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    SubjectRe: [PATCH v9 5/9] dmaengine: edma: Add TI EDMA device tree binding
    On 3/6/2013 9:45 PM, Matt Porter wrote:
    > The binding definition is based on the generic DMA controller
    > binding.
    >
    > Signed-off-by: Matt Porter <mporter@ti.com>

    Okay the bindings the documented after they are used leading to some
    confusion. This patch should be moved up the series. As I noted in my
    other e-mail, some of these bindings are not really hardware description
    and need to be re-looked.

    Thanks,
    Sekhar

    > ---
    > Documentation/devicetree/bindings/dma/ti-edma.txt | 49 +++++++++++++++++++++
    > 1 file changed, 49 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..075a60e3
    > --- /dev/null
    > +++ b/Documentation/devicetree/bindings/dma/ti-edma.txt
    > @@ -0,0 +1,49 @@
    > +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 {
    > + 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>;
    > +};
    >


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