Add additional details to the GPMC NAND documentation to clarify
what is needed to enable NAND DMA prefetch.

Signed-off-by: Franklin S Cooper Jr <fcoo...@ti.com>
---
V2 Changes:
Replace nand and Nand with NAND
Specify the value dma-names should be set to

 Documentation/devicetree/bindings/memory-controllers/omap-gpmc.txt | 7 ++++++-
 Documentation/devicetree/bindings/mtd/gpmc-nand.txt                | 2 ++
 2 files changed, 8 insertions(+), 1 deletion(-)

diff --git a/Documentation/devicetree/bindings/memory-controllers/omap-gpmc.txt 
b/Documentation/devicetree/bindings/memory-controllers/omap-gpmc.txt
index 704be93..afae4b3 100644
--- a/Documentation/devicetree/bindings/memory-controllers/omap-gpmc.txt
+++ b/Documentation/devicetree/bindings/memory-controllers/omap-gpmc.txt
@@ -33,6 +33,10 @@ Required properties:
                        As this will change in the future, filling correct
                        values here is a requirement.
 
+GPMC DMA information.
+ - dmas                        GPMC NAND prefetch dma channel
+ - dma-names           Must be set to "rxtx"
+
 Timing properties for child nodes. All are optional and default to 0.
 
  - gpmc,sync-clk-ps:   Minimum clock period for synchronous mode, in 
picoseconds
@@ -119,7 +123,8 @@ Example for an AM33xx board:
                ti,hwmods = "gpmc";
                reg = <0x50000000 0x2000>;
                interrupts = <100>;
-
+               dmas = <&edma 52>;
+               dma-names = "rxtx";
                gpmc,num-cs = <8>;
                gpmc,num-waitpins = <2>;
                #address-cells = <2>;
diff --git a/Documentation/devicetree/bindings/mtd/gpmc-nand.txt 
b/Documentation/devicetree/bindings/mtd/gpmc-nand.txt
index 253e6de..4b0c240 100644
--- a/Documentation/devicetree/bindings/mtd/gpmc-nand.txt
+++ b/Documentation/devicetree/bindings/mtd/gpmc-nand.txt
@@ -61,6 +61,8 @@ Example for an AM33xx board:
                ti,hwmods = "gpmc";
                reg = <0x50000000 0x36c>;
                interrupts = <100>;
+               dmas = <&edma 52>;
+               dma-names = "rxtx";
                gpmc,num-cs = <8>;
                gpmc,num-waitpins = <2>;
                #address-cells = <2>;
-- 
2.6.1

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