Re: [PATCH V4 00/30] thermal: exynos: Add thermal driver for exynos5440
From: amit daniel kachhap
Date: Tue Jun 04 2013 - 00:55:11 EST
On Wed, May 15, 2013 at 8:14 PM, Eduardo Valentin
> 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.
>> * 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.
>> Patch (thermal: exynos: Support thermal tripping ) from Jonghwan Choi is
>> added here with some changes.
>> 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
>> thermal: exynos: Rename exynos_thermal.c to exynos_tmu.c
>> thermal: exynos: Move exynos_thermal.h from include/* to driver/*
>> 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
>> 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
>> thermal: exynos: Add support for exynos5440 TMU sensor.
>> thermal: exynos: Fix to set the second point correction value
>> thermal: exynos: Add thermal configuration data for exynos5440 TMU
>> 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
>> .../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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