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