Re: [PATCH v7 4/5] dt-bindings: bus: VMBus

Saurabh Singh Sengar
2023-03-06T07:49:37Z

On Thu, Feb 23, 2023 at 03:29:04AM -0800, Saurabh Sengar wrote:
> Add dt-bindings for Hyper-V VMBus.
>
> Signed-off-by: Saurabh Sengar <ssengar@linux.microsoft.com>
> ---
> [V7]
> - update ranges; property in simplie-bus for correct 1:1 translation.
>
> .../bindings/bus/microsoft,vmbus.yaml | 54 +++++++++++++++++++
> MAINTAINERS | 1 +
> 2 files changed, 55 insertions(+)
> create mode 100644 Documentation/devicetree/bindings/bus/microsoft,vmbus.yaml
>
> diff --git a/Documentation/devicetree/bindings/bus/microsoft,vmbus.yaml b/Documentation/devicetree/bindings/bus/microsoft,vmbus.yaml
> new file mode 100644
> index 000000000000..a8d40c766dcd
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/bus/microsoft,vmbus.yaml
> @@ -0,0 +1,54 @@
> +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
> +%YAML 1.2
> +---
> +$id: http://devicetree.org/schemas/bus/microsoft,vmbus.yaml#
> +$schema: http://devicetree.org/meta-schemas/core.yaml#
> +
> +title: Microsoft Hyper-V VMBus
> +
> +maintainers:
> + - Saurabh Sengar <ssengar@linux.microsoft.com>
> +
> +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 = <1>;
> + bus {
> + compatible = "simple-bus";
> + #address-cells = <2>;
> + #size-cells = <1>;
> + ranges;
> +
> + vmbus@ff0000000 {
> + compatible = "microsoft,vmbus";
> + #address-cells = <2>;
> + #size-cells = <1>;
> + ranges = <0x0f 0xf0000000 0x0f 0xf0000000 0x10000000>;
> + };
> + };
> + };
> diff --git a/MAINTAINERS b/MAINTAINERS
> index f32aca51242f..aae3c1fb55fd 100644
> --- a/MAINTAINERS
> +++ b/MAINTAINERS
> @@ -9510,6 +9510,7 @@ 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/bus/microsoft,vmbus.yaml
> F: Documentation/virt/hyperv
> F: Documentation/networking/device_drivers/ethernet/microsoft/netvsc.rst
> F: arch/arm64/hyperv
> --
> 2.34.1

Hi Rob,

Did you get chance to review this. Please let me know if you need any additional
information or if its good to be merged.

Regards,
Saurabh