[PATCH 1/4] ASoC: dt-bindings: wlf,wm8524: Convert to json-schema

[Chancel Liu <chancel.liu@nxp.com>]

Convert the Wolfson WM8524 24-bit 192KHz Stereo DAC device tree
binding documentation to json-schema.

Signed-off-by: Chancel Liu <chancel.liu@nxp.com>
---
 .../devicetree/bindings/sound/wlf,wm8524.yaml | 37 +++++++++++++++++++
 .../devicetree/bindings/sound/wm8524.txt      | 16 --------
 2 files changed, 37 insertions(+), 16 deletions(-)
 create mode 100644 Documentation/devicetree/bindings/sound/wlf,wm8524.yaml
 delete mode 100644 Documentation/devicetree/bindings/sound/wm8524.txt

diff --git a/Documentation/devicetree/bindings/sound/wlf,wm8524.yaml b/Documentation/devicetree/bindings/sound/wlf,wm8524.yaml
new file mode 100644
index 000000000000..09c54cc7de95
--- /dev/null
+++ b/Documentation/devicetree/bindings/sound/wlf,wm8524.yaml
@@ -0,0 +1,37 @@
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/sound/wlf,wm8524.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Wolfson WM8524 24-bit 192KHz Stereo DAC
+
+maintainers:
+  - patches@opensource.cirrus.com
+
+properties:
+  compatible:
+    const: wlf,wm8524
+
+  "#sound-dai-cells":
+    const: 0
+
+  wlf,mute-gpios:
+    maxItems: 1
+    description:
+      a GPIO spec for the MUTE pin.
+
+required:
+  - compatible
+  - wlf,mute-gpios
+
+additionalProperties: false
+
+examples:
+  - |
+    #include <dt-bindings/gpio/gpio.h>
+
+    wm8524: codec {
+            compatible = "wlf,wm8524";
+            wlf,mute-gpios = <&gpio1 8 GPIO_ACTIVE_LOW>;
+    };
diff --git a/Documentation/devicetree/bindings/sound/wm8524.txt b/Documentation/devicetree/bindings/sound/wm8524.txt
deleted file mode 100644
index f6c0c263b135..000000000000
--- a/Documentation/devicetree/bindings/sound/wm8524.txt
+++ /dev/null
@@ -1,16 +0,0 @@
-WM8524 audio CODEC
-
-This device does not use I2C or SPI but a simple Hardware Control Interface.
-
-Required properties:
-
-  - compatible : "wlf,wm8524"
-
-  - wlf,mute-gpios: a GPIO spec for the MUTE pin.
-
-Example:
-
-wm8524: codec {
-	compatible = "wlf,wm8524";
-	wlf,mute-gpios = <&gpio1 8 GPIO_ACTIVE_LOW>;
-};
-- 
2.25.1