xref: /freebsd/sys/contrib/device-tree/Bindings/dma/allwinner,sun4i-a10-dma.yaml (revision 7ef62cebc2f965b0f640263e179276928885e33d) 
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
7title: Allwinner A10 DMA Controller
8
9maintainers:
10  - Chen-Yu Tsai <wens@csie.org>
11  - Maxime Ripard <mripard@kernel.org>
12
13allOf:
14  - $ref: "dma-controller.yaml#"
15
16properties:
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
36required:
37  - "#dma-cells"
38  - compatible
39  - reg
40  - interrupts
41  - clocks
42
43additionalProperties: false
44
45examples:
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...
56