54 lines
1.1 KiB
YAML
54 lines
1.1 KiB
YAML
|
# 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";
|
||
|
|
};
|
||
|
|
|
||
|
|
...
|