xref: /linux/Documentation/devicetree/bindings/dma/fsl,mxs-dma.yaml (revision ae22a94997b8a03dcb3c922857c203246711f9d4) 
1# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause
2%YAML 1.2
3---
4$id: http://devicetree.org/schemas/dma/fsl,mxs-dma.yaml#
5$schema: http://devicetree.org/meta-schemas/core.yaml#
6
7title: Freescale Direct Memory Access (DMA) Controller from i.MX23/i.MX28
8
9maintainers:
10  - Marek Vasut <marex@denx.de>
11
12allOf:
13  - $ref: dma-controller.yaml#
14
15properties:
16  compatible:
17    oneOf:
18      - items:
19          - enum:
20              - fsl,imx6q-dma-apbh
21              - fsl,imx6sx-dma-apbh
22              - fsl,imx7d-dma-apbh
23          - const: fsl,imx28-dma-apbh
24      - enum:
25          - fsl,imx23-dma-apbh
26          - fsl,imx23-dma-apbx
27          - fsl,imx28-dma-apbh
28          - fsl,imx28-dma-apbx
29  reg:
30    maxItems: 1
31
32  clocks:
33    maxItems: 1
34
35  interrupts:
36    minItems: 4
37    maxItems: 16
38
39  "#dma-cells":
40    const: 1
41
42  dma-channels:
43    enum: [4, 8, 16]
44
45required:
46  - compatible
47  - reg
48  - "#dma-cells"
49  - dma-channels
50  - interrupts
51
52additionalProperties: false
53
54examples:
55  - |
56    interrupt-parent = <&irqc>;
57
58    dma-controller@80004000 {
59      compatible = "fsl,imx28-dma-apbh";
60      reg = <0x80004000 0x2000>;
61      interrupts = <82 83 84 85
62                    88 88 88 88
63                    88 88 88 88
64                    87 86 0 0>;
65      #dma-cells = <1>;
66      dma-channels = <16>;
67    };
68
69    dma-controller@80024000 {
70      compatible = "fsl,imx28-dma-apbx";
71      reg = <0x80024000 0x2000>;
72      interrupts = <78 79 66 0
73                    80 81 68 69
74                    70 71 72 73
75                    74 75 76 77>;
76      #dma-cells = <1>;
77      dma-channels = <16>;
78    };
79
80...
81