[RFC PATCH v2 0/6] ufs: set power domain performance state when scaling gears

Krzysztof Kozlowski
2022-04-11T15:44:52Z

Hi,

This is a proof-of-concept/RFC for changing the performance state
of power rails when scaling gears.

Changes since v1
================
1. Patch #1 qcom,gcc-sdm845: fix typo (Stephen).
2. Patch #2 ufs dt-bindings: not adding Rob's review because patch
changed significantly.
3. PM: add new code for handling multiple clocks.
4. UFS: deprecate freq-table-hz property and use PM opps instead.

Dependencies
============
The UFS patch depends on PM opp adding multiple clock support.

Best regards,
Krzysztof

Krzysztof Kozlowski (6):
dt-bindings: clock: qcom,gcc-sdm845: add parent power domain
dt-bindings: opp: accept array of frequencies
dt-bindings: ufs: common: add OPP table
PM: opp: allow control of multiple clocks
ufs: use PM OPP when scaling gears
arm64: dts: qcom: sdm845: control RPMHPD performance states with UFS

.../bindings/clock/qcom,gcc-sdm845.yaml | 3 +
.../devicetree/bindings/opp/opp-v2-base.yaml | 8 +
.../devicetree/bindings/ufs/ufs-common.yaml | 34 ++-
arch/arm64/boot/dts/qcom/sdm845.dtsi | 43 +++-
drivers/opp/core.c | 205 ++++++++++++++----
drivers/opp/of.c | 48 ++++
drivers/opp/opp.h | 9 +-
drivers/scsi/ufs/ufshcd-pltfrm.c | 69 ++++++
drivers/scsi/ufs/ufshcd.c | 115 +++++++---
drivers/scsi/ufs/ufshcd.h | 4 +
include/linux/pm_opp.h | 23 ++
11 files changed, 475 insertions(+), 86 deletions(-)

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2.32.0