[PATCH RFC 02/10] dt-bindings: firmware: arm,scmi: Add Qualcomm Generic Extension Protocol
Pragnesh Papaniya <[email protected]> Fri, 24 Jul 2026 12:48:07 +0530
| Newsgroups | org.kernel.vger.arm-scmi,org.infradead.lists.linux-arm-kernel,org.kernel.vger.linux-arm-msm,org.kernel.vger.linux-devicetree,org.kernel.vger.linux-kernel,org.kernel.vger.linux-pm,org.kernel.vger.linux-tegra |
|---|---|
| Message-ID | <[email protected]> |
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 <[email protected]> Signed-off-by: Sibi Sankar <[email protected]> Signed-off-by: Pragnesh Papaniya <[email protected]> --- .../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 <[email protected]> + - Sibi Sankar <[email protected]> + +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