On Fri, Jan 11, 2013 at 11:18:41, Porter, Matt wrote:
> The binding definition is based on the generic DMA controller
> binding.
> 
> Signed-off-by: Matt Porter <mpor...@ti.com>
> ---
>  Documentation/devicetree/bindings/dma/ti-edma.txt |   51 
> +++++++++++++++++++++
>  1 file changed, 51 insertions(+)
>  create mode 100644 Documentation/devicetree/bindings/dma/ti-edma.txt
> 
> diff --git a/Documentation/devicetree/bindings/dma/ti-edma.txt 
> b/Documentation/devicetree/bindings/dma/ti-edma.txt
> new file mode 100644
> index 0000000..3344345
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/dma/ti-edma.txt
> @@ -0,0 +1,51 @@
> +TI EDMA
> +
> +Required properties:
> +- compatible : "ti,edma3"
> +- ti,hwmods: Name of the hwmods associated to the EDMA
> +- ti,edma-regions: Number of regions
> +- ti,edma-slots: Number of slots
> +- ti,edma-queue-tc-map: List of transfer control to queue mappings
> +- ti,edma-queue-priority-map: List of queue priority mappings
> +- ti,edma-default-queue: Default queue value
> +
> +Optional properties:
> +- ti,edma-reserved-channels: List of reserved channel regions
> +- ti,edma-reserved-slots: List of reserved slot regions
> +- ti,edma-xbar-event-map: Crossbar event to channel map
> +
> +Example:
> +
> +edma: edma@49000000 {
> +     #address-cells = <1>;
> +     #size-cells = <0>;

address-cells & size-cells are only required when current node is a parent 
node & it has sibling/child nodes (that too if the child node uses "reg" 
property).

> +     reg = <0x49000000 0x10000>;
> +     interrupt-parent = <&intc>;
> +     interrupts = <12 13 14>;
> +     compatible = "ti,edma3";
> +     ti,hwmods = "tpcc", "tptc0", "tptc1", "tptc2";
> +     #dma-cells = <1>;
> +     dma-channels = <64>;
> +     ti,edma-regions = <4>;
> +     ti,edma-slots = <256>;
> +     ti,edma-reserved-channels = <0  2
> +                                  14 2
> +                                  26 6
> +                                  48 4
> +                                  56 8>;
> +     ti,edma-reserved-slots = <0  2
> +                               14 2
> +                               26 6
> +                               48 4
> +                               56 8
> +                               64 127>;
> +     ti,edma-queue-tc-map = <0 0
> +                             1 1
> +                             2 2>;
> +     ti,edma-queue-priority-map = <0 0
> +                                   1 1
> +                                   2 2>;
> +     ti,edma-default-queue = <0>;
> +     ti,edma-xbar-event-map = <1 12
> +                               2 13>;
> +};
> -- 
> 1.7.9.5
> 
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> 


Regards, 
Gururaja
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