xref: /linux/Documentation/devicetree/bindings/crypto/qcom,prng.yaml (revision ab475966455ce285c2c9978a3e3bfe97d75ff8d4) 
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,sa8775p-trng
21              - qcom,sc7280-trng
22              - qcom,sm8450-trng
23              - qcom,sm8550-trng
24          - const: qcom,trng
25
26  reg:
27    maxItems: 1
28
29  clocks:
30    maxItems: 1
31
32  clock-names:
33    items:
34      - const: core
35
36required:
37  - compatible
38  - reg
39
40allOf:
41  - if:
42      not:
43        properties:
44          compatible:
45            contains:
46              const: qcom,trng
47    then:
48      required:
49        - clocks
50        - clock-names
51
52additionalProperties: false
53
54examples:
55  - |
56    rng@f9bff000 {
57        compatible = "qcom,prng";
58        reg = <0xf9bff000 0x200>;
59        clocks = <&clk 125>;
60        clock-names = "core";
61    };
62