Add document for mt7986 board with wm8960.

Signed-off-by: Maso Huang <maso.huang@mediatek.com>
Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
---
 .../sound/mediatek,mt7986-wm8960.yaml         | 67 +++++++++++++++++++
 1 file changed, 67 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/sound/mediatek,mt7986-wm8960.yaml

diff --git a/Documentation/devicetree/bindings/sound/mediatek,mt7986-wm8960.yaml b/Documentation/devicetree/bindings/sound/mediatek,mt7986-wm8960.yaml
new file mode 100644
index 000000000000..09247ceea3f7
--- /dev/null
+++ b/Documentation/devicetree/bindings/sound/mediatek,mt7986-wm8960.yaml
@@ -0,0 +1,67 @@
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/sound/mediatek,mt7986-wm8960.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: MediaTek MT7986 sound card with WM8960 codec
+
+maintainers:
+  - Maso Huang <maso.huang@mediatek.com>
+
+allOf:
+  - $ref: sound-card-common.yaml#
+
+properties:
+  compatible:
+    const: mediatek,mt7986-wm8960-sound
+
+  platform:
+    type: object
+    additionalProperties: false
+    properties:
+      sound-dai:
+        description: The phandle of MT7986 platform.
+        maxItems: 1
+    required:
+      - sound-dai
+
+  codec:
+    type: object
+    additionalProperties: false
+    properties:
+      sound-dai:
+        description: The phandle of wm8960 codec.
+        maxItems: 1
+    required:
+      - sound-dai
+
+unevaluatedProperties: false
+
+required:
+  - compatible
+  - audio-routing
+  - platform
+  - codec
+
+examples:
+  - |
+    sound {
+        compatible = "mediatek,mt7986-wm8960-sound";
+        model = "mt7986-wm8960";
+        audio-routing =
+            "Headphone", "HP_L",
+            "Headphone", "HP_R",
+            "LINPUT1", "AMIC",
+            "RINPUT1", "AMIC";
+
+        platform {
+            sound-dai = <&afe>;
+        };
+
+        codec {
+            sound-dai = <&wm8960>;
+        };
+    };
+
+...
-- 
2.18.0

On Thu, 17 Aug 2023 18:13:37 +0800, Maso Huang wrote:
> Add document for mt7986 board with wm8960.
> 
> Signed-off-by: Maso Huang <maso.huang@mediatek.com>
> Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
> ---
>  .../sound/mediatek,mt7986-wm8960.yaml         | 67 +++++++++++++++++++
>  1 file changed, 67 insertions(+)
>  create mode 100644 Documentation/devicetree/bindings/sound/mediatek,mt7986-wm8960.yaml
> 

My bot found errors running 'make DT_CHECKER_FLAGS=-m dt_binding_check'
on your patch (DT_CHECKER_FLAGS is new in v5.13):

yamllint warnings/errors:

dtschema/dtc warnings/errors:
/builds/robherring/dt-review-ci/linux/Documentation/devicetree/bindings/sound/mediatek,mt7986-wm8960.yaml:
Error in referenced schema matching $id: http://devicetree.org/schemas/sound/sound-card-common.yaml
/builds/robherring/dt-review-ci/linux/Documentation/devicetree/bindings/sound/mediatek,mt7986-wm8960.example.dtb: sound: False schema does not allow {'compatible': ['mediatek,mt7986-wm8960-sound'], 'model': ['mt7986-wm8960'], 'audio-routing': ['Headphone', 'HP_L', 'Headphone', 'HP_R', 'LINPUT1', 'AMIC', 'RINPUT1', 'AMIC'], 'platform': {'sound-dai': [[4294967295]]}, 'codec': {'sound-dai': [[4294967295]]}, '$nodename': ['sound']}
	from schema $id: http://devicetree.org/schemas/sound/mediatek,mt7986-wm8960.yaml#
/builds/robherring/dt-review-ci/linux/Documentation/devicetree/bindings/sound/mediatek,mt7986-wm8960.example.dtb: sound: Unevaluated properties are not allowed ('audio-routing', 'model' were unexpected)
	from schema $id: http://devicetree.org/schemas/sound/mediatek,mt7986-wm8960.yaml#

doc reference errors (make refcheckdocs):

See https://patchwork.ozlabs.org/project/devicetree-bindings/patch/20230817101338.18782-6-maso.huang@mediatek.com

The base for the series is generally the latest rc1. A different dependency
should be noted in *this* patch.

If you already ran 'make dt_binding_check' and didn't see the above
error(s), then make sure 'yamllint' is installed and dt-schema is up to
date:

pip3 install dtschema --upgrade

Please check and re-submit after running the above command yourself. Note
that DT_SCHEMA_FILES can be set to your schema file to speed up checking
your schema. However, it must be unset to test all examples with your schema.