193 lines
4.5 KiB
YAML
193 lines
4.5 KiB
YAML
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# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
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%YAML 1.2
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---
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$id: http://devicetree.org/schemas/sound/google,sc7280-herobrine.yaml#
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$schema: http://devicetree.org/meta-schemas/core.yaml#
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title: Google SC7280-Herobrine ASoC sound card driver
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maintainers:
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- Srinivasa Rao Mandadapu <srivasam@codeaurora.org>
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- Judy Hsiao <judyhsiao@chromium.org>
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description:
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This binding describes the SC7280 sound card which uses LPASS for audio.
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properties:
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compatible:
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enum:
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- google,sc7280-herobrine
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audio-routing:
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$ref: /schemas/types.yaml#/definitions/non-unique-string-array
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description:
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A list of the connections between audio components. Each entry is a
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pair of strings, the first being the connection's sink, the second
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being the connection's source.
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model:
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$ref: /schemas/types.yaml#/definitions/string
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description: User specified audio sound card name
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"#address-cells":
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const: 1
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"#size-cells":
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const: 0
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patternProperties:
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"^dai-link@[0-9a-f]$":
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description:
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Each subnode represents a dai link. Subnodes of each dai links would be
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cpu/codec dais.
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type: object
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properties:
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link-name:
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description: Indicates dai-link name and PCM stream name.
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$ref: /schemas/types.yaml#/definitions/string
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maxItems: 1
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reg:
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maxItems: 1
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description: dai link address.
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cpu:
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description: Holds subnode which indicates cpu dai.
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type: object
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properties:
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sound-dai: true
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required:
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- sound-dai
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additionalProperties: false
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codec:
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description: Holds subnode which indicates codec dai.
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type: object
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properties:
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sound-dai: true
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required:
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- sound-dai
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additionalProperties: false
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platform:
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description: Holds subnode which includes the phandle of q6apm platform device.
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type: object
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properties:
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sound-dai:
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maxItems: 1
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required:
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- sound-dai
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additionalProperties: false
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required:
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- link-name
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- cpu
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- codec
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- reg
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additionalProperties: false
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required:
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- compatible
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- model
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- "#address-cells"
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- "#size-cells"
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additionalProperties: false
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examples:
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- |
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#include <dt-bindings/sound/qcom,lpass.h>
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sound {
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compatible = "google,sc7280-herobrine";
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model = "sc7280-wcd938x-max98360a-4dmic";
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audio-routing =
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"IN1_HPHL", "HPHL_OUT",
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"IN2_HPHR", "HPHR_OUT",
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"AMIC1", "MIC BIAS1",
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"AMIC2", "MIC BIAS2",
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"VA DMIC0", "MIC BIAS3",
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"VA DMIC1", "MIC BIAS3",
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"VA DMIC2", "MIC BIAS4",
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"VA DMIC3", "MIC BIAS4",
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"TX SWR_ADC0", "ADC1_OUTPUT",
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"TX SWR_ADC1", "ADC2_OUTPUT",
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"TX SWR_ADC2", "ADC3_OUTPUT",
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"TX SWR_DMIC0", "DMIC1_OUTPUT",
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"TX SWR_DMIC1", "DMIC2_OUTPUT",
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"TX SWR_DMIC2", "DMIC3_OUTPUT",
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"TX SWR_DMIC3", "DMIC4_OUTPUT";
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#address-cells = <1>;
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#size-cells = <0>;
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dai-link@0 {
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link-name = "WCD Playback";
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reg = <LPASS_CDC_DMA_RX0>;
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cpu {
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sound-dai = <&lpass_cpu LPASS_CDC_DMA_RX0>;
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};
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codec {
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sound-dai = <&wcd938x 0>, <&swr0 0>, <&rxmacro 0>;
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};
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};
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dai-link@1 {
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link-name = "WCD Capture";
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reg = <LPASS_CDC_DMA_TX3>;
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cpu {
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sound-dai = <&lpass_cpu LPASS_CDC_DMA_TX3>;
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};
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codec {
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sound-dai = <&wcd938x 1>, <&swr1 0>, <&txmacro 0>;
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};
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};
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dai-link@2 {
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link-name = "MI2S Playback";
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reg = <MI2S_SECONDARY>;
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cpu {
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sound-dai = <&lpass_cpu MI2S_SECONDARY>;
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};
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codec {
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sound-dai = <&max98360a>;
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};
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};
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dai-link@3 {
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link-name = "DMIC Capture";
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reg = <LPASS_CDC_DMA_VA_TX0>;
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cpu {
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sound-dai = <&lpass_cpu LPASS_CDC_DMA_VA_TX0>;
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};
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codec {
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sound-dai = <&vamacro 0>;
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};
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};
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dai-link@5 {
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link-name = "DP Playback";
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reg = <LPASS_DP_RX>;
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cpu {
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sound-dai = <&lpass_cpu LPASS_DP_RX>;
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};
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codec {
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sound-dai = <&mdss_dp>;
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};
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};
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};
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