media: dt-bindings: media: convert meson-ir.txt to dt-schema

Convert the Amlogic Meson IR remote control receiver bindings to
dt-schema.

Take in account the used variant with amlogic,meson-gx-ir.
Reviewed-by: Martin Blumenstingl <martin.blumenstingl@googlemail.com>
Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Signed-off-by: Neil Armstrong <neil.armstrong@linaro.org>
Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@kernel.org>

Documentation/devicetree/bindings/media/amlogic,meson6-ir.yaml

+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/media/amlogic,meson6-ir.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Amlogic Meson IR remote control receiver
+
+maintainers:
+  - Neil Armstrong <neil.armstrong@linaro.org>
+
+allOf:
+  - $ref: rc.yaml#
+
+properties:
+  compatible:
+    oneOf:
+      - enum:
+          - amlogic,meson6-ir
+          - amlogic,meson8b-ir
+          - amlogic,meson-gxbb-ir
+      - items:
+          - const: amlogic,meson-gx-ir
+          - const: amlogic,meson-gxbb-ir
+
+  reg:
+    maxItems: 1
+
+  interrupts:
+    maxItems: 1
+
+required:
+  - compatible
+  - reg
+  - interrupts
+
+unevaluatedProperties: false
+
+examples:
+  - |
+    #include <dt-bindings/interrupt-controller/irq.h>
+    #include <dt-bindings/interrupt-controller/arm-gic.h>
+    ir-receiver@c8100480 {
+        compatible = "amlogic,meson6-ir";
+        reg = <0xc8100480 0x20>;
+        interrupts = <GIC_SPI 15 IRQ_TYPE_EDGE_RISING>;
+    };

Documentation/devicetree/bindings/media/meson-ir.txt

-* Amlogic Meson IR remote control receiver
-
-Required properties:
- - compatible	: depending on the platform this should be one of:
-		  - "amlogic,meson6-ir"
-		  - "amlogic,meson8b-ir"
-		  - "amlogic,meson-gxbb-ir"
- - reg		: physical base address and length of the device registers
- - interrupts	: a single specifier for the interrupt from the device
-
-Optional properties:
- - linux,rc-map-name:	see rc.txt file in the same directory.
-
-Example:
-
-	ir-receiver@c8100480 {
-		compatible= "amlogic,meson6-ir";
-		reg = <0xc8100480 0x20>;
-		interrupts = <0 15 1>;
-	};