1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
2 %YAML 1.2
3 ---
4 $id: http://devicetree.org/schemas/rng/rockchip,rk3568-rng.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
6
7 title: Rockchip RK3568 TRNG
8
9 description: True Random Number Generator on Rockchip RK3568 SoC
10
11 maintainers:
12 - Aurelien Jarno <aurelien@aurel32.net>
13 - Daniel Golle <daniel@makrotopia.org>
14
15 properties:
16 compatible:
17 enum:
18 - rockchip,rk3568-rng
19
20 reg:
21 maxItems: 1
22
23 clocks:
24 items:
25 - description: TRNG clock
26 - description: TRNG AHB clock
27
28 clock-names:
29 items:
30 - const: core
31 - const: ahb
32
33 resets:
34 maxItems: 1
35
36 required:
37 - compatible
38 - reg
39 - clocks
40 - clock-names
41 - resets
42
43 additionalProperties: false
44
45 examples:
46 - |
47 #include <dt-bindings/clock/rk3568-cru.h>
48 bus {
49 #address-cells = <2>;
50 #size-cells = <2>;
51
52 rng@fe388000 {
53 compatible = "rockchip,rk3568-rng";
54 reg = <0x0 0xfe388000 0x0 0x4000>;
55 clocks = <&cru CLK_TRNG_NS>, <&cru HCLK_TRNG_NS>;
56 clock-names = "core", "ahb";
57 resets = <&cru SRST_TRNG_NS>;
58 };
59 };
60
61 ...
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