Squashed 'dts/upstream/' content from commit aaba2d45dc2a
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diff --git a/Bindings/hwinfo/samsung,exynos-chipid.yaml b/Bindings/hwinfo/samsung,exynos-chipid.yaml
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+++ b/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>;
+ };