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