1 # SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
2 %YAML 1.2
3 ---
4 $id: http://devicetree.org/schemas/sound/richtek,rtq9128.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
6
7 title: Richtek RTQ9128 Automative Audio Power Amplifier
8
9 maintainers:
10 - ChiYuan Huang <cy_huang@richtek.com>
11
12 description:
13 The RTQ9128 is a ultra-low output noise, high-efficiency, four-channel
14 class-D audio power amplifier and delivering 4x75W into 4OHm at 10%
15 THD+N from a 25V supply in automotive applications.
16
17 allOf:
18 - $ref: dai-common.yaml#
19
20 properties:
21 compatible:
22 enum:
23 - richtek,rtq9128
24
25 reg:
26 maxItems: 1
27
28 enable-gpios:
29 maxItems: 1
30
31 richtek,tdm-input-data2-select:
32 type: boolean
33 description:
34 By default, if TDM mode is used, TDM data input will select 'DATA1' pin
35 as the data source. This option will configure TDM data input source from
36 'DATA1' to 'DATA2' pin.
37
38 '#sound-dai-cells':
39 const: 0
40
41 required:
42 - compatible
43 - reg
44 - '#sound-dai-cells'
45
46 unevaluatedProperties: false
47
48 examples:
49 - |
50 #include <dt-bindings/gpio/gpio.h>
51 i2c {
52 #address-cells = <1>;
53 #size-cells = <0>;
54
55 speaker@1a {
56 compatible = "richtek,rtq9128";
57 reg = <0x1a>;
58 enable-gpios = <&gpio 26 GPIO_ACTIVE_HIGH>;
59 #sound-dai-cells = <0>;
60 };
61 };
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