1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
2 %YAML 1.2
3 ---
4 $id: http://devicetree.org/schemas/sound/ti,tlv320dac3100.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
6
7 title: Texas Instruments - tlv320aic31xx Codec module
8
9 maintainers:
10 - Shenghao Ding <shenghao-ding@ti.com>
11
12 description: |
13 CODEC output pins:
14 * HPL
15 * HPR
16 * SPL, devices with stereo speaker amp
17 * SPR, devices with stereo speaker amp
18 * SPK, devices with mono speaker amp
19 * MICBIAS
20
21 CODEC input pins:
22 * MIC1LP, devices with ADC
23 * MIC1RP, devices with ADC
24 * MIC1LM, devices with ADC
25 * AIN1, devices without ADC
26 * AIN2, devices without ADC
27
28 The pins can be used in referring sound node's audio-routing property.
29
30 properties:
31 compatible:
32 enum:
33 - ti,tlv320aic310x # - Generic TLV320AIC31xx with mono speaker amp
34 - ti,tlv320aic311x # - Generic TLV320AIC31xx with stereo speaker amp
35 - ti,tlv320aic3100 # - TLV320AIC3100 (mono speaker amp, no MiniDSP)
36 - ti,tlv320aic3110 # - TLV320AIC3110 (stereo speaker amp, no MiniDSP)
37 - ti,tlv320aic3120 # - TLV320AIC3120 (mono speaker amp, MiniDSP)
38 - ti,tlv320aic3111 # - TLV320AIC3111 (stereo speaker amp, MiniDSP)
39 - ti,tlv320dac3100 # - TLV320DAC3100 (no ADC, mono speaker amp, no MiniDSP)
40 - ti,tlv320dac3101 # - TLV320DAC3101 (no ADC, stereo speaker amp, no MiniDSP)
41
42 reg:
43 maxItems: 1
44
45 '#sound-dai-cells':
46 const: 0
47
48 HPVDD-supply: true
49
50 SPRVDD-supply: true
51
52 SPLVDD-supply: true
53
54 AVDD-supply: true
55
56 IOVDD-supply: true
57
58 DVDD-supply: true
59
60 reset-gpios:
61 description: GPIO specification for the active low RESET input.
62
63 ai31xx-micbias-vg:
64 $ref: /schemas/types.yaml#/definitions/uint32
65 default: 1
66 enum: [1, 2, 3]
67 description: |
68 MicBias Voltage setting
69 1 or MICBIAS_2_0V - MICBIAS output is powered to 2.0V
70 2 or MICBIAS_2_5V - MICBIAS output is powered to 2.5V
71 3 or MICBIAS_AVDD - MICBIAS output is connected to AVDD
72
73 ai31xx-ocmv:
74 $ref: /schemas/types.yaml#/definitions/uint32
75 enum: [0, 1, 2, 3]
76 description: |
77 output common-mode voltage setting
78 0 - 1.35V,
79 1 - 1.5V,
80 2 - 1.65V,
81 3 - 1.8V
82
83 gpio-reset:
84 description: gpio pin number used for codec reset
85 deprecated: true
86
87
88 required:
89 - compatible
90 - reg
91 - HPVDD-supply
92 - SPRVDD-supply
93 - SPLVDD-supply
94 - AVDD-supply
95 - IOVDD-supply
96 - DVDD-supply
97
98 allOf:
99 - $ref: dai-common.yaml#
100
101 unevaluatedProperties: false
102
103 examples:
104 - |
105 #include <dt-bindings/gpio/gpio.h>
106 #include <dt-bindings/sound/tlv320aic31xx.h>
107
108 i2c {
109 #address-cells = <1>;
110 #size-cells = <0>;
111
112 sound@18 {
113 compatible = "ti,tlv320aic311x";
114 reg = <0x18>;
115
116 ai31xx-micbias-vg = <MICBIAS_2_0V>;
117 reset-gpios = <&gpio1 17 GPIO_ACTIVE_LOW>;
118
119 HPVDD-supply = <®ulator>;
120 SPRVDD-supply = <®ulator>;
121 SPLVDD-supply = <®ulator>;
122 AVDD-supply = <®ulator>;
123 IOVDD-supply = <®ulator>;
124 DVDD-supply = <®ulator>;
125 };
126 };
127
Linux® is a registered trademark of Linus Torvalds in the United States and other countries.
TOMOYO® is a registered trademark of NTT DATA CORPORATION.