On Wed, Apr 18, 2018 at 04:31:55PM +0100, srinivas.kandagatla@xxxxxxxxxx wrote:
> From: Srinivas Kandagatla <srinivas.kandagatla@xxxxxxxxxx>
>
> Add devicetree bindings documentation file for Qualcomm apq8096 sound card.
>
> Signed-off-by: Srinivas Kandagatla <srinivas.kandagatla@xxxxxxxxxx>
> ---
> .../devicetree/bindings/sound/qcom,apq8096.txt | 76 ++++++++++++++++++++++
> 1 file changed, 76 insertions(+)
> create mode 100644 Documentation/devicetree/bindings/sound/qcom,apq8096.txt
>
> diff --git a/Documentation/devicetree/bindings/sound/qcom,apq8096.txt b/Documentation/devicetree/bindings/sound/qcom,apq8096.txt
> new file mode 100644
> index 000000000000..37e23d926b95
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/sound/qcom,apq8096.txt
> @@ -0,0 +1,76 @@
> +* Qualcomm Technologies APQ8096 ASoC sound card driver
> +
> +This binding describes the APQ8096 sound card, which uses qdsp for audio.
> +
> +- compatible:
> + Usage: required
> + Value type: <stringlist>
> + Definition: must be "qcom,apq8096-sndcard"
> +
> +- qcom,audio-routing:
> + Usage: Optional
> + Value type: <stringlist>
> + Definition: 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 power supplies, MicBias
> + of codec and the jacks on the board:
Please list out valid values here.
> +
> += dailinks
> +Each subnode of sndcard represents either a dailink, and subnodes of each
> +dailinks would be cpu/codec/platform dais.
> +
> +- link-name:
Not a standard property, but I guess that sneaked in with the 8016
binding...
> + Usage: required
> + Value type: <string>
> + Definition: User friendly name for dai link
> +
> += CPU, PLATFORM, CODEC dais subnodes
> +- cpu:
> + Usage: required
> + Value type: <subnode>
> + Definition: cpu dai sub-node
> +
> +- codec:
> + Usage: Optional
> + Value type: <subnode>
> + Definition: codec dai sub-node
> +
> +- platform:
> + Usage: Optional
> + Value type: <subnode>
> + Definition: platform dai sub-node
> +
> +- sound-dai:
> + Usage: required
> + Value type: <phandle>
phandle with args.
> + Definition: dai phandle/s and port of CPU/CODEC/PLATFORM node.
> +
> +Example:
> +
> +audio {
> + compatible = "qcom,apq8096-sndcard";
> + qcom,model = "DB820c";
> +
> + mm1-dai-link {
> + link-name = "MultiMedia1";
> + cpu {
> + sound-dai = <&q6asmdai MSM_FRONTEND_DAI_MULTIMEDIA1>;
> + };
> + };
> +
> + hdmi-dai-link {
> + link-name = "HDMI Playback";
> + cpu {
> + sound-dai = <&q6afe HDMI_RX>;
> + };
> +
> + platform {
> + sound-dai = <&q6adm>;
> + };
> +
> + codec {
> + sound-dai = <&hdmi 0>;
> + };
> + };
> +};
> --
> 2.16.2
>
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