On 11/04/2020 09:02, Ajit Pandey wrote:
Add changes related to new sub node defining MI2S dai's properties. Such properties needs to be configured via board specific dts files.
+Adding Stephan Gerlhold
Have a look at https://www.spinics.net/lists/alsa-devel/msg107224.html patches from Stephan Gerlhold which has better version of specifying sd line mask and is inline with DSP based solution too.
--srini
Signed-off-by: Ajit Pandey ajitp@codeaurora.org
.../devicetree/bindings/sound/qcom,lpass-cpu.yaml | 33 ++++++++++++++++++++++ 1 file changed, 33 insertions(+)
diff --git a/Documentation/devicetree/bindings/sound/qcom,lpass-cpu.yaml b/Documentation/devicetree/bindings/sound/qcom,lpass-cpu.yaml index a87a406..727ec03 100644 --- a/Documentation/devicetree/bindings/sound/qcom,lpass-cpu.yaml +++ b/Documentation/devicetree/bindings/sound/qcom,lpass-cpu.yaml @@ -16,6 +16,8 @@ description: | configure Low-Power Audio Interface(LPAIF) core registers across different IP versions.
- See also dt-bindings/sound/qcom,lpass.h.
- properties: compatible: enum:
@@ -69,6 +71,30 @@ properties: '#sound-dai-cells': const: 1
- dai-name:
- description: Each node represents an MI2S dai and conatins dai specific
properties that may change with board layout & dai connections.
- type: object
- properties:
id:
- description: dai id among one of value defined in header
- type: u32
qcom,spkmode-mask:
- description: mask defining data lines used for speaker
- type: u32
qcom,micmode-mask:
- description: mask defining data lines used for mic
- type: u32
qcom,wssrc-mask:
- description: mask defining word-select source internal/extrnal on dai
- type: u32
qcom,loopback-mask:
- description: mask defining loopback enable/disable on dai
- type: u32
required:
- id
- required:
- compatible
- reg
@@ -101,3 +127,10 @@ examples: #sound-dai-cells = <1>; qcom,adsp = <&adsp>;
prim-mi2s@0 {
id = <MI2S_PRIMARY>;
qcom,spkmode-mask = <SD1>;
qcom,micmode-mask = <SD0>;
qcom,wssrc-mask = <INTERNAL>;
qcom,loopback-mask = <DISABLE>;
- };