1# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
2%YAML 1.2
3---
4$id: http://devicetree.org/schemas/mailbox/st,sti-mailbox.yaml#
5$schema: http://devicetree.org/meta-schemas/core.yaml#
6
7title: STMicroelectronics Mailbox Driver for STi platform
8
9description:
10  Each ST Mailbox IP currently consists of 4 instances of 32 channels.
11  Messages are passed between Application and Remote processors using
12  shared memory.
13
14maintainers:
15  - Patrice Chotard <patrice.chotard@foss.st.com>
16
17properties:
18  compatible:
19    const: st,stih407-mailbox
20
21  reg:
22    maxItems: 1
23
24  mbox-name:
25    $ref: /schemas/types.yaml#/definitions/string
26    description: name of the mailbox IP
27
28  interrupts:
29    description: the irq line for the RX mailbox
30    maxItems: 1
31
32  "#mbox-cells":
33    const: 2
34
35required:
36  - compatible
37  - reg
38  - "#mbox-cells"
39
40additionalProperties: false
41
42examples:
43  - |
44    #include <dt-bindings/interrupt-controller/arm-gic.h>
45    mailbox0: mailbox@8f00000  {
46        compatible = "st,stih407-mailbox";
47        reg = <0x8f00000 0x1000>;
48        interrupts = <GIC_SPI 1 IRQ_TYPE_LEVEL_HIGH>;
49        #mbox-cells = <2>;
50        mbox-name = "a9";
51    };
52
53...
54