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Subject[RFC 1/3] dt-bindings: arm: Add document for SCMI Virtio backend device
Date
Document the properties for ARM SCMI Virtio backend device
node.

Signed-off-by: Neeraj Upadhyay <quic_neeraju@quicinc.com>
---
.../firmware/arm,scmi-vio-backend.yaml | 85 +++++++++++++++++++
1 file changed, 85 insertions(+)
create mode 100644 Documentation/devicetree/bindings/firmware/arm,scmi-vio-backend.yaml

diff --git a/Documentation/devicetree/bindings/firmware/arm,scmi-vio-backend.yaml b/Documentation/devicetree/bindings/firmware/arm,scmi-vio-backend.yaml
new file mode 100644
index 000000000000..c95d4e093a3c
--- /dev/null
+++ b/Documentation/devicetree/bindings/firmware/arm,scmi-vio-backend.yaml
@@ -0,0 +1,85 @@
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+# Copyright (c) 2022 Qualcomm Innovation Center, Inc. All rights reserved.
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/firmware/arm,scmi-vio-backend.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: System Control and Management Interface (SCMI) Virtio backend bindings
+
+maintainers:
+ - Neeraj Upadhyay <quic_neeraju@quicinc.com>
+
+description: |
+ This binding defines the interface for configuring the ARM SCMI Virtio
+ backend using device tree.
+
+properties:
+ $nodename:
+ const: scmi-vio-backend
+
+ compatible:
+ const: arm,scmi-vio-backend
+
+ '#address-cells':
+ const: 1
+
+ '#size-cells':
+ const: 0
+
+ protocol@11:
+ type: object
+ properties:
+ reg:
+ const: 0x11
+
+ protocol@13:
+ type: object
+ properties:
+ reg:
+ const: 0x13
+
+ protocol@14:
+ type: object
+ properties:
+ reg:
+ const: 0x14
+
+ protocol@15:
+ type: object
+ properties:
+ reg:
+ const: 0x15
+
+ protocol@16:
+ type: object
+ properties:
+ reg:
+ const: 0x16
+
+ protocol@17:
+ type: object
+ properties:
+ reg:
+ const: 0x17
+
+required:
+ - compatible
+
+examples:
+ - |
+ firmware {
+ scmi-vio-backend {
+ compatible = "arm,scmi-vio-backend";
+
+ scmi_vio_backend_clk: protocol@14 {
+ reg = <0x14>;
+ };
+
+ scmi_vio_backend_voltage: protocol@17 {
+ reg = <0x17>;
+ };
+ };
+ };
+
+...
--
2.17.1
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