68 lines · yaml
1# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)2%YAML 1.23---4$id: http://devicetree.org/schemas/virtio/mmio.yaml#5$schema: http://devicetree.org/meta-schemas/core.yaml#6 7title: virtio memory mapped devices8 9maintainers:10 - Jean-Philippe Brucker <jean-philippe@linaro.org>11 12description:13 See https://www.oasis-open.org/committees/tc_home.php?wg_abbrev=virtio for14 more details.15 16properties:17 compatible:18 const: virtio,mmio19 20 reg:21 maxItems: 122 23 dma-coherent: true24 25 interrupts:26 maxItems: 127 28 '#iommu-cells':29 description: Required when the node corresponds to a virtio-iommu device.30 const: 131 32 iommus:33 description: Required for devices making accesses thru an IOMMU.34 maxItems: 135 36 wakeup-source:37 type: boolean38 description: Required for setting irq of a virtio_mmio device as wakeup source.39 40required:41 - compatible42 - reg43 - interrupts44 45additionalProperties:46 type: object47 48examples:49 - |50 virtio@3000 {51 compatible = "virtio,mmio";52 reg = <0x3000 0x100>;53 interrupts = <41>;54 55 /* Device has endpoint ID 23 */56 iommus = <&viommu 23>;57 };58 59 viommu: iommu@3100 {60 compatible = "virtio,mmio";61 reg = <0x3100 0x100>;62 interrupts = <42>;63 64 #iommu-cells = <1>;65 };66 67...68