spi: atmel,quadspi: Convert to json-schema

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

%YAML 1.2

---

$id: http://devicetree.org/schemas/spi/atmel,quadspi.yaml#

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

title: Atmel Quad Serial Peripheral Interface (QSPI)

maintainers:

  - Tudor Ambarus <tudor.ambarus@microchip.com>

allOf:

  - $ref: spi-controller.yaml#

properties:

  compatible:

    enum:

      - atmel,sama5d2-qspi

      - microchip,sam9x60-qspi

  reg:

    items:

      - description: base registers

      - description: mapped memory

  reg-names:

    items:

      - const: qspi_base

      - const: qspi_mmap

  clocks:

    minItems: 1

    items:

      - description: peripheral clock

      - description: system clock, if available

  clock-names:

    minItems: 1

    items:

      - const: pclk

      - const: qspick

  interrupts:

    maxItems: 1

  '#address-cells':

    const: 1

  '#size-cells':

    const: 0

required:

  - compatible

  - reg

  - reg-names

  - interrupts

  - clocks

  - clock-names

  - '#address-cells'

  - '#size-cells'

unevaluatedProperties: false

examples:

  - |

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

    #include <dt-bindings/clock/at91.h>

    spi@f0020000 {

        compatible = "atmel,sama5d2-qspi";

        reg = <0xf0020000 0x100>, <0xd0000000 0x8000000>;

        reg-names = "qspi_base", "qspi_mmap";

        interrupts = <52 IRQ_TYPE_LEVEL_HIGH 7>;

        clocks = <&pmc PMC_TYPE_PERIPHERAL 52>;

        clock-names = "pclk";

        #address-cells = <1>;

        #size-cells = <0>;

        pinctrl-names = "default";

        pinctrl-0 = <&pinctrl_spi0_default>;

        flash@0 {

            compatible = "jedec,spi-nor";

            spi-max-frequency = <50000000>;

            reg = <0>;

            spi-rx-bus-width = <4>;

            spi-tx-bus-width = <4>;

        };

    };

* Atmel Quad Serial Peripheral Interface (QSPI)

Required properties:

- compatible:     Should be one of the following:

		  - "atmel,sama5d2-qspi"

		  - "microchip,sam9x60-qspi"

- reg:            Should contain the locations and lengths of the base registers

                  and the mapped memory.

- reg-names:      Should contain the resource reg names:

                  - qspi_base: configuration register address space

                  - qspi_mmap: memory mapped address space

- interrupts:     Should contain the interrupt for the device.

- clocks:         Should reference the peripheral clock and the QSPI system

                  clock if available.

- clock-names:    Should contain "pclk" for the peripheral clock and "qspick"

                  for the system clock when available.

- #address-cells: Should be <1>.

- #size-cells:    Should be <0>.

Example:

spi@f0020000 {

	compatible = "atmel,sama5d2-qspi";

	reg = <0xf0020000 0x100>, <0xd0000000 0x8000000>;

	reg-names = "qspi_base", "qspi_mmap";

	interrupts = <52 IRQ_TYPE_LEVEL_HIGH 7>;

	clocks = <&pmc PMC_TYPE_PERIPHERAL 52>;

	clock-names = "pclk";

	#address-cells = <1>;

	#size-cells = <0>;

	pinctrl-names = "default";

	pinctrl-0 = <&pinctrl_spi0_default>;

	m25p80@0 {

		...

	};

};