linux/Documentation/devicetree/bindings/virtio/virtio-device.yaml
Viresh Kumar ad93f7b371 dt-bindings: virtio: Add binding for virtio devices
Allow virtio device sub-nodes to be added to the virtio mmio or pci
nodes. The compatible property for virtio device must be of the format
"virtio,device<ID>", where ID is virtio device ID in hexadecimal format.

Signed-off-by: Viresh Kumar <viresh.kumar@linaro.org>
Link: https://lore.kernel.org/r/d8319fd18df7086b12cdcc23193c313893aa071a.1627362340.git.viresh.kumar@linaro.org
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Reviewed-by: Arnd Bergmann <arnd@arndb.de>
Reviewed-by: Rob Herring <robh@kernel.org>
2021-09-05 16:23:08 -04:00

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YAML

# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
%YAML 1.2
---
$id: http://devicetree.org/schemas/virtio/virtio-device.yaml#
$schema: http://devicetree.org/meta-schemas/core.yaml#
title: Virtio device bindings
maintainers:
- Viresh Kumar <viresh.kumar@linaro.org>
description:
These bindings are applicable to virtio devices irrespective of the bus they
are bound to, like mmio or pci.
# We need a select here so we don't match all nodes with 'virtio,mmio'
properties:
compatible:
pattern: "^virtio,device[0-9a-f]{1,8}$"
description: Virtio device nodes.
"virtio,deviceID", where ID is the virtio device id. The textual
representation of ID shall be in lower case hexadecimal with leading
zeroes suppressed.
required:
- compatible
additionalProperties: true
examples:
- |
virtio@3000 {
compatible = "virtio,mmio";
reg = <0x3000 0x100>;
interrupts = <43>;
i2c {
compatible = "virtio,device22";
};
};
...