timeriomem_rng.yaml

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    1 # SPDX-License-Identifier: GPL-2.0-only
    2 %YAML 1.2
    3 ---
    4 $id: http://devicetree.org/schemas/rng/timeriomem_rng.yaml#
    5 $schema: http://devicetree.org/meta-schemas/core.yaml#
    6 
    7 title: TimerIO Random Number Generator
    8 
    9 maintainers:
   10   - Krzysztof Kozlowski <krzk@kernel.org>
   11 
   12 properties:
   13   compatible:
   14     const: timeriomem_rng
   15 
   16   period:
   17     $ref: /schemas/types.yaml#/definitions/uint32
   18     description: wait time in microseconds to use between samples
   19 
   20   quality:
   21     $ref: /schemas/types.yaml#/definitions/uint32
   22     default: 0
   23     description:
   24       Estimated number of bits of true entropy per 1024 bits read from the rng.
   25       Defaults to zero which causes the kernel's default quality to be used
   26       instead.  Note that the default quality is usually zero which disables
   27       using this rng to automatically fill the kernel's entropy pool.
   28 
   29   reg:
   30     maxItems: 1
   31     description:
   32       Base address to sample from. Currently 'reg' must be at least four bytes
   33       wide and 32-bit aligned.
   34 
   35 required:
   36   - compatible
   37   - period
   38   - reg
   39 
   40 additionalProperties: false
   41 
   42 examples:
   43   - |
   44     rng@44 {
   45         compatible = "timeriomem_rng";
   46         reg = <0x44 0x04>;
   47         period = <1000000>;
   48     };

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FreeBSD/Linux Kernel Cross Reference sys/contrib/device-tree/Bindings/rng/timeriomem_rng.yaml

FreeBSD/Linux Kernel Cross Reference
sys/contrib/device-tree/Bindings/rng/timeriomem_rng.yaml