xref: /linux/Documentation/devicetree/bindings/memory-controllers/fsl/fsl,ddr.yaml (revision c771600c6af14749609b49565ffb4cac2959710d)

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

title: Freescale DDR memory controller

maintainers:
  - Borislav Petkov <bp@alien8.de>
  - York Sun <york.sun@nxp.com>

properties:
  $nodename:
    pattern: "^memory-controller@[0-9a-f]+$"

  compatible:
    oneOf:
      - items:
          - enum:
              - fsl,qoriq-memory-controller-v4.4
              - fsl,qoriq-memory-controller-v4.5
              - fsl,qoriq-memory-controller-v4.7
              - fsl,qoriq-memory-controller-v5.0
          - const: fsl,qoriq-memory-controller
      - enum:
          - fsl,bsc9132-memory-controller
          - fsl,mpc8536-memory-controller
          - fsl,mpc8540-memory-controller
          - fsl,mpc8541-memory-controller
          - fsl,mpc8544-memory-controller
          - fsl,mpc8548-memory-controller
          - fsl,mpc8555-memory-controller
          - fsl,mpc8560-memory-controller
          - fsl,mpc8568-memory-controller
          - fsl,mpc8569-memory-controller
          - fsl,mpc8572-memory-controller
          - fsl,mpc8349-memory-controller
          - fsl,p1020-memory-controller
          - fsl,p1021-memory-controller
          - fsl,p2020-memory-controller
          - fsl,qoriq-memory-controller
          - nxp,imx9-memory-controller

  interrupts:
    maxItems: 1

  little-endian:
    description:
      Specifies little-endian access to registers. If omitted, big-endian will
      be used.
    type: boolean

  reg:
    items:
      - description: Controller register space
      - description: Inject register space
    minItems: 1

  reg-names:
    items:
      - const: ctrl
      - const: inject
    minItems: 1

required:
  - compatible
  - interrupts
  - reg

allOf:
  - if:
      properties:
        compatible:
          contains:
            enum:
              - nxp,imx9-memory-controller
    then:
      properties:
        reg:
          minItems: 2
        reg-names:
          minItems: 2
    else:
      properties:
        reg:
          maxItems: 1
        reg-names: false

additionalProperties: false

examples:
  - |
    memory-controller@2000 {
        compatible = "fsl,bsc9132-memory-controller";
        reg = <0x2000 0x1000>;
        interrupts = <16 2 1 8>;
    };

  - |
    memory-controller@8000 {
        compatible = "fsl,qoriq-memory-controller-v4.7",
                     "fsl,qoriq-memory-controller";
        reg = <0x8000 0x1000>;
        interrupts = <16 2 1 23>;
    };