1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
2 %YAML 1.2
3 ---
4 $id: http://devicetree.org/schemas/sound/adi,adau7118.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
6
7
8 title: Analog Devices ADAU7118 8 Channel PDM to I2S/TDM Converter
9
10 maintainers:
11 - Nuno Sá <nuno.sa@analog.com>
12
13 description: |
14 Analog Devices ADAU7118 8 Channel PDM to I2S/TDM Converter over I2C or HW
15 standalone mode.
16 https://www.analog.com/media/en/technical-documentation/data-sheets/ADAU7118.pdf
17
18 properties:
19 compatible:
20 enum:
21 - adi,adau7118
22
23 reg:
24 maxItems: 1
25
26 "#sound-dai-cells":
27 const: 0
28
29 iovdd-supply:
30 description: Digital Input/Output Power Supply.
31
32 dvdd-supply:
33 description: Internal Core Digital Power Supply.
34
35 adi,decimation-ratio:
36 description: |
37 This property set's the decimation ratio of PDM to PCM audio data.
38 $ref: /schemas/types.yaml#/definitions/uint32
39 enum: [64, 32, 16]
40 default: 64
41
42 adi,pdm-clk-map:
43 description: |
44 The ADAU7118 has two PDM clocks for the four Inputs. Each input must be
45 assigned to one of these two clocks. This property set's the mapping
46 between the clocks and the inputs.
47 $ref: /schemas/types.yaml#/definitions/uint32-array
48 minItems: 4
49 maxItems: 4
50 items:
51 maximum: 1
52 default: [0, 0, 1, 1]
53
54 required:
55 - "#sound-dai-cells"
56 - compatible
57 - iovdd-supply
58 - dvdd-supply
59
60 additionalProperties: false
61
62 examples:
63 - |
64 i2c {
65 /* example with i2c support */
66 #address-cells = <1>;
67 #size-cells = <0>;
68 adau7118_codec: audio-codec@14 {
69 compatible = "adi,adau7118";
70 reg = <0x14>;
71 #sound-dai-cells = <0>;
72 iovdd-supply = <&supply>;
73 dvdd-supply = <&supply>;
74 adi,pdm-clk-map = <1 1 0 0>;
75 adi,decimation-ratio = <16>;
76 };
77 };
78
79 /* example with hw standalone mode */
80 adau7118_codec_hw: adau7118-codec-hw {
81 compatible = "adi,adau7118";
82 #sound-dai-cells = <0>;
83 iovdd-supply = <&supply>;
84 dvdd-supply = <&supply>;
85 };
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