From: Dave Gerlach <d-gerlach-l0cyMroinI0@public.gmane.org>
To: linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
linux-arm-kernel-IAPFreCvJWM7uuMidbF8XUB+6BGkLq7r@public.gmane.org,
linux-omap-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
linux-pm-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
devicetree-u79uwXL29TY76Z2rM5mHXA@public.gmane.org
Cc: Viresh Kumar
<viresh.kumar-QSEj5FYQhm4dnm+yROfE0A@public.gmane.org>,
Rob Herring <robh+dt-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org>,
"Rafael J . Wysocki"
<rjw-LthD3rsA81gm4RdzfppkhA@public.gmane.org>,
Tony Lindgren <tony-4v6yS6AI5VpBDgjK7y7TUQ@public.gmane.org>,
Mark Rutland <mark.rutland-5wv7dgnIgG8@public.gmane.org>,
Nishanth Menon <nm-l0cyMroinI0@public.gmane.org>,
Dave Gerlach <d-gerlach-l0cyMroinI0@public.gmane.org>,
Yegor Yefremov
<yegorslists-gM/Ye1E23mwN+BqQ9rBEUg@public.gmane.org>
Subject: [PATCH 0/2] cpufreq: Introduce TI CPUFreq/OPP Driver
Date: Wed, 18 May 2016 18:30:24 -0500 [thread overview]
Message-ID: <cover.1463609497.git.d-gerlach@ti.com> (raw)
Hi,
This series introduces the ti-cpufreq driver which parses SoC data and
provides opp-supported-hw data to the OPP core in order to enable the
proper OPPs for the silicon in use. It still relies on the cpufreq-dt
driver to actually provide cpufreq and creates the "cpufreq-dt" platform
driver after it probes as the sti-cpufreq driver does.
This series will add support for am335x, am437x, dra7xx, and am57xx
platforms, otherwise other TI devices will rely on the recently introduced
cpufreq-dt-platdev code [1] to create the cpufreq-dt device. This means
that the aforementioned platforms do *not* need to be added to
cpufreq-dt-platdev. DTS patches for the above platforms are being sent in
a separate series right after this one. Even without merging the DTS series,
this series will not break backwards compatibility for those platforms above
that already have operating-points v1 tables as the ti-cpufreq driver
fails through and creates the cpufreq-dt platform device if no
operating-points-v2 table is found.
This series is based on linux-next next-20160517 tag, it depends on [2] which
drops the default creation of the cpufreq-dt device from omap platform code,
otherwise we'd end up with a duplicate because this driver creates it also.
Regards,
Dave
[1] http://permalink.gmane.org/gmane.linux.power-management.general/73887
[2] http://permalink.gmane.org/gmane.linux.power-management.general/75215
Dave Gerlach (2):
Documentation: dt: add bindings for ti-cpufreq
cpufreq: ti: Add cpufreq driver to determine available OPPs at runtime
.../devicetree/bindings/cpufreq/ti-cpufreq.txt | 89 ++++++++
drivers/cpufreq/Kconfig.arm | 11 +
drivers/cpufreq/Makefile | 1 +
drivers/cpufreq/ti-cpufreq.c | 254 +++++++++++++++++++++
4 files changed, 355 insertions(+)
create mode 100644 Documentation/devicetree/bindings/cpufreq/ti-cpufreq.txt
create mode 100644 drivers/cpufreq/ti-cpufreq.c
--
2.7.3
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next reply other threads:[~2016-05-18 23:30 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-05-18 23:30 Dave Gerlach [this message]
2016-05-18 23:30 ` [PATCH 1/2] Documentation: dt: add bindings for ti-cpufreq Dave Gerlach
2016-05-19 3:15 ` Viresh Kumar
2016-05-19 18:35 ` Dave Gerlach
2016-06-01 21:12 ` Dave Gerlach
2016-05-18 23:30 ` [PATCH 2/2] cpufreq: ti: Add cpufreq driver to determine available OPPs at runtime Dave Gerlach
2016-05-19 4:39 ` Viresh Kumar
2016-05-19 18:33 ` Dave Gerlach
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