[PATCH 1/8] dt-bindings: sound: sophgo: add CV1800B I2S/TDM controller binding

Anton D. Stavinskii
2026-01-15T19:18:06Z

Purpose: introduce DT schema for the CPU driver

Signed-off-by: Anton D. Stavinskii <stavinsky@gmail.com>
---
.../bindings/sound/sophgo,cv1800b-i2s.yaml | 75 ++++++++++++++++++++++
1 file changed, 75 insertions(+)

diff --git a/Documentation/devicetree/bindings/sound/sophgo,cv1800b-i2s.yaml b/Documentation/devicetree/bindings/sound/sophgo,cv1800b-i2s.yaml
new file mode 100644
index 000000000000..cf30880a62da
--- /dev/null
+++ b/Documentation/devicetree/bindings/sound/sophgo,cv1800b-i2s.yaml
@@ -0,0 +1,75 @@
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/sound/sophgo,cv1800b-i2s.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Sophgo CV1800B I2S/TDM controller
+
+maintainers:
+ - Anton D. Stavinskii <stavinsky@gmail.com>
+
+description: |
+ I2S/TDM controller found in CV1800B / Sophgo SG2002/SG2000 SoCs.
+
+properties:
+ compatible:
+ const: sophgo,cv1800b-i2s
+
+ reg:
+ maxItems: 1
+
+ "#sound-dai-cells":
+ const: 0
+
+ clocks:
+ minItems: 1
+ maxItems: 2
+
+ clock-names:
+ items:
+ - const: i2s
+ - const: mclk
+
+ dmas:
+ maxItems: 2
+
+ dma-names:
+ description: |
+ Names of DMA channels. May be omitted. If present, one entry
+ selects a single direction, while two entries select RX and TX.
+ minItems: 1
+ maxItems: 2
+ items:
+ enum: [rx, tx]
+
+ "#address-cells":
+ const: 1
+
+ "#size-cells":
+ const: 0
+
+required:
+ - compatible
+ - reg
+ - clocks
+ - clock-names
+ - "#sound-dai-cells"
+
+additionalProperties: false
+
+examples:
+ - |
+ #include <dt-bindings/clock/sophgo,cv1800.h>
+
+ i2s1: i2s@4110000 {
+ compatible = "sophgo,cv1800b-i2s";
+ reg = <0x04110000 0x10000>;
+ #address-cells = <1>;
+ #size-cells = <0>;
+ clocks = <&clk CLK_APB_I2S1>, <&clk CLK_SDMA_AUD1>;
+ clock-names = "i2s", "mclk";
+ dmas = <&dmamux 2 1>, <&dmamux 3 1>;
+ dma-names = "rx", "tx";
+ };
+...

--
2.43.0