> > This patch adds the generic exynos bus frequency driver for AMBA AXI bus > of sub-blocks in exynos SoC with DEVFREQ framework. The Samsung Exynos SoC > have the common architecture for bus between DRAM and sub-blocks in SoC. > This driver can support the generic bus frequency driver for Exynos SoCs. > > In devicetree, Each bus block has a bus clock, regulator, operation-point > and devfreq-event devices which measure the utilization of each bus block. > > Signed-off-by: Chanwoo Choi <[email protected]> > [m.reichl and linux.amoon: Tested it on exynos4412-odroidu3 board] > Tested-by: Markus Reichl <[email protected]> > Tested-by: Anand Moon <[email protected]> > --- > drivers/devfreq/Kconfig | 15 ++ > drivers/devfreq/Makefile | 1 + > drivers/devfreq/exynos-bus.c | 443 > +++++++++++++++++++++++++++++++++++++++++++ > 3 files changed, 459 insertions(+) > create mode 100644 drivers/devfreq/exynos-bus.c >
Signed-off-by: MyungJoo Ham <[email protected]>
