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Matt Porterbf3156d2013-06-20 16:06:37 -05001TI EDMA
2
3Required properties:
4- compatible : "ti,edma3"
Matt Porterbf3156d2013-06-20 16:06:37 -05005- #dma-cells: Should be set to <1>
6 Clients should use a single channel number per DMA request.
Matt Porterbf3156d2013-06-20 16:06:37 -05007- reg: Memory map for accessing module
8- interrupt-parent: Interrupt controller the interrupt is routed through
9- interrupts: Exactly 3 interrupts need to be specified in the order:
10 1. Transfer completion interrupt.
11 2. Memory protection interrupt.
12 3. Error interrupt.
13Optional properties:
14- ti,hwmods: Name of the hwmods associated to the EDMA
15- ti,edma-xbar-event-map: Crossbar event to channel map
16
Peter Ujfalusiefc24e12014-05-16 15:17:16 +030017Deprecated properties:
18Listed here in case one wants to boot an old kernel with new DTB. These
19properties might need to be added to the new DTS files.
20- ti,edma-regions: Number of regions
21- ti,edma-slots: Number of slots
22- dma-channels: Specify total DMA channels per CC
23
Matt Porterbf3156d2013-06-20 16:06:37 -050024Example:
25
26edma: edma@49000000 {
27 reg = <0x49000000 0x10000>;
28 interrupt-parent = <&intc>;
29 interrupts = <12 13 14>;
30 compatible = "ti,edma3";
31 ti,hwmods = "tpcc", "tptc0", "tptc1", "tptc2";
32 #dma-cells = <1>;
Thomas Gleixnercf7eb972014-04-13 20:44:46 +020033 ti,edma-xbar-event-map = /bits/ 16 <1 12
34 2 13>;
Matt Porterbf3156d2013-06-20 16:06:37 -050035};