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1# SPDX-License-Identifier: GPL-2.02%YAML 1.23---4$id: http://devicetree.org/schemas/sound/richtek,rt9120.yaml#5$schema: http://devicetree.org/meta-schemas/core.yaml#6 7title: Richtek RT9120 Class-D audio amplifier8 9maintainers:10 - ChiYuan Huang <cy_huang@richtek.com>11 12description: |13 The RT9120 is a high efficiency, I2S-input, stereo audio power amplifier14 delivering 2*20W into 8 Ohm BTL speaker loads. It supports the wide input15 voltage range from 4.5V to 26.4V to meet the need on most common16 applications like as TV, monitors. home entertainment, electronic music17 equipment.18 19allOf:20 - $ref: dai-common.yaml#21 22properties:23 compatible:24 enum:25 - richtek,rt912026 27 reg:28 description: I2C device address29 maxItems: 130 31 pwdnn-gpios:32 description: GPIO used for power down, low active33 maxItems: 134 35 dvdd-supply:36 description: |37 Supply for the default on DVDD power, voltage domain must be 3P3V or 1P8V38 39 '#sound-dai-cells':40 const: 041 42required:43 - compatible44 - reg45 - dvdd-supply46 - '#sound-dai-cells'47 48unevaluatedProperties: false49 50examples:51 - |52 i2c {53 #address-cells = <1>;54 #size-cells = <0>;55 rt9120@1a {56 compatible = "richtek,rt9120";57 reg = <0x1a>;58 pwdnn-gpios = <&gpio26 2 0>;59 dvdd-supply = <&vdd_io_reg>;60 #sound-dai-cells = <0>;61 };62 };63