dt-bindings: crypto: Add DT bindings documentation for sun8i-ce Crypto Engine

# SPDX-License-Identifier: GPL-2.0

%YAML 1.2

---

$id: http://devicetree.org/schemas/crypto/allwinner,sun8i-ce.yaml#

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

title: Allwinner Crypto Engine driver

maintainers:

  - Corentin Labbe <clabbe.montjoie@gmail.com>

properties:

  compatible:

    enum:

      - allwinner,sun8i-h3-crypto

      - allwinner,sun8i-r40-crypto

      - allwinner,sun50i-a64-crypto

      - allwinner,sun50i-h5-crypto

      - allwinner,sun50i-h6-crypto

  reg:

    maxItems: 1

  interrupts:

    maxItems: 1

  clocks:

    items:

      - description: Bus clock

      - description: Module clock

      - description: MBus clock

    minItems: 2

    maxItems: 3

  clock-names:

    items:

      - const: bus

      - const: mod

      - const: ram

    minItems: 2

    maxItems: 3

  resets:

    maxItems: 1

if:

  properties:

    compatible:

      items:

        const: allwinner,sun50i-h6-crypto

then:

  properties:

      clocks:

        minItems: 3

      clock-names:

        minItems: 3

else:

  properties:

      clocks:

        maxItems: 2

      clock-names:

        maxItems: 2

required:

  - compatible

  - reg

  - interrupts

  - clocks

  - clock-names

  - resets

additionalProperties: false

examples:

  - |

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

    #include <dt-bindings/clock/sun50i-a64-ccu.h>

    #include <dt-bindings/reset/sun50i-a64-ccu.h>

    crypto: crypto@1c15000 {

      compatible = "allwinner,sun8i-h3-crypto";

      reg = <0x01c15000 0x1000>;

      interrupts = <GIC_SPI 94 IRQ_TYPE_LEVEL_HIGH>;

      clocks = <&ccu CLK_BUS_CE>, <&ccu CLK_CE>;

      clock-names = "bus", "mod";

      resets = <&ccu RST_BUS_CE>;

    };