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Date: Mon, 22 Jan 2024 17:56:49 +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>
Subject: [PATCH 1/2] ASoC: dt-bindings: Added schema for "nuvoton,nau8325"

Added a DT schema for describing nau8325 audio amplifiers.

Signed-off-by: Seven Lee <wtli@...oton.com>
---
 .../bindings/sound/nuvoton,nau8325.yaml       | 82 +++++++++++++++++++
 1 file changed, 82 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/sound/nuvoton,nau8325.yaml

diff --git a/Documentation/devicetree/bindings/sound/nuvoton,nau8325.yaml b/Documentation/devicetree/bindings/sound/nuvoton,nau8325.yaml
new file mode 100644
index 000000000000..9105985357aa
--- /dev/null
+++ b/Documentation/devicetree/bindings/sound/nuvoton,nau8325.yaml
@@ -0,0 +1,82 @@
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/sound/nuvoton,nau8325.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: NAU8325 audio Amplifier
+
+maintainers:
+  - Seven Lee <WTLI@...oton.com>
+
+allOf:
+  - $ref: dai-common.yaml#
+
+properties:
+  compatible:
+    const: nuvoton,nau8325
+
+  reg:
+    maxItems: 1
+
+  nuvoton,vref-impedance:
+    $ref: /schemas/types.yaml#/definitions/uint32
+    description:
+      VREF impedance selection.
+    enum:
+      - 0 # Open
+      - 1 # 25kOhm
+      - 2 # 125kOhm
+      - 3 # 2.5kOhm
+    default: 2
+
+  nuvoton,dac-vref:
+    $ref: /schemas/types.yaml#/definitions/uint32
+    description:
+      DAC Reference Voltage Setting.
+    enum:
+      - 0 # VDDA
+      - 1 # VDDA*1.5/1.8V
+      - 2 # VDDA*1.6/1.8V
+      - 3 # VDDA*1.7/1.8V
+    default: 2
+
+  nuvoton,alc-enable:
+    description:
+      Enable digital automatic level control (ALC) function.
+    type: boolean
+
+  nuvoton,clock-detection-disable:
+    description:
+      When clock detection is enabled, it will detect whether MCLK
+      and FS are within the range. MCLK range is from 2.048MHz to 24.576MHz.
+      FS range is from 8kHz to 96kHz.
+    type: boolean
+
+  nuvoton,clock-det-data:
+    description:
+      Request clock detection to require 2048 non-zero samples before enabling
+      the audio paths. If set then non-zero samples is required, otherwise it
+      doesn't matter.
+    type: boolean
+
+required:
+  - compatible
+  - reg
+
+unevaluatedProperties: false
+
+examples:
+  - |
+    i2c {
+        #address-cells = <1>;
+        #size-cells = <0>;
+        codec@21 {
+            compatible = "nuvoton,nau8325";
+            reg = <0x21>;
+            nuvoton,vref-impedance = <2>;
+            nuvoton,dac-vref = <2>;
+            nuvoton,alc-enable;
+            nuvoton,clock-det-data;
+        };
+    };
-- 
2.25.1


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