+++ /dev/null
-GTM601 UMTS modem audio interface CODEC
-
-This device has no configuration interface. The sample rate and channels are
-based on the compatible string
- "option,gtm601" = 8kHz mono
- "broadmobi,bm818" = 48KHz stereo
-
-Required properties:
-
- - compatible : one of
- "option,gtm601"
- "broadmobi,bm818"
-
-
-Example:
-
-codec: gtm601_codec {
- compatible = "option,gtm601";
-};
--- /dev/null
+# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/sound/option,gtm601.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: GTM601 UMTS modem audio interface CODEC
+
+maintainers:
+ - kernel@puri.sm
+
+description: >
+ This device has no configuration interface. The sample rate and channels are
+ based on the compatible string
+
+properties:
+ compatible:
+ oneOf:
+ - items: # 48 kHz stereo
+ - const: broadmobi,bm818
+ - const: option,gtm601
+ - const: option,gtm601 # 8 kHz mono
+
+ '#sound-dai-cells':
+ const: 0
+
+required:
+ - compatible
+
+allOf:
+ - $ref: dai-common.yaml#
+
+additionalProperties: false
+
+examples:
+ - |
+ codec {
+ compatible = "option,gtm601";
+ #sound-dai-cells = <0>;
+ };