Hi Andrew, Could you explain the base commit of these patches? When I tried to apply them to v5.7-rc1 for testing, the merge conflict occurs. Thanks, Chanwoo Choi On 5/20/20 12:42 PM, Andrew-sh.Cheng wrote: > MT8183 supports CPU DVFS and CCI DVFS, and LITTLE cpus and CCI are in the same voltage domain. > So, this series is to add drivers to handle the voltage coupling between CPU and CCI DVFS. > > For SVS support, need OPP_EVENT_ADJUST_VOLTAGE and corresponding reaction. > > Change since v5: > - Changing dt-binding format to yaml. > - Extending current devfreq passive_governor instead of create a new one. > - Resend depending patches of Sravana Kannan base on kernel-5.7 > > > Andrew-sh.Cheng (6): > cpufreq: mediatek: add clock and regulator enable for intermediate > clock > dt-bindings: devfreq: add compatible for mt8183 cci devfreq > devfreq: add mediatek cci devfreq > opp: Modify opp API, dev_pm_opp_get_freq(), find freq in opp, even it > is disabled > cpufreq: mediatek: add opp notification for SVS support > devfreq: mediatek: cci devfreq register opp notification for SVS > support > > Saravana Kannan (6): > OPP: Allow required-opps even if the device doesn't have power-domains > OPP: Add function to look up required OPP's for a given OPP > OPP: Improve required-opps linking > PM / devfreq: Cache OPP table reference in devfreq > PM / devfreq: Add required OPPs support to passive governor > PM / devfreq: Add cpu based scaling support to passive_governor > > .../devicetree/bindings/devfreq/mt8183-cci.yaml | 51 ++++ > drivers/cpufreq/mediatek-cpufreq.c | 122 ++++++++- > drivers/devfreq/Kconfig | 12 + > drivers/devfreq/Makefile | 1 + > drivers/devfreq/devfreq.c | 6 + > drivers/devfreq/governor_passive.c | 298 +++++++++++++++++++-- > drivers/devfreq/mt8183-cci-devfreq.c | 233 ++++++++++++++++ > drivers/opp/core.c | 85 +++++- > drivers/opp/of.c | 108 ++++---- > drivers/opp/opp.h | 5 + > include/linux/devfreq.h | 42 ++- > include/linux/pm_opp.h | 11 + > 12 files changed, 874 insertions(+), 100 deletions(-) > create mode 100644 Documentation/devicetree/bindings/devfreq/mt8183-cci.yaml > create mode 100644 drivers/devfreq/mt8183-cci-devfreq.c >