mtd: nand: pxa3xx: Add supported ECC strength and step size to the DT binding

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Gitweb:     http://git.infradead.org/?p=mtd-2.6.git;a=commit;h=fe4fd75b827a3c037d71ecaed04503e3637ccb1c
Commit:     fe4fd75b827a3c037d71ecaed04503e3637ccb1c
Parent:     5b3e507820c6e120bc2680c0d35f9d9d81fcb98d
Author:     Ezequiel Garcia <ezequiel.garcia at free-electrons.com>
AuthorDate: Wed May 14 14:58:09 2014 -0300
Committer:  Brian Norris <computersforpeace at gmail.com>
CommitDate: Wed May 21 12:55:09 2014 -0700

    mtd: nand: pxa3xx: Add supported ECC strength and step size to the DT binding
    
    This commit updates the devicetree binding documentation for this driver
    with the supported ECC strength and step size combinations.
    
    Signed-off-by: Ezequiel Garcia <ezequiel.garcia at free-electrons.com>
    Signed-off-by: Brian Norris <computersforpeace at gmail.com>
---
 Documentation/devicetree/bindings/mtd/pxa3xx-nand.txt | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/Documentation/devicetree/bindings/mtd/pxa3xx-nand.txt b/Documentation/devicetree/bindings/mtd/pxa3xx-nand.txt
index 86e0a56..de8b517 100644
--- a/Documentation/devicetree/bindings/mtd/pxa3xx-nand.txt
+++ b/Documentation/devicetree/bindings/mtd/pxa3xx-nand.txt
@@ -17,6 +17,14 @@ Optional properties:
  - num-cs:			Number of chipselect lines to usw
  - nand-on-flash-bbt: 		boolean to enable on flash bbt option if
 				not present false
+ - nand-ecc-strength:           number of bits to correct per ECC step
+ - nand-ecc-step-size:          number of data bytes covered by a single ECC step
+
+The following ECC strength and step size are currently supported:
+
+ - nand-ecc-strength = <1>, nand-ecc-step-size = <512>
+ - nand-ecc-strength = <4>, nand-ecc-step-size = <512>
+ - nand-ecc-strength = <8>, nand-ecc-step-size = <512>
 
 Example: