On Tue, Mar 12, 2013 at 06:53:03AM +0000, Sekhar Nori wrote:
> 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 <mpor...@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.
Sure, I'll reorder it.
-Matt
> > ---
> > 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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