1 # SPDX-License-Identifier: GPL-2.0
4 $id: http://devicetree.org/schemas/sound/richtek,rt9120.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
7 title: Richtek RT9120 Class-D audio amplifier
10 - ChiYuan Huang <cy_huang@richtek.com>
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
20 - $ref: dai-common.yaml#
28 description: I2C device address
32 description: GPIO used for power down, low active
37 Supply for the default on DVDD power, voltage domain must be 3P3V or 1P8V
48 unevaluatedProperties: false
56 compatible = "richtek,rt9120";
58 pwdnn-gpios = <&gpio26 2 0>;
59 dvdd-supply = <&vdd_io_reg>;
60 #sound-dai-cells = <0>;