[RFC 0/4] Add basic support for ASV
tomasz.figa at gmail.com
Thu Nov 14 10:06:33 EST 2013
On Monday 11 of November 2013 23:27:08 Yadwinder Singh Brar wrote:
> gentle ping for suggestions/reviews ..
Hmm, I must have somehow missed this series when you orignally sent it.
Can I ask you to resend it, as I don't have it in my e-mail client archive
While at it, I would also ask you to add my private e-mail address
(this one) and linux-pm mailing list to Cc list.
Thanks in advance.
> On Wed, Sep 11, 2013 at 8:14 PM, Yadwinder Singh Brar
> <yadi.brar at samsung.com> wrote:
> > This series is to add basic common infrastructure for ASV.
> > Basically ASV is a technique used on samsung SoCs, which provides the
> > recommended supply voltage for dvfs of arm, mif etc. For a given operating
> > frequency, the voltage is recommended based on SoC's ASV group.
> > ASV group gets fussed on SoCs during process of mass production.
> > This series includes:
> > - basic common infrastructue for ASV. It provides common APIs for user drivers
> > like cpufreq & devfreq and and an interface for SoC specific drivers to
> > register ASV members(instances)
> > - a common platform driver to register ASV members for exynos SoCs
> > - an example providing minimal support (only for ARM ASV) for exynos5250 chips
> > Its just basic skelton which I wanted to get it reviewed or discussed in
> > early stage, before going ahead on further development based on it.
> > Presently example is based on static ASV table provided in SoC specific file,
> > which I expects to go into DT. But exactly how and where needs to be discussed,
> > may be in next revisions once we get through the basic skelton.
> > Also the location of driver in kernel may also seem odd to someone and
> > many more things :).
> > Looking for your valuable reviews and suggestions.
> > Thanks
> > Yadwinder Singh Brar (4):
> > power: asv: Add common ASV support for samsung SoCs
> > power: asv: Add a common asv driver for exynos SoCs.
> > power: asv: Add support for exynos5250
> > arm: exynos5: Register static platform device for ASV.
> > arch/arm/mach-exynos/mach-exynos5-dt.c | 3 +
> > drivers/power/Kconfig | 1 +
> > drivers/power/Makefile | 1 +
> > drivers/power/asv/Kconfig | 24 ++++
> > drivers/power/asv/Makefile | 2 +
> > drivers/power/asv/exynos-asv.c | 81 ++++++++++++++
> > drivers/power/asv/exynos-asv.h | 22 ++++
> > drivers/power/asv/exynos5250-asv.c | 141 ++++++++++++++++++++++++
> > drivers/power/asv/samsung-asv.c | 175 ++++++++++++++++++++++++++++++
> > include/linux/power/samsung-asv-driver.h | 61 +++++++++++
> > include/linux/power/samsung-asv.h | 37 +++++++
> > 11 files changed, 548 insertions(+), 0 deletions(-)
> > create mode 100644 drivers/power/asv/Kconfig
> > create mode 100644 drivers/power/asv/Makefile
> > create mode 100644 drivers/power/asv/exynos-asv.c
> > create mode 100644 drivers/power/asv/exynos-asv.h
> > create mode 100644 drivers/power/asv/exynos5250-asv.c
> > create mode 100644 drivers/power/asv/samsung-asv.c
> > create mode 100644 include/linux/power/samsung-asv-driver.h
> > create mode 100644 include/linux/power/samsung-asv.h
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