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Diffstat (limited to 'Documentation/devicetree/bindings/sound/maxim,max98357a.yaml')
-rw-r--r-- | Documentation/devicetree/bindings/sound/maxim,max98357a.yaml | 52 |
1 files changed, 52 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/sound/maxim,max98357a.yaml b/Documentation/devicetree/bindings/sound/maxim,max98357a.yaml new file mode 100644 index 000000000000..83ba8666fbb4 --- /dev/null +++ b/Documentation/devicetree/bindings/sound/maxim,max98357a.yaml @@ -0,0 +1,52 @@ +# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/sound/maxim,max98357a.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Maxim Integrated MAX98357A/MAX98360A amplifier + +maintainers: + - Tzung-Bi Shih <tzungbi@kernel.org> + +description: + Maxim Integrated MAX98357A/MAX98360A is a digital pulse-code modulation (PCM) + input Class D amplifier. + +allOf: + - $ref: dai-common.yaml# + +properties: + compatible: + enum: + - maxim,max98357a + - maxim,max98360a + + '#sound-dai-cells': + const: 0 + + sdmode-gpios: + maxItems: 1 + description: + Chip's SD_MODE pin. If missing the chip is always on. + + sdmode-delay: + $ref: /schemas/types.yaml#/definitions/uint32 + description: + Delay time for SD_MODE pin changes intended to make I2S clocks ready + before SD_MODE is unmuted in order to avoid the speaker pop noise. + +required: + - compatible + +unevaluatedProperties: false + +examples: + - | + #include <dt-bindings/gpio/gpio.h> + + amplifier { + compatible = "maxim,max98360a"; + #sound-dai-cells = <0>; + sdmode-gpios = <&qcom_pinmux 25 GPIO_ACTIVE_HIGH>; + }; |