On Thu, Nov 26, 2015 at 11:00 PM, MyungJoo Ham <myungjoo....@samsung.com> wrote:
> On Thu, Nov 26, 2015 at 10:47 PM, Chanwoo Choi <cw00.c...@samsung.com> wrote:
>> 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 <cw00.c...@samsung.com>
>> ---
>>  drivers/devfreq/Kconfig             |  15 ++
>>  drivers/devfreq/Makefile            |   1 +
>>  drivers/devfreq/exynos/Makefile     |   1 +
>>  drivers/devfreq/exynos/exynos-bus.c | 443 
>> ++++++++++++++++++++++++++++++++++++
>>  4 files changed, 460 insertions(+)
>>  create mode 100644 drivers/devfreq/exynos/exynos-bus.c
>>
>
> Are we finally getting a common Exynos bus driver with full DT support?
> (can this replace both Exynos4/5 drivers and support Exynos7 series?)

Yes.
This patch-set would support all Exynos SoCs for bus frequency driver.
To make sure the support for Exynos7 series, I need to check the TRM
document of Exynos7.  I think it is possible for support Exynos7.

I'm going to test this driver on various Exynos-based board.

Regards,
Chanwoo Choi
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