1 # SPDX-License-Identifier: GPL-2.0
2 %YAML 1.2
3 ---
4 $id: http://devicetree.org/schemas/dma/allwinner,sun4i-a10-dma.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
6
7 title: Allwinner A10 DMA Controller
8
9 maintainers:
10 - Chen-Yu Tsai <wens@csie.org>
11 - Maxime Ripard <mripard@kernel.org>
12
13 allOf:
14 - $ref: dma-controller.yaml#
15
16 properties:
17 "#dma-cells":
18 const: 2
19 description:
20 The first cell is either 0 or 1, the former to use the normal
21 DMA, 1 for dedicated DMA. The second cell is the request line
22 number.
23
24 compatible:
25 const: allwinner,sun4i-a10-dma
26
27 reg:
28 maxItems: 1
29
30 interrupts:
31 maxItems: 1
32
33 clocks:
34 maxItems: 1
35
36 required:
37 - "#dma-cells"
38 - compatible
39 - reg
40 - interrupts
41 - clocks
42
43 additionalProperties: false
44
45 examples:
46 - |
47 dma: dma-controller@1c02000 {
48 compatible = "allwinner,sun4i-a10-dma";
49 reg = <0x01c02000 0x1000>;
50 interrupts = <27>;
51 clocks = <&ahb_gates 6>;
52 #dma-cells = <2>;
53 };
54
55 ...
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