Re: [PATCH V4 00/30] thermal: exynos: Add thermal driver for exynos5440

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Hi Eduardo,

On Wed, May 15, 2013 at 8:14 PM, Eduardo Valentin
<eduardo.valentin@xxxxxx> wrote:
> On 14-05-2013 05:58, Amit Daniel Kachhap wrote:
>> Changes in V4:
>>  Almost all the changes in this version is as per suggestion from Eduardo.The
>>  major ones are listed below,
>> * Added kconfig symbol ARCH_HAS_TMU which needs to be enabled by platform. With
>>   this change existing symbol EXYNOS_TMU_DATA is not needed.
>
> I was more thinking if we could have a single flag that we could use in
> thermal drivers. Besides, my proposal for ARCH_HAS_BANDGAP is still not
> merged yet.

yes a single flag might be useful such as ARCH_HAS_THERMAL but this
patch can work as an intermediate solution.

Thanks,
Amit Daniel
>
>> * Movement of freq_clip_table from exynos_tmu.h to exynos_thermal_common.h is
>>   explained in the commit logs.
>> * Wrote all register description documentation.
>> * Split 5440 TMU support patch into controller change, configuration data and
>>   feature addition patches.
>> * Remove all *LINUX_* in the header files.
>> * Still regulator enable is kept optional but a TODO: comment is added to fix
>>   it later.
>>
>> Changes in V3:
>> * Added proper dependency of different exynos thermal Kconfig symbols. Basically 3
>>  Kconfig can be enabled now and corresponds to tmu driver. exynos common part
>>  and exynos configuration data. This issue was raised by Rui Zhang.
>>
>> Changes in V2:
>> * Separated SOC data from TMU driver. This is as per suggestion from Eduardo.
>> * Merged the new file created for exynos5440 TMU controller with the existing
>>  TMU controller code.
>> * Removed the DT parsing code as now the SOC specific data are cleanly put
>>  inside the data specific file.
>> * Even the register definations/bitfields are treated as data as there is
>>  some variation across SOC's.
>>
>> This patchset adds TMU(Thermal management Unit) driver support for
>> exynos5440 platform. There are 3 instances of the TMU controllers so
>> necessary cleanup/re-structure is done to handle multiple thermal zone.
>>
>> Patch (exynos4: Add documentation for Exynos SoC thermal bindings) from
>> Lukasz Majewski is already posted to mainline. Adding it here for completeness.
>> (http://www.mail-archive.com/linux-samsung-soc@xxxxxxxxxxxxxxx/msg17817.html)
>>
>> Patch (thermal: exynos: Support thermal tripping ) from Jonghwan Choi is
>> added here with some changes.
>> (https://patchwork.kernel.org/patch/1668371/)
>>
>> Patch (thermal: exynos: Support for TMU regulator defined at device tree)
>> is a repost of my earlier patch(https://patchwork-mail1.kernel.org/patch/2510771/)
>> and adds regulator support.
>>
>> Patch (ARM: dts: Add device tree node for exynos5440 TMU controller) and
>> patch (arm: exynos: enable ARCH_HAS_TMU) can be merged through exynos platform
>> maintainer as this can cause merge conflict.
>>
>> All these patches are based on thermal maintainers git tree,
>> git://git.kernel.org/pub/scm/linux/kernel/git/rzhang/linux.git next.
>>
>> Amit Daniel Kachhap (29):
>>   thermal: exynos: Moving exynos thermal files into samsung directory
>>   thermal: exynos: Add ARCH_HAS_TMU config to know the supported soc's
>>   thermal: exynos: Remove CPU_THERMAL dependency for using TMU driver
>>   thermal: exynos: Bifurcate exynos thermal common and tmu controller
>>     code
>>   thermal: exynos: Rename exynos_thermal.c to exynos_tmu.c
>>   thermal: exynos: Move exynos_thermal.h from include/* to driver/*
>>     folder
>>   thermal: exynos: Bifurcate exynos tmu driver and configuration data
>>   thermal: exynos: Add missing definations and code cleanup
>>   thermal: exynos: Add extra entries in the tmu platform data
>>   thermal: exynos: Support thermal tripping
>>   thermal: exynos: Move register definitions from driver file to data
>>     file
>>   thermal: exynos: Fix to clear only the generated interrupts
>>   thermal: exynos: Add support for instance based register/unregister
>>   thermal: exynos: Modify private_data to appropriate name driver_data
>>   thermal: exynos: Return success even if no cooling data supplied
>>   thermal: exynos: Make the zone handling dependent on trip count
>>   thermal: exynos: Add support to handle many instances of TMU
>>   thermal: exynos: Add TMU features to check instead of using SOC type
>>   thermal: exynos: use device resource management infrastructure
>>   thermal: exynos: Add support to access common register for
>>     multistance
>>   thermal: exynos: Add support for exynos5440 TMU sensor.
>>   thermal: exynos: Fix to set the second point correction value
>>     properly
>>   thermal: exynos: Add thermal configuration data for exynos5440 TMU
>>     sensor
>>   thermal: exynos: Add a compensation logic on swapped e-fuse values
>>   thermal: exynos: Add hardware mode thermal calibration support
>>   Documentation: thermal: Explain the exynos thermal driver model
>>   thermal: exynos: Support for TMU regulator defined at device tree
>>   ARM: dts: Add device tree node for exynos5440 TMU controller
>>   arm: exynos: enable ARCH_HAS_TMU
>>
>> Lukasz Majewski (1):
>>   ARM: dts: thermal: exynos4: Add documentation for Exynos SoC thermal
>>     bindings
>>
>>  .../devicetree/bindings/thermal/exynos-thermal.txt |   53 +
>>  Documentation/thermal/exynos_thermal               |   43 +-
>>  arch/arm/boot/dts/exynos5440.dtsi                  |   30 +
>>  arch/arm/mach-exynos/Kconfig                       |    5 +
>>  drivers/thermal/Kconfig                            |   13 +-
>>  drivers/thermal/Makefile                           |    2 +-
>>  drivers/thermal/exynos_thermal.c                   | 1066 --------------------
>>  drivers/thermal/samsung/Kconfig                    |   21 +
>>  drivers/thermal/samsung/Makefile                   |    7 +
>>  drivers/thermal/samsung/exynos_thermal_common.c    |  407 ++++++++
>>  drivers/thermal/samsung/exynos_thermal_common.h    |   98 ++
>>  drivers/thermal/samsung/exynos_tmu.c               |  741 ++++++++++++++
>>  drivers/thermal/samsung/exynos_tmu.h               |  294 ++++++
>>  drivers/thermal/samsung/exynos_tmu_data.c          |  225 ++++
>>  drivers/thermal/samsung/exynos_tmu_data.h          |  155 +++
>>  include/linux/platform_data/exynos_thermal.h       |  119 ---
>>  16 files changed, 2076 insertions(+), 1203 deletions(-)
>>  create mode 100644 Documentation/devicetree/bindings/thermal/exynos-thermal.txt
>>  delete mode 100644 drivers/thermal/exynos_thermal.c
>>  create mode 100644 drivers/thermal/samsung/Kconfig
>>  create mode 100644 drivers/thermal/samsung/Makefile
>>  create mode 100644 drivers/thermal/samsung/exynos_thermal_common.c
>>  create mode 100644 drivers/thermal/samsung/exynos_thermal_common.h
>>  create mode 100644 drivers/thermal/samsung/exynos_tmu.c
>>  create mode 100644 drivers/thermal/samsung/exynos_tmu.h
>>  create mode 100644 drivers/thermal/samsung/exynos_tmu_data.c
>>  create mode 100644 drivers/thermal/samsung/exynos_tmu_data.h
>>  delete mode 100644 include/linux/platform_data/exynos_thermal.h
>>
>>
>>
>
>
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