[PATCH v4 3/6] ASoC: dt-bindings: sophgo,cv1800b: add ADC/DAC codec

Anton D. Stavinskii
2026-01-20T19:06:21Z

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

Signed-off-by: Anton D. Stavinskii <stavinsky@gmail.com>
---
.../bindings/sound/sophgo,cv1800b-codecs.yaml | 46 ++++++++++++++++++++++
1 file changed, 46 insertions(+)

diff --git a/Documentation/devicetree/bindings/sound/sophgo,cv1800b-codecs.yaml b/Documentation/devicetree/bindings/sound/sophgo,cv1800b-codecs.yaml
new file mode 100644
index 000000000000..7293a98e98c5
--- /dev/null
+++ b/Documentation/devicetree/bindings/sound/sophgo,cv1800b-codecs.yaml
@@ -0,0 +1,46 @@
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/sound/sophgo,cv1800b-codecs.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Sophgo CV1800B Internal ADC/DAC Codec
+
+maintainers:
+ - Anton D. Stavinskii <stavinsky@gmail.com>
+
+description:
+ Internal ADC and DAC audio codecs integrated in the Sophgo CV1800B SoC.
+ Codecs expose a single DAI and are intended to be connected
+ to an I2S/TDM controller via an ASoC machine driver.
+
+allOf:
+ - $ref: dai-common.yaml#
+
+properties:
+ compatible:
+ enum:
+ - sophgo,cv1800b-sound-adc
+ - sophgo,cv1800b-sound-dac
+
+ reg:
+ maxItems: 1
+
+ "#sound-dai-cells":
+ const: 0
+
+required:
+ - compatible
+ - reg
+ - "#sound-dai-cells"
+
+unevaluatedProperties: false
+
+examples:
+ - |
+ audio-codec@300a100 {
+ compatible = "sophgo,cv1800b-sound-adc";
+ reg = <0x0300a100 0x100>;
+ #sound-dai-cells = <0>;
+ };
+...

--
2.43.0