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
7 title: Amlogic Audio AXG PDM input
8
9 maintainers:
10 - Jerome Brunet <jbrunet@baylibre.com>
11
12 properties:
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
43 required:
44 - compatible
45 - reg
46 - "#sound-dai-cells"
47 - clocks
48 - clock-names
49
50 allOf:
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
68 unevaluatedProperties: false
69
70 examples:
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 };
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