xref: /linux/Documentation/devicetree/bindings/sound/sophgo,cv1800b-i2s.yaml (revision c17ee635fd3a482b2ad2bf5e269755c2eae5f25e) 
1# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
2%YAML 1.2
3---
4$id: http://devicetree.org/schemas/sound/sophgo,cv1800b-i2s.yaml#
5$schema: http://devicetree.org/meta-schemas/core.yaml#
6
7title: Sophgo CV1800B I2S/TDM controller
8
9maintainers:
10  - Anton D. Stavinskii <stavinsky@gmail.com>
11
12description: I2S/TDM controller found in CV1800B / Sophgo SG2002/SG2000 SoCs.
13
14allOf:
15  - $ref: dai-common.yaml#
16
17properties:
18  compatible:
19    const: sophgo,cv1800b-i2s
20
21  reg:
22    maxItems: 1
23
24  "#sound-dai-cells":
25    const: 0
26
27  clocks:
28    maxItems: 2
29
30  clock-names:
31    items:
32      - const: i2s
33      - const: mclk
34
35  dmas:
36    minItems: 1
37    maxItems: 2
38
39  dma-names:
40    minItems: 1
41    items:
42      - enum: [rx, tx]
43      - const: tx
44
45required:
46  - compatible
47  - reg
48  - clocks
49  - clock-names
50  - "#sound-dai-cells"
51
52unevaluatedProperties: false
53
54examples:
55  - |
56    #include <dt-bindings/clock/sophgo,cv1800.h>
57
58    i2s@4110000 {
59        compatible = "sophgo,cv1800b-i2s";
60        reg = <0x04110000 0x10000>;
61        clocks = <&clk CLK_APB_I2S1>,  <&clk CLK_SDMA_AUD1>;
62        clock-names = "i2s", "mclk";
63        dmas = <&dmamux 2 1>, <&dmamux 3 1>;
64        dma-names = "rx", "tx";
65        #sound-dai-cells = <0>;
66    };
67...
68