[PATCH v2 5/6] dt-bindings: hypervisor: Add dt-bindings for VMBus

From: Saurabh Sengar
Date: Tue Jan 31 2023 - 13:10:34 EST


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