Commit Graph

1881 Commits

Author SHA1 Message Date
Linus Torvalds
fde7543027 arm-soc: cleanups, part 2
These omap cleanups have dependencies on earlier omap branches that in
 turn depend on other cleanups, so they could not go into the same
 branch.
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Merge tag 'cleanup2' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc

Pull arm-soc cleanups, part 2, from Arnd Bergmann:
 "These omap cleanups have dependencies on earlier omap branches that in
  turn depend on other cleanups, so they could not go into the same
  branch."

* tag 'cleanup2' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc:
  ARM: OMAP: sdrc: Fix the build break for OMAP4 only builds
  ARM: OMAP2+: dmtimer: cleanup fclk usage
  ARM: OMAP2+: Fix mismerge for omap_hwmod_get_main_clk() API
  ARM: OMAP2+: Remove unnecessary ifdef around __omap2_set_globals
  ARM: OMAP2+: am33xx: Change cpu_is_am33xx to soc_is_am33xx
  ARM: OMAP2+: am33xx: Make am33xx as a separate class
  ARM: OMAP2+: Move omap3 dpll ops to dpll3xxx.c
  ARM: OMAP2+: All OMAP2PLUS uses omap-device.o target so add one entry
  ARM: OMAP: dmtimer: use devm_ API and do some cleanup in probe()
  ARM: OMAP2+: hwmod code: add support to set dmadisable in hwmod framework
  ARM: OMAP2+: PRM/CM: Move the stubbed prm and cm functions to prcm.c file and make them __weak
  ARM: OMAP2+: hwmod: add omap_hwmod_get_main_clk() API
  ARM: OMAP3+: dpll: optimize noncore dpll locking logic
  ARM: OMAP3: control: add definition for CONTROL_CAMERA_PHY_CTRL
  ARM: OMAP2+: powerdomain code: Fix Wake-up power domain power status
  ARM: OMAP4: clockdomain/CM code: Update supported transition modes
  ARM: OMAP3/4: omap_hwmod: Add rstst_offs field to struct omap_hwmod_omap4_prcm
  ARM: OMAP2+: hwmod: Add new sysc_type3 into omap_hwmod required for am33xx
2012-07-23 16:22:12 -07:00
Linus Torvalds
1a4120bc10 arm-soc: timer updates
This contains two branches dealing with timers, one for the picoxcell
 platform that is now using DT with the platform-independent
 dw_apb_timer driver. The other change is for the omap-specific
 dmtimer driver.
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Merge tag 'timer' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc

Pull arm-soc timer updates from Arnd Bergmann:
 "This contains two branches dealing with timers, one for the picoxcell
  platform that is now using DT with the platform-independent
  dw_apb_timer driver.  The other change is for the omap-specific
  dmtimer driver."

* tag 'timer' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc:
  clocksource: dw_apb_timer: Add common DTS glue for dw_apb_timer
  ARM: OMAP2+: Simplify dmtimer clock aliases
  ARM: OMAP2+: Move dmtimer clock set function to dmtimer driver
  ARM: OMAP1: Fix dmtimer support
  ARM: OMAP: Add flag to indicate if a timer needs a manual reset
  ARM: OMAP: Remove timer function pointer for context loss counter
  ARM: OMAP: Remove loses_context variable from timer platform data
  ARM: OMAP2+: Fix external clock support for dmtimers
  ARM: OMAP2+: HWMOD: Correct timer device attributes
  ARM: OMAP: Add DMTIMER capability variable to represent timer features
  ARM: OMAP2+: Add dmtimer platform function to reserve systimers
  ARM: OMAP2+: Remove unused max number of timers definition
  ARM: OMAP: Remove unnecessary clk structure
2012-07-23 16:21:23 -07:00
Linus Torvalds
5e512d0785 arm-soc: soc-specific updates
This is stuff that does not fit well into another category and in
 particular is not related to a particular board. The largest part
 in here is extending the am33xx support in the omap platform.
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Merge tag 'soc' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc

Pull arm soc-specific updates from Arnd Bergmann:
 "This is stuff that does not fit well into another category and in
  particular is not related to a particular board.  The largest part in
  here is extending the am33xx support in the omap platform."

Fix up trivial conflicts in arch/arm/mach-{imx/mach-mx35_3ds.c, tegra/Makefile}

* tag 'soc' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (74 commits)
  ARM: LPC32xx: Add PWM support
  ARM: LPC32xx: Add PWM clock
  ARM: LPC32xx: Set system serial based on cpu unique id
  ARM: vexpress: Config option for early printk console
  ARM: vexpress: Add Device Tree for V2P-CA15_CA7 core tile
  ARM: vexpress: Convert V2P-CA15 Device Tree to 64 bit addresses
  ARM: vexpress: Add fixed regulator for SMSC
  ARM: vexpress: Add missing SP804 interrupt in motherboard's DTS files
  ARM: vexpress: Initial common clock support
  ARM: SAMSUNG: Introduce Kconfig variable for Samsung custom clk API
  ARM: EXYNOS: Add missing static storage class specifier in pmu.c file
  ARM: EXYNOS: Make combiner_init function static
  ARM: EXYNOS: Update HSOTG PHY clock setting for EXYNOS4X12
  ARM: versatile: Make plat-versatile clock optional
  ARM: vexpress: Check master site in daughterboard's sysctl operations
  ARM: vexpress: remove automatic errata workaround selection
  ARM: LPC32xx: Adjust to pl08x DMA interface changes
  ARM: EXYNOS: Clear SYS_WDTRESET bit to use watchdog reset
  ARM: imx: fix mx51 ehci setup errors
  ARM: imx: make ehci power/oc polarities configurable
  ...
2012-07-23 16:08:40 -07:00
Linus Torvalds
451ce7f9cf arm-soc: general cleanups
These are all boring changes, moving stuff around or renaming things
 mostly, and also getting rid of stuff that is duplicate or should
 not be there to start with. Platform-wise this is all over the place,
 mainly omap, samsung, at91, imx and tegra.
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Merge tag 'cleanup' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc

Pull general arm-soc cleanups from Arnd Bergmann:
 "These are all boring changes, moving stuff around or renaming things
  mostly, and also getting rid of stuff that is duplicate or should not
  be there to start with.  Platform-wise this is all over the place,
  mainly omap, samsung, at91, imx and tegra."

Resolve trivial conflict in arch/arm/mach-omap2/clockdomains3xxx_data.c

* tag 'cleanup' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (67 commits)
  ARM: clps711x: Remove the setting of the time
  ARM: clps711x: Removed superfluous transform virt_to_bus and related functions
  ARM: clps711x/p720t: Replace __initcall by .init_early call
  ARM: S3C24XX: Remove unused GPIO definitions for Openmoko GTA02 board
  ARM: S3C24XX: Remove unused GPIO definitions for port J
  ARM: S3C24XX: Remove unused GPA, GPE, GPH bank GPIO aliases
  ARM: S3C24XX: Convert the touchscreen setup code to common GPIO API
  ARM: S3C24XX: Convert the PM code to gpiolib API
  ARM: S3C24XX: Convert QT2410 board file to the gpiolib API
  ARM: S3C24XX: Convert SMDK board file to the gpiolib API
  ARM: S3C24XX: Free the backlight gpio requested in Mini2440 board code
  ARM: imx: remove unused pdata from device macros
  ARM: imx: Kconfig: Remove IMX_HAVE_PLATFORM_IMX_SSI from MACH_MX25_3DS
  ARM: at91: fix new build errors
  ARM: at91: add AIC5 support
  ARM: at91: remove mach/irqs.h
  ARM: at91: sparse irq support
  ARM: at91: at91 based machines specify their own irq handler at run time
  ARM: at91: remove static irq priorities for sam9x5
  ARM: at91: add of irq priorities support
  ...
2012-07-23 16:04:15 -07:00
Arnd Bergmann
0dc1951043 Linux 3.5-rc6
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Merge tag 'v3.5-rc6' into next/soc

Linux 3.5-rc6

Dependency for imx/soc changes
2012-07-11 12:50:20 +02:00
Santosh Shilimkar
fb584511c4 ARM: OMAP: sdrc: Fix the build break for OMAP4 only builds
OMAP4 only build breaks with below error

arch/arm/mach-omap2/sdrc.c:135: error: redefinition of 'omap2_sdrc_init'
arch/arm/plat-omap/include/plat/sdrc.h:130: note: previous definition of 'omap2_sdrc_init' was here
make[1]: *** [arch/arm/mach-omap2/sdrc.o] Error 1

Fix the same by using newly introduced CONFIG_SOC_HAS_OMAP2_SDRC marco.

Cc: Tony Lindgren <tony@atomide.com>
Signed-off-by: Santosh Shilimkar <santosh.shilimkar@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
2012-07-09 01:44:11 -07:00
Tony Lindgren
68c9a95e92 ARM: OMAP2+: Fix mismerge for omap_hwmod_get_main_clk() API
Commit ac5b0ea3d (Merge tag 'omap-devel-f-for-3.6'...) had a merge
conflict that somehow got incorrecly resolved in a lossy way for
commit bed9d1bb (ARM: OMAP2+: hwmod: add omap_hwmod_get_main_clk() API).
Fix the issue by applying the missing pieces.

Reported-by: Santosh Shilimkar <santosh.shilimkar@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
2012-07-06 00:58:43 -07:00
Vaibhav Hiremath
971b8a9c3e ARM: OMAP2+: am33xx: Change cpu_is_am33xx to soc_is_am33xx
As per recent discussion on the linux-omap list, we are
moving in the direction where, we will have only architecture,
ARCH_OMAP2PLUS and all devices/platforms will be treated
as a SoC underneath.

So the first step in this direction is to adopt this change
for all new devices getting in, converting
cpu_is_am33xx/335x() ==> soc_is_am33xx/335x()

Signed-off-by: Vaibhav Hiremath <hvaibhav@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
2012-07-05 08:05:15 -07:00
Vaibhav Hiremath
1c213ba16e ARM: OMAP2+: am33xx: Make am33xx as a separate class
Initially, we decided to make am33xx family of device to fall
under omap3 class (cpu_is_omap34xx() = true), since it carries
Cortex-A8 core. But while adding complete baseport support
(like, clock, power and hwmod) support, it is observed that,
we are creating more and more problems by treating am33xx device
as omap3 family, as nothing matches between them
(except cortex-A8 mpu).

So,  after long discussion we have came to the conclusion that,
we should not consider am33xx device as omap3 family, instead
create separate class (SOC_AM33XX) under OMAP2PLUS.
This means, for am33xx device, cpu_is_omap34xx() will return false,
and only cpu_is_am33xx() will be true.

Please refer to the link below, for mailing-list discussion on this -

http://www.spinics.net/lists/linux-omap/msg69439.html

Signed-off-by: Vaibhav Hiremath <hvaibhav@ti.com>
Cc: Kevin Hilman <khilman@ti.com>
Cc: Paul Walmsley <paul@pwsan.com>
[tony@atomide.com: fixed typo, updated for soc_is changes]
Signed-off-by: Tony Lindgren <tony@atomide.com>
2012-07-05 08:05:15 -07:00
Vaibhav Hiremath
576d5e3a34 ARM: OMAP2+: All OMAP2PLUS uses omap-device.o target so add one entry
All OMAP2PLUS based devices, builds omap-device.o target;
so just add one entry so that there is no need to patch this file
for any future OMAP2+ devices.

Signed-off-by: Vaibhav Hiremath <hvaibhav@ti.com>
Cc: Kevin Hilman <khilman@ti.com>
Cc: Paul Walmsley <paul@pwsan.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
2012-07-05 08:05:14 -07:00
Tarun Kanti DebBarma
74dd9ec627 ARM: OMAP: dmtimer: use devm_ API and do some cleanup in probe()
Replace the regular kzalloc and ioremap with the devm_ equivalent
to simplify error handling. We don't need kree() any more in
omap_dm_timer_remove().

Also added *dev* pointer to reference pdev->dev which makes the
usage shorter in code.

Cc: Cousson, Benoit <b-cousson@ti.com>
Cc: Paul Walmsley <paul@pwsan.com>
Cc: Kevin Hilman <khilman@ti.com>
Cc: Rajendra Nayak <rnayak@ti.com>
Cc: Santosh Shilimkar <santosh.shilimkar@ti.com>
Signed-off-by: Tarun Kanti DebBarma <tarun.kanti@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
2012-07-05 02:15:55 -07:00
Tony Lindgren
ac5b0ea3d0 Miscellaneous OMAP clock, hwmod, clockdomain, and powerdomain patches
for 3.6.  Mostly small infrastructure improvements, and preparation
 for OMAP5 and AM33xx code.
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Merge tag 'omap-devel-f-for-3.6' of git://git.kernel.org/pub/scm/linux/kernel/git/pjw/omap-pending into cleanup-part2

Miscellaneous OMAP clock, hwmod, clockdomain, and powerdomain patches
for 3.6.  Mostly small infrastructure improvements, and preparation
for OMAP5 and AM33xx code.

Conflicts:
	arch/arm/mach-omap2/omap_hwmod.c
	arch/arm/plat-omap/include/plat/omap_hwmod.h
2012-07-05 02:13:04 -07:00
Paul Walmsley
8cb8de5d87 Merge branches 'hwmod_am335x_support_3.6', 'clkdm_pwrdm_devel_a_3.6' and 'misc_devel_3.6' into omap_devel_f_3.6 2012-07-04 06:05:51 -06:00
Kishon Vijay Abraham I
6668546f3b ARM: OMAP2+: hwmod code: add support to set dmadisable in hwmod framework
The DMADISABLE bit is a semi-automatic bit present in sysconfig register
of some modules. When the DMA must perform read/write accesses, the
DMADISABLE bit is cleared by the hardware. But when the DMA must stop for power
management, software must set the DMADISABLE bit back to 1.

In cases where the ROMCODE/BOOTLOADER uses dma, the hardware clears the
DMADISABLE bit (but the romcode/bootloader might not set it back to 1).
In order for the kernel to start in a clean state, it is
necessary for the kernel to set DMADISABLE bit back to 1 (irrespective
of whether it's been set to 1 in romcode or bootloader).

During _reset of the (hwmod)device, the DMADISABLE bit is set so that it
does not prevent idling of the system. (NOTE: having DMADISABLE to 0,
prevents the system to idle)

DMADISABLE bit is present in usbotgss module of omap5.

Cc: Benoit Cousson <b-cousson@ti.com>
Cc: Kevin Hilman <khilman@ti.com>
Cc: Paul Walmsley <paul@pwsan.com>
Signed-off-by: Kishon Vijay Abraham I <kishon@ti.com>
[paul@pwsan.com: updated to apply; fixed checkpatch warnings]
Signed-off-by: Paul Walmsley <paul@pwsan.com>
2012-07-04 05:09:21 -06:00
Tarun Kanti DebBarma
bed9d1bb4e ARM: OMAP2+: hwmod: add omap_hwmod_get_main_clk() API
Add an API to get main clock name associated with a given @oh.
This will avoid the need to construct fclk names during early
initialization in order to get fclk handle using clk_get().

Signed-off-by: Tarun Kanti DebBarma <tarun.kanti@ti.com>
Cc: Benoit Cousson <b-cousson@ti.com>
Cc: Paul Walmsley <paul@pwsan.com>
Cc: Tony Lindgren <tony@atomide.com>
Cc: Kevin Hilman <khilman@ti.com>
Cc: Rajendra Nayak <rnayak@ti.com>
Cc: Santosh Shilimkar <santosh.shilimkar@ti.com>
Acked-by: Benoit Cousson <b-cousson@ti.com>
Signed-off-by: Paul Walmsley <paul@pwsan.com>
2012-07-04 05:00:48 -06:00
Vaibhav Hiremath
768c69f5e9 ARM: OMAP3/4: omap_hwmod: Add rstst_offs field to struct omap_hwmod_omap4_prcm
In case of AM33XX device, XXX_RSTST register offset is not
consistent across PRM modules/instances,

PRM_XXX            RSTST
=========================
PRM_PER_MOD:       0x04
PRM_WKUP_MOD:      0x0C
PRM_MPU_MOD:       NA
PRM_DEVICE_MOD:    0x08

This means, we need to pass on XXX_RSTST register offset
information through omap_hwmod data, similar to XXX_RSTCTRL.

Currently, this field is only applicable and used for AM33XX
devices.

Signed-off-by: Vaibhav Hiremath <hvaibhav@ti.com>
Cc: Benoit Cousson <b-cousson@ti.com>
Cc: Tony Lindgren <tony@atomide.com>
Cc: Kevin Hilman <khilman@ti.com>
Cc: Paul Walmsley <paul@pwsan.com>
Cc: Rajendra Nayak <rnayak@ti.com>
Signed-off-by: Paul Walmsley <paul@pwsan.com>
2012-07-04 03:41:03 -06:00
Vaibhav Hiremath
248b3b3d84 ARM: OMAP2+: hwmod: Add new sysc_type3 into omap_hwmod required for am33xx
In case of AM33xx family of devices (like cpsw) have different sysc
bit field offsets defined,

sysc_type3:
|  3     2  |  1    0  |
| STDBYMODE | IDLEMODE |

So introduce new sysc_type3 in omap_hwmod common data.

Signed-off-by: Vaibhav Hiremath <hvaibhav@ti.com>
Signed-off-by: Vaibhav Bedia <vaibhav.bedia@ti.com>
Signed-off-by: Paul Walmsley <paul@pwsan.com>
2012-07-04 03:40:59 -06:00
Tony Lindgren
3f96a2d90e Here is some more omap clean-up. The biggest changes are
hwmod, clock, and System Control Module cleanup, and the removal
 of the last instance of omap_read/write usage for omap2+ with
 the removal of unused USB OHCI Full Speed driver support. The
 removed OHCI is only currently used for omap1 as the actively
 used omap2+ boards have either MUSB or another instance of
 OHCI+EHCI that's more usable.
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mergetag object c59b537d87
 type commit
 tag omap-devel-dmtimer-for-v3.6
 tagger Tony Lindgren <tony@atomide.com> 1341130362 -0700
 
 Here are some omap dmtimer changes to make it easier to add
 device tree support for dmtimer by simplifying the platform
 data structure used by dmtimr.
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mergetag object 6fd8246b1c
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 tag omap-devel-am33xx-for-v3.6
 tagger Tony Lindgren <tony@atomide.com> 1341131157 -0700
 
 Here are changes to add support for am33xx processors for the
 clock, power, and voltagedomains.
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Merge tags 'omap-cleanup-for-v3.6', 'omap-devel-dmtimer-for-v3.6' and 'omap-devel-am33xx-for-v3.6' into devel-am33xx-part2
2012-07-04 00:29:31 -07:00
Arnd Bergmann
5351da96bd Here are some omap dmtimer changes to make it easier to add
device tree support for dmtimer by simplifying the platform
 data structure used by dmtimr.
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Merge tag 'omap-devel-dmtimer-for-v3.6' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap into next/timer

From Tony Lindgren <tony@atomide.com>:

Here are some omap dmtimer changes to make it easier to add
device tree support for dmtimer by simplifying the platform
data structure used by dmtimr.

* tag 'omap-devel-dmtimer-for-v3.6' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap:
  ARM: OMAP2+: Simplify dmtimer clock aliases
  ARM: OMAP2+: Move dmtimer clock set function to dmtimer driver
  ARM: OMAP1: Fix dmtimer support
  ARM: OMAP: Add flag to indicate if a timer needs a manual reset
  ARM: OMAP: Remove timer function pointer for context loss counter
  ARM: OMAP: Remove loses_context variable from timer platform data
  ARM: OMAP2+: Fix external clock support for dmtimers
  ARM: OMAP2+: HWMOD: Correct timer device attributes
  ARM: OMAP: Add DMTIMER capability variable to represent timer features
  ARM: OMAP2+: Add dmtimer platform function to reserve systimers
  ARM: OMAP2+: Remove unused max number of timers definition
  ARM: OMAP: Remove unnecessary clk structure

Signed-off-by: Arnd Bergmann <arnd@arndb.de>
2012-07-03 21:56:23 +02:00
Tony Lindgren
f6f1f12f6d Some OMAP AM35xx fixes.
The powerdomain and clockdomain data for the AM35xx are finally fixed.
 The AM35xx EMAC/MDIO Ethernet controller integration code has been
 converted to use the OMAP device and hwmod framework.  Also the UART4
 and HSOTGUSB warnings have been fixed.
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Merge tag 'omap-devel-d-for-3.6' of git://git.kernel.org/pub/scm/linux/kernel/git/pjw/omap-pending into fixes-non-critical

Some OMAP AM35xx fixes.

The powerdomain and clockdomain data for the AM35xx are finally fixed.
The AM35xx EMAC/MDIO Ethernet controller integration code has been
converted to use the OMAP device and hwmod framework.  Also the UART4
and HSOTGUSB warnings have been fixed.
2012-06-29 06:07:08 -07:00
Tony Lindgren
472fd54015 Merge branch 'cleanup-hwmod' into cleanup
Conflicts:
	arch/arm/mach-omap2/dsp.c
2012-06-28 05:47:01 -07:00
Tony Lindgren
5f6129675b Merge branches 'cleanup-udc' and 'cleanup-dma' into cleanup 2012-06-28 05:46:41 -07:00
Paul Bolle
0fb37842e4 ARM: OMAP: remove unused cpu detection macros
Now that OMAP730 and OMAP850 support is mostly unified, there's no
need for separate cpu detection macros for these architectures. At
least, currently there isn't, because both macros are unused.
cpu_is_7xx() seems to cover all possible uses.

Signed-off-by: Paul Bolle <pebolle@tiscali.nl>
[tony@atomide.com: updated to also to remove related IS_OMAP_TYPE]
Signed-off-by: Tony Lindgren <tony@atomide.com>
2012-06-28 00:10:30 -07:00
Paul Bolle
d2ba779afc ARM: OMAP: fix typos related to OMAP330
Signed-off-by: Paul Bolle <pebolle@tiscali.nl>
Signed-off-by: Tony Lindgren <tony@atomide.com>
2012-06-28 00:10:24 -07:00
Paul Bolle
59757c750f ARM: OMAP7XX: Remove omap730.h and omap850.h
No file includes omap730.h or omap850.h. That's not surprising, as
commit e6684f7132 ("OMAP7XX: Create
omap7xx.h") created a header that was "intended to replace omap730.h and
omap850.h", while all "values defined [in omap7xx.h] are identical to
those in both the old files". So it seems it was just an oversight to
keep both the old files after commit
7a8f48f8c6 ("OMAP7XX: omap_uwire.c:
Convert to omap7xx.h") converted the last file still including one of
those two old files.

Convert the last reference to omap730.h to a reference to omap7xx.h too.

Signed-off-by: Paul Bolle <pebolle@tiscali.nl>
Signed-off-by: Tony Lindgren <tony@atomide.com>
2012-06-28 00:08:10 -07:00
Tony Lindgren
53e6a100f7 Merge branch 'fixes-omap4-dsp' into fixes-non-critical 2012-06-28 00:07:30 -07:00
Olof Johansson
a34a3b7264 Some uncontroversial OMAP clock, hwmod, and compiler warning fixes for 3.5-rc
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Merge tag 'omap-fixes-a-for-3.5rc' of git://git.kernel.org/pub/scm/linux/kernel/git/pjw/omap-pending into fixes

From Paul Walmsley (as per Tony Lindgren's request):
 "Some uncontroversial OMAP clock, hwmod, and compiler warning fixes for 3.5-rc"

* tag 'omap-fixes-a-for-3.5rc' of git://git.kernel.org/pub/scm/linux/kernel/git/pjw/omap-pending:
  ARM: OMAP4: hwmod data: Force HDMI in no-idle while enabled
  ARM: OMAP2+: mux: fix sparse warning
  ARM: OMAP2+: CM: increase the module disable timeout
  ARM: OMAP4: clock data: add clockdomains for clocks used as main clocks
  ARM: OMAP4: hwmod data: fix 32k sync timer idle modes
  ARM: OMAP4+: hwmod: fix issue causing IPs not going back to Smart-Standby
  ARM: OMAP: PM: Lock clocks list while generating summary
2012-06-23 16:16:29 -07:00
Paul Walmsley
07b3a13957 Merge branches 'clock_cleanup_misc_3.6', 'control_clean_dspbridge_writes_cleanup_3.6', 'hwmod_soc_conditional_cleanup_3.6', 'mcbsp_clock_aliases_cleanup_3.6' and 'remove_clkdm_requirement_from_hwmod_3.6' into omap_cleanup_a_3.6
Conflicts:
	arch/arm/mach-omap2/omap_hwmod.c
2012-06-20 20:11:36 -06:00
Omar Ramirez Luna
3d3635c4d7 ARM: OMAP: dsp: interface to control module functions
Provide an interface for a driver to call SCM functions to
set a boot address and boot mode.

Signed-off-by: Omar Ramirez Luna <omar.luna@linaro.org>
Signed-off-by: Paul Walmsley <paul@pwsan.com>
2012-06-18 16:18:10 -06:00
Kevin Hilman
d44f42e6af ARM: OMAP2+: CLEANUP: Remove ARCH_OMAPx ifdef from struct dpll_data
There are certain fields inside 'struct dpll_data' which are
included under ARCH_OMAP3 and ARCH_OMAP4 option, which makes it
difficult to use it for new devices like, am33xx, ti81xx, etc...

So remove the ifdef completely, this will add few fields to the struct
unused, but it improves readability and maintainability of the code.

Signed-off-by: Kevin Hilman <khilman@ti.com>
[hvaibhav@ti.com: wrote detailed changelog]
Signed-off-by: Vaibhav Hiremath <hvaibhav@ti.com>
Cc: Tony Lindgren <tony@atomide.com>
Cc: Paul Walmsley <paul@pwsan.com>
Cc: Santosh Shilimkar <santosh.shilimkar@ti.com>
Cc: R Sricharan <r.sricharan@ti.com>
Acked-by: Santosh Shilimkar <santosh.shilimkar@ti.com>
Signed-off-by: Paul Walmsley <paul@pwsan.com>
2012-06-18 16:17:44 -06:00
Kevin Hilman
9ebfd28537 ARM: OMAP2+: hwmod: use init-time function ptrs for enable/disable module
The enable/disable module functions are specific to SoCs with
OMAP4-class PRCM.  Rather than use cpu_is* checks at runtime inside
the enable/disable module functions, use cpu_is at init time to
initialize function pointers only for SoCs that need them.

NOTE: the cpu_is* check for _enable_module was different than
      the one for _disable_module, and this patch uses
      cpu_is_omap44xx() for both.

Signed-off-by: Kevin Hilman <khilman@ti.com>
[paul@pwsan.com: moved soc_ops function pointers to be per-kernel rather than
 per-hwmod since they do not vary by hwmod; added kerneldoc]
Signed-off-by: Paul Walmsley <paul@pwsan.com>
2012-06-18 12:12:23 -06:00
Todd Poynor
6bc07d6afa ARM: OMAP: PM: Lock clocks list while generating summary
Commit a530257240 (OMAP: Add debugfs
node to show the summary of all clocks) introduced clock summary,
however, we are interested in seeing snapshot of the clock state, not
in dynamically changing clock configurations as the data provided by
clock summary will then be useless for debugging configuration
issues. So, hold the common lock when dumping the clock summary.

Cc: Paul Walmsley <paul@pwsan.com>
Cc: Tony Lindgren <tony@atomide.com>
Signed-off-by: Todd Poynor <toddpoynor@google.com>
[nm@ti.com: added commit message]
Signed-off-by: Nishanth Menon <nm@ti.com>
[paul@pwsan.com: minor edits to commit message]
Signed-off-by: Paul Walmsley <paul@pwsan.com>
2012-06-17 11:57:50 -06:00
Jon Hunter
c59b537d87 ARM: OMAP2+: Simplify dmtimer clock aliases
The OMAP dmtimer driver allows you to dynamically configure the functional
clock that drives the timer logic. The dmtimer driver uses the device name and
a "con-id" string to search for the appropriate functional clock.

Currently, we define a clock alias for each functional clock source each timer
supports. Some functional clock sources are common to all of the timers on a
device and so for these clock sources we can use a single alias with a unique
con-id string.

The possible functional clock sources for an OMAP device are a 32kHz clock,
a system (MHz range) clock and (for OMAP2 only) an external clock. By defining
a unique con-id name for each of these (timer_32k_ck, timer_sys_ck and
timer_ext_ck) we can eliminate a lot of the clock aliases for timers. This
reduces code, speeds-up searches and clock initialisation time.

Signed-off-by: Jon Hunter <jon-hunter@ti.com>
Acked-by: Paul Walmsley <paul@pwsan.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
2012-06-14 02:39:47 -07:00
Jon Hunter
2b2d352300 ARM: OMAP2+: Move dmtimer clock set function to dmtimer driver
OMAP1 uses an architecture specific function for setting the dmtimer clock
source, where as the OMAP2+ devices use the clock framework. Eventually OMAP1
device should also use the clock framework and hence we should not any
architecture specific functions.

For now move the OMAP2+ function for configuring the clock source into the
dmtimer driver. Therefore, we do no longer need to specify an architecture
specific function for setting the clock source for OMAP2+ devices. This will
simplify device tree migration of the dmtimers for OMAP2+ devices.

From now on, only OMAP1 devices should specify an architecture specific
function for setting the clock source via the platform data set_dmtimer_src()
function pointer.

Signed-off-by: Jon Hunter <jon-hunter@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
2012-06-14 02:39:47 -07:00
Jon Hunter
bca4580845 ARM: OMAP1: Fix dmtimer support
OMAP1 dmtimer support is currently broken. When a dmtimer is requested by the
omap_dm_timer_request() function fails to allocate a dmtimer because the call
to clk_get() inside omap_dm_timer_prepare fails. The clk_get() fails simply
because the clock data for the OMAP1 dmtimers is not present.

Ideally this should be fixed by moving OMAP1 dmtimers to use the clock
framework. For now simply fix this by using the "TIMER_NEEDS_RESET" flag to
identify an OMAP1 device and avoid calling clk_get(). Although this is not
the ideal fix and should be corrected, this flag has already been use for the
same purpose in omap_dm_timer_stop().

Signed-off-by: Jon Hunter <jon-hunter@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
2012-06-14 02:39:47 -07:00
Jon Hunter
6615975bc5 ARM: OMAP: Add flag to indicate if a timer needs a manual reset
For OMAP1 devices, it is necessary to perform a manual reset of the timer.
Currently, this is indicating by setting the "needs_manual_reset" variable in
the platform data. Instead of using an extra variable to indicate this add a new
timer capabilities flag to indicate this and remove the "needs_manual_reset"
member from the platform data.

Signed-off-by: Jon Hunter <jon-hunter@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
2012-06-14 02:39:47 -07:00
Jon Hunter
0b30ec1cb7 ARM: OMAP: Remove timer function pointer for context loss counter
For OMAP2+ devices, a function pointer that returns the number of times a timer
power domain has lost context is passed to the dmtimer driver. This function
pointer is only populated for OMAP2+ devices and it is pointing to a platform
function. Given that this is a platform function, we can simplify the code by
removing the function pointer and referencing the function directly. We can use
the OMAP_TIMER_ALWON flag to determine if we need to call this function for
OMAP1 and OMAP2+ devices.

The benefit of this change is the we can remove the function pointer from the
platform data and simplifies the dmtimer migration to device-tree.

Signed-off-by: Jon Hunter <jon-hunter@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
2012-06-14 02:39:47 -07:00
Jon Hunter
1c2d076b58 ARM: OMAP: Remove loses_context variable from timer platform data
The platform data variable loses_context is used to determine if the timer may
lose its logic state during power transitions and so needs to be restored. This
information is also provided in the HWMOD device attributes for OMAP2+ devices
via the OMAP_TIMER_ALWON flag. When this flag is set the timer will not lose
context. So use the HWMOD device attributes to determine this.

For OMAP1 devices, loses_context is never set and so set the OMAP_TIMER_ALWON
flag for OMAP1 timers to ensure that code is equivalent.

Signed-off-by: Jon Hunter <jon-hunter@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
2012-06-14 02:39:47 -07:00
Jon Hunter
67d2e760ae ARM: OMAP2+: Fix external clock support for dmtimers
Currently, the dmtimer determines whether an timer can support an external
clock source (sys_altclk) for driving the timer by the IP version. Only
OMAP24xx devices can support an external clock source, but the IP version
between OMAP24xx and OMAP3xxx is common and so this incorrectly indicates
that OMAP3 devices can use an external clock source.

Rather than use the IP version, just let the clock framework handle this.
If the "alt_ck" does not exist for a timer then the clock framework will fail
to find the clock and hence will return an error. By doing this we can eliminate
the "timer_ip_version" variable passed as part of the platform data and simplify
the code.

We can also remove the timer IP version from the HWMOD data because the dmtimer
driver uses the TIDR register to determine the IP version.

Signed-off-by: Jon Hunter <jon-hunter@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
2012-06-14 02:39:47 -07:00
Jon Hunter
d1c1691be5 ARM: OMAP: Add DMTIMER capability variable to represent timer features
Although the OMAP timers share a common hardware design, there are some
differences between the timer instances in a given device. For example, a timer
maybe in a power domain that can be powered-of, so can lose its logic state and
need restoring where as another may be in power domain that is always be on.
Another example, is a timer may support different clock sources to drive the
timer. This information is passed to the dmtimer via the following platform data
structure.

struct dmtimer_platform_data {
	int (*set_timer_src)(struct platform_device *pdev, int source);
	int timer_ip_version;
	u32 needs_manual_reset:1;
	bool loses_context;
	int (*get_context_loss_count)(struct device *dev);
};

The above structure uses multiple variables to represent the timer features.
HWMOD also stores the timer capabilities using a bit-mask that represents the
features supported. By using the same format for representing the timer
features in the platform data as used by HWMOD, we can ...

1. Use the flags defined in the plat/dmtimer.h to represent the features
   supported.
2. For devices using HWMOD, we can retrieve the features supported from HWMOD.
3. Eventually, simplify the platform data structure to be ...

struct dmtimer_platform_data {
	int (*set_timer_src)(struct platform_device *pdev, int source);
	u32 timer_capability;
}

Another benefit from doing this, is that it will simplify the migration of the
dmtimer driver to device-tree. For example, in the current OMAP2+ timer code the
"loses_context" variable is configured at runtime by calling an architecture
specific function. For device tree this creates a problem, because we would need
to call the architecture specific function from within the dmtimer driver.
However, such attributes do not need to be queried at runtime and we can look up
the attributes via HWMOD or device-tree.

This changes a new "capability" variable to the platform data and timer
structure so we can start removing and simplifying the platform data structure.

Signed-off-by: Jon Hunter <jon-hunter@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
2012-06-14 02:39:07 -07:00
Jon Hunter
b7b4ff764f ARM: OMAP2+: Add dmtimer platform function to reserve systimers
During early boot, one or two dmtimers are reserved by the kernel as system
timers (for clocksource and clockevents). These timers are marked as reserved
and the dmtimer driver is notified which timers have been reserved via the
platform data information.

For OMAP2+ devices the timers reserved may vary depending on device and compile
flags. Therefore, it is not easy to assume which timers we be reserved for the
system timers. In order to migrate the dmtimer driver to support device-tree we
need a way to pass the timers reserved for system timers to the dmtimer driver.
Using the platform data structure will not work in the same way as it is
currently used because the platform data structure will be stored statically in
the dmtimer itself and the platform data will be selected via the device-tree
match device function (of_match_device).

There are a couple ways to workaround this. One option is to store the system
timers reserved for the kernel in the device-tree and query them on boot.
The downside of this approach is that it adds some delay to parse the DT blob
to search for the system timers. Secondly, for OMAP3 devices we have a
dependency on compile time flags and the device-tree would not be aware of that
kernel compile flags and so we would need to address that.

The second option is to add a function to the dmtimer code to reserved the
system timers during boot and so the dmtimer knows exactly which timers are
being used for system timers. This also allows us to remove the "reserved"
member from the timer platform data. This seemed like the simpler approach and
so was implemented here.

Signed-off-by: Jon Hunter <jon-hunter@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
2012-06-14 02:39:06 -07:00
Jon Hunter
b8fd733120 ARM: OMAP: Remove unnecessary clk structure
In the plat/dmtimer.h there is a structure named "clk" declared. This structure
is not used and appears to be left over from previous code. Hence, remove this
unused structure.

Verified that both omap1 and omap2plus kernel configurations build with this
change.

Signed-off-by: Jon Hunter <jon-hunter@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
2012-06-14 02:39:05 -07:00
Tony Lindgren
f968cabcb1 ARM: OMAP: Fix MMC_OMAP build when only MMC_OMAP_HS is selected
If CONFIG_MMC_OMAP is not set and CONFIG_MMC_OMAP_HS is set,
we can get error: redefinition of `omap242x_init_mmc' error.

Fix it by removing MMC_OMAP_HS from MMC_OMAP ifdefs as they do
not depend on each other.

While at it, also prettify the formatting a bit.

Signed-off-by: Tony Lindgren <tony@atomide.com>
2012-06-06 01:42:20 -07:00
Afzal Mohammed
d0a9001dce ARM: OMAP2+: am33xx: Add low level debugging support
Add support for low level debugging on AM335X EVM (AM33XX family).
Currently only support for UART1 console, which is used on AM335X EVM
is added.

Signed-off-by: Afzal Mohammed <afzal@ti.com>
Signed-off-by: Vaibhav Hiremath <hvaibhav@ti.com>
Reviewed-by: Kevin Hilman <khilman@ti.com>
Cc: Paul Walmsley <paul@pwsan.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
2012-06-05 00:15:45 -07:00
Tony Lindgren
ded884c2d7 Merge branch 'for_3.5/cleanup/am3xxx-cpu-is-leftovers' of git://git.kernel.org/pub/scm/linux/kernel/git/khilman/linux-omap-pm into fixes 2012-06-04 02:41:19 -07:00
Tony Lindgren
b924b20470 ARM: OMAP: Make FS USB omap1 only
As the FS USB code is not being actively used for omap2+
there's no point keeping it around for omap2+.

Let's make the FS USB platform init code omap1 only so
we can remove the last user of omap_read/write for omap2+,
and simplify things for further USB, DMA, and device tree
related work.

While at it, also group the mach includes for the related
drivers.

Cc: linux-usb@vger.kernel.org
Cc: Kyungmin Park <kyungmin.park@samsung.com>
Acked-by: Felipe Balbi <balbi@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
2012-06-04 00:57:57 -07:00
Oleg Matcovschi
bedfb7adc7 ARM: OMAP: dma: Clear status registers on enable/disable irq
Use omap_disable_channel_irq() function instead of directly accessing CICR
register in various functions.

The omap_disable_chanel_irq() function now clears pending interrupts
and disables interrupt on channel.

Functions omap2_enable_irq_lch()/omap2_disable_irq_lch() clear interrupt
status register.

Signed-off-by: Oleg Matcovschi <oleg.matcovschi@ti.com>
Tested-by: Jarkko Nikula <jarkko.nikula@bitmer.com>
[tony@atomide.com: updated comments to clarify CICR access]
Signed-off-by: Tony Lindgren <tony@atomide.com>
2012-06-03 22:50:42 -07:00
Linus Torvalds
f5e7e844a5 - More robust parsing especially of xattr data in JFFS2
- Updates to mxc_nand and gpmi drivers to support new boards and device tree
  - Improve consistency of information about ECC strength in NAND devices
  - Clean up partition handling of plat_nand
  - Support NAND drivers without dedicated access to OOB area
  - BCH hardware ECC support for OMAP
  - Other fixes and cleanups, and a few new device IDs
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Merge tag 'for-linus-3.5-20120601' of git://git.infradead.org/linux-mtd

Pull mtd update from David Woodhouse:
 - More robust parsing especially of xattr data in JFFS2
 - Updates to mxc_nand and gpmi drivers to support new boards and device tree
 - Improve consistency of information about ECC strength in NAND devices
 - Clean up partition handling of plat_nand
 - Support NAND drivers without dedicated access to OOB area
 - BCH hardware ECC support for OMAP
 - Other fixes and cleanups, and a few new device IDs

Fixed trivial conflict in drivers/mtd/nand/gpmi-nand/gpmi-nand.c due to
added include files next to each other.

* tag 'for-linus-3.5-20120601' of git://git.infradead.org/linux-mtd: (75 commits)
  mtd: mxc_nand: move ecc strengh setup before nand_scan_tail
  mtd: block2mtd: fix recursive call of mtd_writev
  mtd: gpmi-nand: define ecc.strength
  mtd: of_parts: fix breakage in Kconfig
  mtd: nand: fix scan_read_raw_oob
  mtd: docg3 fix in-middle of blocks reads
  mtd: cfi_cmdset_0002: Slight cleanup of fixup messages
  mtd: add fixup for S29NS512P NOR flash.
  jffs2: allow to complete xattr integrity check on first GC scan
  jffs2: allow to discriminate between recoverable and non-recoverable errors
  mtd: nand: omap: add support for hardware BCH ecc
  ARM: OMAP3: gpmc: add BCH ecc api and modes
  mtd: nand: check the return code of 'read_oob/read_oob_raw'
  mtd: nand: remove 'sndcmd' parameter of 'read_oob/read_oob_raw'
  mtd: m25p80: Add support for Winbond W25Q80BW
  jffs2: get rid of jffs2_sync_super
  jffs2: remove unnecessary GC pass on sync
  jffs2: remove unnecessary GC pass on umount
  jffs2: remove lock_super
  mtd: gpmi: add gpmi support for mx6q
  ...
2012-06-01 16:55:42 -07:00
Linus Torvalds
2c757fd5d1 arm-soc: cleanups, part 2
More cleanups, continuing an earlier set with omap and samsung specific
 cleanups. These could not go into the first set because they have
 dependencies on various other series that in turn depend on the first
 cleanups.
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Merge tag 'cleanup2' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc

Pull arm-soc cleanups (part 2) from Olof Johansson:
 "More cleanups, continuing an earlier set with omap and samsung
  specific cleanups.  These could not go into the first set because they
  have dependencies on various other series that in turn depend on the
  first cleanups."

Fixed up conflicts in arch/arm/plat-omap/counter_32k.c due to commit
bd0493eaaf: "move read_{boot,persistent}_clock to the architecture
level" that changed how the persistent clocks were handled.  And trivial
conflicts in arch/arm/mach-omap1/common.h due to just independent
changes close to each other.

* tag 'cleanup2' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (35 commits)
  ARM: SAMSUNG: merge plat-s5p into plat-samsung
  ARM: SAMSUNG: move options for common s5p into plat-samsung/Kconfig
  ARM: SAMSUNG: move setup code for s5p mfc and mipiphy into plat-samsung
  ARM: SAMSUNG: move platform device for s5p uart into plat-samsung
  ARM: SAMSUNG: move hr timer for common s5p into plat-samsung
  ARM: SAMSUNG: move pm part for common s5p into plat-samsung
  ARM: SAMSUNG: move interrupt part for common s5p into plat-samsung
  ARM: SAMSUNG: move clock part for common s5p into plat-samsung
  ARM: S3C24XX: Use common macro to define resources on dev-uart.c
  ARM: S3C24XX: move common clock init into common.c
  ARM: S3C24XX: move common power-management code to mach-s3c24xx
  ARM: S3C24XX: move plat-s3c24xx/dev-uart.c into common.c
  ARM: S3C24XX: move plat-s3c24xx/cpu.c
  ARM: OMAP2+: Kconfig: convert SOC_OMAPAM33XX to SOC_AM33XX
  ARM: OMAP2+: Kconfig: convert SOC_OMAPTI81XX to SOC_TI81XX
  GPMC: add ECC control definitions
  ARM: OMAP2+: dmtimer: remove redundant sysconfig context restore
  ARM: OMAP: AM35xx: convert 3517 detection/flags to AM35xx
  ARM: OMAP: AM35xx: remove redunant cpu_is checks for AM3505
  ARM: OMAP1: Pass dma request lines in platform data to MMC driver
  ...
2012-05-26 12:31:49 -07:00
Kevin Hilman
96f3994929 ARM: OMAP: SoC detection: remove unused cpu_is macros
Remove multiple unused cpu_is_omap35xx macros.

In particular, the cpu_is_omap35* macros for 3503, 3515, 3525 are removed
because they are using omap_has_* feature checks and we want to
remove specific feature detection from SoC family detection.

There are no longer any cpu_is_* checks that depend on specific IP
detection.

Acked-by: Vaibhav Hiremath <hvaibhav@ti.com>
Tested-by: Vaibhav Hiremath <hvaibhav@ti.com>
Tested-by: Mark A. Greer <mgreer@animalcreek.com>
Signed-off-by: Kevin Hilman <khilman@ti.com>
2012-05-25 15:48:48 -07:00