mtd: nand: gpio: update binding

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Gitweb:     http://git.infradead.org/?p=mtd-2.6.git;a=commit;h=7db789d08cb23aeedb4d6392c2994ce387067021
Commit:     7db789d08cb23aeedb4d6392c2994ce387067021
Parent:     6a623e07694437ad09f382a13f76cffc32239a7f
Author:     Christophe Leroy <christophe.leroy at c-s.fr>
AuthorDate: Wed May 3 14:18:24 2017 +0200
Committer:  Brian Norris <computersforpeace at gmail.com>
CommitDate: Wed May 10 18:18:55 2017 -0700

    mtd: nand: gpio: update binding
    
    This patch updates the binding documentation in accordance with
    commit 44dd182861f99 ("mtd: nand: gpio: make nCE GPIO optional")
    
    Signed-off-by: Christophe Leroy <christophe.leroy at c-s.fr>
    Reported-by: Brian Norris <computersforpeace at gmail.com>
    Acked-by: Rob Herring <robh at kernel.org>
    Signed-off-by: Brian Norris <computersforpeace at gmail.com>
---
 Documentation/devicetree/bindings/mtd/gpio-control-nand.txt | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/Documentation/devicetree/bindings/mtd/gpio-control-nand.txt b/Documentation/devicetree/bindings/mtd/gpio-control-nand.txt
index af8915b..486a17d 100644
--- a/Documentation/devicetree/bindings/mtd/gpio-control-nand.txt
+++ b/Documentation/devicetree/bindings/mtd/gpio-control-nand.txt
@@ -12,7 +12,7 @@ Required properties:
 - #address-cells, #size-cells : Must be present if the device has sub-nodes
   representing partitions.
 - gpios : Specifies the GPIO pins to control the NAND device.  The order of
-  GPIO references is:  RDY, nCE, ALE, CLE, and an optional nWP.
+  GPIO references is:  RDY, nCE, ALE, CLE, and nWP. nCE and nWP are optional.
 
 Optional properties:
 - bank-width : Width (in bytes) of the device.  If not present, the width
@@ -36,7 +36,7 @@ gpio-nand at 1,0 {
 	#address-cells = <1>;
 	#size-cells = <1>;
 	gpios = <&banka 1 0>,	/* RDY */
-		<&banka 2 0>, 	/* nCE */
+		<0>, 		/* nCE */
 		<&banka 3 0>, 	/* ALE */
 		<&banka 4 0>, 	/* CLE */
 		<0>;		/* nWP */