xref: /linux/Documentation/devicetree/bindings/sound/atmel,at91sam9g20ek-wm8731.yaml (revision bbfd5594756011167b8f8de9a00e0c946afda1e6) 
1# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
2%YAML 1.2
3---
4$id: http://devicetree.org/schemas/sound/atmel,at91sam9g20ek-wm8731.yaml#
5$schema: http://devicetree.org/meta-schemas/core.yaml#
6
7title: Atmel at91sam9g20ek wm8731 audio complex
8
9maintainers:
10  - Balakrishnan Sambath <balakrishnan.s@microchip.com>
11
12description:
13  The audio complex configuration for Atmel at91sam9g20ek with WM8731 audio codec.
14
15properties:
16  compatible:
17    const: atmel,at91sam9g20ek-wm8731-audio
18
19  atmel,model:
20    $ref: /schemas/types.yaml#/definitions/string
21    description: The user-visible name of this sound complex.
22
23  atmel,audio-routing:
24    $ref: /schemas/types.yaml#/definitions/non-unique-string-array
25    description: A list of the connections between audio components.
26    minItems: 2
27    maxItems: 4
28    items:
29      enum:
30        # Board Connectors
31        - Ext Spk
32        - Int Mic
33
34        # CODEC Pins
35        - LOUT
36        - ROUT
37        - LHPOUT
38        - RHPOUT
39        - LLINEIN
40        - RLINEIN
41        - MICIN
42
43  atmel,ssc-controller:
44    $ref: /schemas/types.yaml#/definitions/phandle
45    description: The phandle of the SSC controller.
46
47  atmel,audio-codec:
48    $ref: /schemas/types.yaml#/definitions/phandle
49    description: The phandle of WM8731 audio codec.
50
51required:
52  - compatible
53  - atmel,model
54  - atmel,audio-routing
55  - atmel,ssc-controller
56  - atmel,audio-codec
57
58additionalProperties: false
59
60examples:
61  - |
62    sound {
63        compatible = "atmel,at91sam9g20ek-wm8731-audio";
64        pinctrl-names = "default";
65        pinctrl-0 = <&pinctrl_pck0_as_mck>;
66        atmel,model = "wm8731 @ AT91SAMG20EK";
67        atmel,audio-routing =
68            "Ext Spk", "LHPOUT",
69            "Int Mic", "MICIN";
70        atmel,ssc-controller = <&ssc0>;
71        atmel,audio-codec = <&wm8731>;
72    };
73