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[3/3] ASoC: dt-bindings: Add support for Loongson audio card

Message ID 20230605120934.2306548-3-mengyingkun@loongson.cn
State New
Headers show
Series [1/3] ASoC: Add support for Loongson I2S controller | expand

Commit Message

YingKun Meng June 5, 2023, 12:09 p.m. UTC 
From: Yingkun Meng <mengyingkun@loongson.cn>

The audio card uses loongson I2S controller present in 7axxx/2kxxx chips
to transfer audio data.

Signed-off-by: Yingkun Meng <mengyingkun@loongson.cn>
---
 .../sound/loongson,ls-audio-card.yaml         | 64 +++++++++++++++++++
 1 file changed, 64 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/sound/loongson,ls-audio-card.yaml
diff mbox series

Patch

diff --git a/Documentation/devicetree/bindings/sound/loongson,ls-audio-card.yaml b/Documentation/devicetree/bindings/sound/loongson,ls-audio-card.yaml
new file mode 100644
index 000000000000..f1d6ee346bb3
--- /dev/null
+++ b/Documentation/devicetree/bindings/sound/loongson,ls-audio-card.yaml
@@ -0,0 +1,64 @@ 
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/sound/loongson-audio-card.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Loongson generic ASoC audio sound card.
+
+maintainers:
+  - Yingkun Meng <mengyingkun@loongson.cn>
+
+description:
+  Generic ASoC audio device for loongson platform.
+
+properties:
+  compatible:
+    const: loongson,ls-audio-card
+
+  model:
+    $ref: /schemas/types.yaml#/definitions/string
+    description: User specified audio sound card name
+
+  mclk-fs:
+    $ref: simple-card.yaml#/definitions/mclk-fs
+
+  cpu:
+    description: Holds subnode which indicates cpu dai.
+    type: object
+    additionalProperties: false
+    properties:
+      sound-dai:
+        maxItems: 1
+
+  codec:
+    description: Holds subnode which indicates codec dai.
+    type: object
+    additionalProperties: false
+    properties:
+      sound-dai:
+        maxItems: 1
+
+required:
+  - compatible
+  - model
+  - mclk-fs
+  - cpu
+  - codec
+
+additionalProperties: false
+
+examples:
+  - |
+    sound {
+        compatible = "loongson,ls-audio-card";
+        model = "loongson-audio";
+        mclk-fs = <512>;
+
+        cpu {
+            sound-dai = <&i2s>;
+        };
+        codec {
+             sound-dai = <&es8323>;
+        };
+    };