| # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) |
| %YAML 1.2 |
| --- |
| $id: http://devicetree.org/schemas/sound/adi,max98396.yaml# |
| $schema: http://devicetree.org/meta-schemas/core.yaml# |
| |
| title: Analog Devices MAX98396 Speaker Amplifier Device Tree Bindings |
| |
| maintainers: |
| - Ryan Lee <ryans.lee@analog.com> |
| |
| description: |
| The MAX98396 is a mono Class-DG speaker amplifier with I/V sense. |
| The device provides a PCM interface for audio data and a standard |
| I2C interface for control data communication. |
| The MAX98397 is a variant of MAX98396 with wide input supply range. |
| |
| properties: |
| compatible: |
| enum: |
| - adi,max98396 |
| - adi,max98397 |
| reg: |
| maxItems: 1 |
| description: I2C address of the device. |
| |
| avdd-supply: |
| description: A 1.8V supply that powers up the AVDD pin. |
| |
| dvdd-supply: |
| description: A 1.2V supply that powers up the DVDD pin. |
| |
| dvddio-supply: |
| description: A 1.2V or 1.8V supply that powers up the VDDIO pin. |
| |
| pvdd-supply: |
| description: A 3.0V to 20V supply that powers up the PVDD pin. |
| |
| vbat-supply: |
| description: A 3.3V to 5.5V supply that powers up the VBAT pin. |
| |
| adi,vmon-slot-no: |
| description: slot number of the voltage sense monitor |
| $ref: "/schemas/types.yaml#/definitions/uint32" |
| minimum: 0 |
| maximum: 15 |
| default: 0 |
| |
| adi,imon-slot-no: |
| description: slot number of the current sense monitor |
| $ref: "/schemas/types.yaml#/definitions/uint32" |
| minimum: 0 |
| maximum: 15 |
| default: 1 |
| |
| adi,spkfb-slot-no: |
| description: slot number of speaker DSP monitor |
| $ref: "/schemas/types.yaml#/definitions/uint32" |
| minimum: 0 |
| maximum: 15 |
| default: 2 |
| |
| adi,bypass-slot-no: |
| description: |
| Selects the PCM data input channel that is routed to the speaker |
| audio processing bypass path. |
| $ref: "/schemas/types.yaml#/definitions/uint32" |
| minimum: 0 |
| maximum: 15 |
| default: 0 |
| |
| adi,interleave-mode: |
| description: |
| For cases where a single combined channel for the I/V sense data |
| is not sufficient, the device can also be configured to share |
| a single data output channel on alternating frames. |
| In this configuration, the current and voltage data will be frame |
| interleaved on a single output channel. |
| type: boolean |
| |
| reset-gpios: |
| maxItems: 1 |
| |
| required: |
| - compatible |
| - reg |
| |
| additionalProperties: false |
| |
| examples: |
| - | |
| #include <dt-bindings/gpio/gpio.h> |
| i2c { |
| #address-cells = <1>; |
| #size-cells = <0>; |
| max98396: amplifier@39 { |
| compatible = "adi,max98396"; |
| reg = <0x39>; |
| dvdd-supply = <®ulator_1v2>; |
| dvddio-supply = <®ulator_1v8>; |
| avdd-supply = <®ulator_1v8>; |
| pvdd-supply = <®ulator_pvdd>; |
| adi,vmon-slot-no = <0>; |
| adi,imon-slot-no = <1>; |
| reset-gpios = <&gpio 4 GPIO_ACTIVE_LOW>; |
| }; |
| }; |