[PATCH] dt-binding: sound: Convert atmel pdmic to json-schema

[<Ryan.Wanner@microchip.com>]

From: Ryan Wanner <Ryan.Wanner@microchip.com>

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>
---
 .../bindings/sound/atmel,sama5d2-pdmic.yaml   | 104 ++++++++++++++++++
 .../devicetree/bindings/sound/atmel-pdmic.txt |  55 ---------
 2 files changed, 104 insertions(+), 55 deletions(-)
 create mode 100644 Documentation/devicetree/bindings/sound/atmel,sama5d2-pdmic.yaml
 delete mode 100644 Documentation/devicetree/bindings/sound/atmel-pdmic.txt

diff --git a/Documentation/devicetree/bindings/sound/atmel,sama5d2-pdmic.yaml b/Documentation/devicetree/bindings/sound/atmel,sama5d2-pdmic.yaml
new file mode 100644
index 000000000000..cb34c0fc4fc8
--- /dev/null
+++ b/Documentation/devicetree/bindings/sound/atmel,sama5d2-pdmic.yaml
@@ -0,0 +1,104 @@
+# 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 driver under ALSA SoC architecture
+
+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:
+    items:
+      - const: atmel,sama5d2-pdmic
+
+  reg:
+    description: Should contain PDMIC registers location and length.
+    maxItems: 1
+
+  interrupts:
+    maxItems: 1
+
+  clocks:
+    description:
+      Must contain an entry for each required entry in clock-names.
+      Please refer to clock-bindings.txt.
+
+    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:
+    description: The user-visible name of this sound card.
+    $ref: /schemas/types.yaml#/definitions/string
+    default: PDMIC
+
+  atmel,mic-offset:
+    $ref: /schemas/types.yaml#/definitions/int32
+    description: The offset that should be added.
+    default: 0
+
+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>;
+    };
diff --git a/Documentation/devicetree/bindings/sound/atmel-pdmic.txt b/Documentation/devicetree/bindings/sound/atmel-pdmic.txt
deleted file mode 100644
index e0875f17c229..000000000000
--- a/Documentation/devicetree/bindings/sound/atmel-pdmic.txt
+++ /dev/null
@@ -1,55 +0,0 @@
-* 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>;
-	};
-- 
2.34.1