ASoC: dt-bindings: atmel-classd: PDMIC convert to json-schema

Convert Atmel PDMIC devicetree binding to json-schema.
Change file naming to match json-schema naming.
Signed-off-by: Ryan Wanner <Ryan.Wanner@microchip.com>
Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Link: https://lore.kernel.org/r/20220715162922.660859-3-Ryan.Wanner@microchip.comSigned-off-by: Mark Brown <broonie@kernel.org>

Documentation/devicetree/bindings/sound/atmel,sama5d2-pdmic.yaml

+# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
+# Copyright (C) 2022 Microchip Technology, Inc. and its subsidiaries
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/sound/atmel,sama5d2-pdmic.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Atmel PDMIC decoder
+
+maintainers:
+  - Claudiu Beznea <claudiu.beznea@microchip.com>
+
+description:
+  Atmel Pulse Density Modulation Interface Controller
+  (PDMIC) peripheral is a mono PDM decoder module
+  that decodes an incoming PDM sample stream.
+
+properties:
+  compatible:
+    const: atmel,sama5d2-pdmic
+
+  reg:
+    maxItems: 1
+
+  interrupts:
+    maxItems: 1
+
+  clocks:
+    items:
+      - description: peripheral clock
+      - description: generated clock
+
+  clock-names:
+    items:
+      - const: pclk
+      - const: gclk
+
+  dmas:
+    maxItems: 1
+
+  dma-names:
+    const: rx
+
+  atmel,mic-min-freq:
+    $ref: /schemas/types.yaml#/definitions/uint32
+    description:
+      The minimal frequency that the microphone supports.
+
+  atmel,mic-max-freq:
+    $ref: /schemas/types.yaml#/definitions/uint32
+    description:
+      The maximal frequency that the microphone supports.
+
+  atmel,model:
+    $ref: /schemas/types.yaml#/definitions/string
+    default: PDMIC
+    description: The user-visible name of this sound card.
+
+  atmel,mic-offset:
+    $ref: /schemas/types.yaml#/definitions/int32
+    default: 0
+    description: The offset that should be added.
+
+required:
+  - compatible
+  - reg
+  - interrupts
+  - dmas
+  - dma-names
+  - clock-names
+  - clocks
+  - atmel,mic-min-freq
+  - atmel,mic-max-freq
+
+additionalProperties: false
+
+examples:
+  - |
+    #include <dt-bindings/dma/at91.h>
+    #include <dt-bindings/interrupt-controller/arm-gic.h>
+
+    pdmic: sound@f8018000 {
+        compatible = "atmel,sama5d2-pdmic";
+        reg = <0xf8018000 0x124>;
+        interrupts = <48 IRQ_TYPE_LEVEL_HIGH 7>;
+        dmas = <&dma0
+                (AT91_XDMAC_DT_MEM_IF(0) | AT91_XDMAC_DT_PER_IF(1)
+                | AT91_XDMAC_DT_PERID(50))>;
+        dma-names = "rx";
+        clocks = <&pdmic_clk>, <&pdmic_gclk>;
+        clock-names = "pclk", "gclk";
+        pinctrl-names = "default";
+        pinctrl-0 = <&pinctrl_pdmic_default>;
+        atmel,model = "PDMIC@sama5d2_xplained";
+        atmel,mic-min-freq = <1000000>;
+        atmel,mic-max-freq = <3246000>;
+        atmel,mic-offset = <0x0>;
+    };

Documentation/devicetree/bindings/sound/atmel-pdmic.txt

-* Atmel PDMIC driver under ALSA SoC architecture
-
-Required properties:
-- compatible
-	Should be "atmel,sama5d2-pdmic".
-- reg
-	Should contain PDMIC registers location and length.
-- interrupts
-	Should contain the IRQ line for the PDMIC.
-- dmas
-	One DMA specifiers as described in atmel-dma.txt and dma.txt files.
-- dma-names
-	Must be "rx".
-- clock-names
-	Required elements:
-	- "pclk"	peripheral clock
-	- "gclk"	generated clock
-- clocks
-	Must contain an entry for each required entry in clock-names.
-	Please refer to clock-bindings.txt.
-- atmel,mic-min-freq
-	The minimal frequency that the micphone supports.
-- atmel,mic-max-freq
-	The maximal frequency that the micphone supports.
-
-Optional properties:
-- pinctrl-names, pinctrl-0
-	Please refer to pinctrl-bindings.txt.
-- atmel,model
-	The user-visible name of this sound card.
-	The default value is "PDMIC".
-- atmel,mic-offset
-	The offset that should be added.
-	The range is from -32768 to 32767.
-	The default value is 0.
-
-Example:
-	pdmic@f8018000 {
-				compatible = "atmel,sama5d2-pdmic";
-				reg = <0xf8018000 0x124>;
-				interrupts = <48 IRQ_TYPE_LEVEL_HIGH 7>;
-				dmas = <&dma0
-					(AT91_XDMAC_DT_MEM_IF(0) | AT91_XDMAC_DT_PER_IF(1)
-					| AT91_XDMAC_DT_PERID(50))>;
-				dma-names = "rx";
-				clocks = <&pdmic_clk>, <&pdmic_gclk>;
-				clock-names = "pclk", "gclk";
-
-				pinctrl-names = "default";
-				pinctrl-0 = <&pinctrl_pdmic_default>;
-				atmel,model = "PDMIC @ sama5d2_xplained";
-				atmel,mic-min-freq = <1000000>;
-				atmel,mic-max-freq = <3246000>;
-				atmel,mic-offset = <0x0>;
-	};