Documentation/devicetree/bindings/rng/omap_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/omap_rng.yaml#
   5 $schema: http://devicetree.org/meta-schemas/core.yaml#
   6
   7 title: OMAP SoC and Inside-Secure HWRNG Module
   8
   9 maintainers:
  10   - Jayesh Choudhary <j-choudhary@ti.com>
  11
  12 properties:
  13   compatible:
  14     enum:
  15       - ti,omap2-rng
  16       - ti,omap4-rng
  17       - inside-secure,safexcel-eip76
  18
  19   ti,hwmods:
  20     const: rng
  21     deprecated: true
  22     description: Name of the hwmod associated with the RNG module
  23
  24   reg:
  25     maxItems: 1
  26
  27   interrupts:
  28     maxItems: 1
  29
  30   clocks:
  31     minItems: 1
  32     items:
  33       - description: EIP150 gateable clock
  34       - description: Main gateable clock
  35
  36   clock-names:
  37     minItems: 1
  38     items:
  39       - const: core
  40       - const: reg
  41
  42
  43 allOf:
  44   - if:
  45       properties:
  46         compatible:
  47           contains:
  48             enum:
  49               - ti,omap4-rng
  50               - inside-secure,safexcel-eip76
  51
  52     then:
  53       required:
  54         - interrupts
  55
  56
  57 required:
  58   - compatible
  59   - reg
  60
  61 additionalProperties: false
  62
  63 examples:
  64   - |
  65     /* AM335x */
  66     rng: rng@48310000 {
  67             compatible = "ti,omap4-rng";
  68             ti,hwmods = "rng";
  69             reg = <0x48310000 0x2000>;
  70             interrupts = <111>;
  71     };
  72   - |
  73     /* SafeXcel IP-76 */
  74     trng: rng@f2760000 {
  75             compatible = "inside-secure,safexcel-eip76";
  76             reg = <0xf2760000 0x7d>;
  77             interrupts = <0 59 4>;
  78             clocks = <&cpm_syscon0 1 25>;
  79     };
  80
  81 ...