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Subject[PATCH v3 1/2] ASoC: dt-bindings: nau8821: Add DMIC slew rate
Date
Add input with DMIC slew rate controls

Signed-off-by: Seven Lee <wtli@nuvoton.com>
---
.../devicetree/bindings/sound/nuvoton,nau8821.yaml | 8 ++++++++
1 file changed, 8 insertions(+)

diff --git a/Documentation/devicetree/bindings/sound/nuvoton,nau8821.yaml b/Documentation/devicetree/bindings/sound/nuvoton,nau8821.yaml
index 3e54abd4ca74..48c389276a15 100644
--- a/Documentation/devicetree/bindings/sound/nuvoton,nau8821.yaml
+++ b/Documentation/devicetree/bindings/sound/nuvoton,nau8821.yaml
@@ -89,6 +89,13 @@ 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
+ 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 +134,7 @@ 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
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