xref: /freebsd/sys/contrib/device-tree/Bindings/mailbox/microchip,mpfs-mailbox.yaml (revision 535af610a4fdace6d50960c0ad9be0597eea7a1b) 
1# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
2%YAML 1.2
3---
4$id: http://devicetree.org/schemas/mailbox/microchip,mpfs-mailbox.yaml#
5$schema: http://devicetree.org/meta-schemas/core.yaml#
6
7title: Microchip PolarFire SoC (MPFS) MSS (microprocessor subsystem) mailbox controller
8
9maintainers:
10  - Conor Dooley <conor.dooley@microchip.com>
11
12properties:
13  compatible:
14    const: microchip,mpfs-mailbox
15
16  reg:
17    oneOf:
18      - items:
19          - description: mailbox control & data registers
20          - description: mailbox interrupt registers
21        deprecated: true
22      - items:
23          - description: mailbox control registers
24          - description: mailbox interrupt registers
25          - description: mailbox data registers
26
27  interrupts:
28    maxItems: 1
29
30  "#mbox-cells":
31    const: 1
32
33required:
34  - compatible
35  - reg
36  - interrupts
37  - "#mbox-cells"
38
39additionalProperties: false
40
41examples:
42  - |
43    soc {
44      #address-cells = <2>;
45      #size-cells = <2>;
46      mbox: mailbox@37020000 {
47        compatible = "microchip,mpfs-mailbox";
48        reg = <0x0 0x37020000 0x0 0x58>, <0x0 0x2000318C 0x0 0x40>,
49              <0x0 0x37020800 0x0 0x100>;
50        interrupt-parent = <&L1>;
51        interrupts = <96>;
52        #mbox-cells = <1>;
53      };
54    };
55