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From:   Lukasz Luba <l.luba@partner.samsung.com>
To:     devicetree@vger.kernel.org, linux-kernel@vger.kernel.org,
        linux-pm@vger.kernel.org, linux-samsung-soc@vger.kernel.org
Cc:     b.zolnierkie@samsung.com, krzk@kernel.org, kgene@kernel.org,
        cw00.choi@samsung.com, kyungmin.park@samsung.com,
        m.szyprowski@samsung.com, s.nawrocki@samsung.com,
        myungjoo.ham@samsung.com, Lukasz Luba <l.luba@partner.samsung.com>
Subject: [PATCH v5 0/8] Exynos5 Dynamic Memory Controller driver
Date:   Tue,  5 Mar 2019 11:19:03 +0100
Message-Id: <1551781151-5562-1-git-send-email-l.luba@partner.samsung.com>
Content-Type: text/plain; charset="utf-8"
CMS-TYPE: 201P
References: <CGME20190305101924eucas1p24a058fcc034cc95bc33888087412ab48@eucas1p2.samsung.com>
Sender: linux-kernel-owner@vger.kernel.org
Precedence: bulk

Hi all,

This is v5 of the patch set which adds support of Dynamic Memory Controller
for Exynos5422 SoC.
The driver supports Dynamic Voltage and Frequency Scalling
for the DMC and DRAM. It also provides needed timings for different
speed operations of the DRAM memory.

changes:
v5:
- removed unneeded wrapper functions i.e. for regulator_set_voltage
- removed unused defines
- removed direct access to clock register base and used CCF for
  pause and timing set usage
- switched to OPP coming from DT according to Chanowoo's comments
- switched to timings coming from DT, added parsing function
- extended dt-binding with description of OPPs and timings
- according to Rob Herring comment, moved dt-binding file before driver code
  in the patch set.
- re-based on top of v5.0
v4:
- removed unneeded DPLL and G3D clocks IDs
- changed names of parent clocks for mout_mx_mspll_ccore_phy_p
  and added one more parent: mout_sclk_epll
- removed 933Mhz and 138MHz from the BPLL ratio table
v3:
- in DTS align to proper indent the clocks and clock-names entries
v2:
- changed file name exynos5-dmc.c -> exynos5422-dmc.c
  and related entries in other files
- changed dt-binding file name
- changed config entry to CONFIG_ARM_EXYNOS5422_DMC_DEVFREQ
- removed sysfs and print info messages (print only one line)
- removed function exynos5_read_chip_info and compact code
- changed dt-binding patch and move it up in the patch set
- new entries in MAINTAINERS are added with the driver c code
- clean-up in DTS file: renamed nodes to 'ppmu' and 'memory-controller',
  entries moved to suggested location (before nocp nodes or after),
  moved according to alfabetical order, compacted clocks names with right indent.

Regards,
Lukasz Luba


Lukasz Luba (8):
  clk: samsung: add needed IDs for DMC clocks in Exynos5420
  clk: samsung: add new clocks for DMC for Exynos5422 SoC
  clk: samsung: add BPLL rate table for Exynos 5422 SoC
  dt-bindings: devfreq: add Exynos5422 DMC device description
  drivers: devfreq: add DMC driver for Exynos5422
  DT: arm: exynos: add DMC device for exynos5422
  drivers: devfreq: events: add Exynos PPMU new events
  ARM: exynos_defconfig: enable DMC driver

 .../devicetree/bindings/devfreq/exynos5422-dmc.txt |  177 +++
 MAINTAINERS                                        |    8 +
 arch/arm/boot/dts/exynos5420.dtsi                  |   83 ++
 arch/arm/boot/dts/exynos5422-odroid-core.dtsi      |   87 ++
 arch/arm/configs/exynos_defconfig                  |    1 +
 drivers/clk/samsung/clk-exynos5420.c               |   67 +-
 drivers/devfreq/Kconfig                            |   13 +
 drivers/devfreq/Makefile                           |    1 +
 drivers/devfreq/event/exynos-ppmu.c                |    6 +
 drivers/devfreq/exynos5422-dmc.c                   | 1154 ++++++++++++++++++++
 include/dt-bindings/clock/exynos5420.h             |   18 +-
 11 files changed, 1609 insertions(+), 6 deletions(-)
 create mode 100644 Documentation/devicetree/bindings/devfreq/exynos5422-dmc.txt
 create mode 100644 drivers/devfreq/exynos5422-dmc.c

-- 
2.7.4