90 lines
2.3 KiB
Plaintext
90 lines
2.3 KiB
Plaintext
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* Qualcomm Technologies APQ8016 SBC ASoC machine driver
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This node models the Qualcomm Technologies APQ8016 SBC ASoC machine driver
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Required properties:
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- compatible : "qcom,apq8016-sbc-sndcard"
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- pinctrl-N : One property must exist for each entry in
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pinctrl-names. See ../pinctrl/pinctrl-bindings.txt
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for details of the property values.
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- pinctrl-names : Must contain a "default" entry.
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- reg : Must contain an address for each entry in reg-names.
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- reg-names : A list which must include the following entries:
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* "mic-iomux"
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* "spkr-iomux"
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- qcom,model : Name of the sound card.
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- qcom,audio-routing : A list of the connections between audio components.
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Each entry is a pair of strings, the first being the
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connection's sink, the second being the connection's
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source. Valid names could be power supplies, MicBias
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of msm8x16_wcd codec and the jacks on the board:
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Power supplies:
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* MIC BIAS External1
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* MIC BIAS External2
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* MIC BIAS Internal1
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* MIC BIAS Internal2
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Board connectors:
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* Headset Mic
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* Secondary Mic
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* DMIC
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* Ext Spk
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Dai-link subnode properties and subnodes:
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Required dai-link subnodes:
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- cpu : CPU sub-node
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- codec : CODEC sub-node
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Required CPU/CODEC subnodes properties:
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-link-name : Name of the dai link.
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-sound-dai : phandle/s and port of CPU/CODEC
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Example:
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sound: sound {
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compatible = "qcom,apq8016-sbc-sndcard";
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reg = <0x07702000 0x4>, <0x07702004 0x4>;
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reg-names = "mic-iomux", "spkr-iomux";
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qcom,model = "DB410c";
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qcom,audio-routing =
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"MIC BIAS External1", "Handset Mic",
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"MIC BIAS Internal2", "Headset Mic",
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"MIC BIAS External1", "Secondary Mic",
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"AMIC1", "MIC BIAS External1",
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"AMIC2", "MIC BIAS Internal2",
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"AMIC3", "MIC BIAS External1",
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"DMIC1", "MIC BIAS Internal1",
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"MIC BIAS Internal1", "Digital Mic1",
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"DMIC2", "MIC BIAS Internal1",
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"MIC BIAS Internal1", "Digital Mic2";
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/* I2S - Internal codec */
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internal-dai-link@0 {
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cpu { /* PRIMARY */
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sound-dai = <&lpass MI2S_PRIMARY>;
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};
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codec {
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sound-dai = <&lpass_codec 0>, <&wcd_codec 0>;
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};
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};
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/* External Primary or External Secondary -ADV7533 HDMI */
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external-dai-link@0 {
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link-name = "ADV7533";
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cpu { /* QUAT */
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sound-dai = <&lpass MI2S_QUATERNARY>;
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};
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codec {
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sound-dai = <&adv_bridge 0>;
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};
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};
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};
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