140 lines
3.0 KiB
YAML
140 lines
3.0 KiB
YAML
# 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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$id: http://devicetree.org/schemas/sound/google,sc7180-trogdor.yaml#
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$schema: http://devicetree.org/meta-schemas/core.yaml#
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title: Google SC7180-Trogdor ASoC sound card driver
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maintainers:
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- Rohit kumar <rohitkr@codeaurora.org>
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- Cheng-Yi Chiang <cychiang@chromium.org>
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description:
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This binding describes the SC7180 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,sc7180-trogdor
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- google,sc7180-coachz
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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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dmic-gpios:
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maxItems: 1
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description: GPIO for switching between DMICs
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patternProperties:
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"^dai-link(@[0-9])?$":
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description:
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Each subnode represents a dai link. Subnodes of each dai links would be
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cpu/codec dais.
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type: object
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properties:
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link-name:
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description: Indicates dai-link name and PCM stream name.
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$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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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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- link-name
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- cpu
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- codec
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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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sound {
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compatible = "google,sc7180-trogdor";
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model = "sc7180-rt5682-max98357a-2mic";
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audio-routing =
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"Headphone Jack", "HPOL",
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"Headphone Jack", "HPOR";
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#address-cells = <1>;
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#size-cells = <0>;
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dmic-gpios = <&tlmm 86 0>;
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dai-link@0 {
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link-name = "MultiMedia0";
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reg = <0>;
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cpu {
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sound-dai = <&lpass_cpu 0>;
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};
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codec {
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sound-dai = <&alc5682 0>;
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};
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};
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dai-link@1 {
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link-name = "MultiMedia1";
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reg = <1>;
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cpu {
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sound-dai = <&lpass_cpu 1>;
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};
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codec {
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sound-dai = <&max98357a>;
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};
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};
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dai-link@2 {
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link-name = "MultiMedia2";
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reg = <2>;
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cpu {
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sound-dai = <&lpass_hdmi 0>;
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};
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codec {
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sound-dai = <&msm_dp>;
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};
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};
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};
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