Add dt-bindings for Hyper-V VMBus Signed-off-by: Saurabh Sengar <ssengar@xxxxxxxxxxxxxxxxxxx> --- .../bindings/hypervisor/msft,vmbus.yaml | 50 +++++++++++++++++++ .../devicetree/bindings/vendor-prefixes.yaml | 2 + MAINTAINERS | 1 + 3 files changed, 53 insertions(+) create mode 100644 Documentation/devicetree/bindings/hypervisor/msft,vmbus.yaml diff --git a/Documentation/devicetree/bindings/hypervisor/msft,vmbus.yaml b/Documentation/devicetree/bindings/hypervisor/msft,vmbus.yaml new file mode 100644 index 000000000000..8f50d6097c48 --- /dev/null +++ b/Documentation/devicetree/bindings/hypervisor/msft,vmbus.yaml @@ -0,0 +1,50 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/hypervisor/msft,vmbus.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Microsoft Hyper-V VMBus device tree bindings + +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: msft,vmbus + + ranges: true + + '#address-cells': + const: 2 + + '#size-cells': + const: 1 + +required: + - compatible + - ranges + - '#address-cells' + - '#size-cells' + +additionalProperties: false + +examples: + - | + / { + compatible = "foo"; + model = "foo"; + #address-cells = <0x02>; + #size-cells = <0x02>; + + vmbus@ff0000000 { + #address-cells = <0x02>; + #size-cells = <0x01>; + compatible = "msft,vmbus"; + ranges = <0x00 0x00 0x0f 0xf0000000 0x10000000>; + }; + }; diff --git a/Documentation/devicetree/bindings/vendor-prefixes.yaml b/Documentation/devicetree/bindings/vendor-prefixes.yaml index 1f7a519a936f..ab74ea97535f 100644 --- a/Documentation/devicetree/bindings/vendor-prefixes.yaml +++ b/Documentation/devicetree/bindings/vendor-prefixes.yaml @@ -876,6 +876,8 @@ patternProperties: deprecated: true "^mscc,.*": description: Microsemi Corporation + "^msft,.*": + description: Microsoft Corporation "^msi,.*": description: Micro-Star International Co. Ltd. "^mstar,.*": diff --git a/MAINTAINERS b/MAINTAINERS index 9bc5b88b723a..c749782b0cff 100644 --- a/MAINTAINERS +++ b/MAINTAINERS @@ -9496,6 +9496,7 @@ 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/msft,vmbus.yaml F: Documentation/virt/hyperv F: Documentation/networking/device_drivers/ethernet/microsoft/netvsc.rst F: arch/arm64/hyperv -- 2.25.1