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diff --git a/Documentation/devicetree/bindings/display/imx/fsl,imx8qxp-dc-signature.yaml b/Documentation/devicetree/bindings/display/imx/fsl,imx8qxp-dc-signature.yaml
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+++ b/Documentation/devicetree/bindings/display/imx/fsl,imx8qxp-dc-signature.yaml
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+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/display/imx/fsl,imx8qxp-dc-signature.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Freescale i.MX8qxp Display Controller Signature Unit
+
+description: |
+  In order to control the correctness of display output, signature values can
+  be computed for each frame and compared against reference values. In case of
+  a mismatch (signature violation) a HW event can be triggered, for example a
+  SW interrupt.
+
+  This unit supports signature computation, reference check, evaluation windows,
+  alpha masking and panic modes.
+
+maintainers:
+  - Liu Ying <victor.liu@nxp.com>
+
+properties:
+  compatible:
+    const: fsl,imx8qxp-dc-signature
+
+  reg:
+    maxItems: 1
+
+  interrupts:
+    maxItems: 3
+
+  interrupt-names:
+    items:
+      - const: shdload
+      - const: valid
+      - const: error
+
+required:
+  - compatible
+  - reg
+  - interrupts
+  - interrupt-names
+
+additionalProperties: false
+
+examples:
+  - |
+    signature@5618d000 {
+        compatible = "fsl,imx8qxp-dc-signature";
+        reg = <0x5618d000 0x140>;
+        interrupt-parent = <&dc0_intc>;
+        interrupts = <22>, <23>, <24>;
+        interrupt-names = "shdload", "valid", "error";
+    };