From Tony Lindgren:
Few more regression fixes related to u-boot only muxing
essential pins.
* tag 'omap-for-v3.7-rc5/fixes-signed' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap:
ARM: OMAP4: TWL: mux sys_drm_msecure as output for PMIC
ARM: OMAP3: igep0020: Set WIFI/BT GPIO pins in correct mux mode
ARM: OMAP: Add maintainer entry for IGEP machines
Commit 97ee9f01 (ARM: OMAP: fix the ads7846 init code) have enabled the
pendown GPIO debounce time setting by the below sequence:
gpio_request_one()
gpio_set_debounce()
gpio_free()
It also revealed a bug in the OMAP GPIO handling code which prevented
the GPIO debounce clock to be disabled and CORE transition to low power
states.
Commit c9c55d9 (gpio/omap: fix off-mode bug: clear debounce settings on
free/reset) fixes the OMAP GPIO handling code by making sure that the
GPIO debounce clock gets disabled if no GPIO is requested from current
bank.
While fixing the OMAP GPIO handling code (in the right way), the above
commit makes the gpio_request->set_debounce->free sequence invalid as
after freeing the GPIO, the debounce settings are lost.
Fix the debounce settings by moving the debounce initialization to the
actual GPIO requesting code - the ads7846 driver.
Signed-off-by: Igor Grinberg <grinberg@compulab.co.il>
Acked-by: Tony Lindgren <tony@atomide.com>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
cm-t3517 starting from revision 1.2 does not have the 32K oscilator
wired to the AM3517 SoC.
Therefore switch to use the GPTIMER for system clock.
Signed-off-by: Igor Grinberg <grinberg@compulab.co.il>
Signed-off-by: Tony Lindgren <tony@atomide.com>
CONFIG_OMAP_32K_TIMER is kind of standing on the single zImage way.
Make OMAP2+ timer code independant from the CONFIG_OMAP_32K_TIMER
setting.
To remove the dependancy, several conversions/additions had to be done:
1) Timer initialization functions are named by the platform
name and the clock source in use.
This also makes it possible to define and use the GPTIMER as the
clock source instead of the 32K timer on platforms that do not have
the 32K timer ip block or the 32K timer is not wired on the board.
Currently, the the timer is chosen in the machine_desc structure on
per board basis. Later, DT should be used to choose the timer.
2) Settings under the CONFIG_OMAP_32K_TIMER option are used as defaults
and those under !CONFIG_OMAP_32K_TIMER are removed.
This removes the CONFIG_OMAP_32K_TIMER on OMAP2+ timer code.
3) Since we have all the timers defined inside machine_desc structure
and we no longer need the fallback to gp_timer clock source in case
32k_timer clock source is unavailable (namely on AM33xx), we no
longer need the #ifdef around omap2_sync32k_clocksource_init()
function. Remove the #ifdef CONFIG_OMAP_32K_TIMER around the
omap2_sync32k_clocksource_init() function.
Signed-off-by: Igor Grinberg <grinberg@compulab.co.il>
Cc: Jon Hunter <jon-hunter@ti.com>
Cc: Santosh Shilimkar <santosh.shilimkar@ti.com>
Cc: Vaibhav Hiremath <hvaibhav@ti.com>
Acked-by: Santosh Shilimkar <santosh.shilimkar@ti.com>
Reviewed-by: Jon Hunter <jon-hunter@ti.com>
Looks like the iommu framework does not have generic functions
exported for all the needs yet. The hardware specific functions
are defined in files like intel-iommu.h and amd-iommu.h. Follow
the same standard for omap-iommu.h.
This is needed because we are removing plat and mach includes
for ARM common zImage support. Further work should continue
in the iommu framework context as only pure platform data will
be communicated from arch/arm/*omap*/* code to the iommu
framework.
Cc: Ido Yariv <ido@wizery.com>
Cc: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Cc: Omar Ramirez Luna <omar.luna@linaro.org>
Cc: linux-media@vger.kernel.org
Acked-by: Mauro Carvalho Chehab <mchehab@redhat.com>
Acked-by: Ohad Ben-Cohen <ohad@wizery.com>
Acked-by: Joerg Roedel <joro@8bytes.org>
Signed-off-by: Tony Lindgren <tony@atomide.com>
Add i2c driver to enable access to devices behind CBUS on Nokia Internet
Tablets.
The patch also adds CBUS I2C configuration for N8x0 which is one of the
users of this driver.
Acked-by: Felipe Balbi <balbi@ti.com>
Acked-by: Tony Lindgren <tony@atomide.com>
Signed-off-by: Aaro Koskinen <aaro.koskinen@iki.fi>
Signed-off-by: Wolfram Sang <w.sang@pengutronix.de>
Commit "ARM: OMAP2+: Add device-tree support for 32kHz counter"
added structure omap_counter_match to the OMAP2 timer code. When
CONFIG_OMAP_32K_TIMER is not defined this structure generates the
following as it is not used.
CC arch/arm/mach-omap2/timer.o
arch/arm/mach-omap2/timer.c:163:28: warning: 'omap_counter_match'
defined but not used [-Wunused-variable]
Move the definition of omap_counter_match to avoid this warning when
CONFIG_OMAP_32K_TIMER is not set.
Thanks to Kevin Hilman for tracking down and reporting this problem.
Reported-by: Kevin Hilam <khilman@deeprootsystems.com>
Signed-off-by: Jon Hunter <jon-hunter@ti.com>
Some source files are including dmtimer.h but not actually using any dmtimer
definitions or functions. Therefore, remove the inclusion dmtimer.h from these
source files.
Signed-off-by: Jon Hunter <jon-hunter@ti.com>
Acked-by: Omar Ramirez Luna <omar.luna@linaro.org>
The function omap_dm_timer_init_one() declares two local variables of
type int that are used to store the return value of functions called.
One such local variable is sufficient and so remove one of these local
variables.
Signed-off-by: Jon Hunter <jon-hunter@ti.com>
The OMAP2+ system timer code stores the physical address of the timer
but never uses it. Remove this and clean-up the code by removing the
local variable "size" and changing the names of the local variables
mem_rsrc and irq_rsrc to mem and irq, respectively.
Signed-off-by: Jon Hunter <jon-hunter@ti.com>
Conflicts:
drivers/video/omap2/dss/Kconfig
drivers/video/omap2/omapfb/omapfb-ioctl.c
drivers/video/omap2/omapfb/omapfb-main.c
Merge changes to make omapfb use common dma_alloc, and remove omap's
custom vram allocator.
This resolves a nontrivial conflict where the omap_prcm_restart
is removed in one branch but another use is added in another
branch.
Conflicts:
arch/arm/mach-omap2/cm33xx.c
arch/arm/mach-omap2/io.c
arch/arm/mach-omap2/prm_common.c
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
From Tony Lindgren <tony@atomide.com>:
Timer fixes for omaps via Jon Hunter <jon-hunter@ti.com>:
Several fixes for the OMAP DMTIMER driver including ...
1. Adding workaround for OMAP3+ errata i103/i767
2. Fixing posted mode support
3. Spurious interrupts when using match interrupt
4. HWMOD fixes for timers
5. Unnecessary restoration of read-only registers
6. Adds function for disabling timer interrupts
7. Fixing timer1 reset for OMAP1
* tag 'omap-for-v3.8/timer-signed' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap:
ARM: OMAP: Remove __omap_dm_timer_set_source function
ARM: OMAP: Remove unnecessary call to clk_get()
ARM: OMAP: Add dmtimer interrupt disable function
ARM: OMAP: Fix spurious interrupts when using timer match feature
ARM: OMAP: Don't restore DMTIMER interrupt status register
ARM: OMAP: Don't restore of DMTIMER TISTAT register
ARM: OMAP: Fix dmtimer reset for timer1
ARM: OMAP2+: Don't use __omap_dm_timer_reset()
ARM: OMAP2/3: Define HWMOD software reset status for DMTIMERs
ARM: OMAP3: Correct HWMOD DMTIMER SYSC register declarations
ARM: OMAP: Fix timer posted mode support
ARM: OMAP3+: Implement timer workaround for errata i103 and i767
ARM: OMAP: Add DMTIMER definitions for posted mode
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
From Tony Lindgren <tony@atomide.com>:
One build fix for recent clean up when CONFIG_PM is not set
and clean up related improvment to the SoC detection.
* tag 'omap-for-v3.8/cleanup-fixes-part2-v2-signed' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap:
ARM: OMAP4: ID: Improve features detection and check
ARM: OMAP: Fix compile for OMAP_PM_NOOP if PM is not selected
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
From Tony Lindgren <tony@atomide.com>:
Board updates for omaps mostly to deal with enabling
display support with device tree until the bindings
are ready.
* tag 'omap-for-v3.8/board-v2-signed' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap:
ARM: OMAP1: use BUG_ON where possible
OMAP: board-generic: enable DSS for panda & sdp boards
OMAP: omap4sdp: move display init from board file to dss-common.c
OMAP: panda: move display init from board file to dss-common.c
ARM: OMAP2+: Nokia N9/N900/N950 -- mention product names
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
From Tony Lindgren <tony@atomide.com>:
More PRCM cleanups via Paul Walmsley <paul@pwsan.com>:
Second set of OMAP PRCM cleanups for 3.8.
These patches remove the use of omap_prcm_get_reset_sources() from the
OMAP watchdog driver, and remove mach-omap2/prcm.c and
plat-omap/include/plat/prcm.h.
Basic test logs for this branch on top of Tony's cleanup-prcm branch
at commit 7fc54fd308 are here:
http://www.pwsan.com/omap/testlogs/prcm_cleanup_b_3.8/20121108151646/
However, cleanup-prcm at 7fc54fd3 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_prcm_cleanup_b_3.8/20121108151930/
which indicate that the series tests cleanly.
This second pull request updates one of the patches which broke
with rmk's allnoconfigs, and also updates the tag description to
indicate that 7fc54fd3 is building cleanly here.
* tag 'omap-for-v3.8/cleanup-prcm-part2-signed' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap: (27 commits)
ARM: OMAP2: Fix compillation error in cm_common
ARM: OMAP2+: PRCM: remove obsolete prcm.[ch]
ARM: OMAP2+: hwmod: call to _omap4_disable_module() should use the SoC-specific call
ARM: OMAP2+: PRCM: consolidate PRCM-related timeout macros
ARM: OMAP2+: PRCM: split and relocate the PRM/CM globals setup
ARM: OMAP2+: PRCM: remove omap2_cm_wait_idlest()
ARM: OMAP2+: CM/clock: convert _omap2_module_wait_ready() to use SoC-independent CM functions
ARM: OMAP2xxx: APLL/CM: convert to use omap2_cm_wait_module_ready()
ARM: OMAP2+: board files: use SoC-specific system restart functions
ARM: OMAP2+: PRCM: create SoC-specific chip restart functions
ARM: OMAP2xxx: clock: move virt_prcm_set code into clkt2xxx_virt_prcm_set.c
ARM: OMAP2xxx: clock: remove global 'dclk' variable
ARM: OMAP2/3: PRM: add SoC reset functions (using the CORE DPLL method)
ARM: OMAP2+: common: remove mach-omap2/common.c globals and map_common_io code
ARM: OMAP2+: PRCM: remove omap_prcm_get_reset_sources()
watchdog: OMAP: use standard GETBOOTSTATUS interface; use platform_data fn ptr
ARM: OMAP2+: WDT: move init; add read_reset_sources pdata function pointer
ARM: OMAP1: CGRM: fix omap1_get_reset_sources() return type
ARM: OMAP2+: PRM: create PRM reset source API for the watchdog timer driver
ARM: OMAP1: create read_reset_sources() function (for initial use by watchdog)
...
Conflicts:
arch/arm/mach-omap2/cm33xx.c
arch/arm/mach-omap2/io.c
arch/arm/mach-omap2/prm_common.c
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
This patch adds hwmod entry for davinci MDIO module,
creating parent<->child relationship between CPSW and MDIO module.
This Parent-child relation is required in order to use common resources
like, clock, but still maintaining the logical separation between them.
CPGMAC SubSystem consist of various sub-modules, like, mdio, cpdma,
cpsw, etc... These sub-modules are also used in some of Davinci
family of devices, so separate and independent platform devices &
drivers for CPSW and MDIO is implemented.
In case of AM33XX, the resources are shared and common register
bit-field is provided to control module/clock enable/disable,
makes it difficult to handle common resources from both drivers.
So the solution is, create parent<->child relationship between
CPGMAC & MDIO modules.
Signed-off-by: Mugunthan V N <mugunthanvnm@ti.com>
Signed-off-by: Vaibhav Hiremath <hvaibhav@ti.com>
Cc: Paul Walmsley <paul@pwsan.com>
Acked-by: Peter Korsgaard <jacmet@sunsite.dk>
Acked-by: Richard Cochran <richardcochran@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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>
commit c9621844 (ARM: OMAP4: PM: add errata support) introduced errata
handling for OMAP4, but was broken when CONFIG_PM=n.
When CONFIG_PM=n, pm44xx.c is not compiled, yet that is where pm44xx_errata
is defined. However, these errata are needed for the SMP boot/hotplug case
also, and are primarily used in omap-smp.c.
Move the definition of pm44xx_errata to omap-smp.c so that it's available
even in the CONFIG_PM=n case.
Cc: Tero Kristo <t-kristo@ti.com>
Signed-off-by: Kevin Hilman <khilman@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
Commit 6e740f9a8 (ARM: OMAP: Move omap-pm-noop.c local to mach-omap2)
moved omap-pm-noop to be local to mach-omap2. However, the makefile
entry got placed within ifeq ($(CONFIG_PM),y) which was not the
case earlier.
Fix the issue by moving it out of the ifeq ($(CONFIG_PM),y) in
the makefile as these stubs are needed also when PM is not set.
Reported-by: Russell King <rmk+kernel@arm.linux.org.uk>
Signed-off-by: Tony Lindgren <tony@atomide.com>
The commit [i2c: omap: use revision check for OMAP_I2C_FLAG_APPLY_ERRATA_I207]
uses the revision id instead of the flag. So the flag can be safely removed.
Reviewed-by: Felipe Balbi <balbi@ti.com>
Signed-off-by: Shubhrajyoti D <shubhrajyoti@ti.com>
Signed-off-by: Wolfram Sang <w.sang@pengutronix.de>
Commit c9e4412ab8 removed all of the USB
PHY functions for OMAP4, but this causes a problem with core retention
as the MUSB module remains enabled if omap-usb2 phy driver is not used.
This keeps the USB DPLL enabled and prevents l3_init pwrdm from idling.
Fixed by adding a minimal function back that disables the USB PHY during
boot.
Signed-off-by: Tero Kristo <t-kristo@ti.com>
Cc: Kishon Vijay Abraham I <kishon@ti.com>
Cc: Tony Lindgren <tony@atomide.com>
Acked-by: Felipe Balbi <balbi@ti.com>
Signed-off-by: Kevin Hilman <khilman@ti.com>
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 c9d501e5cb 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
As omapfb no longer uses omap specific vram allocator we can remove the
vram pre-allocation from rx51 board file.
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
Acked-by: Tony Lindgren <tony@atomide.com>
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>
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>
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>
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>
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>
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>
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>
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>
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>
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>
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>
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>
