Add dt-bindings for Hyper-V VMBus. Signed-off-by: Saurabh Sengar <ssengar@xxxxxxxxxxxxxxxxxxx> --- [V3] - Removed "device tree bindings" from title and patch subject. - Removed duplicate vendor prefix, used microsoft instead of msft. - Drop hex notation and leading zeros from device tree cell properties. - Use 'soc' in example of device tree documantation for parent node. .../bindings/hypervisor/microsoft,vmbus.yaml | 48 +++++++++++++++++++ MAINTAINERS | 1 + 2 files changed, 49 insertions(+) create mode 100644 Documentation/devicetree/bindings/hypervisor/microsoft,vmbus.yaml diff --git a/Documentation/devicetree/bindings/hypervisor/microsoft,vmbus.yaml b/Documentation/devicetree/bindings/hypervisor/microsoft,vmbus.yaml new file mode 100644 index 000000000000..a9c43a626df4 --- /dev/null +++ b/Documentation/devicetree/bindings/hypervisor/microsoft,vmbus.yaml @@ -0,0 +1,48 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/hypervisor/microsoft,vmbus.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Microsoft Hyper-V VMBus + +maintainers: + - Saurabh Sengar <ssengar@xxxxxxxxxxxxxxxxxxx> + +description: + VMBus is a software bus that implement the protocols for communication + between the root or host OS and guest OSs (virtual machines). + +properties: + compatible: + const: microsoft,vmbus + + ranges: true + + '#address-cells': + const: 2 + + '#size-cells': + const: 1 + +required: + - compatible + - ranges + - '#address-cells' + - '#size-cells' + +additionalProperties: false + +examples: + - | + soc { + #address-cells = <2>; + #size-cells = <2>; + + vmbus@ff0000000 { + #address-cells = <2>; + #size-cells = <1>; + compatible = "microsoft,vmbus"; + ranges = <0x0f 0xf0000000 0x0f 0xf0000000 0x10000000>; + }; + }; diff --git a/MAINTAINERS b/MAINTAINERS index 27a5650a9ffd..669f1c147bcb 100644 --- a/MAINTAINERS +++ b/MAINTAINERS @@ -9490,6 +9490,7 @@ S: Supported T: git git://git.kernel.org/pub/scm/linux/kernel/git/hyperv/linux.git F: Documentation/ABI/stable/sysfs-bus-vmbus F: Documentation/ABI/testing/debugfs-hyperv +F: Documentation/devicetree/bindings/hypervisor/microsoft,vmbus.yaml F: Documentation/virt/hyperv F: Documentation/networking/device_drivers/ethernet/microsoft/netvsc.rst F: arch/arm64/hyperv -- 2.25.1