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ASoC: q6asm-dai: dt-bindings: Add support to compress dais 

This patch adds board specific bindings required for dais, In particular
for compressed dais and dai direction.

Board specific setup involves setting up some of dais as compressed dais
and also specify direction of any dai. Some of the dais might only
support capture/playback depending on the board level wiring.

These two new dt properties will allow such flexibilty at board level dts.

Signed-off-by: Srinivas Kandagatla <srinivas.kandagatla@linaro.org>
Reviewed-by: Vinod Koul <vkoul@kernel.org>
Reviewed-by: Rob Herring <robh@kernel.org>
Acked-by: Vinod Koul <vkoul@kernel.org>
Signed-off-by: Mark Brown <broonie@kernel.org>
This commit is contained in:
Srinivas Kandagatla 2018-11-15 18:13:22 +00:00 committed by Mark Brown
parent d00f749b00
commit ee23cf37fd
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27
Documentation/devicetree/bindings/sound/qcom,q6asm.txt
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@ -27,6 +27,28 @@ used by the apr service device.
Value type: <u32>
Definition: Must be 1
== ASM DAI is subnode of "dais" and represent a dai, it includes board specific
configuration of each dai. Must contain the following properties.
- reg
Usage: required
Value type: <u32>
Definition: Must be dai id
- direction:
Usage: Required for Compress offload dais
Value type: <u32>
Definition: Specifies the direction of the dai stream
0 for both tx and rx
1 for only tx (Capture/Encode)
2 for only rx (Playback/Decode)
- is-compress-dai:
Usage: Required for Compress offload dais
Value type: <boolean>
Definition: present for Compress offload dais
= EXAMPLE
q6asm@7 {
@ -35,5 +57,10 @@ q6asm@7 {
q6asmdai: dais {
compatible = "qcom,q6asm-dais";
#sound-dai-cells = <1>;
mm@0 {
reg = <0>;
direction = <2>;
is-compress-dai;
};
};
};