Based on kernel version 6.11
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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 | # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) %YAML 1.2 --- $id: http://devicetree.org/schemas/sound/awinic,aw8738.yaml# $schema: http://devicetree.org/meta-schemas/core.yaml# title: Awinic AW8738 Audio Amplifier maintainers: - Stephan Gerhold <stephan@gerhold.net> description: The Awinic AW8738 is a simple audio amplifier with different operation modes (set using one-wire pulse control). The mode configures the speaker-guard function (primarily the power limit for the amplifier). allOf: - $ref: dai-common.yaml# properties: compatible: const: awinic,aw8738 mode-gpios: description: GPIO used for one-wire pulse control. The pin is typically called SHDN (active-low), but this is misleading since it is actually more than just a simple shutdown/enable control. maxItems: 1 awinic,mode: description: Operation mode (number of pulses for one-wire pulse control) $ref: /schemas/types.yaml#/definitions/uint32 minimum: 1 maximum: 7 sound-name-prefix: true required: - compatible - mode-gpios - awinic,mode additionalProperties: false examples: - | #include <dt-bindings/gpio/gpio.h> audio-amplifier { compatible = "awinic,aw8738"; mode-gpios = <&msmgpio 114 GPIO_ACTIVE_HIGH>; awinic,mode = <5>; sound-name-prefix = "Speaker Amp"; }; |