xref: /linux/Documentation/devicetree/bindings/crypto/qcom,prng.yaml (revision a619fe35ab41fded440d3762d4fbad84ff86a4d4) 
1# SPDX-License-Identifier: GPL-2.0-only
2%YAML 1.2
3---
4$id: http://devicetree.org/schemas/crypto/qcom,prng.yaml#
5$schema: http://devicetree.org/meta-schemas/core.yaml#
6
7title: Qualcomm Pseudo Random Number Generator
8
9maintainers:
10  - Vinod Koul <vkoul@kernel.org>
11
12properties:
13  compatible:
14    oneOf:
15      - enum:
16          - qcom,prng  # 8916 etc.
17          - qcom,prng-ee  # 8996 and later using EE
18      - items:
19          - enum:
20              - qcom,ipq5332-trng
21              - qcom,ipq5424-trng
22              - qcom,ipq9574-trng
23              - qcom,kaanapali-trng
24              - qcom,qcs615-trng
25              - qcom,qcs8300-trng
26              - qcom,sa8255p-trng
27              - qcom,sa8775p-trng
28              - qcom,sc7280-trng
29              - qcom,sm8450-trng
30              - qcom,sm8550-trng
31              - qcom,sm8650-trng
32              - qcom,sm8750-trng
33          - const: qcom,trng
34
35  reg:
36    maxItems: 1
37
38  clocks:
39    maxItems: 1
40
41  clock-names:
42    items:
43      - const: core
44
45required:
46  - compatible
47  - reg
48
49allOf:
50  - if:
51      not:
52        properties:
53          compatible:
54            contains:
55              const: qcom,trng
56    then:
57      required:
58        - clocks
59        - clock-names
60
61additionalProperties: false
62
63examples:
64  - |
65    rng@f9bff000 {
66        compatible = "qcom,prng";
67        reg = <0xf9bff000 0x200>;
68        clocks = <&clk 125>;
69        clock-names = "core";
70    };
71