1 # SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
2 %YAML 1.2
3 ---
4 $id: http://devicetree.org/schemas/sound/wlf,wm8978.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
6
7 title: Wolfson WM8978 Codec
8
9 maintainers:
10 - patches@opensource.cirrus.com
11
12 allOf:
13 - $ref: dai-common.yaml#
14
15 properties:
16 '#sound-dai-cells':
17 const: 0
18
19 compatible:
20 const: wlf,wm8978
21
22 reg:
23 maxItems: 1
24
25 spi-max-frequency:
26 maximum: 526000
27
28 required:
29 - '#sound-dai-cells'
30 - compatible
31 - reg
32
33 unevaluatedProperties: false
34
35 examples:
36 - |
37 spi {
38 #address-cells = <1>;
39 #size-cells = <0>;
40
41 codec@0 {
42 #sound-dai-cells = <0>;
43 compatible = "wlf,wm8978";
44 reg = <0>;
45 spi-max-frequency = <500000>;
46 };
47 };
48
49 - |
50 i2c {
51 #address-cells = <1>;
52 #size-cells = <0>;
53
54 codec@1a {
55 #sound-dai-cells = <0>;
56 compatible = "wlf,wm8978";
57 reg = <0x1a>;
58 };
59 };
60
61 ...
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