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 gatable clock
  34       - description: Main gatable 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   - if:
  57       properties:
  58         compatible:
  59           contains:
  60             enum:
  61               - inside-secure,safexcel-eip76
  62
  63     then:
  64       required:
  65         - clocks
  66
  67
  68 required:
  69   - compatible
  70   - reg
  71
  72 additionalProperties: false
  73
  74 examples:
  75   - |
  76     /* AM335x */
  77     rng: rng@48310000 {
  78             compatible = "ti,omap4-rng";
  79             ti,hwmods = "rng";
  80             reg = <0x48310000 0x2000>;
  81             interrupts = <111>;
  82     };
  83   - |
  84     /* SafeXcel IP-76 */
  85     trng: rng@f2760000 {
  86             compatible = "inside-secure,safexcel-eip76";
  87             reg = <0xf2760000 0x7d>;
  88             interrupts = <0 59 4>;
  89             clocks = <&cpm_syscon0 1 25>;
  90     };
  91
  92 ...