xref: /linux/Documentation/devicetree/bindings/crypto/qcom,prng.yaml (revision fc2d791a43d3880496d1c729b8bd74d2c19cb4e7) 
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,glymur-trng
21              - qcom,ipq5332-trng
22              - qcom,ipq5424-trng
23              - qcom,ipq9574-trng
24              - qcom,kaanapali-trng
25              - qcom,milos-trng
26              - qcom,nord-trng
27              - qcom,qcs615-trng
28              - qcom,qcs8300-trng
29              - qcom,sa8255p-trng
30              - qcom,sa8775p-trng
31              - qcom,sc7280-trng
32              - qcom,sm8450-trng
33              - qcom,sm8550-trng
34              - qcom,sm8650-trng
35              - qcom,sm8750-trng
36              - qcom,x1e80100-trng
37          - const: qcom,trng
38
39  reg:
40    maxItems: 1
41
42  clocks:
43    maxItems: 1
44
45  clock-names:
46    items:
47      - const: core
48
49required:
50  - compatible
51  - reg
52
53allOf:
54  - if:
55      not:
56        properties:
57          compatible:
58            contains:
59              const: qcom,trng
60    then:
61      required:
62        - clocks
63        - clock-names
64
65additionalProperties: false
66
67examples:
68  - |
69    rng@f9bff000 {
70        compatible = "qcom,prng";
71        reg = <0xf9bff000 0x200>;
72        clocks = <&clk 125>;
73        clock-names = "core";
74    };
75