xref: /linux/Documentation/devicetree/bindings/hwinfo/samsung,exynos-chipid.yaml (revision 7f71507851fc7764b36a3221839607d3a45c2025) 
1# SPDX-License-Identifier: GPL-2.0
2%YAML 1.2
3---
4$id: http://devicetree.org/schemas/hwinfo/samsung,exynos-chipid.yaml#
5$schema: http://devicetree.org/meta-schemas/core.yaml#
6
7title: Samsung Exynos SoC series Chipid driver
8
9maintainers:
10  - Krzysztof Kozlowski <krzk@kernel.org>
11
12properties:
13  compatible:
14    oneOf:
15      - enum:
16          - samsung,exynos4210-chipid
17          - samsung,exynos850-chipid
18      - items:
19          - enum:
20              - samsung,exynos5433-chipid
21              - samsung,exynos7-chipid
22          - const: samsung,exynos4210-chipid
23      - items:
24          - enum:
25              - samsung,exynos7885-chipid
26              - samsung,exynos8895-chipid
27              - samsung,exynos9810-chipid
28              - samsung,exynos990-chipid
29              - samsung,exynosautov9-chipid
30              - samsung,exynosautov920-chipid
31          - const: samsung,exynos850-chipid
32
33  reg:
34    maxItems: 1
35
36  samsung,asv-bin:
37    description:
38      Adaptive Supply Voltage bin selection. This can be used
39      to determine the ASV bin of an SoC if respective information
40      is missing in the CHIPID registers or in the OTP memory.
41    $ref: /schemas/types.yaml#/definitions/uint32
42    enum: [0, 1, 2, 3]
43
44required:
45  - compatible
46  - reg
47
48additionalProperties: false
49
50examples:
51  - |
52    chipid@10000000 {
53        compatible = "samsung,exynos4210-chipid";
54        reg = <0x10000000 0x100>;
55        samsung,asv-bin = <2>;
56    };
57