1 # SPDX-License-Identifier: (GPL-2.0-only OR BS
2 # Copyright (C) 2022 - 2023 Texas Instruments
3 %YAML 1.2
4 ---
5 $id: http://devicetree.org/schemas/sound/ti,ta
6 $schema: http://devicetree.org/meta-schemas/co
7
8 title: Texas Instruments TAS2563/TAS2781 Smart
9
10 maintainers:
11 - Shenghao Ding <shenghao-ding@ti.com>
12
13 description: |
14 The TAS2563/TAS2781 is a mono, digital input
15 amplifier optimized for efficiently driving
16 small loudspeakers. An integrated on-chip DS
17 Instruments Smart Amp speaker protection alg
18 integrated speaker voltage and current sense
19 monitoring of loudspeaker behavior.
20
21 Specifications about the audio amplifier can
22 https://www.ti.com/lit/gpn/tas2563
23 https://www.ti.com/lit/gpn/tas2781
24
25 properties:
26 compatible:
27 description: |
28 ti,tas2563: 6.1-W Boosted Class-D Audio
29 DSP and IV Sense, 16/20/24/32bit stereo
30
31 ti,tas2781: 24-V Class-D Amplifier with
32 Protection and Audio Processing, 16/20/2
33 multichannel TDM.
34 oneOf:
35 - items:
36 - enum:
37 - ti,tas2563
38 - const: ti,tas2781
39 - enum:
40 - ti,tas2781
41
42 reg:
43 description:
44 I2C address, in multiple-AMP case, all t
45 aggregate as one Audio Device to support
46 maxItems: 8
47 minItems: 1
48
49 reset-gpios:
50 maxItems: 1
51
52 interrupts:
53 maxItems: 1
54
55 '#sound-dai-cells':
56 const: 0
57
58 required:
59 - compatible
60 - reg
61
62 allOf:
63 - $ref: dai-common.yaml#
64 - if:
65 properties:
66 compatible:
67 contains:
68 enum:
69 - ti,tas2563
70 then:
71 properties:
72 reg:
73 description:
74 I2C address, in multiple-AMP case,
75 aggregate as one Audio Device to s
76 maxItems: 4
77 minItems: 1
78 items:
79 minimum: 0x4c
80 maximum: 0x4f
81
82 - if:
83 properties:
84 compatible:
85 contains:
86 enum:
87 - ti,tas2781
88 then:
89 properties:
90 reg:
91 description:
92 I2C address, in multiple-AMP case,
93 aggregate as one Audio Device to s
94 maxItems: 8
95 minItems: 1
96 items:
97 minimum: 0x38
98 maximum: 0x3f
99
100 additionalProperties: false
101
102 examples:
103 - |
104 #include <dt-bindings/gpio/gpio.h>
105 i2c {
106 /* example with quad tas2781s, such as ta
107 #address-cells = <1>;
108 #size-cells = <0>;
109 quad_tas2781: tas2781@38 {
110 compatible = "ti,tas2781";
111 reg = <0x38>, /* Audio slot 0 */
112 <0x3a>, /* Audio slot 1 */
113 <0x39>, /* Audio slot 2 */
114 <0x3b>; /* Audio slot 3 */
115
116 #sound-dai-cells = <0>;
117 reset-gpios = <&gpio1 10 GPIO_ACTIVE_HI
118 interrupt-parent = <&gpio1>;
119 interrupts = <15>;
120 };
121 };
122 ...
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