xref: /freebsd-src/sys/contrib/device-tree/Bindings/memory-controllers/calxeda-ddr-ctrlr.yaml (revision 8bab661a3316d8bd9b9fbd11a3b4371b91507bd2)
1# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
2%YAML 1.2
3---
4$id: http://devicetree.org/schemas/memory-controllers/calxeda-ddr-ctrlr.yaml#
5$schema: http://devicetree.org/meta-schemas/core.yaml#
6
7title: Calxeda DDR memory controller
8
9description: |
10  The Calxeda DDR memory controller is initialised and programmed by the
11  firmware, but an OS might want to read its registers for error reporting
12  purposes and to learn about the DRAM topology.
13
14maintainers:
15  - Andre Przywara <andre.przywara@arm.com>
16
17properties:
18  compatible:
19    enum:
20      - calxeda,hb-ddr-ctrl
21      - calxeda,ecx-2000-ddr-ctrl
22
23  reg:
24    maxItems: 1
25
26  interrupts:
27    maxItems: 1
28
29required:
30  - compatible
31  - reg
32  - interrupts
33
34additionalProperties: false
35
36examples:
37  - |
38    memory-controller@fff00000 {
39        compatible = "calxeda,hb-ddr-ctrl";
40        reg = <0xfff00000 0x1000>;
41        interrupts = <0 91 4>;
42    };
43