Dear MyungJoo, On 08.08.2019 11:02, Kamil Konieczny wrote: > Hi, > > The main purpose of this patch series is to add coupled regulators for > Exynos5422/5800 to keep constrain on voltage difference between vdd_arm > and vdd_int to be at most 300mV. In exynos-bus instead of using > regulator_set_voltage_tol() with default voltage tolerance it should be > used regulator_set_voltage_triplet() with volatege range, and this is > already present in opp/core.c code, so it can be reused. While at this, > move setting regulators into opp/core. > > This patchset was tested on Odroid XU3. > > The DTS coupled regulators patch depends on previous patches. > > Changes: > v5: > - squashed last patch "remove exynos_bus_passive_target()" into second > - added Acked-by to patch "correct clock enable sequence" Could you please merge patches 1/4 and 2/4 for v5.4 (they were already Ack-ed by Chanwoo Choi)? -- Best regards, Kamil Konieczny Samsung R&D Institute Poland > v4: > - removed "opp: core: add regulators enable and disable" from patchset > as it was applied by Viresh Kumar and changed cover letter > - fix patch "devfreq: exynos-bus: correct clock enable sequence" to > correct order of enable/disable > - removed unrelated changes in "devfreq: exynos-bus: convert to use > dev_pm_opp_set_rate()" > - added new patch "devfreq: exynos-bus: remove exynos_bus_passive_target()" > as suggested by Chanwoo Choi > v3: > - added new exynos-bus patch to correct clock and regulator enabling > and disabling sequence as suggested by Chanwoo Choi > - corrected error path in enable and improved commit message in opp/core > - improve comment in devfreq/exynos-bus.c before devfreq_recommended_opp() > - change cover letter as there is new patch > - added note before Signed-off-by in 4th patch > v2: > - improve regulators enable/disable code in opp/core as suggested by > Viresh Kumar > - add new patch for remove unused dt-bindings as suggested by Krzysztof > Kozlowski > > Kamil Konieczny (3): > devfreq: exynos-bus: correct clock enable sequence > devfreq: exynos-bus: convert to use dev_pm_opp_set_rate() > dt-bindings: devfreq: exynos-bus: remove unused property > > Marek Szyprowski (1): > ARM: dts: exynos: add initial data for coupled regulators for > Exynos5422/5800 > > .../bindings/devfreq/exynos-bus.txt | 2 - > arch/arm/boot/dts/exynos5420.dtsi | 34 ++-- > arch/arm/boot/dts/exynos5422-odroid-core.dtsi | 4 + > arch/arm/boot/dts/exynos5800-peach-pi.dts | 4 + > arch/arm/boot/dts/exynos5800.dtsi | 32 ++-- > drivers/devfreq/exynos-bus.c | 153 +++++------------- > 6 files changed, 78 insertions(+), 151 deletions(-) >
