# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) %YAML 1.2 --- $id: http://devicetree.org/schemas/sound/mt8195-mt6359.yaml# $schema: http://devicetree.org/meta-schemas/core.yaml# title: MediaTek MT8195 ASoC sound card driver maintainers: - Trevor Wu description: This binding describes the MT8195 sound card. allOf: - $ref: sound-card-common.yaml# properties: compatible: enum: - mediatek,mt8195_mt6359_rt1019_rt5682 - mediatek,mt8195_mt6359_rt1011_rt5682 - mediatek,mt8195_mt6359_max98390_rt5682 model: $ref: /schemas/types.yaml#/definitions/string description: User specified audio sound card name audio-routing: description: A list of the connections between audio components. Each entry is a pair of strings, the first being the connection's sink, the second being the connection's source. Valid names could be the input or output widgets of audio components, power supplies, MicBias of codec and the software switch. minItems: 2 items: enum: # Sinks - Ext Spk - Headphone - IN1P - Left Spk - Right Spk # Sources - Headset Mic - HPOL - HPOR - Left BE_OUT - Left SPO - Right BE_OUT - Right SPO - Speaker mediatek,platform: $ref: /schemas/types.yaml#/definitions/phandle description: The phandle of MT8195 ASoC platform. mediatek,dptx-codec: $ref: /schemas/types.yaml#/definitions/phandle description: The phandle of MT8195 Display Port Tx codec node. deprecated: true mediatek,hdmi-codec: $ref: /schemas/types.yaml#/definitions/phandle description: The phandle of MT8195 HDMI codec node. deprecated: true mediatek,adsp: $ref: /schemas/types.yaml#/definitions/phandle description: The phandle of MT8195 ADSP platform. mediatek,dai-link: $ref: /schemas/types.yaml#/definitions/string-array description: A list of the desired dai-links in the sound card. Each entry is a name defined in the machine driver. patternProperties: ".*-dai-link$": type: object additionalProperties: false description: Container for dai-link level properties and CODEC sub-nodes. properties: link-name: description: Indicates dai-link name and PCM stream name enum: - DPTX_BE - ETDM1_IN_BE - ETDM2_IN_BE - ETDM1_OUT_BE - ETDM2_OUT_BE - ETDM3_OUT_BE - PCM1_BE codec: description: Holds subnode which indicates codec dai. type: object additionalProperties: false properties: sound-dai: minItems: 1 maxItems: 2 required: - sound-dai dai-format: description: audio format enum: [ i2s, right_j, left_j, dsp_a, dsp_b ] mediatek,clk-provider: $ref: /schemas/types.yaml#/definitions/string description: Indicates dai-link clock master. enum: [ cpu, codec ] required: - link-name additionalProperties: false required: - compatible - mediatek,platform # Disallow legacy properties if xxx-dai-link nodes are specified if: not: patternProperties: ".*-dai-link$": false then: properties: mediatek,dptx-codec: false mediatek,hdmi-codec: false examples: - | sound: mt8195-sound { compatible = "mediatek,mt8195_mt6359_rt1019_rt5682"; model = "mt8195_r1019_5682"; mediatek,platform = <&afe>; pinctrl-names = "default"; pinctrl-0 = <&aud_pins_default>; audio-routing = "Headphone", "HPOL", "Headphone", "HPOR", "IN1P", "Headset Mic", "Ext Spk", "Speaker"; mm-dai-link { link-name = "ETDM1_IN_BE"; mediatek,clk-provider = "cpu"; }; hs-playback-dai-link { link-name = "ETDM1_OUT_BE"; mediatek,clk-provider = "cpu"; codec { sound-dai = <&headset_codec>; }; }; hs-capture-dai-link { link-name = "ETDM2_IN_BE"; mediatek,clk-provider = "cpu"; codec { sound-dai = <&headset_codec>; }; }; spk-playback-dai-link { link-name = "ETDM2_OUT_BE"; mediatek,clk-provider = "cpu"; codec { sound-dai = <&spk_amplifier>; }; }; hdmi-dai-link { link-name = "ETDM3_OUT_BE"; codec { sound-dai = <&hdmi_tx>; }; }; displayport-dai-link { link-name = "DPTX_BE"; codec { sound-dai = <&dp_tx>; }; }; }; ...