ASoC: dt-bindings: Add Google Chameleon v3 i2s device

Add binding for google,chv3-i2s device.

Signed-off-by: Paweł Anikiel <pan@semihalf.com
Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org
Link: https://lore.kernel.org/r/20230508113037.137627-4-pan@semihalf.com
Signed-off-by: Mark Brown <broonie@kernel.org

Documentation/devicetree/bindings/sound/google,chv3-i2s.yaml

+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/sound/google,chv3-i2s.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Google Chameleon v3 I2S device
+
+maintainers:
+  - Paweł Anikiel <pan@semihalf.com>
+
+description: |
+  I2S device for the Google Chameleon v3. The device handles both RX
+  and TX using a producer/consumer ring buffer design.
+
+properties:
+  compatible:
+    const: google,chv3-i2s
+
+  reg:
+    items:
+      - description: core registers
+      - description: irq registers
+
+  interrupts:
+    maxItems: 1
+
+required:
+  - compatible
+  - reg
+  - interrupts
+
+additionalProperties: false
+
+examples:
+  - |
+    #include <dt-bindings/interrupt-controller/arm-gic.h>
+
+    i2s@c0060300 {
+        compatible = "google,chv3-i2s";
+        reg = <0xc0060300 0x100>,
+              <0xc0060f00 0x10>;
+        interrupts = <GIC_SPI 20 IRQ_TYPE_LEVEL_HIGH>;
+    };