xref: /linux/Documentation/devicetree/bindings/spi/marvell,orion-spi.yaml (revision 0262163136de813894cb172aa8ccf762b92e5fd7)

# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
%YAML 1.2
---
$id: http://devicetree.org/schemas/spi/marvell,orion-spi.yaml#
$schema: http://devicetree.org/meta-schemas/core.yaml#

title: Marvell Orion SPI controller

maintainers:
  - Andrew Lunn <andrew@lunn.ch>
  - Gregory CLEMENT <gregory.clement@bootlin.com>

allOf:
  - $ref: /schemas/spi/spi-controller.yaml#

properties:
  compatible:
    oneOf:
      - enum:
          - marvell,orion-spi
          - marvell,armada-380-spi  # For ap80x and cp11x
      - items:
          - enum:
              - marvell,armada-370-spi
              - marvell,armada-375-spi
              - marvell,armada-380-spi
              - marvell,armada-390-spi
              - marvell,armada-xp-spi
          - const: marvell,orion-spi

  cell-index:
    description: Instance id for the SPI controller
    deprecated: true

  reg:
    minItems: 1
    items:
      - description: control registers
      - description: CS0 MBUS target/attribute registers for direct mode
      - description: CS1 MBUS target/attribute registers for direct mode
      - description: CS2 MBUS target/attribute registers for direct mode
      - description: CS3 MBUS target/attribute registers for direct mode
      - description: CS4 MBUS target/attribute registers for direct mode
      - description: CS5 MBUS target/attribute registers for direct mode
      - description: CS6 MBUS target/attribute registers for direct mode
      - description: CS7 MBUS target/attribute registers for direct mode

  clocks:
    minItems: 1
    maxItems: 2

  clock-names:
    items:
      - const: core
      - const: axi

  interrupts:
    maxItems: 1

required:
  - compatible
  - reg
  - clocks

unevaluatedProperties: false

examples:
  - |
    spi@10600 {
      compatible = "marvell,orion-spi";
      #address-cells = <1>;
      #size-cells = <0>;
      cell-index = <0>;
      reg = <0x10600 0x28>;
      clocks = <&coreclk 0>;
      interrupts = <23>;
    };
  - |
    #define MBUS_ID(target,attributes) (((target) << 24) | ((attributes) << 16))

    bus {
        #address-cells = <2>;
        #size-cells = <1>;

        spi@10600 {
          compatible = "marvell,orion-spi";
          #address-cells = <1>;
          #size-cells = <0>;
          cell-index = <0>;
          reg = <MBUS_ID(0xf0, 0x01) 0x10600 0x28>, /* control */
                <MBUS_ID(0x01, 0x1e) 0 0xffffffff>, /* CS0 */
                <MBUS_ID(0x01, 0x5e) 0 0xffffffff>, /* CS1 */
                <MBUS_ID(0x01, 0x9e) 0 0xffffffff>, /* CS2 */
                <MBUS_ID(0x01, 0xde) 0 0xffffffff>, /* CS3 */
                <MBUS_ID(0x01, 0x1f) 0 0xffffffff>, /* CS4 */
                <MBUS_ID(0x01, 0x5f) 0 0xffffffff>, /* CS5 */
                <MBUS_ID(0x01, 0x9f) 0 0xffffffff>, /* CS6 */
                <MBUS_ID(0x01, 0xdf) 0 0xffffffff>; /* CS7 */
          clocks = <&coreclk 0>;
          interrupts = <23>;
        };
    };