1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
2 # Copyright (C) 2019-20 Texas Instruments Incorporated
3 %YAML 1.2
4 ---
5 $id: http://devicetree.org/schemas/sound/ti,tas2770.yaml#
6 $schema: http://devicetree.org/meta-schemas/core.yaml#
7
8 title: Texas Instruments TAS2770 Smart PA
9
10 maintainers:
11 - Shi Fu <shifu0704@thundersoft.com>
12
13 description: |
14 The TAS2770 is a mono, digital input Class-D audio amplifier optimized for
15 efficiently driving high peak power into small loudspeakers.
16 Integrated speaker voltage and current sense provides for
17 real time monitoring of loudspeaker behavior.
18
19 allOf:
20 - $ref: dai-common.yaml#
21
22 properties:
23 compatible:
24 enum:
25 - ti,tas2770
26
27 reg:
28 maxItems: 1
29 description: |
30 I2C address of the device can be between 0x41 to 0x48.
31
32 reset-gpio:
33 maxItems: 1
34 description: GPIO used to reset the device.
35
36 shutdown-gpios:
37 maxItems: 1
38 description: GPIO used to control the state of the device.
39
40 interrupts:
41 maxItems: 1
42
43 ti,imon-slot-no:
44 $ref: /schemas/types.yaml#/definitions/uint32
45 description: TDM TX current sense time slot.
46
47 ti,vmon-slot-no:
48 $ref: /schemas/types.yaml#/definitions/uint32
49 description: TDM TX voltage sense time slot.
50
51 ti,asi-format:
52 deprecated: true
53 $ref: /schemas/types.yaml#/definitions/uint32
54 description: Sets TDM RX capture edge.
55 enum:
56 - 0 # Rising edge
57 - 1 # Falling edge
58
59 '#sound-dai-cells':
60 # The codec has a single DAI, the #sound-dai-cells=<1>; case is left in for backward
61 # compatibility but is deprecated.
62 enum: [0, 1]
63
64 required:
65 - compatible
66 - reg
67
68 unevaluatedProperties: false
69
70 examples:
71 - |
72 #include <dt-bindings/gpio/gpio.h>
73 i2c {
74 #address-cells = <1>;
75 #size-cells = <0>;
76 codec: codec@41 {
77 compatible = "ti,tas2770";
78 reg = <0x41>;
79 #sound-dai-cells = <0>;
80 interrupt-parent = <&gpio1>;
81 interrupts = <14>;
82 reset-gpio = <&gpio1 15 0>;
83 shutdown-gpios = <&gpio1 14 0>;
84 ti,imon-slot-no = <0>;
85 ti,vmon-slot-no = <2>;
86 };
87 };
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