linux-kernel - [PATCH 1/2] ASoC: dt-bindings: nau8821: Add DMIC slew rate selection

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Message-ID: <20231023021537.617980-1-wtli@nuvoton.com>
Date:   Mon, 23 Oct 2023 10:15:36 +0800
From:   Seven Lee <wtli@...oton.com>
To:     <broonie@...nel.org>
CC:     <lgirdwood@...il.com>, <alsa-devel@...a-project.org>,
        <devicetree@...r.kernel.org>, <linux-kernel@...r.kernel.org>,
        <robh+dt@...nel.org>, <conor+dt@...nel.org>,
        <YHCHuang@...oton.com>, <KCHSU0@...oton.com>, <CTLIN0@...oton.com>,
        <SJLIN0@...oton.com>, <WTLI@...oton.com>, <scott6986@...il.com>,
        <supercraig0719@...il.com>, <dardar923@...il.com>,
        Seven Lee <wtli@...oton.com>
Subject: [PATCH 1/2] ASoC: dt-bindings: nau8821: Add DMIC slew rate selection

Add input with DMIC slew rate selection

Signed-off-by: Seven Lee <wtli@...oton.com>
---
 .../devicetree/bindings/sound/nuvoton,nau8821.yaml         | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/Documentation/devicetree/bindings/sound/nuvoton,nau8821.yaml b/Documentation/devicetree/bindings/sound/nuvoton,nau8821.yaml
index 3e54abd4ca74..5f7f2eed4834 100644
--- a/Documentation/devicetree/bindings/sound/nuvoton,nau8821.yaml
+++ b/Documentation/devicetree/bindings/sound/nuvoton,nau8821.yaml
@@ -89,6 +89,12 @@ properties:
     $ref: /schemas/types.yaml#/definitions/uint32
     default: 3072000
 
+  nuvoton,dmic-slew-rate-selection:
+    description: number from 0 to 7 that sets DMIC slew 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 +133,7 @@ examples:
             nuvoton,jack-insert-debounce = <7>;
             nuvoton,jack-eject-debounce = <0>;
             nuvoton,dmic-clk-threshold = <3072000>;
+            nuvoton,dmic-slew-rate-selection= <0>;
             #sound-dai-cells = <0>;
         };
     };
-- 
2.25.1