xref: /linux/Documentation/devicetree/bindings/mailbox/sprd-mailbox.yaml (revision e5a52fd2b8cdb700b3c07b030e050a49ef3156b9) 
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
19  reg:
20    items:
21      - description: inbox registers' base address
22      - description: outbox registers' base address
23
24  interrupts:
25    items:
26      - description: inbox interrupt
27      - description: outbox interrupt
28
29  clocks:
30    maxItems: 1
31
32  clock-names:
33    items:
34      - const: enable
35
36  "#mbox-cells":
37    const: 1
38
39required:
40  - compatible
41  - reg
42  - interrupts
43  - "#mbox-cells"
44  - clocks
45  - clock-names
46
47additionalProperties: false
48
49examples:
50  - |
51    #include <dt-bindings/interrupt-controller/arm-gic.h>
52    mailbox: mailbox@400a0000 {
53      compatible = "sprd,sc9860-mailbox";
54      reg = <0x400a0000 0x8000>, <0x400a8000 0x8000>;
55      #mbox-cells = <1>;
56      clock-names = "enable";
57      clocks = <&aon_gate 53>;
58      interrupts = <GIC_SPI 28 IRQ_TYPE_LEVEL_HIGH>, <GIC_SPI 29 IRQ_TYPE_LEVEL_HIGH>;
59    };
60...
61