2023-08-30 17:31:07 +02:00
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# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
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# Copyright (C) 2019-20 Texas Instruments Incorporated
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%YAML 1.2
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---
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2023-10-24 12:59:35 +02:00
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$id: http://devicetree.org/schemas/sound/tas2770.yaml#
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$schema: http://devicetree.org/meta-schemas/core.yaml#
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2023-08-30 17:31:07 +02:00
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title: Texas Instruments TAS2770 Smart PA
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maintainers:
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- Shi Fu <shifu0704@thundersoft.com>
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description: |
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The TAS2770 is a mono, digital input Class-D audio amplifier optimized for
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efficiently driving high peak power into small loudspeakers.
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Integrated speaker voltage and current sense provides for
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real time monitoring of loudspeaker behavior.
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allOf:
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- $ref: dai-common.yaml#
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properties:
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compatible:
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enum:
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- ti,tas2770
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reg:
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maxItems: 1
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description: |
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I2C address of the device can be between 0x41 to 0x48.
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reset-gpio:
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maxItems: 1
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description: GPIO used to reset the device.
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shutdown-gpios:
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maxItems: 1
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description: GPIO used to control the state of the device.
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interrupts:
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maxItems: 1
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ti,imon-slot-no:
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$ref: /schemas/types.yaml#/definitions/uint32
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description: TDM TX current sense time slot.
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ti,vmon-slot-no:
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$ref: /schemas/types.yaml#/definitions/uint32
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description: TDM TX voltage sense time slot.
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ti,asi-format:
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deprecated: true
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$ref: /schemas/types.yaml#/definitions/uint32
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description: Sets TDM RX capture edge.
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enum:
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- 0 # Rising edge
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- 1 # Falling edge
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'#sound-dai-cells':
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# The codec has a single DAI, the #sound-dai-cells=<1>; case is left in for backward
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# compatibility but is deprecated.
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enum: [0, 1]
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required:
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- compatible
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- reg
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unevaluatedProperties: false
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examples:
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- |
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#include <dt-bindings/gpio/gpio.h>
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2023-10-24 12:59:35 +02:00
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i2c {
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#address-cells = <1>;
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#size-cells = <0>;
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codec: codec@41 {
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compatible = "ti,tas2770";
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reg = <0x41>;
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#sound-dai-cells = <0>;
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interrupt-parent = <&gpio1>;
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interrupts = <14>;
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reset-gpio = <&gpio1 15 0>;
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shutdown-gpios = <&gpio1 14 0>;
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ti,imon-slot-no = <0>;
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ti,vmon-slot-no = <2>;
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};
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};
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