1 # SPDX-License-Identifier: GPL-2.0
2 %YAML 1.2
3 ---
4 $id: http://devicetree.org/schemas/dma/allwinner,sun6i-a31-dma.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
6
7 title: Allwinner A31 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: 1
19 description: The cell is the request line number.
20
21 compatible:
22 enum:
23 - allwinner,sun6i-a31-dma
24 - allwinner,sun8i-a23-dma
25 - allwinner,sun8i-a83t-dma
26 - allwinner,sun8i-h3-dma
27 - allwinner,sun8i-v3s-dma
28
29 reg:
30 maxItems: 1
31
32 interrupts:
33 maxItems: 1
34
35 clocks:
36 maxItems: 1
37
38 resets:
39 maxItems: 1
40
41 required:
42 - "#dma-cells"
43 - compatible
44 - reg
45 - interrupts
46 - clocks
47 - resets
48
49 additionalProperties: false
50
51 examples:
52 - |
53 dma: dma-controller@1c02000 {
54 compatible = "allwinner,sun6i-a31-dma";
55 reg = <0x01c02000 0x1000>;
56 interrupts = <0 50 4>;
57 clocks = <&ahb1_gates 6>;
58 resets = <&ahb1_rst 6>;
59 #dma-cells = <1>;
60 };
61
62 ...
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