Add documentation for Airoha AN7581 with WM8960 i2c codec YAML schema.

Signed-off-by: Christian Marangi <ansuelsmth@gmail.com>
---
 .../bindings/sound/airoha,an7581-afe.yaml     | 41 +++++++++++++++++++
 1 file changed, 41 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/sound/airoha,an7581-afe.yaml

diff --git a/Documentation/devicetree/bindings/sound/airoha,an7581-afe.yaml b/Documentation/devicetree/bindings/sound/airoha,an7581-afe.yaml
new file mode 100644
index 000000000000..80d9e87f1470
--- /dev/null
+++ b/Documentation/devicetree/bindings/sound/airoha,an7581-afe.yaml
@@ -0,0 +1,41 @@
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/sound/airoha,an7581-afe.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Airoha AFE PCM controller for AN7581
+
+maintainers:
+  - Christian Marangi <ansuelsmth@gmail.com>
+
+properties:
+  compatible:
+    const: airoha,an7581-afe
+
+  reg:
+    maxItems: 1
+
+  interrupts:
+    maxItems: 1
+
+required:
+  - compatible
+  - reg
+  - interrupts
+
+additionalProperties: false
+
+examples:
+  - |
+    #include <dt-bindings/interrupt-controller/arm-gic.h>
+    #include <dt-bindings/interrupt-controller/irq.h>
+
+    afe@1fbe2200 {
+        compatible = "airoha,an7581-afe";
+        reg = <0x1fbe2200 0x9000>;
+
+        interrupts = <GIC_SPI 48 IRQ_TYPE_LEVEL_HIGH>;
+    };
+
+...
-- 
2.51.0