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-rw-r--r--Documentation/devicetree/bindings/memory-controllers/omap-gpmc.txt7
1 files changed, 6 insertions, 1 deletions
diff --git a/Documentation/devicetree/bindings/memory-controllers/omap-gpmc.txt b/Documentation/devicetree/bindings/memory-controllers/omap-gpmc.txt
index 21055e210234..c1359f4d48d7 100644
--- a/Documentation/devicetree/bindings/memory-controllers/omap-gpmc.txt
+++ b/Documentation/devicetree/bindings/memory-controllers/omap-gpmc.txt
@@ -46,6 +46,10 @@ Required properties:
0 maps to GPMC_WAIT0 pin.
- gpio-cells: Must be set to 2
+Required properties when using NAND prefetch dma:
+ - 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
@@ -137,7 +141,8 @@ Example for an AM33xx board:
ti,hwmods = "gpmc";
reg = <0x50000000 0x2000>;
interrupts = <100>;
-
+ dmas = <&edma 52 0>;
+ dma-names = "rxtx";
gpmc,num-cs = <8>;
gpmc,num-waitpins = <2>;
#address-cells = <2>;
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