linux-kernel - [PATCH 3/8] dt-bindings: sound: sophgo: add CV1800B internal ADC codec

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Message-Id: <20260115-cv1800b-i2s-driver-v1-3-e8b22b8578ab@gmail.com>
Date: Thu, 15 Jan 2026 23:17:40 +0400
From: "Anton D. Stavinskii" <stavinsky@...il.com>
To: Liam Girdwood <lgirdwood@...il.com>, Mark Brown <broonie@...nel.org>, 
 Rob Herring <robh@...nel.org>, Krzysztof Kozlowski <krzk+dt@...nel.org>, 
 Conor Dooley <conor+dt@...nel.org>, Chen Wang <unicorn_wang@...look.com>, 
 Inochi Amaoto <inochiama@...il.com>, Jaroslav Kysela <perex@...ex.cz>, 
 Takashi Iwai <tiwai@...e.com>, Paul Walmsley <pjw@...nel.org>, 
 Palmer Dabbelt <palmer@...belt.com>, Albert Ou <aou@...s.berkeley.edu>, 
 Alexandre Ghiti <alex@...ti.fr>
Cc: linux-sound@...r.kernel.org, devicetree@...r.kernel.org, 
 sophgo@...ts.linux.dev, linux-kernel@...r.kernel.org, 
 linux-riscv@...ts.infradead.org, 
 "Anton D. Stavinskii" <stavinsky@...il.com>
Subject: [PATCH 3/8] dt-bindings: sound: sophgo: add CV1800B internal ADC
 codec

Document the internal ADC audio codec integrated in the Sophgo
CV1800B SoC.

Signed-off-by: Anton D. Stavinskii <stavinsky@...il.com>
---
 .../bindings/sound/sophgo,cv1800b-sound-adc.yaml   | 43 ++++++++++++++++++++++
 1 file changed, 43 insertions(+)

diff --git a/Documentation/devicetree/bindings/sound/sophgo,cv1800b-sound-adc.yaml b/Documentation/devicetree/bindings/sound/sophgo,cv1800b-sound-adc.yaml
new file mode 100644
index 000000000000..339b60e317e8
--- /dev/null
+++ b/Documentation/devicetree/bindings/sound/sophgo,cv1800b-sound-adc.yaml
@@ -0,0 +1,43 @@
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/sound/sophgo,cv1800b-sound-adc.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Sophgo CV1800B Internal ADC Codec
+
+maintainers:
+  - Anton D. Stavinskii <stavinsky@...il.com>
+
+description: |
+  Internal ADC audio codec integrated in the Sophgo CV1800B SoC.
+  The codec exposes a single DAI and is intended to be connected
+  to an I2S/TDM controller via an ASoC machine driver.
+
+properties:
+  compatible:
+    const: sophgo,cv1800b-sound-adc
+
+  reg:
+    maxItems: 1
+    description:
+      Base address and size of the ADC register block.
+
+  "#sound-dai-cells":
+    const: 0
+
+required:
+  - compatible
+  - reg
+  - "#sound-dai-cells"
+
+additionalProperties: false
+
+examples:
+  - |
+    audio-codec@...a100 {
+      compatible = "sophgo,cv1800b-sound-adc";
+      reg = <0x0300a100 0x100>;
+      #sound-dai-cells = <0>;
+    };
+...

-- 
2.43.0