xref: /freebsd/sys/contrib/device-tree/Bindings/sound/cirrus,ep9301-i2s.yaml (revision a64729f5077d77e13b9497cb33ecb3c82e606ee8) 
1# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
2%YAML 1.2
3---
4$id: http://devicetree.org/schemas/sound/cirrus,ep9301-i2s.yaml#
5$schema: http://devicetree.org/meta-schemas/core.yaml#
6
7title: Cirrus EP93xx I2S Controller
8
9description: |
10  The I2S controller is used to stream serial audio data between the external
11  I2S CODECs’, ADCs/DACs, and the ARM Core. The controller supports I2S, Left-
12  and Right-Justified DSP formats.
13
14maintainers:
15  - Alexander Sverdlin <alexander.sverdlin@gmail.com>
16
17allOf:
18  - $ref: dai-common.yaml#
19
20properties:
21  compatible:
22    const: cirrus,ep9301-i2s
23
24  '#sound-dai-cells':
25    const: 0
26
27  reg:
28    maxItems: 1
29
30  interrupts:
31    maxItems: 1
32
33  clocks:
34    minItems: 3
35    maxItems: 3
36
37  clock-names:
38    items:
39      - const: mclk
40      - const: sclk
41      - const: lrclk
42
43required:
44  - compatible
45  - '#sound-dai-cells'
46  - reg
47  - clocks
48  - clock-names
49
50additionalProperties: false
51
52examples:
53  - |
54    i2s: i2s@80820000 {
55        compatible = "cirrus,ep9301-i2s";
56        #sound-dai-cells = <0>;
57        reg = <0x80820000 0x100>;
58        interrupt-parent = <&vic1>;
59        interrupts = <28>;
60        clocks = <&syscon 29>,
61                 <&syscon 30>,
62                 <&syscon 31>;
63        clock-names = "mclk", "sclk", "lrclk";
64    };
65
66...
67