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git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc
Pull ARM SoC power management and clock changes from Olof Johansson:
"This branch contains a largeish set of updates of power management and
clock setup. The bulk of it is for OMAP/AM33xx platforms, but also a
few around hotplug/suspend/resume on Exynos.
It includes a split-up of some of the OMAP clock data into separate
files which adds to the diffstat, but gross delta is fairly reasonable."
* tag 'pm-merge' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (60 commits)
ARM: OMAP: Move plat-omap/dma-omap.h to include/linux/omap-dma.h
ASoC: OMAP: mcbsp fixes for enabling ARM multiplatform support
watchdog: OMAP: fixup for ARM multiplatform support
ARM: EXYNOS: Add flush_cache_all in suspend finisher
ARM: EXYNOS: Remove scu_enable from cpuidle
ARM: EXYNOS: Fix soft reboot hang after suspend/resume
ARM: EXYNOS: Add support for rtc wakeup
ARM: EXYNOS: fix the hotplug for Cortex-A15
ARM: OMAP2+: omap_device: Correct resource handling for DT boot
ARM: OMAP2+: hwmod: Add possibility to count hwmod resources based on type
ARM: OMAP2+: hwmod: Add support for per hwmod/module context lost count
ARM: OMAP2+: PRM: initialize some PRM functions early
ARM: OMAP2+: voltage: fixup oscillator handling when CONFIG_PM=n
ARM: OMAP4: USB: power down MUSB PHY during boot
ARM: OMAP2+: clock: Cleanup !CONFIG_COMMON_CLK parts
ARM: OMAP2xxx: clock: drop obsolete clock data
ARM: OMAP2: clock: Cleanup !CONFIG_COMMON_CLK parts
ARM: OMAP3+: DPLL: drop !CONFIG_COMMON_CLK sections
ARM: AM33xx: clock: drop obsolete clock data
ARM: OMAP3xxx: clk: drop obsolete clock data
...
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Another smaller branch merged into next/pm before pull request.
Signed-off-by: Olof Johansson <olof@lixom.net>
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git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap into next/pm2
From Tony Lindgren:
Remaining patches to allow omap2+ to build with multiplatform
enabled. Unfortunately the DMA header patch had to be redone
to avoid adding new multiplatform specific include paths, the
other patches are just trivial compile fixes.
Note that this does not yet contain the necessary Kconfig
changes as we are still waiting for some drivers to get
fixed up first.
* tag 'tags/omap-for-v3.8/cleanup-multiplatform-no-clock-signed' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap:
ARM: OMAP: Move plat-omap/dma-omap.h to include/linux/omap-dma.h
ASoC: OMAP: mcbsp fixes for enabling ARM multiplatform support
watchdog: OMAP: fixup for ARM multiplatform support
Conflicts due to surrounding changes in:
arch/arm/mach-omap2/omap_hwmod_2420_data.c
arch/arm/mach-omap2/omap_hwmod_2430_data.c
Signed-off-by: Olof Johansson <olof@lixom.net>
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Based on earlier discussions[1] we attempted to find a suitable
location for the omap DMA header in commit 2b6c4e73 (ARM: OMAP:
DMA: Move plat/dma.h to plat-omap/dma-omap.h) until the conversion
to dmaengine is complete.
Unfortunately that was before I was able to try to test compile
of the ARM multiplatform builds for omap2+, and the end result
was not very good.
So I'm creating yet another all over the place patch to cut the
last dependency for building omap2+ for ARM multiplatform. After
this, we have finally removed the driver dependencies to the
arch/arm code, except for few drivers that are being worked on.
The other option was to make the <plat-omap/dma-omap.h> path
to work, but we'd have to add some new header directory to for
multiplatform builds.
Or we would have to manually include arch/arm/plat-omap/include
again from arch/arm/Makefile for omap2+.
Neither of these alternatives sound appealing as they will
likely lead addition of various other headers exposed to the
drivers, which we want to avoid for the multiplatform kernels.
Since we already have a minimal include/linux/omap-dma.h,
let's just use that instead and add a note to it to not
use the custom omap DMA functions any longer where possible.
Note that converting omap DMA to dmaengine depends on
dmaengine supporting automatically incrementing the FIFO
address at the device end, and converting all the remaining
legacy drivers. So it's going to be few more merge windows.
[1] https://patchwork.kernel.org/patch/1519591/#
cc: Russell King <linux@arm.linux.org.uk>
cc: Kevin Hilman <khilman@ti.com>
cc: "Benoît Cousson" <b-cousson@ti.com>
cc: Herbert Xu <herbert@gondor.apana.org.au>
cc: "David S. Miller" <davem@davemloft.net>
cc: Vinod Koul <vinod.koul@intel.com>
cc: Dan Williams <djbw@fb.com>
cc: Mauro Carvalho Chehab <mchehab@infradead.org>
cc: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
cc: Guennadi Liakhovetski <g.liakhovetski@gmx.de>
cc: David Woodhouse <dwmw2@infradead.org>
cc: Kyungmin Park <kyungmin.park@samsung.com>
cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
cc: Tomi Valkeinen <tomi.valkeinen@ti.com>
cc: Florian Tobias Schandinat <FlorianSchandinat@gmx.de>
cc: Hans Verkuil <hans.verkuil@cisco.com>
cc: Vaibhav Hiremath <hvaibhav@ti.com>
cc: Lokesh Vutla <lokeshvutla@ti.com>
cc: Rusty Russell <rusty@rustcorp.com.au>
cc: Artem Bityutskiy <artem.bityutskiy@linux.intel.com>
cc: Afzal Mohammed <afzal@ti.com>
cc: linux-crypto@vger.kernel.org
cc: linux-media@vger.kernel.org
cc: linux-mtd@lists.infradead.org
cc: linux-usb@vger.kernel.org
cc: linux-fbdev@vger.kernel.org
Acked-by: Felipe Balbi <balbi@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
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omap-for-v3.8/cleanup-headers-prepare-multiplatform-v3
omap prcm changes via Paul Walmsley <paul@pwsan.com>:
Some miscellaneous OMAP hwmod changes for 3.8, along with a PRM
change needed for one of the hwmod patches to function.
Basic test logs for this branch on top of Tony's
omap-for-v3.8/clock branch at commit
558a0780b0a04862a678f7823215424b4e5501f9 are here:
http://www.pwsan.com/omap/testlogs/hwmod_devel_a_3.8/20121121161522/
However, omap-for-v3.8/clock at 558a0780 does not include some fixes
that are needed for a successful test. With several reverts,
fixes, and workarounds applied, the following test logs were
obtained:
http://www.pwsan.com/omap/testlogs/TEST_hwmod_devel_a_3.8/20121121162719/
which indicate that the series tests cleanly.
Conflicts:
arch/arm/mach-omap2/cm33xx.c
arch/arm/mach-omap2/io.c
arch/arm/mach-omap2/prm_common.c
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git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap into next/pm2
From Tony Lindgren:
omap prcm changes via Paul Walmsley <paul@pwsan.com>:
Some miscellaneous OMAP hwmod changes for 3.8, along with a PRM
change needed for one of the hwmod patches to function.
Basic test logs for this branch on top of Tony's
omap-for-v3.8/clock branch at commit
558a0780b0a04862a678f7823215424b4e5501f9 are here:
http://www.pwsan.com/omap/testlogs/hwmod_devel_a_3.8/20121121161522/
However, omap-for-v3.8/clock at 558a0780 does not include some fixes
that are needed for a successful test. With several reverts,
fixes, and workarounds applied, the following test logs were
obtained:
http://www.pwsan.com/omap/testlogs/TEST_hwmod_devel_a_3.8/20121121162719/
which indicate that the series tests cleanly.
* tag 'omap-for-v3.8/devel-prcm-signed' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap: (49 commits)
ARM: OMAP2+: omap_device: Correct resource handling for DT boot
ARM: OMAP2+: hwmod: Add possibility to count hwmod resources based on type
ARM: OMAP2+: hwmod: Add support for per hwmod/module context lost count
ARM: OMAP2+: PRM: initialize some PRM functions early
ARM: OMAP2+: clock: Cleanup !CONFIG_COMMON_CLK parts
ARM: OMAP2xxx: clock: drop obsolete clock data
ARM: OMAP2: clock: Cleanup !CONFIG_COMMON_CLK parts
ARM: OMAP3+: DPLL: drop !CONFIG_COMMON_CLK sections
ARM: AM33xx: clock: drop obsolete clock data
ARM: OMAP3xxx: clk: drop obsolete clock data
ARM: OMAP3: clock: Cleanup !CONFIG_COMMON_CLK parts
ARM: OMAP44xx: clock: drop obsolete clock data
ARM: OMAP4: clock: Cleanup !CONFIG_COMMON_CLK parts
ARM: OMAP: hwmod: Cleanup !CONFIG_COMMON_CLK parts
ARM: OMAP: clock: Switch to COMMON clk
ARM: OMAP2: clock: Add 24xx data using common struct clk
ARM: OMAP3: clock: Add 3xxx data using common struct clk
ARM: AM33XX: clock: add clock data in common clock format
ARM: OMAP4: clock: Add 44xx data using common struct clk
ARM: OMAP2+: clock: add OMAP CCF convenience macros to mach-omap2/clock.h
...
Some context conflicts due to nearby changes resolved in
arch/arm/mach-omap2/io.c.
Signed-off-by: Olof Johansson <olof@lixom.net>
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When booting with DT the OF core can fill up the resources provided within
the DT blob.
The current way of handling the DT boot prevents us from removing hwmod data
for platforms only suppose to boot with DT (OMAP5 for example) since we need
to keep the whole hwmod database intact in order to have more resources in
hwmod than in DT (to be able to append the DMA resource from hwmod).
To fix this issue we just examine the OF provided resources:
If we do not have resources we use hwmod to fill them.
If we have resources we check if we already able to recive DMA resource, if
no we only append the DMA resurce from hwmod to the OF provided ones.
In this way we can start removing hwmod data for devices which have their
resources correctly configured in DT without regressions.
Signed-off-by: Peter Ujfalusi <peter.ujfalusi@ti.com>
Acked-by: Benoît Cousson <b-cousson@ti.com>
[paul@pwsan.com: fixed checkpatch problem; updated to apply]
Signed-off-by: Paul Walmsley <paul@pwsan.com>
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Add flags parameter for omap_hwmod_count_resources() so users can tell which
type of resources they are interested when counting them in hwmod database.
Signed-off-by: Peter Ujfalusi <peter.ujfalusi@ti.com>
Acked-by: Benoît Cousson <b-cousson@ti.com>
[paul@pwsan.com: updated to apply]
Signed-off-by: Paul Walmsley <paul@pwsan.com>
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OMAP4 has module specific context lost registers which makes it now
possible to have module level context loss count, instead of relying
on the powerdomain level context count.
Add 2 private hwmod api's to update/clear the hwmod/module specific
context lost counters/register.
Update the module specific context_lost_counter and clear the hardware
bits just after enabling the module.
omap_hwmod_get_context_loss_count() now returns the hwmod context loss
count them on platforms where they exist (OMAP4), else fall back on
the pwrdm level counters for older platforms.
Signed-off-by: Rajendra Nayak <rnayak@ti.com>
[paul@pwsan.com: added function kerneldoc, fixed structure kerneldoc,
rearranged structure to avoid memory waste, marked fns as OMAP4-specific,
prevent fn entry on non-OMAP4 chips, reduced indentation, merged update
and clear, merged patches]
[t-kristo@ti.com: added support for arch specific hwmod ops, and changed
the no context offset indicator to USHRT_MAX]
Signed-off-by: Tero Kristo <t-kristo@ti.com>
[paul@pwsan.com: use NO_CONTEXT_LOSS_BIT flag rather than USHRT_MAX;
convert unsigned context lost counter to int to match the return type;
get rid of hwmod_ops in favor of the existing soc_ops mechanism;
move context loss low-level accesses to the PRM code]
Signed-off-by: Paul Walmsley <paul@pwsan.com>
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Some PRM functions will need to be called by the hwmod code early in
kernel init. To handle this, split the PRM initialization code into
early and late phases. The early init is handled via mach-omap2/io.c,
while the late init is handled by subsys_initcall().
Signed-off-by: Paul Walmsley <paul@pwsan.com>
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By Lee Jones (42) and others
via Olof Johansson (13) and others
* next/dt: (249 commits)
ARM: ux500: Rename dbx500 cpufreq code to be more generic
ARM: dts: add missing ux500 device trees
ARM: ux500: Stop registering the PCM driver from platform code
ARM: ux500: Move board specific GPIO info out to subordinate DTS files
ARM: ux500: Disable the MMCI gpio-regulator by default
ARM: Kirkwood: remove kirkwood_ehci_init() from new boards
ARM: Kirkwood: Add support LED of OpenBlocks A6
ARM: Kirkwood: Convert to EHCI via DT for OpenBlocks A6
ARM: kirkwood: Add NAND partiton map for OpenBlocks A6
ARM: kirkwood: Add support second I2C bus and RTC on OpenBlocks A6
ARM: kirkwood: Add support DT of second I2C bus
ARM: kirkwood: Convert mplcec4 board to pinctrl
ARM: Kirkwood: Convert km_kirkwood to pinctrl
ARM: Kirkwood: support 98DX412x kirkwoods with pinctrl
ARM: Kirkwood: Convert IX2-200 to pinctrl.
ARM: Kirkwood: Convert lsxl boards to pinctrl.
ARM: Kirkwood: Convert ib62x0 to pinctrl.
ARM: Kirkwood: Convert GoFlex Net to pinctrl.
ARM: Kirkwood: Convert dreamplug to pinctrl.
ARM: Kirkwood: Convert dockstar to pinctrl.
...
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Merge together a couple of the smaller pm/clock branches into one.
Signed-off-by: Olof Johansson <olof@lixom.net>
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git://git.kernel.org/pub/scm/linux/kernel/git/pjw/omap-pending into omap-for-v3.8/clock
Convert the OMAP2+ clock code and data to rely on the common
clock framework for internal bookkeeping and the driver API.
Basic test logs for this branch on top of Tony's cleanup-prcm branch
at commit c9d501e5cb0238910337213e12a09127221c35d8 are here:
http://www.pwsan.com/omap/testlogs/common_clk_devel_3.8_rebase/20121112192516/
However, cleanup-prcm at c9d501e5 does not include some fixes
that are needed for a successful test. With several reverts,
fixes, and workarounds applied, the following test logs were
obtained:
http://www.pwsan.com/omap/testlogs/TEST_common_clk_devel_3.8_rebase/20121112192300/
which indicate that the series tests cleanly.
N.B. The common clock data addition patches result in many
checkpatch warnings of the form "WARNING: static const char *
array should probably be static const char * const". However, it
appears that resolving these would require changes to the CCF
itself. So the resolution of these warnings is being postponed
until that can be coordinated.
These patches result in a ~55KiB increase in runtime kernel memory
usage when booting omap2plus_defconfig kernels.
Conflicts:
arch/arm/mach-omap2/clock33xx_data.c
arch/arm/mach-omap2/clock3xxx_data.c
arch/arm/mach-omap2/clock44xx_data.c
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Clean all #ifdef's added to common clock code. This code is no longer
needed due to migration to the common clock framework.
Signed-off-by: Mike Turquette <mturquette@ti.com>
[paul@pwsan.com: clean up new ifdefs added in clockdomain.c]
Signed-off-by: Paul Walmsley <paul@pwsan.com>
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Drop the now-obsolete OMAP2420/2430 original OMAP clock data.
Signed-off-by: Paul Walmsley <paul@pwsan.com>
Signed-off-by: Mike Turquette <mturquette@ti.com>
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Clean all #ifdef's added to OMAP2 clock code to make it COMMON clk
ready, not that CONFIG_COMMON_CLK is enabled.
Signed-off-by: Rajendra Nayak <rnayak@ti.com>
[paul@pwsan.com: also drop CONFIG_COMMON_CLK tests around APLL recalc_rate
functions]
Signed-off-by: Mike Turquette <mturquette@ti.com>
[paul@pwsan.com: remove some ifdefs in mach-omap2/io.c]
Signed-off-by: Paul Walmsley <paul@pwsan.com>
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Remove all of the code that is compiled when CONFIG_COMMON_CLK=n in the
OMAP3+ DPLL handling code.
Signed-off-by: Paul Walmsley <paul@pwsan.com>
Cc: Mike Turquette <mturquette@ti.com>
Cc: Rajendra Nayak <rnayak@ti.com>
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Drop the now-obsolete AM33xx original OMAP clock data.
Signed-off-by: Paul Walmsley <paul@pwsan.com>
Signed-off-by: Mike Turquette <mturquette@ti.com>
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Drop the now-obsolete OMAP3xxx original OMAP clock data.
Signed-off-by: Paul Walmsley <paul@pwsan.com>
Signed-off-by: Mike Turquette <mturquette@ti.com>
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Clean all #ifdef's added to OMAP3 clock code to make it COMMON clk
ready, not that CONFIG_COMMON_CLK is enabled.
Signed-off-by: Rajendra Nayak <rnayak@ti.com>
Signed-off-by: Mike Turquette <mturquette@ti.com>
[paul@pwsan.com: remove some ifdefs in mach-omap2/io.c]
Signed-off-by: Paul Walmsley <paul@pwsan.com>
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Drop the now-obsolete OMAP44xx original OMAP clock data.
Signed-off-by: Paul Walmsley <paul@pwsan.com>
Signed-off-by: Mike Turquette <mturquette@ti.com>
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Clean all #ifdef's added to OMAP4 clock code to make it COMMON clk
ready, now that CONFIG_COMMON_CLK is enabled.
Signed-off-by: Rajendra Nayak <rnayak@ti.com>
Signed-off-by: Mike Turquette <mturquette@ti.com>
[paul@pwsan.com: remove some ifdefs in mach-omap2/io.c]
Signed-off-by: Paul Walmsley <paul@pwsan.com>
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Clean all #ifdef's added as part of fixing the clkdm
accesses from hwmod.
Signed-off-by: Rajendra Nayak <rnayak@ti.com>
Signed-off-by: Mike Turquette <mturquette@ti.com>
Signed-off-by: Paul Walmsley <paul@pwsan.com>
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Select COMMON_CLK for all OMAP2+ SoCs and switch over to using new
data files for OMAP2/3/4.
The older data files will get removed in subsequent patches.
Signed-off-by: Rajendra Nayak <rnayak@ti.com>
[paul@pwsan.com: move 'select COMMON_CLK' from ARCH_OMAP2PLUS_TYPICAL to
the per-SoC and per-"arch" Kconfig sections]
[mturquette@ti.com: fixed up #ifdef mismatch in clock.h in previous
patch which drops that change from this patch]
Signed-off-by: Mike Turquette <mturquette@ti.com>
Signed-off-by: Paul Walmsley <paul@pwsan.com>
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The patch is the output from a python script which converts
from the old OMAP clk format to COMMON clk format using a
JSON parser in between which was developed by Paul Walmsley.
Signed-off-by: Rajendra Nayak <rnayak@ti.com>
[paul@pwsan.com: replace omap2_init_clksel_parent() with
omap2_clksel_find_parent_index(); reflowed macros; dropped 243x clkdev
aliases in 242x file; added recalc_rate fn ptrs to APLL clocks;
fixed some checkpatch warnings]
[mturquette@ti.com: removed deprecated variables from omap24x0_clk_init]
Signed-off-by: Mike Turquette <mturquette@ti.com>
[paul@pwsan.com: fixed boot crash due to missing clock init code; added twl.fck
alias; fix DPLL rate initialization; fix APLL clocks and virt_prcm_set
initialization]
Signed-off-by: Paul Walmsley <paul@pwsan.com>
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The patch is the output from a python script which converts
from the old OMAP clk format to COMMON clk format using a
JSON parser in between which was developed by Paul Walmsley.
Signed-off-by: Rajendra Nayak <rnayak@ti.com>
[paul@pwsan.com: AM3517/05: dropped bogus hsotgusb "ick" and "fck"
clkdev aliases; added hsotgusb_fck alias; added emac_ick and emac_fck
aliases; replace omap2_init_clksel_parent() with
omap2_clksel_find_parent_index(); reflow macros and parent name
lists; add clkdm_name argument to DEFINE_STRUCT_CLK_HW_OMAP macros]
Signed-off-by: Mike Turquette <mturquette@ti.com>
Signed-off-by: Paul Walmsley <paul@pwsan.com>
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OMAP2/3/4 clock-tree data is migrated to common-clock framework,
so it is needed to do same for AM33XX device.
Signed-off-by: Vaibhav Hiremath <hvaibhav@ti.com>
Cc: Rajendra Nayak <rnayak@ti.com>
Cc: Paul Walmsley <paul@pwsan.com>
Cc: Benoit Cousson <b-cousson@ti.com>
[paul@pwsan.com: replace omap2_init_clksel_parent() with
omap2_clksel_find_parent_index(); modified to not use the AM33xx common
clock data yet; updated patch description; reflowed the macros;
updated DEFINE_STRUCT_CLK_HW_OMAP usage to include clkdm_name]
Signed-off-by: Mike Turquette <mturquette@ti.com>
Signed-off-by: Paul Walmsley <paul@pwsan.com>
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This patch is output from updated omap hw data autogeneration scripts
mostly contributed by Mike Turquette, with some later fixes from me.
All data is added into a new cclock44xx_data.c file which will be
switched with clock44xx_data.c file in a later patch.
Signed-off-by: Rajendra Nayak <rnayak@ti.com>
[paul@pwsan.com: replace omap2_init_clksel_parent() with
omap2_clksel_find_parent_index(); reflowed macros; updated
DEFINE_STRUCT_CLK_HW_OMAP macro to include clkdm_name;
use macros for clksel mux+gate clocks; many other fixes]
[mturquette@ti.com: converted DPLL outputs to HSDIVIDER macro; trace_clk_div_ck
has clkdm ops]
Signed-off-by: Mike Turquette <mturquette@ti.com>
[paul@pwsan.com: fixed the omap-gpmc.fck alias per commit a2e5b90b; fixed
several checkpatch issues; moved the dpll3xxx.c clockdomain modifications to
another patch]
Signed-off-by: Paul Walmsley <paul@pwsan.com>
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Define four convenience macros to be used in the upcoming OMAP2+
common clock framework port. Although the use of these macros will
make the data somewhat more difficult to read, they significantly reduce
the number of lines in the output patch data.
Most of these were created by Rajendra Nayak and Mike Turquette, as
far as I know.
Signed-off-by: Paul Walmsley <paul@pwsan.com>
[mturquette@ti.com: added DEFINE_CLK_OMAP_HSDIVIDER macro]
Signed-off-by: Mike Turquette <mturquette@ti.com>
Cc: Rajendra Nayak <rnayak@ti.com>
Signed-off-by: Paul Walmsley <paul@pwsan.com>
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It's suspected that some of the clockdomain associations with clocks
can be removed from the clock data. Drop several of these
associations to save diffstat and improve performance.
Signed-off-by: Rajendra Nayak <rnayak@ti.com>
[paul@pwsan.com: removed most of the changes in this patch; modified patch
description]
Signed-off-by: Paul Walmsley <paul@pwsan.com>
Signed-off-by: Mike Turquette <mturquette@ti.com>
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The OMAP port to the common clk framework[1] resulted in spurious WARNs
while disable unused clocks. This is due to _clkdm_clk_hwmod_disable
catching clkdm->usecount's with a value of zero. Even less desirable it
would not allow the clkdm_clk_disable function pointer to get called due
to an early return of -ERANGE.
This patch adds a check for such a corner case by skipping the WARN and
early return in the event that clkdm->usecount and clk->enable_usecount
are both zero. Presumably this could only happen during the check for
unused clocks at boot-time.
[1] http://article.gmane.org/gmane.linux.ports.arm.omap/88824
Signed-off-by: Mike Turquette <mturquette@ti.com>
[paul@pwsan.com: split the hwmod and clock disable cases; modified the
code to skip the clockdomain handling during the disable-unused-clocks phase;
added COMMON_CLK ifdef; removed include of clk-private.h at Mike's request]
Signed-off-by: Paul Walmsley <paul@pwsan.com>
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Without this kernel would crash, since clkdm inside omap_hwmod
is accessed in some of the init functions like, _init_main_clk.
So call init_clkdm before _init_main_clk().
Signed-off-by: Vaibhav Hiremath <hvaibhav@ti.com>
Signed-off-by: Mike Turquette <mturquette@ti.com>
Signed-off-by: Paul Walmsley <paul@pwsan.com>
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Platform code can use omap2_clk_enable_init_clocks() to enable a
list of clocks that are needed to be enabled at init.
Signed-off-by: Rajendra Nayak <rnayak@ti.com>
Signed-off-by: Mike Turquette <mturquette@ti.com>
[paul@pwsan.com: added kerneldoc to non-trivial new function]
Signed-off-by: Paul Walmsley <paul@pwsan.com>
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Platforms can call omap2_init_clk_hw_omap_clocks() to register a clock
using clk_hw_omap. omap2_clk_enable_autoidle_all() and
omap2_clk_disable_autoidle_all() can then be used to run through
all the clocks which support autoidle to enable/disable them.
Signed-off-by: Rajendra Nayak <rnayak@ti.com>
Signed-off-by: Mike Turquette <mturquette@ti.com>
[paul@pwsan.com: added kerneldoc on non-trivial new functions]
Signed-off-by: Paul Walmsley <paul@pwsan.com>
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OMAP2420 and OMAP2430 chips each have two on-chip APLLs. When locked,
one APLL generates a 96 MHz rate; the other, a 54 MHz rate.
Previously we treated these clocks as fixed-rate clocks at the locked
rates, but this isn't quite right. The locked rate should be returned
when the APLL is locked, and a zero rate should be returned when the
APLL is stopped. This patch adds the infrastructure that will be used
by the CCF changes.
Signed-off-by: Paul Walmsley <paul@pwsan.com>
Signed-off-by: Mike Turquette <mturquette@ti.com>
Cc: Rajendra Nayak <rnayak@ti.com>
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Convert all OMAP2 specific platform files to use COMMON clk
and keep all the changes under the CONFIG_COMMON_CLK macro check
so it does not break any existing code. At a later point switch
to COMMON clk and get rid of all old/legacy code.
Signed-off-by: Rajendra Nayak <rnayak@ti.com>
Signed-off-by: Mike Turquette <mturquette@ti.com>
[paul@pwsan.com: updated to apply]
Signed-off-by: Paul Walmsley <paul@pwsan.com>
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Convert all OMAP3 specific platform files to use COMMON clk
and keep all the changes under the CONFIG_COMMON_CLK macro check
so it does not break any existing code. At a later point switch
to COMMON clk and get rid of all old/legacy code.
Signed-off-by: Rajendra Nayak <rnayak@ti.com>
Signed-off-by: Mike Turquette <mturquette@ti.com>
Signed-off-by: Paul Walmsley <paul@pwsan.com>
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Convert all OMAP4 specific platform files to use COMMON clk
and keep all the changes under the CONFIG_COMMON_CLK macro check
so it does not break any existing code. At a later point switch
to COMMON clk and get rid of all old/legacy code.
This converts all apis which will be called directly from COMMON
clk to take a struct clk_hw parameter, and all the internal platform
apis to take a struct clk_hw_omap parameter.
Changes are based off the original patch from Mike Turquette.
Signed-off-by: Rajendra Nayak <rnayak@ti.com>
[paul@pwsan.com: created new omap2_clksel_find_parent_index() rather than
modifying omap2_init_clksel_parent(); moved clkhwops_iclk_wait to
clkt_iclk.c to fix OMAP4-only builds; added clk-provider.h include to clock.h
to try to fix some 3430-builds]
[mturquette@ti.com: squash patch for omap2_clkops_{en,dis}able_clkdm;
omap2_dflt_clk_is_enabled should not enable clocks]
Signed-off-by: Mike Turquette <mturquette@ti.com>
[paul@pwsan.com: fix compiler warning; update to apply; added kerneldoc on
non-trivial new functions; added the dpll3xxx clockdomain modifications]
Signed-off-by: Paul Walmsley <paul@pwsan.com>
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hwmod uses deferencing the clk pointer to acccess the clkdm.
With COMMON clk hwoever this will need to be deferenced through
the clk_hw_omap pointer, so do the necessary changes.
Signed-off-by: Rajendra Nayak <rnayak@ti.com>
Signed-off-by: Mike Turquette <mturquette@ti.com>
Signed-off-by: Paul Walmsley <paul@pwsan.com>
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plat/clock.c which has most of usecounting/locking infrastructure will
be used only for OMAP1 until that is moved to use COMMON clk.
reuse most of what plat/clock.h has while we move to common clk, and
move most of what 'struct clk' was as 'struct clk_hw_omap' which
will then be used to define platform specific parameters.
All usecounting/locking related variables from 'struct clk' are
dropped as they will not be used with 'struct clk_hw_omap'.
Based on the original changes from Mike Turquette.
Signed-off-by: Rajendra Nayak <rnayak@ti.com>
Signed-off-by: Mike Turquette <mturquette@ti.com>
Signed-off-by: Paul Walmsley <paul@pwsan.com>
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git://git.kernel.org/pub/scm/linux/kernel/git/kgene/linux-samsung into next/pm
From Kukjin Kim:
* 'next/pm-samsung' of git://git.kernel.org/pub/scm/linux/kernel/git/kgene/linux-samsung:
ARM: EXYNOS: Add flush_cache_all in suspend finisher
ARM: EXYNOS: Remove scu_enable from cpuidle
ARM: EXYNOS: Fix soft reboot hang after suspend/resume
ARM: EXYNOS: Add support for rtc wakeup
ARM: EXYNOS: fix the hotplug for Cortex-A15
+ Linux 3.7-rc6
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The core cpu_suspend code no longer calls flush_cache_all to
optimize the cpu idle flow. Add a call for the same in the
exynos specific suspend code.
Signed-off-by: Abhilash Kesavan <a.kesavan@samsung.com>
Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
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Cortex A9 based exynos4 has a memory mapped SCU while the Cortex
A15 based exynos5 does not. Hence, remove the call to scu_enable
for exynos5.
Signed-off-by: Abhilash Kesavan <a.kesavan@samsung.com>
Signed-off-by: Inderpal Singh <inderpal.singh@samsung.com>
Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
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Upon wake-up, clear the sleep mode set in INFORM1 register.
Signed-off-by: Inderpal Singh <inderpal.singh@samsung.com>
Tested-by: Abhilash Kesavan <a.kesavan@samsung.com>
Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
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Set the gic arch extension callback to support rtc wakeup.
Signed-off-by: Inderpal Singh <inderpal.singh@samsung.com>
Signed-off-by: Abhilash Kesavan <a.kesavan@samsung.com>
Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
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The sequence of cpu_enter_lowpower() for Cortex-A15 is
different from the sequence for Cortex-A9. This patch
implements cpu_enter_lowpower() for EXYNOS5 SoC which
has Cortex-A15 cores.
Basded on original patch has been submitted by Changhwan Youn
Signed-off-by: Changhwan Youn <chaos.youn@samsung.com>
Signed-off-by: Abhilash Kesavan <a.kesavan@samsung.com>
Cc: Russell King <rmk+kernel@arm.linux.org.uk>
[kgene.kim@samsung.com: use flush_cache_louis() instead of
flush_cache_all() as per Lorenzo and Santosh's suggestion]
Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
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git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap into next/pm
From Tony Lindgren <tony@atomide.com>:
PM changes via Kevin Hilman <khilman@deeprootsystems.com>:
Add support for full-chip retention in suspend for OMAP4 SoCs
* tag 'omap-for-v3.8/pm-part2-v3-signed' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap:
ARM: OMAP2+: voltage: fixup oscillator handling when CONFIG_PM=n
ARM: OMAP4: USB: power down MUSB PHY during boot
ARM: OMAP4: suspend: Program all domains to retention
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
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commit 908b75e8 (ARM: OMAP: add support for oscillator setup) added a new
API for oscillator setup, but is broken when CONFIG_PM=n.
The new functions have dummy definitions when CONFIG_PM=n, but also have
full implementations available, which conflict.
To fix, wrap the PM implmentations in #ifdef CONFIG_PM.
Cc: Tero Kristo <t-kristo@ti.com>
Signed-off-by: Kevin Hilman <khilman@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
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