dt-bindings: rng: apm,x-gene-rng: convert APM RNG to dtschema

APM X-Gene SoC random number generator.

Required properties:

- compatible  : should be "apm,xgene-rng"

- reg         : specifies base physical address and size of the registers map

- clocks      : phandle to clock-controller plus clock-specifier pair

- interrupts  : specify the fault interrupt for the RNG device

Example:

	rng: rng@10520000 {

		compatible = "apm,xgene-rng";

		reg = <0x0 0x10520000 0x0 0x100>;

		interrupts =   <0x0 0x41 0x4>;

		clocks = <&rngpkaclk 0>;

	};

# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause

%YAML 1.2

---

$id: http://devicetree.org/schemas/rng/apm,x-gene-rng.yaml#

$schema: http://devicetree.org/meta-schemas/core.yaml#

title: APM X-Gene SoC Random Number Generator

maintainers:

  - Khuong Dinh <khuong@os.amperecomputing.com>

properties:

  compatible:

    const: apm,xgene-rng

  clocks:

    maxItems: 1

  interrupts:

    maxItems: 1

  reg:

    maxItems: 1

required:

  - compatible

  - clocks

  - interrupts

  - reg

additionalProperties: false

examples:

  - |

    #include <dt-bindings/interrupt-controller/arm-gic.h>

    soc {

        #address-cells = <2>;

        #size-cells = <2>;

        rng@10520000 {

            compatible = "apm,xgene-rng";

            reg = <0x0 0x10520000 0x0 0x100>;

            interrupts = <GIC_SPI 65 IRQ_TYPE_LEVEL_HIGH>;

            clocks = <&rngpkaclk 0>;

        };

    };