The patch series documents the bindings and adds support for the SCMI QTI memlat (memory latency) vendor protocol. The protocol takes in several tuneables including the IPM ratio (Instructions Per Miss), bus bandwidth requirements and PMU maps to enable frequency scaling of various buses (L3/LLCC/DDR). The scaling is performed by the HW memory latency governor running on the CPUSS Control Processor. Depends on CPUCP mailbox driver: https://patchwork.kernel.org/project/linux-arm-msm/cover/1663135386-26270-1-git-send-email-quic_sibis@xxxxxxxxxxx/ Sibi Sankar (2): dt-bindings: firmware: arm,scmi: Add support for memlat vendor protocol firmware: arm_scmi: Add SCMI QTI Memlat vendor protocol .../devicetree/bindings/firmware/arm,scmi.yaml | 164 +++++++++++++ drivers/firmware/arm_scmi/Kconfig | 10 + drivers/firmware/arm_scmi/Makefile | 1 + drivers/firmware/arm_scmi/qcom_memlat_vendor.c | 269 +++++++++++++++++++++ include/linux/scmi_protocol.h | 36 +++ 5 files changed, 480 insertions(+) create mode 100644 drivers/firmware/arm_scmi/qcom_memlat_vendor.c -- 2.7.4
