xref: /linux/Documentation/devicetree/bindings/crypto/qcom,prng.yaml (revision 1fd1dc41724319406b0aff221a352a400b0ddfc5) 
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,milos-trng
25              - qcom,qcs615-trng
26              - qcom,qcs8300-trng
27              - qcom,sa8255p-trng
28              - qcom,sa8775p-trng
29              - qcom,sc7280-trng
30              - qcom,sm8450-trng
31              - qcom,sm8550-trng
32              - qcom,sm8650-trng
33              - qcom,sm8750-trng
34              - qcom,x1e80100-trng
35          - const: qcom,trng
36
37  reg:
38    maxItems: 1
39
40  clocks:
41    maxItems: 1
42
43  clock-names:
44    items:
45      - const: core
46
47required:
48  - compatible
49  - reg
50
51allOf:
52  - if:
53      not:
54        properties:
55          compatible:
56            contains:
57              const: qcom,trng
58    then:
59      required:
60        - clocks
61        - clock-names
62
63additionalProperties: false
64
65examples:
66  - |
67    rng@f9bff000 {
68        compatible = "qcom,prng";
69        reg = <0xf9bff000 0x200>;
70        clocks = <&clk 125>;
71        clock-names = "core";
72    };
73