1 # SPDX-License-Identifier: GPL-2.0-only OR BSD
2 # Copyright (C) 2022 Texas Instruments Incorpo
3 %YAML 1.2
4 ---
5 $id: http://devicetree.org/schemas/sound/ti,tl
6 $schema: http://devicetree.org/meta-schemas/co
7
8 title: Texas Instruments TLV320AIC3x Codec
9
10 description: |
11 TLV320AIC3x are a series of low-power stereo
12 headphone amplifier, as well as multiple inp
13 single-ended or fully differential configura
14
15 The serial control bus supports SPI or I2C p
16 data bus is programmable for I2S, left/right
17
18 The following pins can be referred in the so
19
20 CODEC output pins:
21 LLOUT
22 RLOUT
23 MONO_LOUT
24 HPLOUT
25 HPROUT
26 HPLCOM
27 HPRCOM
28
29 CODEC input pins for TLV320AIC3104:
30 MIC2L
31 MIC2R
32 LINE1L
33 LINE1R
34
35 CODEC input pins for other compatible codecs
36 MIC3L
37 MIC3R
38 LINE1L
39 LINE2L
40 LINE1R
41 LINE2R
42
43 maintainers:
44 - Jai Luthra <j-luthra@ti.com>
45
46 properties:
47 compatible:
48 enum:
49 - ti,tlv320aic3x
50 - ti,tlv320aic33
51 - ti,tlv320aic3007
52 - ti,tlv320aic3106
53 - ti,tlv320aic3104
54
55 reg:
56 maxItems: 1
57
58 reset-gpios:
59 maxItems: 1
60 description:
61 GPIO specification for the active low RE
62
63 gpio-reset:
64 $ref: /schemas/types.yaml#/definitions/uin
65 maxItems: 1
66 description:
67 Deprecated, please use reset-gpios inste
68 deprecated: true
69
70 ai3x-gpio-func:
71 description: AIC3X_GPIO1 & AIC3X_GPIO2 Fun
72 $ref: /schemas/types.yaml#/definitions/uin
73 maxItems: 2
74
75 ai3x-micbias-vg:
76 description: MicBias required voltage. If
77 $ref: /schemas/types.yaml#/definitions/uin
78 oneOf:
79 - const: 1
80 description: MICBIAS output is powered
81 - const: 2
82 description: MICBIAS output is powered
83 - const: 3
84 description: MICBIAS output is connect
85
86 ai3x-ocmv:
87 description: Output Common-Mode Voltage se
88 $ref: /schemas/types.yaml#/definitions/uin
89 oneOf:
90 - const: 0
91 description: 1.35V
92 - const: 1
93 description: 1.5V
94 - const: 2
95 description: 1.65V
96 - const: 3
97 description: 1.8V
98
99 AVDD-supply:
100 description: Analog DAC voltage.
101
102 IOVDD-supply:
103 description: I/O voltage.
104
105 DRVDD-supply:
106 description: ADC analog and output driver
107
108 DVDD-supply:
109 description: Digital core voltage.
110
111 '#sound-dai-cells':
112 const: 0
113
114 clocks:
115 maxItems: 1
116
117 port:
118 $ref: audio-graph-port.yaml#
119 unevaluatedProperties: false
120
121 required:
122 - compatible
123 - reg
124
125 additionalProperties: false
126
127 examples:
128 - |
129 #include <dt-bindings/gpio/gpio.h>
130 i2c {
131 #address-cells = <1>;
132 #size-cells = <0>;
133
134 tlv320aic3x_i2c: audio-codec@1b {
135 compatible = "ti,tlv320aic3x";
136 reg = <0x1b>;
137
138 reset-gpios = <&gpio1 17 GPIO_ACTIVE_L
139
140 AVDD-supply = <®ulator>;
141 IOVDD-supply = <®ulator>;
142 DRVDD-supply = <®ulator>;
143 DVDD-supply = <®ulator>;
144 };
145 };
146
147 - |
148 #include <dt-bindings/gpio/gpio.h>
149 spi {
150 #address-cells = <1>;
151 #size-cells = <0>;
152
153 tlv320aic3x_spi: audio-codec@0 {
154 compatible = "ti,tlv320aic3x";
155 reg = <0>; /* CS number */
156 #sound-dai-cells = <0>;
157
158 AVDD-supply = <®ulator>;
159 IOVDD-supply = <®ulator>;
160 DRVDD-supply = <®ulator>;
161 DVDD-supply = <®ulator>;
162 ai3x-ocmv = <0>;
163 };
164 };
165
166 ...
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