| Tom Rini | 53633a8 | 2024-02-29 12:33:36 -0500 | [diff] [blame] | 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 | |
| 7 | title: Maxim Integrated MAX98357A/MAX98360A amplifier |
| 8 | |
| 9 | maintainers: |
| 10 | - Tzung-Bi Shih <tzungbi@kernel.org> |
| 11 | |
| 12 | description: |
| 13 | Maxim Integrated MAX98357A/MAX98360A is a digital pulse-code modulation (PCM) |
| 14 | input Class D amplifier. |
| 15 | |
| 16 | allOf: |
| 17 | - $ref: dai-common.yaml# |
| 18 | |
| 19 | properties: |
| 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 | |
| 39 | required: |
| 40 | - compatible |
| 41 | |
| 42 | unevaluatedProperties: false |
| 43 | |
| 44 | examples: |
| 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 | }; |