From mboxrd@z Thu Jan 1 00:00:00 1970 From: Krzysztof Kozlowski Subject: Re: [PATCH v9 01/20] PM / devfreq: exynos: Add generic exynos bus frequency driver Date: Tue, 12 Apr 2016 09:23:33 +0200 Message-ID: <570CA275.6000903@samsung.com> References: <1460347078-15175-1-git-send-email-cw00.choi@samsung.com> <1460347078-15175-2-git-send-email-cw00.choi@samsung.com> Mime-Version: 1.0 Content-Type: text/plain; charset=windows-1252 Content-Transfer-Encoding: 7bit Return-path: In-reply-to: <1460347078-15175-2-git-send-email-cw00.choi@samsung.com> Sender: linux-samsung-soc-owner@vger.kernel.org To: Chanwoo Choi , myungjoo.ham@samsung.com, kyungmin.park@samsung.com, kgene@kernel.org, s.nawrocki@samsung.com, tomasz.figa@gmail.com Cc: rjw@rjwysocki.net, robh+dt@kernel.org, pawel.moll@arm.com, mark.rutland@arm.com, ijc+devicetree@hellion.org.uk, galak@codeaurora.org, linux@arm.linux.org.uk, linux.amoon@gmail.com, m.reichl@fivetechno.de, tjakobi@math.uni-bielefeld.de, inki.dae@samsung.com, linux-kernel@vger.kernel.org, linux-pm@vger.kernel.org, linux-samsung-soc@vger.kernel.org, linux-arm-kernel@lists.infradead.org, devicetree@vger.kernel.org List-Id: linux-pm@vger.kernel.org On 04/11/2016 05:57 AM, Chanwoo Choi 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 > [m.reichl and linux.amoon: Tested it on exynos4412-odroidu3 board] > Tested-by: Markus Reichl > Tested-by: Anand Moon > Signed-off-by: MyungJoo Ham > --- > 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 Acked-by: Krzysztof Kozlowski Best regards, Krzysztof