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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/atmel,at91-trng.yaml#
    5 $schema: http://devicetree.org/meta-schemas/core.yaml#
    6 
    7 title: Atmel AT91 True Random Number Generator
    8 
    9 maintainers:
   10   - Nicolas Ferre <nicolas.ferre@microchip.com>
   11   - Alexandre Belloni <alexandre.belloni@bootlin.com>
   12   - Claudiu Beznea <claudiu.beznea@microchip.com>
   13 
   14 properties:
   15   compatible:
   16     oneOf:
   17       - enum:
   18           - atmel,at91sam9g45-trng
   19           - microchip,sam9x60-trng
   20       - items:
   21           - enum:
   22               - microchip,sama7g5-trng
   23           - const: atmel,at91sam9g45-trng
   24 
   25   clocks:
   26     maxItems: 1
   27 
   28   interrupts:
   29     maxItems: 1
   30 
   31   reg:
   32     maxItems: 1
   33 
   34 required:
   35   - compatible
   36   - clocks
   37   - interrupts
   38   - reg
   39 
   40 additionalProperties: false
   41 
   42 examples:
   43   - |
   44     #include <dt-bindings/interrupt-controller/irq.h>
   45 
   46     rng@fffcc000 {
   47         compatible = "atmel,at91sam9g45-trng";
   48         reg = <0xfffcc000 0x4000>;
   49         interrupts = <6 IRQ_TYPE_LEVEL_HIGH 0>;
   50         clocks = <&trng_clk>;
   51     };
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