lkml.org 
[lkml]   [2015]   [Nov]   [26]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
Date
SubjectRe: [RFC PATCH 01/15] PM / devfreq: exynos: Add generic exynos bus frequency driver
From
On Thu, Nov 26, 2015 at 11:00 PM, MyungJoo Ham <myungjoo.ham@samsung.com> wrote:
> On Thu, Nov 26, 2015 at 10:47 PM, Chanwoo Choi <cw00.choi@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.choi@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


\
 
 \ /
  Last update: 2015-11-26 17:41    [W:0.055 / U:2.980 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site