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+# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/iio/adc/st,spear600-adc.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: ST SPEAr ADC device driver
+
+maintainers:
+  - Jonathan Cameron <jic23@kernel.org>
+
+description: |
+  Integrated ADC inside the ST SPEAr SoC, SPEAr600, supporting
+  10-bit resolution. Datasheet can be found here:
+  https://www.st.com/resource/en/datasheet/spear600.pdf
+
+properties:
+  compatible:
+    enum:
+      - st,spear600-adc
+
+  reg:
+    maxItems: 1
+
+  interrupts:
+    maxItems: 1
+
+  sampling-frequency:
+    $ref: /schemas/types.yaml#/definitions/uint32
+    minimum: 2500000
+    maximum: 20000000
+    description:
+      Default sampling frequency of the ADC in Hz.
+
+  vref-external:
+    $ref: /schemas/types.yaml#/definitions/uint32
+    minimum: 1000
+    maximum: 2800
+    description:
+      External voltage reference in milli-volts. If omitted the internal voltage
+      reference will be used.
+
+  average-samples:
+    $ref: /schemas/types.yaml#/definitions/uint32
+    minimum: 0
+    maximum: 15
+    default: 0
+    description:
+      Number of samples to generate an average value. If omitted, single data
+      conversion will be used.
+
+required:
+  - compatible
+  - reg
+  - interrupts
+  - sampling-frequency
+
+additionalProperties: false
+
+examples:
+  - |
+    adc@d8200000 {
+        compatible = "st,spear600-adc";
+        reg = <0xd8200000 0x1000>;
+        interrupt-parent = <&vic1>;
+        interrupts = <6>;
+        sampling-frequency = <5000000>;
+        vref-external = <2500>;	/* 2.5V VRef */
+    };