[PATCH RFC v7 2/9] dt-bindings: firmware: arm,scmi: Add Qualcomm Generic Extension Protocol

Pragnesh Papaniya pragnesh.papaniya at oss.qualcomm.com
Wed Jun 10 01:51:29 PDT 2026


Add the binding schema for the Qualcomm SCMI Generic Extension Protocol
which helps support Bus DVFS on Glymur/Mahua/Hamoa/Purwa SoCs.

Signed-off-by: Pragnesh Papaniya <pragnesh.papaniya at oss.qualcomm.com>
---
 .../devicetree/bindings/firmware/arm,scmi.yaml     |  1 +
 .../bindings/firmware/qcom,generic-scmi.yaml       | 27 ++++++++++++++++++++++
 2 files changed, 28 insertions(+)

diff --git a/Documentation/devicetree/bindings/firmware/arm,scmi.yaml b/Documentation/devicetree/bindings/firmware/arm,scmi.yaml
index d06cca9273c4..aedc57dd3b38 100644
--- a/Documentation/devicetree/bindings/firmware/arm,scmi.yaml
+++ b/Documentation/devicetree/bindings/firmware/arm,scmi.yaml
@@ -24,6 +24,7 @@ description: |
 
 anyOf:
   - $ref: /schemas/firmware/nxp,imx95-scmi.yaml
+  - $ref: /schemas/firmware/qcom,generic-scmi.yaml
 
 properties:
   $nodename:
diff --git a/Documentation/devicetree/bindings/firmware/qcom,generic-scmi.yaml b/Documentation/devicetree/bindings/firmware/qcom,generic-scmi.yaml
new file mode 100644
index 000000000000..077653dc1cda
--- /dev/null
+++ b/Documentation/devicetree/bindings/firmware/qcom,generic-scmi.yaml
@@ -0,0 +1,27 @@
+# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/firmware/qcom,generic-scmi.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Qualcomm System Control and Management Interface(SCMI) Vendor Protocols Extension
+
+maintainers:
+  - Sibi Sankar <sibi.sankar at oss.qualcomm.com>
+  - Pragnesh Papaniya <pragnesh.papaniya at oss.qualcomm.com>
+
+properties:
+  protocol at 80:
+    description:
+      SCMI Qualcomm Generic Vendor Protocol which exposes a number of
+      Qualcomm SoC specific features (such as memory bus scaling) through
+      a mixture of pre-determined algorithm strings and param_id pairs
+      hosted on the SCMI controller.
+    $ref: '/schemas/firmware/arm,scmi.yaml#/$defs/protocol-node'
+    unevaluatedProperties: false
+
+    properties:
+      reg:
+        const: 0x80
+
+additionalProperties: true

-- 
2.34.1




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