ARM: OMAP2+: gpmc: Add device tree documentation for elm handle

[linux-2.6-microblaze.git] / Documentation / devicetree / bindings / mtd / gpmc-nand.txt

diff --git a/Documentation/devicetree/bindings/mtd/gpmc-nand.txt b/Documentation/devicetree/bindings/mtd/gpmc-nand.txt
index 9f464f9..e7f8d7e 100644 (file)
--- a/Documentation/devicetree/bindings/mtd/gpmc-nand.txt
+++ b/Documentation/devicetree/bindings/mtd/gpmc-nand.txt
@@ -29,6 +29,9 @@ Optional properties:
                "bch4"          4-bit BCH ecc code
                "bch8"          8-bit BCH ecc code
 
+ - elm_id:     Specifies elm device node. This is required to support BCH
+               error correction using ELM module.
+
 For inline partiton table parsing (optional):
 
  - #address-cells: should be set to 1
@@ -46,6 +49,7 @@ Example for an AM33xx board:
                #address-cells = <2>;
                #size-cells = <1>;
                ranges = <0 0 0x08000000 0x2000>;       /* CS0: NAND */
+               elm_id = <&elm>;
 
                nand@0,0 {
                        reg = <0 0 0>; /* CS0, offset 0 */