Documentation/devicetree/bindings/rng/ti,keystone-rng.yaml

   1 # SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause
   2 %YAML 1.2
   3 ---
   4 $id: http://devicetree.org/schemas/rng/ti,keystone-rng.yaml#
   5 $schema: http://devicetree.org/meta-schemas/core.yaml#
   6
   7 title: Keystone SoC Hardware Random Number Generator
   8
   9 maintainers:
  10   - Nishanth Menon <nm@ti.com>
  11   - Santosh Shilimkar <ssantosh@kernel.org>
  12
  13 properties:
  14   compatible:
  15     const: ti,keystone-rng
  16
  17   clocks:
  18     maxItems: 1
  19
  20   clock-names:
  21     items:
  22       - const: fck
  23
  24   reg:
  25     maxItems: 1
  26
  27   ti,syscon-sa-cfg:
  28     $ref: /schemas/types.yaml#/definitions/phandle
  29     description: |
  30       Phandle to syscon node of the SA configuration registers.  These
  31       registers are shared between HWRNG and crypto drivers.
  32
  33 required:
  34   - compatible
  35   - clocks
  36   - clock-names
  37   - reg
  38   - ti,syscon-sa-cfg
  39
  40 additionalProperties: false
  41
  42 examples:
  43   - |
  44     rng@24000 {
  45         compatible = "ti,keystone-rng";
  46         ti,syscon-sa-cfg = <&sa_config>;
  47         clocks = <&clksa>;
  48         clock-names = "fck";
  49         reg = <0x24000 0x1000>;
  50     };