1 # SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause
2 %YAML 1.2
3 ---
4 $id: http://devicetree.org/schemas/sound/maxim,max98090.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
6
7 title: Maxim Integrated MAX98090/MAX98091 audio codecs
8
9 maintainers:
10 - Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
11
12 description: |
13 Pins on the device (for linking into audio routes):
14 MIC1, MIC2, DMICL, DMICR, IN1, IN2, IN3, IN4, IN5, IN6, IN12, IN34, IN56,
15 HPL, HPR, SPKL, SPKR, RCVL, RCVR, MICBIAS
16
17 allOf:
18 - $ref: dai-common.yaml#
19
20 properties:
21 compatible:
22 enum:
23 - maxim,max98090
24 - maxim,max98091
25
26 reg:
27 maxItems: 1
28
29 clocks:
30 items:
31 - description: master clock
32
33 clock-names:
34 items:
35 - const: mclk
36
37 interrupts:
38 maxItems: 1
39
40 maxim,dmic-freq:
41 $ref: /schemas/types.yaml#/definitions/uint32
42 default: 2500000
43 description:
44 DMIC clock frequency
45
46 maxim,micbias:
47 $ref: /schemas/types.yaml#/definitions/uint32
48 enum: [ 0, 1, 2, 3 ]
49 default: 3
50 description: |
51 Micbias voltage applied to the analog mic, valid voltages value are:
52 0 - 2.2v
53 1 - 2.55v
54 2 - 2.4v
55 3 - 2.8v
56
57 '#sound-dai-cells':
58 const: 0
59
60 required:
61 - compatible
62 - reg
63 - interrupts
64
65 unevaluatedProperties: false
66
67 examples:
68 - |
69 #include <dt-bindings/interrupt-controller/irq.h>
70
71 i2c {
72 #address-cells = <1>;
73 #size-cells = <0>;
74
75 audio-codec@10 {
76 compatible = "maxim,max98090";
77 reg = <0x10>;
78 interrupt-parent = <&gpx3>;
79 interrupts = <2 IRQ_TYPE_EDGE_FALLING>;
80 clocks = <&i2s0 0>;
81 clock-names = "mclk";
82 #sound-dai-cells = <0>;
83 };
84 };
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