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diff --git a/Documentation/devicetree/bindings/iio/adc/fsl,imx25-gcq.yaml b/Documentation/devicetree/bindings/iio/adc/fsl,imx25-gcq.yaml
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+# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/iio/adc/fsl,imx25-gcq.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Freescale ADC GCQ device
+
+description:
+  This is a generic conversion queue device that can convert any of the
+  analog inputs using the ADC unit of the i.MX25.
+
+maintainers:
+  - Jonathan Cameron <jic23@kernel.org>
+
+properties:
+  compatible:
+    const: fsl,imx25-gcq
+
+  reg:
+    maxItems: 1
+
+  interrupts:
+    maxItems: 1
+
+  vref-ext-supply:
+    description:
+      The regulator supplying the ADC reference voltage.
+      Required when at least one subnode uses the this reference.
+
+  vref-xp-supply:
+    description:
+      The regulator supplying the ADC reference voltage on pin XP.
+      Required when at least one subnode uses this reference.
+
+  vref-yp-supply:
+    description:
+      The regulator supplying the ADC reference voltage on pin YP.
+      Required when at least one subnode uses this reference.
+
+  "#io-channel-cells":
+    const: 1
+
+  "#address-cells":
+    const: 1
+
+  "#size-cells":
+    const: 0
+
+required:
+  - compatible
+  - reg
+  - interrupts
+  - "#address-cells"
+  - "#size-cells"
+
+patternProperties:
+  "[a-z][a-z0-9]+@[0-9a-f]+$":
+    type: object
+    description:
+      Child nodes used to define the reference voltages used for each channel
+
+    properties:
+      reg:
+        description: |
+          Number of the analog input.
+          0: xp
+          1: yp
+          2: xn
+          3: yn
+          4: wiper
+          5: inaux0
+          6: inaux1
+          7: inaux2
+        items:
+          - minimum: 0
+            maximum: 7
+
+      fsl,adc-refp:
+        $ref: /schemas/types.yaml#/definitions/uint32
+        description: |
+          Specifies the positive reference input as defined in
+          <dt-bindings/iio/adc/fsl-imx25-gcq.h>
+          0: YP voltage reference
+          1: XP voltage reference
+          2: External voltage reference
+          3: Internal voltage reference (default)
+        minimum: 0
+        maximum: 3
+
+      fsl,adc-refn:
+        $ref: /schemas/types.yaml#/definitions/uint32
+        description: |
+          Specifies the negative reference input as defined in
+          <dt-bindings/iio/adc/fsl-imx25-gcq.h>
+          0: XN ground reference
+          1: YN ground reference
+          2: Internal ground reference
+          3: External ground reference (default)
+        minimum: 0
+        maximum: 3
+
+    required:
+      - reg
+
+    additionalProperties: false
+
+additionalProperties: false
+
+examples:
+  - |
+    #include <dt-bindings/iio/adc/fsl-imx25-gcq.h>
+    soc {
+        #address-cells = <1>;
+        #size-cells = <1>;
+        adc@50030800 {
+            compatible = "fsl,imx25-gcq";
+            reg = <0x50030800 0x60>;
+            interrupt-parent = <&tscadc>;
+            interrupts = <1>;
+            #address-cells = <1>;
+            #size-cells = <0>;
+
+            inaux@5 {
+                reg = <5>;
+                fsl,adc-refp = <MX25_ADC_REFP_INT>;
+                fsl,adc-refn = <MX25_ADC_REFN_NGND>;
+            };
+        };
+    };
+...