ad93f7b371
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>
62 lines
1.1 KiB
YAML
62 lines
1.1 KiB
YAML
# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
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%YAML 1.2
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---
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$id: http://devicetree.org/schemas/virtio/mmio.yaml#
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$schema: http://devicetree.org/meta-schemas/core.yaml#
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title: virtio memory mapped devices
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maintainers:
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- Jean-Philippe Brucker <jean-philippe@linaro.org>
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description:
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See https://www.oasis-open.org/committees/tc_home.php?wg_abbrev=virtio for
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more details.
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properties:
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compatible:
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const: virtio,mmio
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reg:
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maxItems: 1
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interrupts:
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maxItems: 1
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'#iommu-cells':
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description: Required when the node corresponds to a virtio-iommu device.
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const: 1
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iommus:
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description: Required for devices making accesses thru an IOMMU.
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maxItems: 1
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required:
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- compatible
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- reg
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- interrupts
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additionalProperties:
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type: object
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examples:
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- |
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virtio@3000 {
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compatible = "virtio,mmio";
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reg = <0x3000 0x100>;
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interrupts = <41>;
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/* Device has endpoint ID 23 */
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iommus = <&viommu 23>;
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};
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viommu: iommu@3100 {
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compatible = "virtio,mmio";
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reg = <0x3100 0x100>;
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interrupts = <42>;
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#iommu-cells = <1>;
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};
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...
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