Add additional details to the gpmc and nand documentation to clarify what is needed to enable nand dma prefetch. Signed-off-by: Franklin S Cooper Jr <fcooper@xxxxxx> --- 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..b1e2802 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. Required only when GPMC nand prefetch is enabled. + - dmas GPMC nand prefetch dma channel + - dma-names DMA channel name use as a reference within the Nand driver + 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 -- To unsubscribe from this list: send the line "unsubscribe devicetree" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
