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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:
oneOf:
- enum:
- samsung,exynos4210-chipid
- samsung,exynos850-chipid
- items:
- enum:
- samsung,exynos5433-chipid
- samsung,exynos7-chipid
- samsung,exynos7870-chipid
- const: samsung,exynos4210-chipid
- items:
- enum:
- samsung,exynos2200-chipid
- samsung,exynos7885-chipid
- samsung,exynos8895-chipid
- samsung,exynos9810-chipid
- samsung,exynos990-chipid
- samsung,exynosautov9-chipid
- samsung,exynosautov920-chipid
- const: 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>;
};