[PATCH v2] dt-bindings: convert ac97 controller child node codec to dtschema

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Convert codec bindings of an ac97 controller child node describing ac97 codecs to DT schema.
Update example during conversion.

Signed-off-by: Archana <craechal@xxxxxxxxx>
---
v1->v2:
1. Add newline at end of file

 .../devicetree/bindings/sound/ac97-bus.txt    | 32 ----------
 .../devicetree/bindings/sound/ac97-bus.yaml   | 60 +++++++++++++++++++
 2 files changed, 60 insertions(+), 32 deletions(-)
 delete mode 100644 Documentation/devicetree/bindings/sound/ac97-bus.txt
 create mode 100644 Documentation/devicetree/bindings/sound/ac97-bus.yaml

diff --git a/Documentation/devicetree/bindings/sound/ac97-bus.txt b/Documentation/devicetree/bindings/sound/ac97-bus.txt
deleted file mode 100644
index 103c428f2595..000000000000
--- a/Documentation/devicetree/bindings/sound/ac97-bus.txt
+++ /dev/null
@@ -1,32 +0,0 @@
-Generic AC97 Device Properties
-
-This documents describes the devicetree bindings for an ac97 controller child
-node describing ac97 codecs.
-
-Required properties:
--compatible : Must be "ac97,vendor_id1,vendor_id2
-	      The ids shall be the 4 characters hexadecimal encoding, such as
-	      given by "%04x" formatting of printf
--reg	    : Must be the ac97 codec number, between 0 and 3
-
-Example:
-ac97: sound@40500000 {
-	compatible = "marvell,pxa270-ac97";
-	reg = < 0x40500000 0x1000 >;
-	interrupts = <14>;
-	reset-gpios = <&gpio 95 GPIO_ACTIVE_HIGH>;
-	#sound-dai-cells = <1>;
-	pinctrl-names = "default";
-	pinctrl-0 = < &pinctrl_ac97_default >;
-	clocks = <&clks CLK_AC97>, <&clks CLK_AC97CONF>;
-	clock-names = "AC97CLK", "AC97CONFCLK";
-
-	#address-cells = <1>;
-	#size-cells = <0>;
-	audio-codec@0 {
-		reg = <0>;
-		compatible = "ac97,574d,4c13";
-		clocks = <&fixed_wm9713_clock>;
-		clock-names = "ac97_clk";
-	}
-};
diff --git a/Documentation/devicetree/bindings/sound/ac97-bus.yaml b/Documentation/devicetree/bindings/sound/ac97-bus.yaml
new file mode 100644
index 000000000000..4d86d557c303
--- /dev/null
+++ b/Documentation/devicetree/bindings/sound/ac97-bus.yaml
@@ -0,0 +1,60 @@
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/sound/ac97-bus.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Generic AC97 Device Properties
+
+maintainers:
+  - Archana <craechal@xxxxxxxxx>
+
+description: |
+  This documents describes the devicetree bindings for an ac97 controller child 
+  node describing ac97 codecs.
+
+allOf:
+  - $ref: dai-common.yaml#
+
+properties:
+  compatible:
+    description:
+      Must be "ac97,vendor_id1,vendor_id2". The ids shall be the 4 characters hexadecimal encoding, such as
+      given by "%04x" formatting of printf
+    pattern: "^ac97,[A-Fa-f0-9]{4},[A-Fa-f0-9]{4}$"
+
+  reg:
+    description: Must be the ac97 codec number, between 0 and 3
+    minimum: 0
+    maximum: 3
+
+required:
+  - compatible
+  - reg
+
+unevaluatedProperties: false
+
+examples:
+  - |
+    #include <dt-bindings/gpio/gpio.h>
+    #include <dt-bindings/clock/pxa-clock.h>
+    ac97: sound@40500000 {
+      compatible = "marvell,pxa270-ac97";
+      reg = < 0x40500000 0x1000 >;
+      interrupts = <14>;
+      reset-gpios = <&gpio 95 GPIO_ACTIVE_HIGH>;
+      #sound-dai-cells = <1>;
+      pinctrl-names = "default";
+      pinctrl-0 = < &pinctrl_ac97_default >;
+      clocks = <&clks CLK_AC97>, <&clks CLK_AC97CONF>;
+      clock-names = "AC97CLK", "AC97CONFCLK";
+
+      #address-cells = <1>;
+      #size-cells = <0>;
+      audio-codec@0 {
+        reg = <0>;
+        compatible = "ac97,574d,4c13";
+        clocks = <&fixed_wm9713_clock>;
+        clock-names = "ac97_clk";
+      };
+    };
-- 
2.34.1




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