xref: /freebsd/sys/contrib/device-tree/Bindings/mailbox/sprd-mailbox.yaml (revision e6bfd18d21b225af6a0ed67ceeaf1293b7b9eba5) 
1# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
2%YAML 1.2
3---
4$id: "http://devicetree.org/schemas/mailbox/sprd-mailbox.yaml#"
5$schema: "http://devicetree.org/meta-schemas/core.yaml#"
6
7title: Spreadtrum mailbox controller bindings
8
9maintainers:
10  - Orson Zhai <orsonzhai@gmail.com>
11  - Baolin Wang <baolin.wang7@gmail.com>
12  - Chunyan Zhang <zhang.lyra@gmail.com>
13
14properties:
15  compatible:
16    enum:
17      - sprd,sc9860-mailbox
18      - sprd,sc9863a-mailbox
19
20  reg:
21    items:
22      - description: inbox registers' base address
23      - description: outbox registers' base address
24
25  interrupts:
26    minItems: 2
27    maxItems: 3
28
29  interrupt-names:
30    minItems: 2
31    items:
32      - const: inbox
33      - const: outbox
34      - const: supp-outbox
35
36  clocks:
37    maxItems: 1
38
39  clock-names:
40    items:
41      - const: enable
42
43  "#mbox-cells":
44    const: 1
45
46required:
47  - compatible
48  - reg
49  - interrupts
50  - interrupt-names
51  - "#mbox-cells"
52  - clocks
53  - clock-names
54
55additionalProperties: false
56
57examples:
58  - |
59    #include <dt-bindings/interrupt-controller/arm-gic.h>
60    mailbox: mailbox@400a0000 {
61      compatible = "sprd,sc9860-mailbox";
62      reg = <0x400a0000 0x8000>, <0x400a8000 0x8000>;
63      #mbox-cells = <1>;
64      clock-names = "enable";
65      clocks = <&aon_gate 53>;
66      interrupts = <GIC_SPI 28 IRQ_TYPE_LEVEL_HIGH>, <GIC_SPI 29 IRQ_TYPE_LEVEL_HIGH>;
67      interrupt-names = "inbox", "outbox";
68    };
69...
70