1 # SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
2 %YAML 1.2
3 ---
4 $id: http://devicetree.org/schemas/rng/samsung,exynos5250-trng.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
6
7 title: Samsung Exynos SoC True Random Number Generator
8
9 maintainers:
10 - Krzysztof Kozlowski <krzk@kernel.org>
11 - Łukasz Stelmach <l.stelmach@samsung.com>
12
13 properties:
14 compatible:
15 enum:
16 - samsung,exynos5250-trng
17 - samsung,exynos850-trng
18
19 clocks:
20 minItems: 1
21 maxItems: 2
22
23 clock-names:
24 minItems: 1
25 maxItems: 2
26
27 reg:
28 maxItems: 1
29
30 required:
31 - compatible
32 - clocks
33 - clock-names
34 - reg
35
36 allOf:
37 - if:
38 properties:
39 compatible:
40 contains:
41 const: samsung,exynos850-trng
42
43 then:
44 properties:
45 clocks:
46 items:
47 - description: SSS (Security Sub System) operating clock
48 - description: SSS (Security Sub System) bus clock
49
50 clock-names:
51 items:
52 - const: secss
53 - const: pclk
54
55 else:
56 properties:
57 clocks:
58 items:
59 - description: SSS (Security Sub System) operating clock
60
61 clock-names:
62 items:
63 - const: secss
64
65 additionalProperties: false
66
67 examples:
68 - |
69 #include <dt-bindings/clock/exynos5250.h>
70
71 rng@10830600 {
72 compatible = "samsung,exynos5250-trng";
73 reg = <0x10830600 0x100>;
74 clocks = <&clock CLK_SSS>;
75 clock-names = "secss";
76 };
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