| # 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 <cy_huang@richtek.com> |
| |
| 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. |
| |
| 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' |
| |
| additionalProperties: 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>; |
| }; |
| }; |
