Book a Demo!
CoCalc Logo Icon
StoreFeaturesDocsShareSupportNewsAboutPoliciesSign UpSign In
torvalds
GitHub Repository: torvalds/linux
Path: blob/master/Documentation/devicetree/bindings/dma/marvell,mmp-dma.yaml
26308 views
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
};
73
74