[PATCH 1/3] ASoC: dt-bindings: maxim,max9867: convert txt bindings to yaml

[richard.leitner@linux.dev]

From: Richard Leitner <richard.leitner@skidata.com>

Convert from max9867.txt to maxim,max9867.yaml and add missing
'#sound-dai-cells' property.

Signed-off-by: Richard Leitner <richard.leitner@skidata.com>
---
 .../devicetree/bindings/sound/max9867.txt          | 17 --------
 .../devicetree/bindings/sound/maxim,max9867.yaml   | 51 ++++++++++++++++++++++
 2 files changed, 51 insertions(+), 17 deletions(-)

diff --git a/Documentation/devicetree/bindings/sound/max9867.txt b/Documentation/devicetree/bindings/sound/max9867.txt
deleted file mode 100644
index b8bd914ee697..000000000000
--- a/Documentation/devicetree/bindings/sound/max9867.txt
+++ /dev/null
@@ -1,17 +0,0 @@
-max9867 codec
-
-This device supports I2C mode only.
-
-Required properties:
-
-- compatible : "maxim,max9867"
-- reg : The chip select number on the I2C bus
-
-Example:
-
-&i2c {
-	max9867: max9867@18 {
-		compatible = "maxim,max9867";
-		reg = <0x18>;
-	};
-};
diff --git a/Documentation/devicetree/bindings/sound/maxim,max9867.yaml b/Documentation/devicetree/bindings/sound/maxim,max9867.yaml
new file mode 100644
index 000000000000..cefa43c3d34e
--- /dev/null
+++ b/Documentation/devicetree/bindings/sound/maxim,max9867.yaml
@@ -0,0 +1,51 @@
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/sound/max9867.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Maxim Integrated MAX9867 CODEC
+
+description: |
+  This device supports I2C only.
+  Pins on the device (for linking into audio routes):
+      * LOUT
+      * ROUT
+      * LINL
+      * LINR
+      * MICL
+      * MICR
+      * DMICL
+      * DMICR
+
+maintainers:
+  - Ladislav Michl <ladis@linux-mips.org>
+
+allOf:
+  - $ref: dai-common.yaml#
+
+properties:
+  compatible:
+    enum:
+      - maxim,max9867
+
+  '#sound-dai-cells':
+    const: 0
+
+  reg:
+    maxItems: 1
+
+required:
+  - compatible
+  - reg
+
+examples:
+  - |
+    &i2c {
+            max9867: max9867@18 {
+                    compatible = "maxim,max9867";
+                    #sound-dai-cells = <0>;
+                    reg = <0x18>;
+            };
+    };
+...

-- 
2.39.2