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     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 ...
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