Add changes related to new sub node defining MI2S dai's properties. Such properties needs to be configured via board specific dts files. Signed-off-by: Ajit Pandey <ajitp@xxxxxxxxxxxxxx> --- .../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>; + }; -- 1.9.1