google,sc7280-herobrine.yaml

  1# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
  2%YAML 1.2
  3---
  4$id: http://devicetree.org/schemas/sound/google,sc7280-herobrine.yaml#
  5$schema: http://devicetree.org/meta-schemas/core.yaml#
  6
  7title: Google SC7280-Herobrine ASoC sound card driver
  8
  9maintainers:
 10  - Judy Hsiao <judyhsiao@chromium.org>
 11
 12description:
 13  This binding describes the SC7280 sound card which uses LPASS for audio.
 14
 15allOf:
 16  - $ref: sound-card-common.yaml#
 17
 18properties:
 19  compatible:
 20    enum:
 21      - google,sc7280-herobrine
 22
 23  "#address-cells":
 24    const: 1
 25
 26  "#size-cells":
 27    const: 0
 28
 29patternProperties:
 30  "^dai-link@[0-9a-f]$":
 31    description:
 32      Each subnode represents a dai link. Subnodes of each dai links would be
 33      cpu/codec dais.
 34
 35    type: object
 36
 37    properties:
 38      link-name:
 39        description: Indicates dai-link name and PCM stream name.
 40        $ref: /schemas/types.yaml#/definitions/string
 41        maxItems: 1
 42
 43      reg:
 44        maxItems: 1
 45        description: dai link address.
 46
 47      cpu:
 48        description: Holds subnode which indicates cpu dai.
 49        type: object
 50        properties:
 51          sound-dai: true
 52
 53        required:
 54          - sound-dai
 55
 56        additionalProperties: false
 57
 58      codec:
 59        description: Holds subnode which indicates codec dai.
 60        type: object
 61        properties:
 62          sound-dai: true
 63
 64        required:
 65          - sound-dai
 66
 67        additionalProperties: false
 68
 69      platform:
 70        description: Holds subnode which includes the phandle of q6apm platform device.
 71        type: object
 72        properties:
 73          sound-dai:
 74            maxItems: 1
 75
 76        required:
 77          - sound-dai
 78
 79        additionalProperties: false
 80
 81    required:
 82      - link-name
 83      - cpu
 84      - codec
 85      - reg
 86
 87    additionalProperties: false
 88
 89required:
 90  - compatible
 91  - "#address-cells"
 92  - "#size-cells"
 93
 94unevaluatedProperties: false
 95
 96examples:
 97
 98  - |
 99    #include <dt-bindings/sound/qcom,lpass.h>
100    sound {
101        compatible = "google,sc7280-herobrine";
102        model = "sc7280-wcd938x-max98360a-4dmic";
103
104        audio-routing =
105            "IN1_HPHL", "HPHL_OUT",
106            "IN2_HPHR", "HPHR_OUT",
107            "AMIC1", "MIC BIAS1",
108            "AMIC2", "MIC BIAS2",
109            "VA DMIC0", "MIC BIAS3",
110            "VA DMIC1", "MIC BIAS3",
111            "VA DMIC2", "MIC BIAS4",
112            "VA DMIC3", "MIC BIAS4",
113            "TX SWR_ADC0", "ADC1_OUTPUT",
114            "TX SWR_ADC1", "ADC2_OUTPUT",
115            "TX SWR_ADC2", "ADC3_OUTPUT",
116            "TX SWR_DMIC0", "DMIC1_OUTPUT",
117            "TX SWR_DMIC1", "DMIC2_OUTPUT",
118            "TX SWR_DMIC2", "DMIC3_OUTPUT",
119            "TX SWR_DMIC3", "DMIC4_OUTPUT";
120
121        #address-cells = <1>;
122        #size-cells = <0>;
123
124        dai-link@0 {
125            link-name = "WCD Playback";
126            reg = <LPASS_CDC_DMA_RX0>;
127            cpu {
128                sound-dai = <&lpass_cpu LPASS_CDC_DMA_RX0>;
129            };
130
131            codec {
132                sound-dai = <&wcd938x 0>, <&swr0 0>, <&rxmacro 0>;
133            };
134        };
135        dai-link@1 {
136            link-name = "WCD Capture";
137            reg = <LPASS_CDC_DMA_TX3>;
138            cpu {
139                sound-dai = <&lpass_cpu LPASS_CDC_DMA_TX3>;
140            };
141
142            codec {
143                sound-dai = <&wcd938x 1>, <&swr1 0>, <&txmacro 0>;
144            };
145        };
146
147        dai-link@2 {
148            link-name = "MI2S Playback";
149            reg = <MI2S_SECONDARY>;
150            cpu {
151                sound-dai = <&lpass_cpu MI2S_SECONDARY>;
152            };
153
154            codec {
155                sound-dai = <&max98360a>;
156            };
157        };
158
159        dai-link@3 {
160            link-name = "DMIC Capture";
161            reg = <LPASS_CDC_DMA_VA_TX0>;
162            cpu {
163                sound-dai = <&lpass_cpu LPASS_CDC_DMA_VA_TX0>;
164            };
165
166            codec {
167                sound-dai = <&vamacro 0>;
168            };
169        };
170
171        dai-link@5 {
172            link-name = "DP Playback";
173            reg = <LPASS_DP_RX>;
174            cpu {
175                sound-dai = <&lpass_cpu LPASS_DP_RX>;
176            };
177
178            codec {
179                sound-dai = <&mdss_dp>;
180            };
181        };
182    };