1 # SPDX-License-Identifier: GPL-2.0-only OR BSD 1 # SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause
2 %YAML 1.2 2 %YAML 1.2
3 --- 3 ---
4 $id: http://devicetree.org/schemas/sound/maxim 4 $id: http://devicetree.org/schemas/sound/maxim,max98357a.yaml#
5 $schema: http://devicetree.org/meta-schemas/co 5 $schema: http://devicetree.org/meta-schemas/core.yaml#
6 6
7 title: Maxim Integrated MAX98357A/MAX98360A am 7 title: Maxim Integrated MAX98357A/MAX98360A amplifier
8 8
9 maintainers: 9 maintainers:
10 - Tzung-Bi Shih <tzungbi@kernel.org> 10 - Tzung-Bi Shih <tzungbi@kernel.org>
11 11
12 description: 12 description:
13 Maxim Integrated MAX98357A/MAX98360A is a di 13 Maxim Integrated MAX98357A/MAX98360A is a digital pulse-code modulation (PCM)
14 input Class D amplifier. 14 input Class D amplifier.
15 15
16 allOf: 16 allOf:
17 - $ref: dai-common.yaml# 17 - $ref: dai-common.yaml#
18 18
19 properties: 19 properties:
20 compatible: 20 compatible:
21 enum: 21 enum:
22 - maxim,max98357a 22 - maxim,max98357a
23 - maxim,max98360a 23 - maxim,max98360a
24 24
25 '#sound-dai-cells': 25 '#sound-dai-cells':
26 const: 0 26 const: 0
27 27
28 sdmode-gpios: 28 sdmode-gpios:
29 maxItems: 1 29 maxItems: 1
30 description: 30 description:
31 Chip's SD_MODE pin. If missing the chip 31 Chip's SD_MODE pin. If missing the chip is always on.
32 32
33 sdmode-delay: 33 sdmode-delay:
34 $ref: /schemas/types.yaml#/definitions/uin 34 $ref: /schemas/types.yaml#/definitions/uint32
35 description: 35 description:
36 Delay time for SD_MODE pin changes inten 36 Delay time for SD_MODE pin changes intended to make I2S clocks ready
37 before SD_MODE is unmuted in order to av 37 before SD_MODE is unmuted in order to avoid the speaker pop noise.
38 38
39 required: 39 required:
40 - compatible 40 - compatible
41 41
42 unevaluatedProperties: false 42 unevaluatedProperties: false
43 43
44 examples: 44 examples:
45 - | 45 - |
46 #include <dt-bindings/gpio/gpio.h> 46 #include <dt-bindings/gpio/gpio.h>
47 47
48 amplifier { 48 amplifier {
49 compatible = "maxim,max98360a"; 49 compatible = "maxim,max98360a";
50 #sound-dai-cells = <0>; 50 #sound-dai-cells = <0>;
51 sdmode-gpios = <&qcom_pinmux 25 GPIO_A 51 sdmode-gpios = <&qcom_pinmux 25 GPIO_ACTIVE_HIGH>;
52 }; 52 };
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