linux-kernel - [PATCH v5 0/7] cpufreq: add generic cpufreq driver support for Exynos542x/5800 platforms

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Message-id: <1449766729-435-1-git-send-email-b.zolnierkie@samsung.com>
Date:	Thu, 10 Dec 2015 17:58:42 +0100
From:	Bartlomiej Zolnierkiewicz <b.zolnierkie@...sung.com>
To:	Thomas Abraham <thomas.ab@...sung.com>,
	Sylwester Nawrocki <s.nawrocki@...sung.com>,
	Mike Turquette <mturquette@...libre.com>,
	Kukjin Kim <kgene.kim@...sung.com>,
	Kukjin Kim <kgene@...nel.org>,
	Viresh Kumar <viresh.kumar@...aro.org>,
	Krzysztof Kozlowski <k.kozlowski@...sung.com>,
	Ben Gamari <ben@...rt-cactus.org>
Cc:	Tomasz Figa <tomasz.figa@...il.com>,
	Lukasz Majewski <l.majewski@...sung.com>,
	Heiko Stuebner <heiko@...ech.de>,
	Chanwoo Choi <cw00.choi@...sung.com>,
	Kevin Hilman <khilman@...aro.org>,
	Javier Martinez Canillas <javier@....samsung.com>,
	Tobias Jakobi <tjakobi@...h.uni-bielefeld.de>,
	Anand Moon <linux.amoon@...il.com>,
	linux-samsung-soc@...r.kernel.org, linux-pm@...r.kernel.org,
	linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org,
	b.zolnierkie@...sung.com
Subject: [PATCH v5 0/7] cpufreq: add generic cpufreq driver support for
 Exynos542x/5800 platforms

Hi,

This patch series adds generic cpufreq-dt driver support for
Exynos542x/5800 (using the new CPU clock type which allows it).

It has been tested on Exynos5422 based ODROID-XU3 Lite board.

Depends on:
- next-20151124 branch of linux-next kernel tree

Changes since v4:
- renamed oppXX@hz to opp@hz
- put Odroid changes in exynos5422-odroidxu3-common.dtsi
- override CPU OPP properties for Exynos5422/5800 instead of
  duplicating them
- merged "ARM: dts: Exynos5422: fix OPP tables" patch with
  "ARM: dts: Exynos5420: add CPU OPP properties" one
- added missing Thomas' SoB line to "ARM: dts: Exynos5420:
  add CPU OPP properties" patch
- updated authorship of "ARM: Exynos: use generic cpufreq
  driver for Exynos5420" and "ARM: Exynos: use generic
  cpufreq driver for Exynos5422/5800" patches
- updated Javier's and Mike's e-mail adresses
- removed non-working e-mail address of Sachin Kamat

Changes since v3:
- switched to using cpufreq-dt driver
- updated patch descriptions to cover Exynos5422 support
- added Acked-by from Sylwester to clock driver patches

Changes since v2:
- ported over next-20151124 branch
- integrated missing CLK_RECALC_NEW_RATES flags fix to patch #3
  (from Anand Moon)
- added regulator supply properties for ODROID-XU3 Lite and
  ODROID-XU4 in patch #2
- ported CPU OPPs to operating-points-v2 (from Ben Gamari)
- added "ARM: dts: Exynos5422: fix OPP tables" patch (from Ben
  Gamari)
- added "cpufreq: arm-big-little: accept operating-points-v2
  nodes" patch (from Ben Gamari)
- renamed OPP nodes as opp@<opp-hz>

Changes since v1:
- added CPU cluster regulator supply properties to
  exynos5420-arndale-octa.dts, exynos5420-peach-pit.dts,
  exynos5420-smdk5420.dts and exynos5800-peach-pi.dts

Changes over Thomas' original v12 code:
- split Exynos5420 and Exynos5800 support
- moved E5420_[EGL,KFC]_DIV0() macros to clk-exynos5420.c
- disabled cpufreq if big.LITTLE switcher support is enabled
- enhanced arm_big_little[_dt] driver with CPU cluster regulator
  support
- fixed CPU clock configuration data for Exynos5800
- fixed CPU operating points setup for Exynos5800
- added CPU cluster regulator supplies for ODROID-XU3 board

Best regards,
--
Bartlomiej Zolnierkiewicz
Samsung R&D Institute Poland
Samsung Electronics


Bartlomiej Zolnierkiewicz (5):
  ARM: dts: Exynos542x/5800: add cluster regulator supply properties
  ARM: Exynos: use generic cpufreq driver for Exynos5420
  clk: samsung: exynos5422/5800: fix cpu clock configuration data
  ARM: dts: Exynos5800: fix CPU OPP
  ARM: Exynos: use generic cpufreq driver for Exynos5422/5800

Thomas Abraham (2):
  clk: samsung: exynos5420: add cpu clock configuration data and
    instantiate cpu clock
  ARM: dts: Exynos542x/5800: add CPU OPP properties

 arch/arm/boot/dts/exynos5420-arndale-octa.dts      |   8 ++
 arch/arm/boot/dts/exynos5420-peach-pit.dts         |   8 ++
 arch/arm/boot/dts/exynos5420-smdk5420.dts          |   8 ++
 arch/arm/boot/dts/exynos5420.dtsi                  | 122 +++++++++++++++++++++
 arch/arm/boot/dts/exynos5422-cpus.dtsi             |  10 ++
 arch/arm/boot/dts/exynos5422-odroidxu3-common.dtsi |   8 ++
 arch/arm/boot/dts/exynos5800-peach-pi.dts          |   8 ++
 arch/arm/boot/dts/exynos5800.dtsi                  | 108 ++++++++++++++++++
 arch/arm/mach-exynos/exynos.c                      |   4 +
 drivers/clk/samsung/clk-exynos5420.c               |  88 ++++++++++++++-
 include/dt-bindings/clock/exynos5420.h             |   2 +
 11 files changed, 372 insertions(+), 2 deletions(-)

-- 
1.9.1

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