# SPDX-License-Identifier: GPL-2.0 %YAML 1.2 --- $id: http://devicetree.org/schemas/sound/richtek,rt9120.yaml# $schema: http://devicetree.org/meta-schemas/core.yaml# title: Richtek RT9120 Class-D audio amplifier maintainers: - ChiYuan Huang description: | The RT9120 is a high efficiency, I2S-input, stereo audio power amplifier delivering 2*20W into 8 Ohm BTL speaker loads. It supports the wide input voltage range from 4.5V to 26.4V to meet the need on most common applications like as TV, monitors. home entertainment, electronic music equipment. allOf: - $ref: dai-common.yaml# properties: compatible: enum: - richtek,rt9120 reg: description: I2C device address maxItems: 1 pwdnn-gpios: description: GPIO used for power down, low active maxItems: 1 dvdd-supply: description: | Supply for the default on DVDD power, voltage domain must be 3P3V or 1P8V '#sound-dai-cells': const: 0 required: - compatible - reg - dvdd-supply - '#sound-dai-cells' unevaluatedProperties: false examples: - | i2c { #address-cells = <1>; #size-cells = <0>; rt9120@1a { compatible = "richtek,rt9120"; reg = <0x1a>; pwdnn-gpios = <&gpio26 2 0>; dvdd-supply = <&vdd_io_reg>; #sound-dai-cells = <0>; }; };