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# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
%YAML 1.2
---
$id: http://devicetree.org/schemas/bus/microsoft,vmbus.yaml#
$schema: http://devicetree.org/meta-schemas/core.yaml#
title: Microsoft Hyper-V VMBus
maintainers:
- Saurabh Sengar <ssengar@linux.microsoft.com>
description:
VMBus is a software bus that implements the protocols for communication
between the root or host OS and guest OS'es (virtual machines).
properties:
compatible:
const: microsoft,vmbus
ranges: true
'#address-cells':
const: 2
'#size-cells':
const: 1
dma-coherent: true
interrupts:
maxItems: 1
description: Interrupt is used to report a message from the host.
required:
- compatible
- ranges
- interrupts
- '#address-cells'
- '#size-cells'
additionalProperties: false
examples:
- |
#include <dt-bindings/interrupt-controller/irq.h>
#include <dt-bindings/interrupt-controller/arm-gic.h>
soc {
#address-cells = <2>;
#size-cells = <1>;
bus {
compatible = "simple-bus";
#address-cells = <2>;
#size-cells = <1>;
ranges;
vmbus@ff0000000 {
compatible = "microsoft,vmbus";
#address-cells = <2>;
#size-cells = <1>;
ranges = <0x0f 0xf0000000 0x0f 0xf0000000 0x10000000>;
dma-coherent;
interrupt-parent = <&gic>;
interrupts = <GIC_PPI 2 IRQ_TYPE_EDGE_RISING>;
};
};
};
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