1 # SPDX-License-Identifier: GPL-2.0-only OR BSD
2 %YAML 1.2
3 ---
4 $id: http://devicetree.org/schemas/sound/asahi
5 $schema: http://devicetree.org/meta-schemas/co
6
7 title: AK4458 audio DAC
8
9 maintainers:
10 - Shengjiu Wang <shengjiu.wang@nxp.com>
11
12 properties:
13 compatible:
14 enum:
15 - asahi-kasei,ak4458
16 - asahi-kasei,ak4497
17
18 reg:
19 maxItems: 1
20
21 avdd-supply:
22 description: Analog power supply
23
24 dvdd-supply:
25 description: Digital power supply
26
27 reset-gpios:
28 maxItems: 1
29
30 mute-gpios:
31 maxItems: 1
32 description:
33 GPIO used to mute all the outputs
34
35 dsd-path:
36 description: Select DSD input pins for ak4
37 $ref: /schemas/types.yaml#/definitions/uin
38 oneOf:
39 - const: 0
40 description: "select #16, #17, #19 pin
41 - const: 1
42 description: "select #3, #4, #5 pins"
43
44 required:
45 - compatible
46 - reg
47
48 allOf:
49 - if:
50 properties:
51 compatible:
52 contains:
53 const: asahi-kasei,ak4458
54
55 then:
56 properties:
57 dsd-path: false
58
59 additionalProperties: false
60
61 examples:
62 - |
63 #include <dt-bindings/gpio/gpio.h>
64 i2c {
65 #address-cells = <1>;
66 #size-cells = <0>;
67 codec@10 {
68 compatible = "asahi-kasei,ak4458";
69 reg = <0x10>;
70 reset-gpios = <&gpio1 10 GPIO_ACTI
71 mute-gpios = <&gpio1 11 GPIO_ACTIV
72 };
73 };
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