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# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
%YAML 1.2
---
$id: http://devicetree.org/schemas/mailbox/st,sti-mailbox.yaml#
$schema: http://devicetree.org/meta-schemas/core.yaml#
title: STMicroelectronics Mailbox Driver for STi platform
description:
Each ST Mailbox IP currently consists of 4 instances of 32 channels.
Messages are passed between Application and Remote processors using
shared memory.
maintainers:
- Patrice Chotard <patrice.chotard@foss.st.com>
properties:
compatible:
const: st,stih407-mailbox
reg:
maxItems: 1
mbox-name:
$ref: /schemas/types.yaml#/definitions/string
description: name of the mailbox IP
interrupts:
description: the irq line for the RX mailbox
maxItems: 1
"#mbox-cells":
const: 2
required:
- compatible
- reg
- "#mbox-cells"
additionalProperties: false
examples:
- |
#include <dt-bindings/interrupt-controller/arm-gic.h>
mailbox0: mailbox@8f00000 {
compatible = "st,stih407-mailbox";
reg = <0x8f00000 0x1000>;
interrupts = <GIC_SPI 1 IRQ_TYPE_LEVEL_HIGH>;
#mbox-cells = <2>;
mbox-name = "a9";
};
...
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