On Fri, Apr 15, 2016 at 03:32:47PM +0900, Chanwoo Choi wrote: > 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] http://www.spinics.net/lists/arm-kernel/msg495976.html > - [PATCH v9 00/20] PM / devferq: Add generic exynos bus frequency driver and new passive governor > > > Changse from v1: > (https://lkml.org/lkml/2016/4/8/28) > - Simplify the documentation of exynos-nocp.txt > - Check the return value of regmap function > - Modify Device Tree node name using general device name > : nocp_memX_X@ nocp_memX_X -> nocp_memX_X@ nocp > - Fix wrong node name about nocp device tree node > - Drop the CLK_SET_RATE_PARENT flag > - Reorder bus device tree node alpabetically > - Add the tested-by tag from Anand Moon and Markus Reichl > - Add the reviewed-by tag to patch5/7 from Exynos SoC Maintainer > - Add patch2 to modify the devfreq_event_get_edev_by_phandle() > to get the instance of devfreq-event device by using the phandle > > Chanwoo Choi (8): > PM / devfreq: event: Add new Exynos NoC probe driver > PM / devfreq: event: Find the instance of devfreq-event device by using phandle > 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 Applied DTS patches for late v4.7 (hopefully). Best regards, Krzysztof -- To unsubscribe from this list: send the line "unsubscribe devicetree" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
