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
7 title: Ingenic SoCs AC97 / I2S Controller (AIC)
8
9 maintainers:
10 - Paul Cercueil <paul@crapouillou.net>
11
12 allOf:
13 - $ref: dai-common.yaml#
14
15 properties:
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
60 unevaluatedProperties: false
61
62 required:
63 - compatible
64 - reg
65 - interrupts
66 - clocks
67 - clock-names
68 - dmas
69 - dma-names
70 - '#sound-dai-cells'
71
72 examples:
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 };
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