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diff --git a/Documentation/devicetree/bindings/hwinfo/samsung,exynos-chipid.yaml b/Documentation/devicetree/bindings/hwinfo/samsung,exynos-chipid.yaml
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+++ b/Documentation/devicetree/bindings/hwinfo/samsung,exynos-chipid.yaml
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+# SPDX-License-Identifier: GPL-2.0
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/hwinfo/samsung,exynos-chipid.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Samsung Exynos SoC series Chipid driver
+
+maintainers:
+  - Krzysztof Kozlowski <krzk@kernel.org>
+
+properties:
+  compatible:
+    enum:
+      - samsung,exynos4210-chipid
+      - samsung,exynos850-chipid
+
+  reg:
+    maxItems: 1
+
+  samsung,asv-bin:
+    description:
+      Adaptive Supply Voltage bin selection. This can be used
+      to determine the ASV bin of an SoC if respective information
+      is missing in the CHIPID registers or in the OTP memory.
+    $ref: /schemas/types.yaml#/definitions/uint32
+    enum: [0, 1, 2, 3]
+
+required:
+  - compatible
+  - reg
+
+additionalProperties: false
+
+examples:
+  - |
+    chipid@10000000 {
+        compatible = "samsung,exynos4210-chipid";
+        reg = <0x10000000 0x100>;
+        samsung,asv-bin = <2>;
+    };