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This patch adds bindings for apq8016 sbc machine driver. APQ8016 has 4 MI2S which can be configured to different sinks like internal codec/external codec, this connection and various parameters are controlled via 2 iomux registers. Acked-by: Kenneth Westfield <kwestfie@codeaurora.org> Signed-off-by: Srinivas Kandagatla <srinivas.kandagatla@linaro.org> Signed-off-by: Mark Brown <broonie@kernel.org>
61 lines
1.4 KiB
Plaintext
61 lines
1.4 KiB
Plaintext
* 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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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 and port of CPU/CODEC
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-capture-dai : phandle 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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/* 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 = <&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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