fsl,ddr.yaml

  1# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
  2%YAML 1.2
  3---
  4$id: http://devicetree.org/schemas/memory-controllers/fsl/fsl,ddr.yaml#
  5$schema: http://devicetree.org/meta-schemas/core.yaml#
  6
  7title: Freescale DDR memory controller
  8
  9maintainers:
 10  - Borislav Petkov <bp@alien8.de>
 11  - York Sun <york.sun@nxp.com>
 12
 13properties:
 14  $nodename:
 15    pattern: "^memory-controller@[0-9a-f]+$"
 16
 17  compatible:
 18    oneOf:
 19      - items:
 20          - enum:
 21              - fsl,qoriq-memory-controller-v4.4
 22              - fsl,qoriq-memory-controller-v4.5
 23              - fsl,qoriq-memory-controller-v4.7
 24              - fsl,qoriq-memory-controller-v5.0
 25          - const: fsl,qoriq-memory-controller
 26      - enum:
 27          - fsl,bsc9132-memory-controller
 28          - fsl,mpc8536-memory-controller
 29          - fsl,mpc8540-memory-controller
 30          - fsl,mpc8541-memory-controller
 31          - fsl,mpc8544-memory-controller
 32          - fsl,mpc8548-memory-controller
 33          - fsl,mpc8555-memory-controller
 34          - fsl,mpc8560-memory-controller
 35          - fsl,mpc8568-memory-controller
 36          - fsl,mpc8569-memory-controller
 37          - fsl,mpc8572-memory-controller
 38          - fsl,mpc8349-memory-controller
 39          - fsl,p1020-memory-controller
 40          - fsl,p1021-memory-controller
 41          - fsl,p2020-memory-controller
 42          - fsl,qoriq-memory-controller
 43          - nxp,imx9-memory-controller
 44
 45  interrupts:
 46    maxItems: 1
 47
 48  little-endian:
 49    description:
 50      Specifies little-endian access to registers. If omitted, big-endian will
 51      be used.
 52    type: boolean
 53
 54  reg:
 55    items:
 56      - description: Controller register space
 57      - description: Inject register space
 58    minItems: 1
 59
 60  reg-names:
 61    items:
 62      - const: ctrl
 63      - const: inject
 64    minItems: 1
 65
 66required:
 67  - compatible
 68  - interrupts
 69  - reg
 70
 71allOf:
 72  - if:
 73      properties:
 74        compatible:
 75          contains:
 76            enum:
 77              - nxp,imx9-memory-controller
 78    then:
 79      properties:
 80        reg:
 81          minItems: 2
 82        reg-names:
 83          minItems: 2
 84    else:
 85      properties:
 86        reg:
 87          maxItems: 1
 88        reg-names: false
 89
 90additionalProperties: false
 91
 92examples:
 93  - |
 94    memory-controller@2000 {
 95        compatible = "fsl,bsc9132-memory-controller";
 96        reg = <0x2000 0x1000>;
 97        interrupts = <16 2 1 8>;
 98    };
 99
100  - |
101    memory-controller@8000 {
102        compatible = "fsl,qoriq-memory-controller-v4.7",
103                     "fsl,qoriq-memory-controller";
104        reg = <0x8000 0x1000>;
105        interrupts = <16 2 1 23>;
106    };