Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.33 as permitted sender) client-ip=23.128.96.33;
Received-SPF: Pass (protection.outlook.com: domain of nuvoton.com designates
 211.75.126.7 as permitted sender) receiver=protection.outlook.com;
 client-ip=211.75.126.7; helo=NTHCCAS01.nuvoton.com; pr=C
From:   Seven Lee <wtli@nuvoton.com>
To:     <broonie@kernel.org>
CC:     <lgirdwood@gmail.com>, <alsa-devel@alsa-project.org>,
        <devicetree@vger.kernel.org>, <linux-kernel@vger.kernel.org>,
        <robh+dt@kernel.org>, <conor+dt@kernel.org>,
        <YHCHuang@nuvoton.com>, <KCHSU0@nuvoton.com>, <CTLIN0@nuvoton.com>,
        <SJLIN0@nuvoton.com>, <wtli@nuvoton.com>, <scott6986@gmail.com>,
        <supercraig0719@gmail.com>, <dardar923@gmail.com>
Subject: [PATCH v3 1/2] ASoC: dt-bindings: nau8821: Add DMIC slew rate
Date:   Wed, 1 Nov 2023 14:35:13 +0800
Message-ID: <20231101063514.666754-2-wtli@nuvoton.com>
In-Reply-To: <20231101063514.666754-1-wtli@nuvoton.com>
References: <20231101063514.666754-1-wtli@nuvoton.com>
MIME-Version: 1.0
Content-Transfer-Encoding: 8bit
Content-Type: text/plain
X-MS-Exchange-CrossTenant-OriginalArrivalTime: 01 Nov 2023 06:35:33.4493
 (UTC)
X-MS-Exchange-CrossTenant-Network-Message-Id: f094038a-8c88-434b-1ff1-08dbdaa4c012
X-MS-Exchange-CrossTenant-Id: a3f24931-d403-4b4a-94f1-7d83ac638e07
X-MS-Exchange-CrossTenant-OriginalAttributedTenantConnectingIp: TenantId=a3f24931-d403-4b4a-94f1-7d83ac638e07;Ip=[211.75.126.7];Helo=[NTHCCAS01.nuvoton.com]
X-MS-Exchange-CrossTenant-AuthSource: HK3PEPF0000021B.apcprd03.prod.outlook.com
X-MS-Exchange-CrossTenant-AuthAs: Anonymous
X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem
X-MS-Exchange-Transport-CrossTenantHeadersStamped: KL1PR03MB8474
X-Spam-Status: No, score=-0.9 required=5.0 tests=DKIM_SIGNED,DKIM_VALID,
	DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,
	SPF_HELO_NONE,SPF_PASS,T_SCC_BODY_TEXT_LINE,URIBL_BLOCKED
	autolearn=unavailable autolearn_force=no version=3.4.6
X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on lipwig.vger.email
Precedence: bulk
List-ID: <linux-kernel.vger.kernel.org>
X-Mailing-List: linux-kernel@vger.kernel.org
X-Greylist: Sender passed SPF test, not delayed by milter-greylist-4.6.4 (lipwig.vger.email [0.0.0.0]); Tue, 31 Oct 2023 23:37:00 -0700 (PDT)

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