ASoC: dt-bindings: mediatek,mt8189-nau8825: add mt8189-nau8825 document

Add document for mt8189 board with nau8825.

Signed-off-by: Cyril Chao <Cyril.Chao@mediatek.com>
Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Link: https://patch.msgid.link/20251031073216.8662-10-Cyril.Chao@mediatek.com
Signed-off-by: Mark Brown <broonie@kernel.org>

diff --git a/Documentation/devicetree/bindings/sound/mediatek,mt8189-nau8825.yaml b/Documentation/devicetree/bindings/sound/mediatek,mt8189-nau8825.yaml
new file mode 100644 (file)
index 0000000..dd9ee0a
--- /dev/null
+++ b/Documentation/devicetree/bindings/sound/mediatek,mt8189-nau8825.yaml
@@ -0,0 +1,101 @@
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/sound/mediatek,mt8189-nau8825.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: MediaTek MT8189 ASoC sound card
+
+maintainers:
+  - Darren Ye <darren.ye@mediatek.com>
+  - Cyril Chao <cyril.chao@mediatek.com>
+
+allOf:
+  - $ref: sound-card-common.yaml#
+
+properties:
+  compatible:
+    enum:
+      - mediatek,mt8189-nau8825
+      - mediatek,mt8189-rt5650
+      - mediatek,mt8189-rt5682s
+      - mediatek,mt8189-rt5682i
+      - mediatek,mt8189-es8326
+
+  mediatek,platform:
+    $ref: /schemas/types.yaml#/definitions/phandle
+    description: The phandle of MT8189 ASoC platform.
+
+patternProperties:
+  "^dai-link-[0-9]+$":
+    type: object
+    description:
+      Container for dai-link level properties and CODEC sub-nodes.
+
+    properties:
+      link-name:
+        description:
+          This property corresponds to the name of the BE dai-link to which
+          we are going to update parameters in this node.
+        enum:
+          - TDM_DPTX_BE
+          - I2SOUT0_BE
+          - I2SIN0_BE
+          - I2SOUT1_BE
+
+      codec:
+        description: Holds subnode which indicates codec dai.
+        type: object
+        additionalProperties: false
+
+        properties:
+          sound-dai:
+            minItems: 1
+            maxItems: 2
+        required:
+          - sound-dai
+
+      dai-format:
+        description: audio format.
+        enum:
+          - i2s
+          - right_j
+          - left_j
+          - dsp_a
+          - dsp_b
+
+      mediatek,clk-provider:
+        $ref: /schemas/types.yaml#/definitions/string
+        description: Indicates dai-link clock master.
+        enum:
+          - cpu
+          - codec
+
+    additionalProperties: false
+
+    required:
+      - link-name
+
+required:
+  - compatible
+  - mediatek,platform
+
+unevaluatedProperties: false
+
+examples:
+  - |
+    sound {
+        compatible = "mediatek,mt8189-nau8825";
+        model = "mt8189_rt9123_8825";
+        mediatek,platform = <&afe>;
+        dai-link-0 {
+            link-name = "I2SOUT1_BE";
+            dai-format = "i2s";
+            mediatek,clk-provider = "cpu";
+            codec {
+                sound-dai = <&nau8825>;
+            };
+        };
+    };
+
+...