xref: /freebsd/sys/contrib/device-tree/Bindings/memory-controllers/calxeda-ddr-ctrlr.yaml (revision 8bab661a3316d8bd9b9fbd11a3b4371b91507bd2)

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

title: Calxeda DDR memory controller

description: |
  The Calxeda DDR memory controller is initialised and programmed by the
  firmware, but an OS might want to read its registers for error reporting
  purposes and to learn about the DRAM topology.

maintainers:
  - Andre Przywara <andre.przywara@arm.com>

properties:
  compatible:
    enum:
      - calxeda,hb-ddr-ctrl
      - calxeda,ecx-2000-ddr-ctrl

  reg:
    maxItems: 1

  interrupts:
    maxItems: 1

required:
  - compatible
  - reg
  - interrupts

additionalProperties: false

examples:
  - |
    memory-controller@fff00000 {
        compatible = "calxeda,hb-ddr-ctrl";
        reg = <0xfff00000 0x1000>;
        interrupts = <0 91 4>;
    };