Hi Chanwoo, I tested both sets on odroid XU4 and U3. Tested-by: Markus Reichl <m.rei...@fivetechno.de>
Am 08.04.2016 um 07:00 schrieb Chanwoo Choi: > This patchset support the AMBA bus frequency scaling on Exynos5422-based > Odroid-XU3 board. But, this series only support the bus frequency scaling > for INT (Internal) block using VDD_INT power line. > > Also, to support the bus frequency scaling for Exynos542x SoC, > Exynos542x SoC has the specific 'NoC (Network on Chip) Probe' device > to measure the transfered data traffic on NoC (Network on Chip) > instead of PPMU (Platform Performance Monitoring Unit). NoC Probe device > provide the utilization for INT block of Exynos542x SoC. > > The generic exynos-bus frequency driver uses the 'NoC Probe' devfreq-event > device (drivers/devfreq/event/exynos-nocp.c) without any modification. > Just add the phandle of 'NoC Probe' dt node to bus dt node. > > Depend on: > This patchset depends on patch[1] which support the generic exynos-bus > frequency driver. > > [1] https://lkml.org/lkml/2016/4/8/14 > - [PATCH v8 00/20] PM / devferq: Add generic exynos bus frequency driver and > new passive governor > > Chanwoo Choi (7): > PM / devfreq: event: Add new Exynos NoC probe driver > PM / devfreq: exynos: Add the detailed correlation for Exynos5422 bus > ARM: dts: Add NoC Probe dt node for Exynos542x SoC > dt-bindings: clock: Add the clock id for ACLK clock of Exynos542x SoC > clk: samsung: exynos542x: Add the clock id for ACLK > ARM: dts: Add bus nodes using VDD_INT for Exynos542x SoC > ARM: dts: Add support of Bus frequency using VDD_INT for > exynos5422-odroidxu3 > > .../bindings/devfreq/event/exynos-nocp.txt | 86 +++++ > .../devicetree/bindings/devfreq/exynos-bus.txt | 19 + > arch/arm/boot/dts/exynos5420.dtsi | 407 > +++++++++++++++++++++ > arch/arm/boot/dts/exynos5422-odroidxu3-common.dtsi | 99 +++++ > drivers/clk/samsung/clk-exynos5420.c | 85 +++-- > drivers/devfreq/event/Kconfig | 8 + > drivers/devfreq/event/Makefile | 2 + > drivers/devfreq/event/exynos-nocp.c | 247 +++++++++++++ > drivers/devfreq/event/exynos-nocp.h | 78 ++++ > include/dt-bindings/clock/exynos5420.h | 24 +- > 10 files changed, 1024 insertions(+), 31 deletions(-) > create mode 100644 > Documentation/devicetree/bindings/devfreq/event/exynos-nocp.txt > create mode 100644 drivers/devfreq/event/exynos-nocp.c > create mode 100644 drivers/devfreq/event/exynos-nocp.h > Thanks, -- Markus Reichl
