60 lines
1.3 KiB
YAML
60 lines
1.3 KiB
YAML
# 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>;
|
|
};
|
|
};
|