# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) # Copyright (C) 2022 - 2023 Texas Instruments Incorporated %YAML 1.2 --- $id: http://devicetree.org/schemas/sound/ti,tas2781.yaml# $schema: http://devicetree.org/meta-schemas/core.yaml# title: Texas Instruments TAS2781 SmartAMP maintainers: - Shenghao Ding <shenghao-ding@ti.com> description: The TAS2781 is a mono, digital input Class-D audio amplifier optimized for efficiently driving high peak power into small loudspeakers. An integrated on-chip DSP supports Texas Instruments Smart Amp speaker protection algorithm. The integrated speaker voltage and current sense provides for real time monitoring of loudspeaker behavior. allOf: - $ref: dai-common.yaml# properties: compatible: enum: - ti,tas2781 reg: description: I2C address, in multiple tas2781s case, all the i2c address aggregate as one Audio Device to support multiple audio slots. maxItems: 8 minItems: 1 items: minimum: 0x38 maximum: 0x3f reset-gpios: maxItems: 1 interrupts: maxItems: 1 '#sound-dai-cells': const: 0 required: - compatible - reg additionalProperties: false examples: - | #include <dt-bindings/gpio/gpio.h> i2c { /* example with quad tas2781s, such as tablet or pad device */ #address-cells = <1>; #size-cells = <0>; quad_tas2781: tas2781@38 { compatible = "ti,tas2781"; reg = <0x38>, /* Audio slot 0 */ <0x3a>, /* Audio slot 1 */ <0x39>, /* Audio slot 2 */ <0x3b>; /* Audio slot 3 */ #sound-dai-cells = <0>; reset-gpios = <&gpio1 10 GPIO_ACTIVE_HIGH>; interrupt-parent = <&gpio1>; interrupts = <15>; }; }; ...