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