xref: /freebsd/sys/contrib/device-tree/Bindings/sound/maxim,max98357a.yaml (revision fe75646a0234a261c0013bf1840fdac4acaf0cec) 
1# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause
2%YAML 1.2
3---
4$id: http://devicetree.org/schemas/sound/maxim,max98357a.yaml#
5$schema: http://devicetree.org/meta-schemas/core.yaml#
6
7title: Maxim Integrated MAX98357A/MAX98360A amplifier
8
9maintainers:
10  - Tzung-Bi Shih <tzungbi@kernel.org>
11
12description:
13  Maxim Integrated MAX98357A/MAX98360A is a digital pulse-code modulation (PCM)
14  input Class D amplifier.
15
16allOf:
17  - $ref: dai-common.yaml#
18
19properties:
20  compatible:
21    enum:
22      - maxim,max98357a
23      - maxim,max98360a
24
25  '#sound-dai-cells':
26    const: 0
27
28  sdmode-gpios:
29    maxItems: 1
30    description:
31      Chip's SD_MODE pin.  If missing the chip is always on.
32
33  sdmode-delay:
34    $ref: /schemas/types.yaml#/definitions/uint32
35    description:
36      Delay time for SD_MODE pin changes intended to make I2S clocks ready
37      before SD_MODE is unmuted in order to avoid the speaker pop noise.
38
39required:
40  - compatible
41
42unevaluatedProperties: false
43
44examples:
45  - |
46    #include <dt-bindings/gpio/gpio.h>
47
48    amplifier {
49        compatible = "maxim,max98360a";
50        #sound-dai-cells = <0>;
51        sdmode-gpios = <&qcom_pinmux 25 GPIO_ACTIVE_HIGH>;
52    };
53