linux-kernel - [PATCH 14/14] dt-bindings: mediatek: mt8196: add mt8196-mt6681 document

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Message-ID: <20250307124841.23777-15-darren.ye@mediatek.com>
Date: Fri, 7 Mar 2025 20:47:40 +0800
From: Darren.Ye <darren.ye@...iatek.com>
To: Liam Girdwood <lgirdwood@...il.com>, Mark Brown <broonie@...nel.org>, "Rob
 Herring" <robh@...nel.org>, Krzysztof Kozlowski <krzk+dt@...nel.org>, "Conor
 Dooley" <conor+dt@...nel.org>, Matthias Brugger <matthias.bgg@...il.com>,
	AngeloGioacchino Del Regno <angelogioacchino.delregno@...labora.com>,
	Jaroslav Kysela <perex@...ex.cz>, Takashi Iwai <tiwai@...e.com>, "Linus
 Walleij" <linus.walleij@...aro.org>, Bartosz Golaszewski <brgl@...ev.pl>
CC: <linux-sound@...r.kernel.org>, <devicetree@...r.kernel.org>,
	<linux-kernel@...r.kernel.org>, <linux-arm-kernel@...ts.infradead.org>,
	<linux-mediatek@...ts.infradead.org>, <linux-gpio@...r.kernel.org>, Darren Ye
	<darren.ye@...iatek.com>
Subject: [PATCH 14/14] dt-bindings: mediatek: mt8196: add mt8196-mt6681 document

From: Darren Ye <darren.ye@...iatek.com>

Add document for mt8196 board with mt6681.

Signed-off-by: Darren Ye <darren.ye@...iatek.com>
---
 .../sound/mediatek,mt8196-mt6681.yaml         | 122 ++++++++++++++++++
 1 file changed, 122 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/sound/mediatek,mt8196-mt6681.yaml

diff --git a/Documentation/devicetree/bindings/sound/mediatek,mt8196-mt6681.yaml b/Documentation/devicetree/bindings/sound/mediatek,mt8196-mt6681.yaml
new file mode 100644
index 000000000000..b144ba748c23
--- /dev/null
+++ b/Documentation/devicetree/bindings/sound/mediatek,mt8196-mt6681.yaml
@@ -0,0 +1,122 @@
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/sound/mediatek,mt8196-mt6681.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: MediaTek MT8196 ASoC sound card
+
+maintainers:
+  - Darren Ye <darren.ye@...iatek.com>
+
+allOf:
+  - $ref: sound-card-common.yaml#
+
+properties:
+  compatible:
+    oneOf:
+      - enum:
+          - mediatek,mt8196-mt6681-sound
+          - mediatek,mt8196-nau8825-sound
+          - mediatek,mt8196-rt5682s-sound
+          - mediatek,mt8196-rt5650-sound
+      - items:
+          - const: mediatek,mt8196-mt6681-sound
+          - const: mediatek,mt8196-nau8825-sound
+
+  audio-routing:
+    description:
+      Valid names could be the input or output widgets of audio components,
+      power supplies, MicBias of codec and the software switch.
+
+  mediatek,platform:
+    $ref: /schemas/types.yaml#/definitions/phandle
+    description: The phandle of MT8188 ASoC platform.
+
+  mediatek,adsp:
+    $ref: /schemas/types.yaml#/definitions/phandle
+    description:
+      The phandle of the MT8188 ADSP platform, which is the optional Audio DSP
+      hardware that provides additional audio functionalities if present.
+      The AFE will link to ADSP when the phandle is provided.
+
+patternProperties:
+  "^dai-link-[0-9]+$":
+    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.
+        items:
+          enum:
+            - TDM_DPTX_BE
+            - I2SOUT6_BE
+            - I2SIN6_BE
+            - I2SOUT4_BE
+            - I2SOUT3_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.
+        items:
+          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.
+        items:
+          enum:
+            - cpu
+            - codec
+
+    additionalProperties: false
+
+    required:
+      - link-name
+
+unevaluatedProperties: false
+
+required:
+  - compatible
+  - mediatek,platform
+
+examples:
+  - |
+    sound {
+        compatible = "mediatek,mt8196-mt6681-sound";
+        model = "mt8196-mt6681";
+        mediatek,platform = <&afe>;
+        audio-routing = "I2SOUT4", "I2SIN4_GPIO",
+                        "I2SOUT4", "I2OUT4_GPIO",
+                        "I2SOUT6", "I2SIN6_GPIO",
+                        "I2SOUT6", "I2SOUT6_GPIO";
+
+        dai-link-0 {
+            link-name = "I2SOUT6_BE";
+            dai-format = "i2s";
+            mediatek,clk-provider = "cpu";
+            codec {
+                sound-dai = <&nau8825>;
+            };
+        };
+    };
+
-- 
2.45.2