xref: /linux/Documentation/devicetree/bindings/sound/amlogic,axg-pdm.yaml (revision c532de5a67a70f8533d495f8f2aaa9a0491c3ad0) 
1# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
2%YAML 1.2
3---
4$id: http://devicetree.org/schemas/sound/amlogic,axg-pdm.yaml#
5$schema: http://devicetree.org/meta-schemas/core.yaml#
6
7title: Amlogic Audio AXG PDM input
8
9maintainers:
10  - Jerome Brunet <jbrunet@baylibre.com>
11
12properties:
13  compatible:
14    oneOf:
15      - items:
16          - enum:
17              - amlogic,g12a-pdm
18              - amlogic,sm1-pdm
19          - const: amlogic,axg-pdm
20      - const: amlogic,axg-pdm
21
22  reg:
23    maxItems: 1
24
25  "#sound-dai-cells":
26    const: 0
27
28  clocks:
29    items:
30      - description: Peripheral clock
31      - description: PDM digital clock
32      - description: DSP system clock
33
34  clock-names:
35    items:
36      - const: pclk
37      - const: dclk
38      - const: sysclk
39
40  resets:
41    maxItems: 1
42
43required:
44  - compatible
45  - reg
46  - "#sound-dai-cells"
47  - clocks
48  - clock-names
49
50allOf:
51  - $ref: dai-common.yaml#
52
53  - if:
54      properties:
55        compatible:
56          contains:
57            enum:
58              - amlogic,g12a-pdm
59              - amlogic,sm1-pdm
60    then:
61      required:
62        - resets
63
64    else:
65      properties:
66        resets: false
67
68unevaluatedProperties: false
69
70examples:
71  - |
72    #include <dt-bindings/clock/axg-audio-clkc.h>
73
74    audio-controller@ff632000 {
75        compatible = "amlogic,axg-pdm";
76        reg = <0xff632000 0x34>;
77        #sound-dai-cells = <0>;
78        clocks = <&clkc_audio AUD_CLKID_PDM>,
79                 <&clkc_audio AUD_CLKID_PDM_DCLK>,
80                 <&clkc_audio AUD_CLKID_PDM_SYSCLK>;
81        clock-names = "pclk", "dclk", "sysclk";
82    };
83