1*3a87af1cSAlain Volmat# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
2*3a87af1cSAlain Volmat%YAML 1.2
3*3a87af1cSAlain Volmat---
4*3a87af1cSAlain Volmat$id: http://devicetree.org/schemas/mailbox/st,sti-mailbox.yaml#
5*3a87af1cSAlain Volmat$schema: http://devicetree.org/meta-schemas/core.yaml#
6*3a87af1cSAlain Volmat
7*3a87af1cSAlain Volmattitle: STMicroelectronics Mailbox Driver for STi platform
8*3a87af1cSAlain Volmat
9*3a87af1cSAlain Volmatdescription:
10*3a87af1cSAlain Volmat  Each ST Mailbox IP currently consists of 4 instances of 32 channels.
11*3a87af1cSAlain Volmat  Messages are passed between Application and Remote processors using
12*3a87af1cSAlain Volmat  shared memory.
13*3a87af1cSAlain Volmat
14*3a87af1cSAlain Volmatmaintainers:
15*3a87af1cSAlain Volmat  - Patrice Chotard <patrice.chotard@foss.st.com>
16*3a87af1cSAlain Volmat
17*3a87af1cSAlain Volmatproperties:
18*3a87af1cSAlain Volmat  compatible:
19*3a87af1cSAlain Volmat    const: st,stih407-mailbox
20*3a87af1cSAlain Volmat
21*3a87af1cSAlain Volmat  reg:
22*3a87af1cSAlain Volmat    maxItems: 1
23*3a87af1cSAlain Volmat
24*3a87af1cSAlain Volmat  mbox-name:
25*3a87af1cSAlain Volmat    $ref: /schemas/types.yaml#/definitions/string
26*3a87af1cSAlain Volmat    description: name of the mailbox IP
27*3a87af1cSAlain Volmat
28*3a87af1cSAlain Volmat  interrupts:
29*3a87af1cSAlain Volmat    description: the irq line for the RX mailbox
30*3a87af1cSAlain Volmat    maxItems: 1
31*3a87af1cSAlain Volmat
32*3a87af1cSAlain Volmat  "#mbox-cells":
33*3a87af1cSAlain Volmat    const: 2
34*3a87af1cSAlain Volmat
35*3a87af1cSAlain Volmatrequired:
36*3a87af1cSAlain Volmat  - compatible
37*3a87af1cSAlain Volmat  - reg
38*3a87af1cSAlain Volmat  - "#mbox-cells"
39*3a87af1cSAlain Volmat
40*3a87af1cSAlain VolmatadditionalProperties: false
41*3a87af1cSAlain Volmat
42*3a87af1cSAlain Volmatexamples:
43*3a87af1cSAlain Volmat  - |
44*3a87af1cSAlain Volmat    #include <dt-bindings/interrupt-controller/arm-gic.h>
45*3a87af1cSAlain Volmat    mailbox0: mailbox@8f00000  {
46*3a87af1cSAlain Volmat        compatible = "st,stih407-mailbox";
47*3a87af1cSAlain Volmat        reg = <0x8f00000 0x1000>;
48*3a87af1cSAlain Volmat        interrupts = <GIC_SPI 1 IRQ_TYPE_LEVEL_HIGH>;
49*3a87af1cSAlain Volmat        #mbox-cells = <2>;
50*3a87af1cSAlain Volmat        mbox-name = "a9";
51*3a87af1cSAlain Volmat    };
52*3a87af1cSAlain Volmat
53*3a87af1cSAlain Volmat...
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