dt-bindings: iio: Add dedicated CM32181 schema

Add a dedicated Capella CM32181 ambient light sensor schema. The device
has optional vdd-supply and interrupt properties, so it no longer fits
in trivial-devices. Include both optional properties in the binding
example.

Assisted-by: LLM
Signed-off-by: Rob Herring (Arm) <robh@kernel.org>
Reviewed-by: Joshua Crofts <joshua.crofts1@gmail.com>
Signed-off-by: Jonathan Cameron <jonathan.cameron@oss.qualcomm.com>

Documentation/devicetree/bindings/iio/light/capella,cm32181.yaml

@@ -0,0 +1,44 @@
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/iio/light/capella,cm32181.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Capella CM32181 ambient light sensor
+
+maintainers:
+  - Kevin Tsai <ktsai@capellamicro.com>
+
+properties:
+  compatible:
+    const: capella,cm32181
+
+  reg:
+    maxItems: 1
+
+  vdd-supply: true
+
+  interrupts:
+    maxItems: 1
+
+required:
+  - compatible
+  - reg
+
+additionalProperties: false
+
+examples:
+  - |
+    #include <dt-bindings/interrupt-controller/irq.h>
+    i2c {
+        #address-cells = <1>;
+        #size-cells = <0>;
+
+        light-sensor@10 {
+            compatible = "capella,cm32181";
+            reg = <0x10>;
+            vdd-supply = <&vdd_3v3>;
+            interrupt-parent = <&gpio>;
+            interrupts = <17 IRQ_TYPE_EDGE_RISING>;
+        };
+    };

Documentation/devicetree/bindings/trivial-devices.yaml

@@ -79,8 +79,6 @@ properties:
           - atmel,atsha204a
             # BPA-RS600: Power Supply
           - blutek,bpa-rs600
-            # CM32181: Ambient Light Sensor
-          - capella,cm32181
             # CM3232: Ambient Light Sensor
           - capella,cm3232
             # CM3323: Ambient Light Sensor