Documentation/devicetree/bindings/mtd/fsl-quadspi.txt b/Documentation/devicetree/bindings/mtd/fsl-quadspi.txt
index 0df2f3a..0333ec8 100644
--- a/Documentation/devicetree/bindings/mtd/fsl-quadspi.txt
+++ b/Documentation/devicetree/bindings/mtd/fsl-quadspi.txt
@@ -21,6 +21,7 @@ Optional properties:
 			      But if there are two NOR flashes connected to the
 			      bus, you should enable this property.
 			      (Please check the board's schematic.)
+  - big-endian : That means the IP register is big endian
 
 Example: