xref: /linux/Documentation/devicetree/bindings/sound/ingenic,aic.yaml (revision 2f98e686ef59b5d19af5847d755798e2031bee3a) 
1# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
2%YAML 1.2
3---
4$id: http://devicetree.org/schemas/sound/ingenic,aic.yaml#
5$schema: http://devicetree.org/meta-schemas/core.yaml#
6
7title: Ingenic SoCs AC97 / I2S Controller (AIC)
8
9maintainers:
10  - Paul Cercueil <paul@crapouillou.net>
11
12allOf:
13  - $ref: dai-common.yaml#
14
15properties:
16  $nodename:
17    pattern: '^audio-controller@'
18
19  compatible:
20    oneOf:
21      - enum:
22          - ingenic,jz4740-i2s
23          - ingenic,jz4760-i2s
24          - ingenic,jz4770-i2s
25          - ingenic,jz4780-i2s
26          - ingenic,x1000-i2s
27      - items:
28          - const: ingenic,jz4725b-i2s
29          - const: ingenic,jz4740-i2s
30
31  '#sound-dai-cells':
32    const: 0
33
34  reg:
35    maxItems: 1
36
37  interrupts:
38    maxItems: 1
39
40  clocks:
41    items:
42      - description: AIC clock
43      - description: I2S clock
44
45  clock-names:
46    items:
47      - const: aic
48      - const: i2s
49
50  dmas:
51    items:
52      - description: DMA controller phandle and request line for I2S RX
53      - description: DMA controller phandle and request line for I2S TX
54
55  dma-names:
56    items:
57      - const: rx
58      - const: tx
59
60unevaluatedProperties: false
61
62required:
63  - compatible
64  - reg
65  - interrupts
66  - clocks
67  - clock-names
68  - dmas
69  - dma-names
70  - '#sound-dai-cells'
71
72examples:
73  - |
74    #include <dt-bindings/clock/ingenic,jz4740-cgu.h>
75    aic: audio-controller@10020000 {
76      compatible = "ingenic,jz4740-i2s";
77      reg = <0x10020000 0x38>;
78
79      #sound-dai-cells = <0>;
80
81      interrupt-parent = <&intc>;
82      interrupts = <18>;
83
84      clocks = <&cgu JZ4740_CLK_AIC>,
85               <&cgu JZ4740_CLK_I2S>;
86      clock-names = "aic", "i2s";
87
88      dmas = <&dmac 25 0xffffffff>, <&dmac 24 0xffffffff>;
89      dma-names = "rx", "tx";
90    };
91