Add input with DMIC slew rate controls.
Signed-off-by: Seven Lee <wtli@xxxxxxxxxxx>
---
.../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>;
};
};
--
2.25.1
