linux-kernel - [PATCH v3 3/6] dt-bindings: codecs: sophgo,cv1800b: codecs: add ADC/DAC

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Message-Id: <20260119-cv1800b-i2s-driver-v3-3-04006f4111d7@gmail.com>
Date: Mon, 19 Jan 2026 20:30:44 +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 v3 3/6] dt-bindings: codecs: sophgo,cv1800b: codecs: add
 ADC/DAC

Document the internal ADC and DAC audio codecs integrated
in the Sophgo CV1800B SoC.

Signed-off-by: Anton D. Stavinskii <stavinsky@...il.com>
---
 .../bindings/sound/sophgo,cv1800b-sound-adc.yaml   | 43 ++++++++++++++++++++++
 .../bindings/sound/sophgo,cv1800b-sound-dac.yaml   | 43 ++++++++++++++++++++++
 2 files changed, 86 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..d3b7e92f9758
--- /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.
+
+allOf:
+  - $ref: dai-common.yaml#
+
+properties:
+  compatible:
+    const: sophgo,cv1800b-sound-adc
+
+  reg:
+    maxItems: 1
+
+  "#sound-dai-cells":
+    const: 0
+
+required:
+  - compatible
+  - reg
+  - "#sound-dai-cells"
+
+unevaluatedProperties: false
+
+examples:
+  - |
+    audio-codec@...a100 {
+      compatible = "sophgo,cv1800b-sound-adc";
+      reg = <0x0300a100 0x100>;
+      #sound-dai-cells = <0>;
+    };
+...
diff --git a/Documentation/devicetree/bindings/sound/sophgo,cv1800b-sound-dac.yaml b/Documentation/devicetree/bindings/sound/sophgo,cv1800b-sound-dac.yaml
new file mode 100644
index 000000000000..8457bddcea92
--- /dev/null
+++ b/Documentation/devicetree/bindings/sound/sophgo,cv1800b-sound-dac.yaml
@@ -0,0 +1,43 @@
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/sound/sophgo,cv1800b-sound-dac.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Sophgo CV1800B internal DAC audio codec
+
+maintainers:
+  - Anton D. Stavinskii <stavinsky@...il.com>
+
+allOf:
+  - $ref: dai-common.yaml#
+
+description: Internal DAC audio codec integrated in the Sophgo CV1800B SoC.
+  The codec exposes a single playback DAI and is intended to be connected to an
+  I2S/TDM controller via an ASoC machine driver.
+
+properties:
+  compatible:
+    const: sophgo,cv1800b-sound-dac
+
+  reg:
+    maxItems: 1
+
+  "#sound-dai-cells":
+    const: 0
+
+required:
+  - compatible
+  - reg
+  - "#sound-dai-cells"
+
+unevaluatedProperties: false
+
+examples:
+  - |
+    audio-codec@...A000  {
+      compatible = "sophgo,cv1800b-sound-dac";
+      #sound-dai-cells = <0>;
+      reg = <0x0300A000 0x100>;
+    };
+...

-- 
2.43.0