[v4 16/18] dt-bindings: mediatek: mt8186: add mt8186-mt6366-da7219-max98357 document

[Jiaxin Yu <jiaxin.yu@mediatek.com>]

Add document for mt8186 board with mt6366, da7219 and max98357.

Signed-off-by: Jiaxin Yu <jiaxin.yu@mediatek.com>
---
 .../sound/mt8186-mt6366-da7219-max98357.yaml  | 71 +++++++++++++++++++
 1 file changed, 71 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/sound/mt8186-mt6366-da7219-max98357.yaml

diff --git a/Documentation/devicetree/bindings/sound/mt8186-mt6366-da7219-max98357.yaml b/Documentation/devicetree/bindings/sound/mt8186-mt6366-da7219-max98357.yaml
new file mode 100644
index 000000000000..55e8649f2aea
--- /dev/null
+++ b/Documentation/devicetree/bindings/sound/mt8186-mt6366-da7219-max98357.yaml
@@ -0,0 +1,71 @@
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/sound/mt8186-mt6366-da7219-max98357.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Mediatek MT8186 with MT6366, DA7219 and MAX98357 ASoC sound card driver
+
+maintainers:
+  - Jiaxin Yu <jiaxin.yu@mediatek.com>
+
+description:
+  This binding describes the MT8186 sound card.
+
+properties:
+  compatible:
+    enum:
+      - mediatek,mt8186_mt6366_da7219_max98357_sound
+
+  mediatek,platform:
+    $ref: "/schemas/types.yaml#/definitions/phandle"
+    description: The phandle of MT8186 ASoC platform.
+
+  headset-codec:
+    type: object
+    properties:
+      sound-dai:
+        $ref: /schemas/types.yaml#/definitions/phandle
+    required:
+        - sound-dai
+
+  playback-codecs:
+    type: object
+    properties:
+      sound-dai:
+        minItems: 2
+        maxItems: 3
+        $ref: /schemas/types.yaml#/definitions/phandle-array
+    required:
+        - sound-dai
+
+additionalProperties: false
+
+required:
+  - compatible
+  - mediatek,platform
+  - headset-codec
+  - playback-codecs
+
+examples:
+  - |
+
+    sound: mt8186-sound {
+        compatible = "mediatek,mt8186_mt6366_da7219_max98357_sound";
+        mediatek,platform = <&afe>;
+        pinctrl-names = "aud_clk_mosi_off",
+                        "aud_clk_mosi_on";
+        pinctrl-0 = <&aud_clk_mosi_off>;
+        pinctrl-1 = <&aud_clk_mosi_on>;
+
+        headset-codec {
+            sound-dai = <&da7219>;
+        };
+
+        playback-codecs {
+            sound-dai = <&anx_bridge_dp>,
+                        <&max98357a>;
+        };
+    };
+
+...
-- 
2.25.1