| # 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 |
| |
| 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 |
| |
| 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>; |
| }; |
| |
| ... |
