Add input with DMIC slew rate controls.
Signed-off-by: Seven Lee wtli@nuvoton.com --- .../devicetree/bindings/sound/nuvoton,nau8821.yaml | 9 +++++++++ 1 file changed, 9 insertions(+)
diff --git a/Documentation/devicetree/bindings/sound/nuvoton,nau8821.yaml b/Documentation/devicetree/bindings/sound/nuvoton,nau8821.yaml index 3e54abd4ca74..3380b6aa9542 100644 --- a/Documentation/devicetree/bindings/sound/nuvoton,nau8821.yaml +++ b/Documentation/devicetree/bindings/sound/nuvoton,nau8821.yaml @@ -89,6 +89,14 @@ properties: $ref: /schemas/types.yaml#/definitions/uint32 default: 3072000
+ nuvoton,dmic-slew-rate: + description: The range 0 to 7 represents the speed of DMIC slew rate. + The lowest value 0 means the slowest rate and the highest value + 7 means the fastest rate. + $ref: /schemas/types.yaml#/definitions/uint32 + maximum: 7 + default: 0 + nuvoton,left-input-single-end: description: Enable left input with single-ended settings if set. For the headset mic application, the single-ended control is @@ -127,6 +135,7 @@ examples: nuvoton,jack-insert-debounce = <7>; nuvoton,jack-eject-debounce = <0>; nuvoton,dmic-clk-threshold = <3072000>; + nuvoton,dmic-slew-rate= <0>; #sound-dai-cells = <0>; }; };