xref: /linux/Documentation/devicetree/bindings/sound/ingenic,aic.yaml (revision 02680c23d7b3febe45ea3d4f9818c2b2dc89020a) 
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) DT bindings
8
9maintainers:
10  - Paul Cercueil <paul@crapouillou.net>
11
12properties:
13  $nodename:
14    pattern: '^audio-controller@'
15
16  compatible:
17    oneOf:
18      - enum:
19          - ingenic,jz4740-i2s
20          - ingenic,jz4760-i2s
21          - ingenic,jz4770-i2s
22          - ingenic,jz4780-i2s
23      - items:
24          - const: ingenic,jz4725b-i2s
25          - const: ingenic,jz4740-i2s
26
27  '#sound-dai-cells':
28    const: 0
29
30  reg:
31    maxItems: 1
32
33  interrupts:
34    maxItems: 1
35
36  clocks:
37    items:
38      - description: AIC clock
39      - description: I2S clock
40      - description: EXT clock
41      - description: PLL/2 clock
42
43  clock-names:
44    items:
45      - const: aic
46      - const: i2s
47      - const: ext
48      - const: pll half
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
60additionalProperties: 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/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               <&cgu JZ4740_CLK_EXT>,
87               <&cgu JZ4740_CLK_PLL_HALF>;
88      clock-names = "aic", "i2s", "ext", "pll half";
89
90      dmas = <&dmac 25 0xffffffff>, <&dmac 24 0xffffffff>;
91      dma-names = "rx", "tx";
92    };
93