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 <mporter@xxxxxx>
> ---
> 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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