1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
2 %YAML 1.2
3 ---
4 $id: http://devicetree.org/schemas/dma/marvell,mmp-dma.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
6
7 title: Marvell MMP DMA controller
8
9 maintainers:
10 - Duje Mihanović <duje.mihanovic@skole.hr>
11
12 description:
13 Marvell MMP SoCs may have two types of DMA controllers, peripheral and audio.
14
15 properties:
16 compatible:
17 enum:
18 - marvell,pdma-1.0
19 - marvell,adma-1.0
20 - marvell,pxa910-squ
21
22 reg:
23 maxItems: 1
24
25 interrupts:
26 description:
27 Interrupt lines for the controller, may be shared or one per DMA channel
28 minItems: 1
29
30 asram:
31 description:
32 A phandle to the SRAM pool
33 $ref: /schemas/types.yaml#/definitions/phandle
34
35 '#dma-channels':
36 deprecated: true
37
38 '#dma-requests':
39 deprecated: true
40
41 required:
42 - compatible
43 - reg
44 - interrupts
45 - '#dma-cells'
46
47 allOf:
48 - $ref: dma-controller.yaml#
49 - if:
50 properties:
51 compatible:
52 contains:
53 enum:
54 - marvell,pdma-1.0
55 then:
56 properties:
57 asram: false
58 else:
59 required:
60 - asram
61
62 unevaluatedProperties: false
63
64 examples:
65 - |
66 dma-controller@d4000000 {
67 compatible = "marvell,pdma-1.0";
68 reg = <0xd4000000 0x10000>;
69 interrupts = <47>;
70 #dma-cells = <2>;
71 dma-channels = <16>;
72 };
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