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 enum:
15 - enum: !! 15 - samsung,exynos4210-chipid
16 - samsung,exynos4210-chipid !! 16 - samsung,exynos850-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,exynosautov9-chipid <<
27 - samsung,exynosautov920-chipid <<
28 - const: samsung,exynos850-chipid <<
29 17
30 reg: 18 reg:
31 maxItems: 1 19 maxItems: 1
32 20
33 samsung,asv-bin: 21 samsung,asv-bin:
34 description: 22 description:
35 Adaptive Supply Voltage bin selection. T 23 Adaptive Supply Voltage bin selection. This can be used
36 to determine the ASV bin of an SoC if re 24 to determine the ASV bin of an SoC if respective information
37 is missing in the CHIPID registers or in 25 is missing in the CHIPID registers or in the OTP memory.
38 $ref: /schemas/types.yaml#/definitions/uin 26 $ref: /schemas/types.yaml#/definitions/uint32
39 enum: [0, 1, 2, 3] 27 enum: [0, 1, 2, 3]
40 28
41 required: 29 required:
42 - compatible 30 - compatible
43 - reg 31 - reg
44 32
45 additionalProperties: false 33 additionalProperties: false
46 34
47 examples: 35 examples:
48 - | 36 - |
49 chipid@10000000 { 37 chipid@10000000 {
50 compatible = "samsung,exynos4210-chipi 38 compatible = "samsung,exynos4210-chipid";
51 reg = <0x10000000 0x100>; 39 reg = <0x10000000 0x100>;
52 samsung,asv-bin = <2>; 40 samsung,asv-bin = <2>;
53 }; 41 };
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