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@c-s.fr>
Reported-by: Brian Norris <computersforpeace@gmail.com>
Acked-by: Rob Herring <robh@kernel.org>
Signed-off-by: Brian Norris <computersforpeace@gmail.com>

diff --git a/Documentation/devicetree/bindings/mtd/gpio-control-nand.txt b/Documentation/devicetree/bindings/mtd/gpio-control-nand.txt
index af8915b41ccf4962f9aa3a232b5bd268910ae3b7..486a17d533d7a33cce0ac8814a51979ebc7bc0ca 100644 (file)
--- 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@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 */