| Tom Rini | 53633a8 | 2024-02-29 12:33:36 -0500 | [diff] [blame] | 1 | # SPDX-License-Identifier: GPL-2.0 |
| 2 | %YAML 1.2 |
| 3 | --- |
| 4 | $id: http://devicetree.org/schemas/sound/richtek,rt9120.yaml# |
| 5 | $schema: http://devicetree.org/meta-schemas/core.yaml# |
| 6 | |
| 7 | title: Richtek RT9120 Class-D audio amplifier |
| 8 | |
| 9 | maintainers: |
| 10 | - ChiYuan Huang <cy_huang@richtek.com> |
| 11 | |
| 12 | description: | |
| 13 | The RT9120 is a high efficiency, I2S-input, stereo audio power amplifier |
| 14 | delivering 2*20W into 8 Ohm BTL speaker loads. It supports the wide input |
| 15 | voltage range from 4.5V to 26.4V to meet the need on most common |
| 16 | applications like as TV, monitors. home entertainment, electronic music |
| 17 | equipment. |
| 18 | |
| 19 | allOf: |
| 20 | - $ref: dai-common.yaml# |
| 21 | |
| 22 | properties: |
| 23 | compatible: |
| 24 | enum: |
| 25 | - richtek,rt9120 |
| 26 | |
| 27 | reg: |
| 28 | description: I2C device address |
| 29 | maxItems: 1 |
| 30 | |
| 31 | pwdnn-gpios: |
| 32 | description: GPIO used for power down, low active |
| 33 | maxItems: 1 |
| 34 | |
| 35 | dvdd-supply: |
| 36 | description: | |
| 37 | Supply for the default on DVDD power, voltage domain must be 3P3V or 1P8V |
| 38 | |
| 39 | '#sound-dai-cells': |
| 40 | const: 0 |
| 41 | |
| 42 | required: |
| 43 | - compatible |
| 44 | - reg |
| 45 | - dvdd-supply |
| 46 | - '#sound-dai-cells' |
| 47 | |
| 48 | unevaluatedProperties: false |
| 49 | |
| 50 | examples: |
| 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 | }; |