[PATCH v4 1/4] ASoC: dt-bindings: Add Airoha AN7581 AFE Sound card

Add YAML schema for Airoha AN7581 AFE SoC sound card.

The AFE handling on this SoC is very basic with clock always enabled
and all the power saving feature not available.

Signed-off-by: Christian Marangi <[email protected]>
---
 .../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 <[email protected]>
+
+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>;
+    };
+
+...
-- 
2.53.0