[PATCH RFC 02/10] dt-bindings: firmware: arm,scmi: Add Qualcomm Generic Extension Protocol

[Pragnesh Papaniya]

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

Co-developed-by: Sibi Sankar <sibi.sankar@xxxxxxxxxxxxxxxx>
Signed-off-by: Sibi Sankar <sibi.sankar@xxxxxxxxxxxxxxxx>
Signed-off-by: Pragnesh Papaniya <pragnesh.papaniya@xxxxxxxxxxxxxxxx>
---
 .../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 6fc44105f1c3..85f06a6a7452 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:
   $nodename:
diff --git a/Documentation/devicetree/bindings/firmware/qcom,generic-scmi.yaml b/Documentation/devicetree/bindings/firmware/qcom,generic-scmi.yaml
new file mode 100644
index 000000000000..a50e5e8fdccc
--- /dev/null
+++ b/Documentation/devicetree/bindings/firmware/qcom,generic-scmi.yaml
@@ -0,0 +1,27 @@
+# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/firmware/qcom,generic-scmi.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: System Control and Management Interface (SCMI) Qualcomm Generic Extension Protocol
+
+maintainers:
+  - Pragnesh Papaniya <pragnesh.papaniya@xxxxxxxxxxxxxxxx>
+  - Sibi Sankar <sibi.sankar@xxxxxxxxxxxxxxxx>
+
+properties:
+  protocol@80:
+    description:
+      SCMI Qualcomm Generic Extension Protocol exposes Qualcomm SoC specific
+      algorithms such as Memory Latency (MEMLAT) bound DDR/LLCC/DDR-QOS bus DVFS.
+      The algorithm runs on the SCP, it can be turned on/off and be configured
+      through a pairing of algorithm strings with an immutable list param_ids.
+    $ref: '/schemas/firmware/arm,scmi.yaml#/$defs/protocol-node'
+    unevaluatedProperties: false
+
+    properties:
+      reg:
+        const: 0x80
+
+additionalProperties: true

-- 
2.34.1