ASoC: dt-bindings: fsl,mqs: Convert format to json-schema

Convert NXP medium quality sound (MQS) device tree binding
documentation to json-schema.

Signed-off-by: Chancel Liu <chancel.liu@nxp.com>
Reviewed-by: Rob Herring <robh@kernel.org>
Link: https://lore.kernel.org/r/20231122101959.30264-4-chancel.liu@nxp.com
Signed-off-by: Mark Brown <broonie@kernel.org>

Documentation/devicetree/bindings/sound/fsl,mqs.txt

@@ -1,36 +0,0 @@
-fsl,mqs audio CODEC
-
-Required properties:
-  - compatible : Must contain one of "fsl,imx6sx-mqs", "fsl,codec-mqs"
-		"fsl,imx8qm-mqs", "fsl,imx8qxp-mqs", "fsl,imx93-mqs".
-  - clocks : A list of phandles + clock-specifiers, one for each entry in
-	     clock-names
-  - clock-names : "mclk" - must required.
-		  "core" - required if compatible is "fsl,imx8qm-mqs", it
-		           is for register access.
-  - gpr : A phandle of General Purpose Registers in IOMUX Controller.
-	  Required if compatible is "fsl,imx6sx-mqs".
-
-Required if compatible is "fsl,imx8qm-mqs":
-  - power-domains: A phandle of PM domain provider node.
-  - reg: Offset and length of the register set for the device.
-
-Example:
-
-mqs: mqs {
-	compatible = "fsl,imx6sx-mqs";
-	gpr = <&gpr>;
-	clocks = <&clks IMX6SX_CLK_SAI1>;
-	clock-names = "mclk";
-	status = "disabled";
-};
-
-mqs: mqs@59850000 {
-	compatible = "fsl,imx8qm-mqs";
-	reg = <0x59850000 0x10000>;
-	clocks = <&clk IMX8QM_AUD_MQS_IPG>,
-		 <&clk IMX8QM_AUD_MQS_HMCLK>;
-	clock-names = "core", "mclk";
-	power-domains = <&pd_mqs0>;
-	status = "disabled";
-};

Documentation/devicetree/bindings/sound/fsl,mqs.yaml

@@ -0,0 +1,105 @@
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/sound/fsl,mqs.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: NXP Medium Quality Sound (MQS)
+
+maintainers:
+  - Shengjiu Wang <shengjiu.wang@nxp.com>
+  - Chancel Liu <chancel.liu@nxp.com>
+
+description: |
+  Medium quality sound (MQS) is used to generate medium quality audio
+  via a standard GPIO in the pinmux, allowing the user to connect
+  stereo speakers or headphones to a power amplifier without an
+  additional DAC chip.
+
+properties:
+  compatible:
+    enum:
+      - fsl,imx6sx-mqs
+      - fsl,imx8qm-mqs
+      - fsl,imx8qxp-mqs
+      - fsl,imx93-mqs
+
+  clocks:
+    minItems: 1
+    maxItems: 2
+
+  clock-names:
+    minItems: 1
+    maxItems: 2
+
+  gpr:
+    $ref: /schemas/types.yaml#/definitions/phandle
+    description: The phandle to the General Purpose Register (GPR) node
+
+  reg:
+    maxItems: 1
+
+  power-domains:
+    maxItems: 1
+
+  resets:
+    maxItems: 1
+
+required:
+  - compatible
+  - clocks
+  - clock-names
+
+allOf:
+  - if:
+      properties:
+        compatible:
+          contains:
+            enum:
+              - fsl,imx8qm-mqs
+              - fsl,imx8qxp-mqs
+    then:
+      properties:
+        clocks:
+          items:
+            - description: Master clock
+            - description: Clock for register access
+        clock-names:
+          items:
+            - const: mclk
+            - const: core
+      required:
+        - reg
+        - power-domains
+    else:
+      properties:
+        clocks:
+          items:
+            - description: Master clock
+        clock-names:
+          items:
+            - const: mclk
+      required:
+        - gpr
+
+additionalProperties: false
+
+examples:
+  - |
+    #include <dt-bindings/clock/imx6sx-clock.h>
+    mqs0: mqs {
+        compatible = "fsl,imx6sx-mqs";
+        gpr = <&gpr>;
+        clocks = <&clks IMX6SX_CLK_SAI1>;
+        clock-names = "mclk";
+    };
+
+  - |
+    #include <dt-bindings/firmware/imx/rsrc.h>
+    mqs1: mqs@59850000 {
+        compatible = "fsl,imx8qm-mqs";
+        reg = <0x59850000 0x10000>;
+        clocks = <&mqs0_lpcg 0>, <&mqs0_lpcg 1>;
+        clock-names = "mclk", "core";
+        power-domains = <&pd IMX_SC_R_MQS_0>;
+    };