Commit Graph

949 Commits

Author SHA1 Message Date
Russell King
da2265b130 ARM: tegra: remove tegra specific cpu_disable()
The tegra cpu_disable() function is the same as the generic version
in arch/arm/kernel/smp.c.  Therefore, it can be removed.

Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2013-04-18 18:04:09 +01:00
Stephen Warren
c312908a10 ARM: tegra: solve adr range issue with THUMB2_KERNEL enabled
When building the kernel with CONFIG_THUMB2_KERNEL enabled, older
assemblers may emit the following error:

reset-handler.S:78: Error: invalid immediate for address calculation (value = 0x00000004)

Using an explicit adr.w instruction will solve this. Newer assemblers do
this automatically. Use the W() macro to do this under Thumb mode only.

Inspired-by: Joseph Lo <josephl@nvidia.com>
Suggested-by: Dave Martin <dave.martin@linaro.org>
Signed-off-by: Stephen Warren <swarren@nvidia.com>
Signed-off-by: Olof Johansson <olof@lixom.net>
2013-04-18 09:35:19 -07:00
Joseph Lo
128673b364 ARM: tegra: pm: fix build error w/o PM_SLEEP
This fixes the building error when the PM_SLEEP is disabled. The fucntional
defintion of "tegra_pm_validate_suspend_mode" without "static inline"
would become a multiple definition error.

Reported-by: Rhyland Klein <rklein@nvidia.com>
Signed-off-by: Joseph Lo <josephl@nvidia.com>
Signed-off-by: Stephen Warren <swarren@nvidia.com>
Signed-off-by: Olof Johansson <olof@lixom.net>
2013-04-18 09:34:13 -07:00
Joseph Lo
a65dc10ffa ARM: tegra: fix relocation truncated error when THUMB2_KERNEL enabled
The conditional branch instruction in Thumb2 only available to short range.
The linker will fail when the conditional branch over the range. Then
resulting in link error when generating kernel image. e.g.:

arch/arm/mach-tegra/reset-handler.S:47:(.text+0xf8e):
relocation truncated to fit: R_ARM_THM_JUMP19 against symbol
`cpu_resume' defined in .data section in arch/arm/kernel/built-in.o

This patch using a Thumb2 instruction IT (if-then) to have a longer branch
range.

Reported-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Joseph Lo <josephl@nvidia.com>
Signed-off-by: Stephen Warren <swarren@nvidia.com>
Reviewed-by: Dave Martin <dave.martin@linaro.org>
Signed-off-by: Olof Johansson <olof@lixom.net>
2013-04-18 09:30:40 -07:00
Joseph Lo
5777b4b577 ARM: tegra: fix build error when THUMB2_KERNEL enabled
This patch fix the build failure when CONFIG_THUBM2_KERNEL enabled. You
clould see the error message below:

arch/arm/mach-tegra/sleep-tegra30.S:69: Error: shift must be constant --
`orr r12,r12,r4,lsl r3'

Reported-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Joseph Lo <josephl@nvidia.com>
Signed-off-by: Stephen Warren <swarren@nvidia.com>
Reviewed-by: Dave Martin <dave.martin@linaro.org>
Signed-off-by: Olof Johansson <olof@lixom.net>
2013-04-18 09:30:32 -07:00
Arnd Bergmann
408e713545 ARM: tegra: build assembly files with -march=armv7-a
The tegra assembly files are written for ARMv7 and are not compatible
with ARMv6, which leads to build warnings when compiling a dual
ARMv6/v7 kernel. Since this code is only ever run on Tegra ARMv7
hardware, we can tell the assembler which architecture level to
use.

Signed-off-by: Arnd Bergmann <arnd@arndb.de>
2013-04-09 22:04:00 +02:00
Stephen Boyd
4c3ffffdbc ARM: Push selects for TWD/SCU into machine entries
The TWD and SCU configs are selected by default as long as
MSM_SCORPIONMP is false and/or MCT is false. Implementing the
logic this way certainly saves lines in the Kconfig but it
precludes those machines which select MSM_SCORPIONMP or MCT from
participating in the single zImage effort because when those
machines are combined with other SMP capable machines the TWD and
SCU are no longer selected by default.

Push the select out to the machine entries so that we can compile
these machines together and still select the appropriate configs.

Cc: Barry Song <baohua.song@csr.com>
Acked-by: David Brown <davidb@codeaurora.org>
Cc: Kukjin Kim <kgene.kim@samsung.com>
Cc: Linus Walleij <linus.walleij@linaro.org>
Acked-by: Pawel Moll <pawel.moll@arm.com>
Cc: Rob Herring <rob.herring@calxeda.com>
Cc: Russell King <linux@arm.linux.org.uk>
Acked-by: Santosh Shilimkar <santosh.shilimkar@ti.com>
Cc: Sascha Hauer <kernel@pengutronix.de>
Cc: Shiraz Hashim <shiraz.hashim@st.com>
Acked-by: Simon Horman <horms@verge.net.au>
Cc: Srinidhi Kasagar <srinidhi.kasagar@stericsson.com>
Cc: Stephen Warren <swarren@wwwdotorg.org>
Cc: Tony Lindgren <tony@atomide.com>
Acked-by: Viresh Kumar <viresh.linux@gmail.com>
Signed-off-by: Stephen Boyd <sboyd@codeaurora.org>
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
2013-04-09 21:30:24 +02:00
Arnd Bergmann
2b07910131 ARM: tegra: clock driver development
This branch contains most fixes and enhancements to the Tegra common
 clock driver. The main new feature is a driver for Tegra114, which
 coupled with later device tree changes enables many devices on that
 chip, such as MMC, I2C, etc.
 
 This branch depends on a patch in:
 
 git://git.linaro.org/people/mturquette/linux.git clk-for-3.10
 
 Mike has stated that this branch is stable, and is aware of this
 dependency and merge.
 
 Mike's branch is based on v3.9-rc3, which includes a USB change which
 causes problems on Tegra. That problem was fixed in v3.9-rc4. Hence,
 this branch pulls in v3.9-rc4 to ensure bisectability as much as
 possible.
 
 This branch is based on v3.9-rc4, followed by a merge of previous Tegra
 "soc" pull request, followed by a merge of clk-for-3.10.
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Merge tag 'tegra-for-3.10-clk' of git://git.kernel.org/pub/scm/linux/kernel/git/swarren/linux-tegra into next/drivers

From Stephen Warren <swarren@wwwdotorg.org>:

ARM: tegra: clock driver development

This branch contains most fixes and enhancements to the Tegra common
clock driver. The main new feature is a driver for Tegra114, which
coupled with later device tree changes enables many devices on that
chip, such as MMC, I2C, etc.

This branch depends on a patch in:

git://git.linaro.org/people/mturquette/linux.git clk-for-3.10

Mike has stated that this branch is stable, and is aware of this
dependency and merge.

Mike's branch is based on v3.9-rc3, which includes a USB change which
causes problems on Tegra. That problem was fixed in v3.9-rc4. Hence,
this branch pulls in v3.9-rc4 to ensure bisectability as much as
possible.

This branch is based on v3.9-rc4, followed by a merge of previous Tegra
"soc" pull request, followed by a merge of clk-for-3.10.

* tag 'tegra-for-3.10-clk' of git://git.kernel.org/pub/scm/linux/kernel/git/swarren/linux-tegra:
  clk: tegra: fix enum tegra114_clk to match binding
  clk: tegra: Remove forced clk_enable of uartd
  ARM: dt: Add references to tegra_car clocks
  clk: tegra: devicetree match for nvidia,tegra114-car
  clk: tegra: Implement clocks for Tegra114
  ARM: tegra: Define Tegra114 CAR binding
  clk: tegra: Workaround for Tegra114 MSENC problem
  clk: tegra: Add flags to tegra_clk_periph()
  clk: tegra: Add new fields and PLL types for Tegra114
  clk: tegra: move from a lock bit idx to a lock mask
  clk: tegra: Add PLL post divider table
  clk: tegra: introduce TEGRA_PLL_HAS_LOCK_ENABLE
  clk: tegra: Add TEGRA_PLL_BYPASS flag
  clk: tegra: Refactor PLL programming code
  clk: tegra: provide dummy cpu car ops
  clk: tegra: defer application of init table
  clk: tegra: Fix cdev1 and cdev2 IDs
  clk: tegra: Make gr2d and gr3d clocks children of pll_c
  clk: tegra: Export peripheral reset functions
  clk: tegra: Fix periph_clk_to_bit macro

Signed-off-by: Arnd Bergmann <arnd@arndb.de>
2013-04-09 17:10:31 +02:00
Arnd Bergmann
1194b152cd Merge branch 'tegra/soc' into next/drivers
This is a dependency for the tegra/clk branch.

Signed-off-by: Arnd Bergmann <arnd@arndb.de>

Conflicts:
	drivers/clocksource/tegra20_timer.c
2013-04-09 17:07:36 +02:00
Arnd Bergmann
494cc76061 ARM: tegra: multi-platform conversion
This branch converts Tegra to support multi-platform/single-zImage.
 
 One header is made accessible to drivers. The earlyprintk implementation
 is moved to the multi-platform location. Some Kconfig changes are made
 to enable multi-platform. Some dead files are deleted.
 
 The APIs exposed in the now-global tegra-powergate.h should be replaced
 with standard reset and power domain APIs in the future.
 
 This branch is based on (part of) the previous soc pull request.
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Merge tag 'tegra-for-3.10-multiplatform' of git://git.kernel.org/pub/scm/linux/kernel/git/swarren/linux-tegra into next/multiplatform

From Stephen Warren <swarren@wwwdotorg.org>:

ARM: tegra: multi-platform conversion

This branch converts Tegra to support multi-platform/single-zImage.

One header is made accessible to drivers. The earlyprintk implementation
is moved to the multi-platform location. Some Kconfig changes are made
to enable multi-platform. Some dead files are deleted.

The APIs exposed in the now-global tegra-powergate.h should be replaced
with standard reset and power domain APIs in the future.

This branch is based on (part of) the previous soc pull request.

* tag 'tegra-for-3.10-multiplatform' of git://git.kernel.org/pub/scm/linux/kernel/git/swarren/linux-tegra:
  ARM: tegra: convert to multi-platform
  ARM: tegra: move <mach/powergate.h> to <linux/tegra-powergate.h>

Signed-off-by: Arnd Bergmann <arnd@arndb.de>
2013-04-09 16:55:15 +02:00
Arnd Bergmann
6cd2f8e7da ARM: tegra: core SoC support development
This branch includes major development on the core Tegra SoC support code
 in the mach-tegra directory:
 
 * SMP support for Tegra114.
 * Exposes SoC chip ID and revision through standard sysfs files.
 * System-level suspend/resume for Tegra20/30. At present, this only
   supports "LP2" mode (CPU power-down), but provides the basis to
   implement "LP0"/"LP1" (various levels of core/chip power-down) in the
   hopefully near future.
 * A minor cleanup of a duplicate include, which was introduced in this
   branch.
 
 This branch is based on the previous cleanup pull request.
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Merge tag 'tegra-for-3.10-soc' of git://git.kernel.org/pub/scm/linux/kernel/git/swarren/linux-tegra into next/soc

From Stephen Warren <swarren@wwwdotorg.org>:

ARM: tegra: core SoC support development

This branch includes major development on the core Tegra SoC support code
in the mach-tegra directory:

* SMP support for Tegra114.
* Exposes SoC chip ID and revision through standard sysfs files.
* System-level suspend/resume for Tegra20/30. At present, this only
  supports "LP2" mode (CPU power-down), but provides the basis to
  implement "LP0"/"LP1" (various levels of core/chip power-down) in the
  hopefully near future.
* A minor cleanup of a duplicate include, which was introduced in this
  branch.

This branch is based on the previous cleanup pull request.

* tag 'tegra-for-3.10-soc' of git://git.kernel.org/pub/scm/linux/kernel/git/swarren/linux-tegra:
  ARM: tegra: pm: remove duplicated include from pm.c
  ARM: tegra: cpuidle: remove redundant parameters for powered-down mode
  ARM: tegra: pm: add platform suspend support
  ARM: dt: tegra: add bindings of power management configurations for PMC
  ARM: tegra: irq: add wake up handling
  gpio: tegra: add gpio wakeup source handling
  ARM: tegra: moving the CPU power timer function to PMC driver
  ARM: tegra: add clock source of PMC to device trees
  ARM: tegra: add speedo-based process id for Tegra114
  ARM: tegra: expose chip ID and revision
  ARM: tegra: bring up secondary CPU for Tegra114

Signed-off-by: Arnd Bergmann <arnd@arndb.de>
2013-04-09 16:32:20 +02:00
Arnd Bergmann
8024206dbf ARM: tegra: cleanup
This branch includes various cleanup of the core Tegra support.
 
 * Unification of the separate board-dt-tegra*.c files into a single
   tegra.c, now that everything is DT-driven and basically identical.
 * Use of_clk_get() in the Tegra clocksource driver so that clocks are
   described in DT rather than hard-coding clock names.
 * Some cleanup of the PMC-related code, with the aim that the PMC
   "driver" contains more of the code that touches PMC registers, rather
   than spreading PMC register accesses through other files.
 * Conversion of the "PMC" driver to acquire resources describe in device
   tree rather than hard-coding them.
 * Use of common code for the CPU sleep TLB invalidation.
 
 This branch is based on the previous fixes pull request.
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Merge tag 'tegra-for-3.10-cleanup' of git://git.kernel.org/pub/scm/linux/kernel/git/swarren/linux-tegra into next/cleanup

From Stephen Warren <swarren@wwwdotorg.org>:

ARM: tegra: cleanup

This branch includes various cleanup of the core Tegra support.

* Unification of the separate board-dt-tegra*.c files into a single
  tegra.c, now that everything is DT-driven and basically identical.
* Use of_clk_get() in the Tegra clocksource driver so that clocks are
  described in DT rather than hard-coding clock names.
* Some cleanup of the PMC-related code, with the aim that the PMC
  "driver" contains more of the code that touches PMC registers, rather
  than spreading PMC register accesses through other files.
* Conversion of the "PMC" driver to acquire resources describe in device
  tree rather than hard-coding them.
* Use of common code for the CPU sleep TLB invalidation.

This branch is based on the previous fixes pull request.

* tag 'tegra-for-3.10-cleanup' of git://git.kernel.org/pub/scm/linux/kernel/git/swarren/linux-tegra:
  ARM: tegra: use setup_mm_for_reboot rather than explicit pgd switch
  ARM: tegra: replace the CPU power on function with PMC call
  ARM: tegra: pmc: add power on function for secondary CPUs
  ARM: tegra: pmc: convert PMC driver to support DT only
  ARM: tegra: fix the PMC compatible string in DT
  ARM: tegra: pmc: add specific compatible DT string for Tegra30 and Tegra114
  ARM: tegra: refactor tegra{20,30}_boot_secondary
  clocksource: tegra: move to of_clk_get
  ARM: tegra: Unify Device tree board files
  ARM: tegra: Rename board-dt-tegra20.c to tegra.c
  ARM: tegra: Unify tegra{20,30,114}_init_early()

Conflicts:
	drivers/clocksource/tegra20_timer.c

Signed-off-by: Arnd Bergmann <arnd@arndb.de>
2013-04-09 15:27:52 +02:00
Arnd Bergmann
5be8f63688 Merge branch 'tegra/fixes' into next/cleanup
This is a dependency for tegra/cleanups

Signed-off-by: Arnd Bergmann <arnd@arndb.de>
2013-04-09 15:26:51 +02:00
Daniel Lezcano
0697598db5 ARM: tegra: cpuidle: remove useless initialization
dev->state_count is initialized automatically by
cpuidle_register_device().

When drv->state_count is equal to dev->state_count, no need to init
this field, so removing it.

Signed-off-by: Daniel Lezcano <daniel.lezcano@linaro.org>
Reviewed-by: Joseph Lo <josephl@nvidia.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
2013-04-08 22:20:06 +02:00
Daniel Lezcano
14ad7a119b ARM: tegra2: cpuidle: change driver initialization
Initialize the idle states directly in the driver structure.

That prevents extra structure declaration and memcpy at init time.

Signed-off-by: Daniel Lezcano <daniel.lezcano@linaro.org>
Reviewed-by: Joseph Lo <josephl@nvidia.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
2013-04-08 22:20:06 +02:00
Viresh Kumar
ceff98e333 cpufreq: tegra: Move driver to drivers/cpufreq
This patch moves cpufreq driver of ARM based tegra platform to drivers/cpufreq.

Signed-off-by: Viresh Kumar <viresh.kumar@linaro.org>
Acked-by: Stephen Warren <swarren@nvidia.com>
Tested-by: Stephen Warren <swarren@nvidia.com>
Acked-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
2013-04-08 13:02:30 +02:00
Wei Yongjun
38be85de69 ARM: tegra: pm: remove duplicated include from pm.c
Remove duplicated include.

Signed-off-by: Wei Yongjun <yongjun_wei@trendmicro.com.cn>
Signed-off-by: Stephen Warren <swarren@nvidia.com>
2013-04-05 09:40:17 -06:00
Stephen Warren
441f199a37 clk: tegra: defer application of init table
The Tegra clock driver is initialized during the ARM machine descriptor's
.init_irq() hook. It can't be initialized earlier, since dynamic memory
usage is required. It can't be initialized later, since the .init_timer()
hook needs the clocks initialized. However, at this time, udelay()
doesn't work.

The Tegra clock initialization table may enable some PLLs. Enabling a PLL
may require usage of udelay(). Hence, this can't happen right when the
clock driver is initialized.

To solve this, separate the clock driver initialization from the clock
table processing, so they can execute at separate times.

Signed-off-by: Stephen Warren <swarren@nvidia.com>
2013-04-04 16:09:05 -06:00
Joseph Lo
4d82d0587b ARM: tegra: cpuidle: remove redundant parameters for powered-down mode
After the patch series for system suspending support, tegra_idle_lp2_last()
no longer uses its parameters cpu_on_time or cpu_off_time, so remove them.

Signed-off-by: Joseph Lo <josephl@nvidia.com>
Signed-off-by: Stephen Warren <swarren@nvidia.com>
2013-04-03 14:45:42 -06:00
Joseph Lo
c8c2e60690 ARM: tegra: pm: add platform suspend support
Adding suspend to RAM support for Tegra platform. There are three suspend
mode for Tegra. The difference were below.

* LP2: CPU voltage off
* LP1: CPU voltage off, DRAM in self-refresh
* LP0: CPU + Core voltage off, DRAM in self-refresh

After this patch, the LP2 suspend mode will be supported.

Signed-off-by: Joseph Lo <josephl@nvidia.com>
Signed-off-by: Stephen Warren <swarren@nvidia.com>
2013-04-03 14:31:41 -06:00
Joseph Lo
4b51ccbc46 ARM: dt: tegra: add bindings of power management configurations for PMC
The PMC mostly controls the entry and exit of the system from different
sleep modes. Different platform or system may have different configurations.
The power management configurations of PMC is represented as some properties.
The system needs to define the properties when the system supports deep sleep
mode (i.e. suspend).

Cc: Grant Likely <grant.likely@secretlab.ca>
Cc: Rob Herring <rob.herring@calxeda.com>
Cc: devicetree-discuss@lists.ozlabs.org
Signed-off-by: Joseph Lo <josephl@nvidia.com>
Signed-off-by: Stephen Warren <swarren@nvidia.com>
2013-04-03 14:31:36 -06:00
Joseph Lo
e307cc8941 ARM: tegra: irq: add wake up handling
Add the wake up handling for legacy irq controller, and using
IRQCHIP_MASK_ON_SUSPEND for wake irq handling.

Based on the work by:
Varun Wadekar <vwadekar@nvidia.com>

Signed-off-by: Joseph Lo <josephl@nvidia.com>
Signed-off-by: Stephen Warren <swarren@nvidia.com>
2013-04-03 14:31:32 -06:00
Joseph Lo
0337c3e0c3 ARM: tegra: moving the CPU power timer function to PMC driver
The CPU power timer set up function was related to PMC register. Now moving
it to PMC driver. And it also help to clean up the PM related code later.

The timer was calculated based on the input clock of PMC. In this patch, we
also get the clock from DT.

Signed-off-by: Joseph Lo <josephl@nvidia.com>
Signed-off-by: Stephen Warren <swarren@nvidia.com>
2013-04-03 14:30:22 -06:00
Tony Lindgren
43231b5be6 Merge commit '7185684' into omap-for-v3.10/timer
Conflicts:
	arch/arm/plat-omap/dmtimer.c

Resolve merge conflict in omap_device.c as per
Lothar Waßmann <LW@KARO-electronics.de>.
2013-04-03 10:32:47 -07:00
Viresh Kumar
b43a7ffbf3 cpufreq: Notify all policy->cpus in cpufreq_notify_transition()
policy->cpus contains all online cpus that have single shared clock line. And
their frequencies are always updated together.

Many SMP system's cpufreq drivers take care of this in individual drivers but
the best place for this code is in cpufreq core.

This patch modifies cpufreq_notify_transition() to notify frequency change for
all cpus in policy->cpus and hence updates all users of this API.

Signed-off-by: Viresh Kumar <viresh.kumar@linaro.org>
Acked-by: Stephen Warren <swarren@nvidia.com>
Tested-by: Stephen Warren <swarren@nvidia.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
2013-04-02 15:24:00 +02:00
Stephen Warren
9002722560 ARM: tegra: convert to multi-platform
This allows Tegra be included in a kernel build that supports multiple
SoCs at once, which is useful for distro kernels.

This change:
* Moves Tegra's Kconfig into its own directory, as seems typical for
  multi-platform conversions.
* Stops selecting some ARM errata that are incompatible with multi-
  platform. This requires that you use a bootloader that enables the
  workaround!
* Deletes some headers and Makefile.boot that aren't needed now that we
  support multi-platform.

Signed-off-by: Stephen Warren <swarren@nvidia.com>
2013-03-29 18:10:25 -06:00
Stephen Warren
e4bcda2834 ARM: tegra: move <mach/powergate.h> to <linux/tegra-powergate.h>
This is required so that code such as Tegra's PCIe and clock drivers
can still access this header file once Tegra is converted to
multiplatform, and <mach/> no longer exists.

Signed-off-by: Stephen Warren <swarren@nvidia.com>
2013-03-29 18:10:22 -06:00
Thierry Reding
eebd1fda23 ARM: tegra: powergate: Don't error out if new state == old state
Don't treat it as an error if a partition is already in the same power
state when a user wants to power it on or off. This allows code to
proceed if no state change is required.

Signed-off-by: Thierry Reding <thierry.reding@avionic-design.de>
Signed-off-by: Stephen Warren <swarren@nvidia.com>
2013-03-29 10:38:30 -06:00
Thierry Reding
99f69fea23 ARM: tegra: Export tegra_powergate_sequence_power_up()
This function can be used by drivers to enable power to the hardware
blocks that they drive. Most of the drivers can be built as a module
and therefore require this function to be exported.

Signed-off-by: Thierry Reding <thierry.reding@avionic-design.de>
Signed-off-by: Stephen Warren <swarren@nvidia.com>
2013-03-29 10:38:25 -06:00
Will Deacon
6affb48264 ARM: tegra: use setup_mm_for_reboot rather than explicit pgd switch
This patch changes the Tegra PM code to use the setup_mm_for_reboot
helper rather than call cpu_switch_mm directly. This keeps things like
TLB invalidation in one place.

Cc: Stephen Warren <swarren@wwwdotorg.org>
Signed-off-by: Will Deacon <will.deacon@arm.com>
Signed-off-by: Stephen Warren <swarren@nvidia.com>
2013-03-26 14:30:41 -06:00
Catalin Marinas
c0114709ed irqchip: gic: Perform the gic_secondary_init() call via CPU notifier
All the calls to gic_secondary_init() pass 0 as the first argument.
Since this function is called on each CPU when starting, it can be done
in a platform-independent way via a CPU notifier registered by the GIC
code.

Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
Acked-by: Stephen Warren <swarren@nvidia.com>
Acked-by: Viresh Kumar <viresh.kumar@linaro.org>
Acked-by: Santosh Shilimkar <santosh.shilimkar@ti.com>
Acked-by: Rob Herring <rob.herring@calxeda.com>
Acked-by: Simon Horman <horms+renesas@verge.net.au>
Tested-by: Simon Horman <horms+renesas@verge.net.au>
Acked-by: Srinidhi Kasagar <srinidhi.kasagar@stericsson.com>
Tested-by: Dinh Nguyen <dinguyen@altera.com>
Acked-by: Nicolas Pitre <nico@linaro.org>
Tested-by: Marc Zyngier <marc.zyngier@arm.com>
Cc: Russell King <linux@arm.linux.org.uk>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: Kukjin Kim <kgene.kim@samsung.com>
Cc: Sascha Hauer <kernel@pengutronix.de>
Cc: David Brown <davidb@codeaurora.org>
Cc: Bryan Huntsman <bryanh@codeaurora.org>
Cc: Tony Lindgren <tony@atomide.com>
Cc: Magnus Damm <magnus.damm@gmail.com>
Cc: Shiraz Hashim <shiraz.hashim@st.com>
Cc: Linus Walleij <linus.walleij@linaro.org>
Cc: Will Deacon <will.deacon@arm.com>
Cc: Kukjin Kim <kgene.kim@samsung.com>
Cc: Barry Song <baohua.song@csr.com>
2013-03-26 16:12:02 +00:00
Stephen Warren
49a64ac555 i2c: tegra: assume CONFIG_OF, remove platform data
Tegra only supports, and always enables, device tree. Remove all ifdefs
and runtime checks for DT support from the driver. Platform data is
therefore no longer required. Delete the header that defines it.

Signed-off-by: Stephen Warren <swarren@nvidia.com>
Signed-off-by: Wolfram Sang <wsa@the-dreams.de>
2013-03-24 10:30:55 +01:00
Felipe Balbi
75f32ec1de arm: tegra: fix Kconfig select clauses
USB_ULPI and USB_ULPI_VIEWPORT shouldn't really
be selected directly by anyone, but since Tegra
still needs some time before turning ulpi viewport
into a proper PHY driver, we need to keep the
selects in place.

This patch just fixes the conditional select
so that it will continue to build after merging
the latest PHY layer changes.

Acked-by: Stephen Warren <swarren@nvidia.com>
Tested-by: Stephen Warren <swarren@nvidia.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
2013-03-20 19:56:21 +02:00
Danny Huang
7495b2eb07 ARM: tegra: add speedo-based process id for Tegra114
Add speedo-based process identification for Tegra114.

Based on the work by: Alex Frid <afrid@nvidia.com>

Signed-off-by: Danny Huang <dahuang@nvidia.com>
[swarren: added include of bug.h]
Signed-off-by: Stephen Warren <swarren@nvidia.com>
2013-03-19 11:52:06 -06:00
Danny Huang
d591fdf8e2 ARM: tegra: expose chip ID and revision
Expose Tegra chip ID and revision in /sys/devices/soc for user mode
usage

Signed-off-by: Danny Huang <dahuang@nvidia.com>
Signed-off-by: Stephen Warren <swarren@nvidia.com>
2013-03-15 12:49:15 -06:00
Joseph Lo
e562b86581 ARM: tegra: bring up secondary CPU for Tegra114
The secondary CPU can be brought up by toggling the power in PMC. Then
the flow controller will release CPU to go by clearing the reset and
clamp signal automatically.

Based on the work by:
Bo Yan <byan@nvidia.com>

Signed-off-by: Joseph Lo <josephl@nvidia.com>
Signed-off-by: Stephen Warren <swarren@nvidia.com>
2013-03-11 14:30:58 -06:00
Joseph Lo
7e56474456 ARM: tegra: replace the CPU power on function with PMC call
Using the CPU power on function in PMC driver to bring up secondary CPUs,
because we are going to re-factor powergate driver to support generic
power domain. It will be removed later and added the generic power domain
support in PMC driver.

Signed-off-by: Joseph Lo <josephl@nvidia.com>
Signed-off-by: Stephen Warren <swarren@nvidia.com>
2013-03-11 14:29:45 -06:00
Joseph Lo
c141753fc3 ARM: tegra: pmc: add power on function for secondary CPUs
Adding the power on function for secondary CPUs in PMC driver, this can
help us to remove legacy powergate driver and add generic power domain
support later.

Signed-off-by: Joseph Lo <josephl@nvidia.com>
Signed-off-by: Stephen Warren <swarren@nvidia.com>
2013-03-11 14:29:44 -06:00
Joseph Lo
291fde31a9 ARM: tegra: pmc: convert PMC driver to support DT only
The Tegra kernel only support boot from DT now. Clean up the PMC driver
to support DT only, that includes:

* remove the ifdef of CONFIG_OF
* replace the static mapping of PMC addr to map from DT

Signed-off-by: Joseph Lo <josephl@nvidia.com>
Signed-off-by: Stephen Warren <swarren@nvidia.com>
2013-03-11 14:29:44 -06:00
Joseph Lo
88c4aba92b ARM: tegra: pmc: add specific compatible DT string for Tegra30 and Tegra114
The PMC HW is not 100% compatible across all Tegra series. We need to
specify each of them in the DT match table.

Signed-off-by: Joseph Lo <josephl@nvidia.com>
Signed-off-by: Stephen Warren <swarren@nvidia.com>
2013-03-11 14:29:44 -06:00
Hiroshi Doyu
0d1f79b033 ARM: tegra: refactor tegra{20,30}_boot_secondary
"tegra_boot_secondary()" has many condition branches for some Tegra
SoC generations in a single function so that it's not easy to compile
a kernel only for a single SoC if one wants with some reason, debug
purpose(?). This patch provides SoC specific version of
boot_secondary(), tegra{20,30}_boot_secondary(). This could allow
any combination of SoC to be built. Those boot_secondary functions can
be preparation when we ntroduce chip specific function pointers in the
future without having chip dependent branches around.

Also removed unused definition/prototpye.

Signed-off-by: Hiroshi Doyu <hdoyu@nvidia.com>
[josephl: remove the Tegra114 part of the original patch]
Signed-off-by: Joseph Lo <josephl@nvidia.com>
Signed-off-by: Stephen Warren <swarren@nvidia.com>
2013-03-11 14:29:44 -06:00
Hiroshi Doyu
1b14f3a57b ARM: tegra: Unify Device tree board files
Unify board-dt-tegra{30,114} to the Tegra20 DT board file, "tegra.c".

Signed-off-by: Hiroshi Doyu <hdoyu@nvidia.com>
Signed-off-by: Stephen Warren <swarren@nvidia.com>
2013-03-11 14:29:43 -06:00
Hiroshi Doyu
2dfc91e831 ARM: tegra: Rename board-dt-tegra20.c to tegra.c
This is the preparation to unify "board-dt-tegra{20,30,114}.c" to a
single file "tegra.c".

Signed-off-by: Hiroshi Doyu <hdoyu@nvidia.com>
Signed-off-by: Stephen Warren <swarren@nvidia.com>
2013-03-11 14:29:43 -06:00
Hiroshi Doyu
7469688e83 ARM: tegra: Unify tegra{20,30,114}_init_early()
Refactored tegra{20,30,114}_init_early() so that we have the unified
tegra_init_early().

Signed-off-by: Hiroshi Doyu <hdoyu@nvidia.com>
Signed-off-by: Stephen Warren <swarren@nvidia.com>
2013-03-11 14:29:43 -06:00
Stephen Warren
84b808da2d ARM: tegra: fix ignored return value of regulator_enable
This fixes:

arch/arm/mach-tegra/board-harmony-pcie.c: In function ‘harmony_pcie_init’:
arch/arm/mach-tegra/board-harmony-pcie.c:65:18: warning: ignoring return
    value of ‘regulator_enable’, declared with attribute
    warn_unused_result [-Wunused-result]

Signed-off-by: Stephen Warren <swarren@nvidia.com>
2013-03-11 14:29:23 -06:00
Joseph Lo
2be8951e14 ARM: tegra: fix the logical detection of power on sequence of warm boot CPUs
The warm boot sequence of Tegra30 secondary CPUs should wait for the
power ready then removing the clamps.

This did not fix any known or unknown issue, but nice to have this fix.

Signed-off-by: Joseph Lo <josephl@nvidia.com>
Signed-off-by: Stephen Warren <swarren@nvidia.com>
2013-03-11 14:29:22 -06:00
Hiroshi Doyu
b4c25cc382 ARM: tegra: Fix unchecked return value
Check a return value for tegra_powergate_remove_clamping().

Signed-off-by: Hiroshi Doyu <hdoyu@nvidia.com>
Signed-off-by: Joseph Lo <josephl@nvidia.com>
Signed-off-by: Stephen Warren <swarren@nvidia.com>
2013-03-11 14:29:22 -06:00
Joseph Lo
b095ae2b9f ARM: tegra: don't unlock MMIO access to DBGLAR
There is no need to unlock MMIO access to the DBGLAR all the time. Doing
so may even cause problems if a SW bug causes writes to that MMIO region.

Cortex-A15 processors do not support the CP14 register write the code
currently uses to unlock the DBGLAR; the instruction throws an undefined
instruction exceptions. This prevents tegra_secondary_startup() from
executing on Tegra114, and hence prevents SMP.

Remove the code that unlocks this access.

Signed-off-by: Joseph Lo <josephl@nvidia.com>
Signed-off-by: Stephen Warren <swarren@nvidia.com>
2013-03-11 14:29:22 -06:00
Stephen Warren
02e75d6488 ARM: tegra: remove save/restore of CPU diag register
Prior to this change, {save,restore}_cpu_arch_register() collaborated to
maintain the value of the CPU diagnostic register across power cycles.
This was required to maintain any CPU errata workaround enable bits in
that register. However, now that the Tegra reset vector code always
enables all required workarounds, there is no need to save and restore
the diagnostic register; it is always explicitly programmed in the
required manner.

Hence, remove the save/restore logic.

This has the advantage that the kernel always directly controls the value
of this register every boot, rather than relying on a bootloader or other
kernel code having previously written the correct value into it. This
makes CPU0 (which was previously saved/restored) and CPUn (which should
have been set up by the reset vector) be controlled in exactly the same
way, which is easier to debug/find/...

In particular, when converting Tegra to a multi-platform kernel, the CPU0
diagnostic register value initially comes from the bootloader. Most Tegra
bootloaders don't yet enable all required CPU bug workarounds. The
previous commit updates the kernel to do so on any CPU power cycle.
However, the save/restore code ends up over-writing the value with the
old bootloader-driven value instead of the now more-likely-to-be-correct
kernel value!

Even irrespective of multi-platform conversion, this change limits the
kernel's exposure to any WARs the bootloader didn't enable for CPU0: on
the very first LP2 transition (CPU power-saving which power-cycles the
CPU), the correct value will be enabled.

Signed-off-by: Stephen Warren <swarren@nvidia.com>
2013-03-11 14:29:22 -06:00
Stephen Warren
c34f30e588 ARM: tegra: add CPU errata WARs to Tegra reset handler
The CPU cores in Tegra contain some errata. Workarounds must be applied
for these every time a CPU boots. Implement those workarounds directly
in the Tegra-specific CPU reset vector.

Many of these workarounds duplicate code in the core ARM kernel.

However, the core ARM kernel cannot enable those workarounds when
building a multi-platform kernel, since they require writing to secure-
only registers, and a multi-platform kernel often does not run in secure
mode, and also cannot generically/architecturally detect whether it is
running in secure mode, and hence cannot either unconditionally or
conditionally apply these workarounds.

Instead, the workarounds must be applied in architecture-specific reset
code, which is able to have more direct knowledge of the secure/normal
state. On Tegra, we will be able to detect this using a non-architected
register in the future, although we currently assume the kernel runs only
in secure mode. Other SoCs may never run the kernel in secure mode, and
hence always rely on a secure monitor to enable the workarounds, and
hence never implement them in the kernel.

Signed-off-by: Stephen Warren <swarren@nvidia.com>
2013-03-11 14:29:22 -06:00
Russell King
23cbd4e84f ARM: cleanup: clk_get_sys() error handling
Fix clk_get_sys() error handling; IS_ERR() should be used rather than
IS_ERR_OR_NULL() to check for errors.

Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2013-02-24 10:51:00 +00:00
Russell King
f863440d54 ARM: cleanup: regulator_get() error handling
regulator_get() does not return NULL as an error value.  Even when it
does return an error, the code as written falls out the error path
while returning zero (indicating no failure.)  Fix this, and use the
more correct IS_ERR() macro to check for errors.

Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2013-02-24 10:48:46 +00:00
Linus Torvalds
bab588fcfb arm-soc: soc-specific updates
This is a larger set of new functionality for the existing SoC families,
 including:
 
 * vt8500 gains support for new CPU cores, notably the Cortex-A9 based wm8850
 * prima2 gains support for the "marco" SoC family, its SMP based cousin
 * tegra gains support for the new Tegra4 (Tegra114) family
 * socfpga now supports a newer version of the hardware including SMP
 * i.mx31 and bcm2835 are now using DT probing for their clocks
 * lots of updates for sh-mobile
 * OMAP updates for clocks, power management and USB
 * i.mx6q and tegra now support cpuidle
 * kirkwood now supports PCIe hot plugging
 * tegra clock support is updated
 * tegra USB PHY probing gets implemented diffently
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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 a larger set of new functionality for the existing SoC
  families, including:

   - vt8500 gains support for new CPU cores, notably the Cortex-A9 based
     wm8850

   - prima2 gains support for the "marco" SoC family, its SMP based
     cousin

   - tegra gains support for the new Tegra4 (Tegra114) family

   - socfpga now supports a newer version of the hardware including SMP

   - i.mx31 and bcm2835 are now using DT probing for their clocks

   - lots of updates for sh-mobile

   - OMAP updates for clocks, power management and USB

   - i.mx6q and tegra now support cpuidle

   - kirkwood now supports PCIe hot plugging

   - tegra clock support is updated

   - tegra USB PHY probing gets implemented diffently"

* tag 'soc' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (148 commits)
  ARM: prima2: remove duplicate v7_invalidate_l1
  ARM: shmobile: r8a7779: Correct TMU clock support again
  ARM: prima2: fix __init section for cpu hotplug
  ARM: OMAP: Consolidate OMAP USB-HS platform data (part 3/3)
  ARM: OMAP: Consolidate OMAP USB-HS platform data (part 1/3)
  arm: socfpga: Add SMP support for actual socfpga harware
  arm: Add v7_invalidate_l1 to cache-v7.S
  arm: socfpga: Add entries to enable make dtbs socfpga
  arm: socfpga: Add new device tree source for actual socfpga HW
  ARM: tegra: sort Kconfig selects for Tegra114
  ARM: tegra: enable ARCH_REQUIRE_GPIOLIB for Tegra114
  ARM: tegra: Fix build error w/ ARCH_TEGRA_114_SOC w/o ARCH_TEGRA_3x_SOC
  ARM: tegra: Fix build error for gic update
  ARM: tegra: remove empty tegra_smp_init_cpus()
  ARM: shmobile: Register ARM architected timer
  ARM: MARCO: fix the build issue due to gic-vic-to-irqchip move
  ARM: shmobile: r8a7779: Correct TMU clock support
  ARM: mxs_defconfig: Select CONFIG_DEVTMPFS_MOUNT
  ARM: mxs: decrease mxs_clockevent_device.min_delta_ns to 2 clock cycles
  ARM: mxs: use apbx bus clock to drive the timers on timrotv2
  ...
2013-02-21 15:27:22 -08:00
Linus Torvalds
b274776c54 arm-soc: cleanups
A large number of cleanups, all over the platforms. This is dominated
 largely by the Samsung platforms (s3c, s5p, exynos) and a few of the
 others moving code out of arch/arm into more appropriate subsystems.
 The clocksource and irqchip drivers are now abstracted to the point
 where platforms that are already cleaned up do not need to even specify
 the driver they use, it can all get configured from the device tree
 as we do for normal device drivers. The clocksource changes basically
 touch every single platform in the process.
 
 We further clean up the use of platform specific header files here,
 with the goal of turning more of the platforms over to being
 "multiplatform" enabled, which implies that they cannot expose
 their headers to architecture independent code any more.
 
 It is expected that no functional changes are part of the cleanup.
 The overall reduction in total code lines is mostly the result of
 removing broken and obsolete code.
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Merge tag 'cleanup' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc

Pull ARM SoC cleanups from Arnd Bergmann:
 "A large number of cleanups, all over the platforms.  This is dominated
  largely by the Samsung platforms (s3c, s5p, exynos) and a few of the
  others moving code out of arch/arm into more appropriate subsystems.

  The clocksource and irqchip drivers are now abstracted to the point
  where platforms that are already cleaned up do not need to even
  specify the driver they use, it can all get configured from the device
  tree as we do for normal device drivers.  The clocksource changes
  basically touch every single platform in the process.

  We further clean up the use of platform specific header files here,
  with the goal of turning more of the platforms over to being
  "multiplatform" enabled, which implies that they cannot expose their
  headers to architecture independent code any more.

  It is expected that no functional changes are part of the cleanup.
  The overall reduction in total code lines is mostly the result of
  removing broken and obsolete code."

* tag 'cleanup' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (133 commits)
  ARM: mvebu: correct gated clock documentation
  ARM: kirkwood: add missing include for nsa310
  ARM: exynos: move exynos4210-combiner to drivers/irqchip
  mfd: db8500-prcmu: update resource passing
  drivers/db8500-cpufreq: delete dangling include
  ARM: at91: remove NEOCORE 926 board
  sunxi: Cleanup the reset code and add meaningful registers defines
  ARM: S3C24XX: header mach/regs-mem.h local
  ARM: S3C24XX: header mach/regs-power.h local
  ARM: S3C24XX: header mach/regs-s3c2412-mem.h local
  ARM: S3C24XX: Remove plat-s3c24xx directory in arch/arm/
  ARM: S3C24XX: transform s3c2443 subirqs into new structure
  ARM: S3C24XX: modify s3c2443 irq init to initialize all irqs
  ARM: S3C24XX: move s3c2443 irq code to irq.c
  ARM: S3C24XX: transform s3c2416 irqs into new structure
  ARM: S3C24XX: modify s3c2416 irq init to initialize all irqs
  ARM: S3C24XX: move s3c2416 irq init to common irq code
  ARM: S3C24XX: Modify s3c_irq_wake to use the hwirq property
  ARM: S3C24XX: Move irq syscore-ops to irq-pm
  clocksource: always define CLOCKSOURCE_OF_DECLARE
  ...
2013-02-21 14:58:40 -08:00
Linus Torvalds
06991c28f3 Driver core patches for 3.9-rc1
Here is the big driver core merge for 3.9-rc1
 
 There are two major series here, both of which touch lots of drivers all
 over the kernel, and will cause you some merge conflicts:
   - add a new function called devm_ioremap_resource() to properly be
     able to check return values.
   - remove CONFIG_EXPERIMENTAL
 
 If you need me to provide a merged tree to handle these resolutions,
 please let me know.
 
 Other than those patches, there's not much here, some minor fixes and
 updates.
 
 Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'driver-core-3.9-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core

Pull driver core patches from Greg Kroah-Hartman:
 "Here is the big driver core merge for 3.9-rc1

  There are two major series here, both of which touch lots of drivers
  all over the kernel, and will cause you some merge conflicts:

   - add a new function called devm_ioremap_resource() to properly be
     able to check return values.

   - remove CONFIG_EXPERIMENTAL

  Other than those patches, there's not much here, some minor fixes and
  updates"

Fix up trivial conflicts

* tag 'driver-core-3.9-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core: (221 commits)
  base: memory: fix soft/hard_offline_page permissions
  drivercore: Fix ordering between deferred_probe and exiting initcalls
  backlight: fix class_find_device() arguments
  TTY: mark tty_get_device call with the proper const values
  driver-core: constify data for class_find_device()
  firmware: Ignore abort check when no user-helper is used
  firmware: Reduce ifdef CONFIG_FW_LOADER_USER_HELPER
  firmware: Make user-mode helper optional
  firmware: Refactoring for splitting user-mode helper code
  Driver core: treat unregistered bus_types as having no devices
  watchdog: Convert to devm_ioremap_resource()
  thermal: Convert to devm_ioremap_resource()
  spi: Convert to devm_ioremap_resource()
  power: Convert to devm_ioremap_resource()
  mtd: Convert to devm_ioremap_resource()
  mmc: Convert to devm_ioremap_resource()
  mfd: Convert to devm_ioremap_resource()
  media: Convert to devm_ioremap_resource()
  iommu: Convert to devm_ioremap_resource()
  drm: Convert to devm_ioremap_resource()
  ...
2013-02-21 12:05:51 -08:00
Olof Johansson
1c75c42100 Merge branch 'socfpga/hw' into next/soc
From Dinh Nguyen, this is a series of patches introducing support for
socfpga hardware (Altera Cyclone5). It also includes a cleanup that
moves some of the ARMv7 cache maintenance functions to a common location,
since three other platforms aready implemented it separately.

* socfpga/hw:
  arm: socfpga: Add SMP support for actual socfpga harware
  arm: Add v7_invalidate_l1 to cache-v7.S
  arm: socfpga: Add entries to enable make dtbs socfpga
  arm: socfpga: Add new device tree source for actual socfpga HW

Trivial conflict in arch/arm/mach-tegra/headsmp.S.

Signed-off-by: Olof Johansson <olof@lixom.net>
2013-02-11 19:37:51 -08:00
Dinh Nguyen
c08e20d246 arm: Add v7_invalidate_l1 to cache-v7.S
mach-socfpga is another platform that needs to use
v7_invalidate_l1 to bringup additional cores. There was a comment that
the ideal place for v7_invalidate_l1 should be in arm/mm/cache-v7.S

Signed-off-by: Dinh Nguyen <dinguyen@altera.com>
Acked-by: Simon Horman <horms+renesas@verge.net.au>
Acked-by: Stephen Warren <swarren@nvidia.com>
Reviewed-by: Pavel Machek <pavel@denx.de>
Reviewed-by: Santosh Shilimkar <santosh.shilimkar@ti.com>
Tested-by: Pavel Machek <pavel@denx.de>
Tested-by: Stephen Warren <swarren@nvidia.com>
Cc: Arnd Bergmann <arnd@arndb.de>
Cc: Russell King <linux@arm.linux.org.uk>
Cc: Olof Johansson <olof@lixom.net>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: Rob Herring <rob.herring@calxeda.com>
Cc: Sascha Hauer <kernel@pengutronix.de>
Cc: Magnus Damm <magnus.damm@gmail.com>
Signed-off-by: Olof Johansson <olof@lixom.net>
2013-02-11 19:37:24 -08:00
Olof Johansson
f58cf70ed9 Merge branch 'tegra/t114' into next/soc
Add a couple of fixes sent via email (via Stephen/Hiroshi).

* tegra/t114:
  ARM: tegra: sort Kconfig selects for Tegra114
  ARM: tegra: enable ARCH_REQUIRE_GPIOLIB for Tegra114
  ARM: tegra: Fix build error w/ ARCH_TEGRA_114_SOC w/o ARCH_TEGRA_3x_SOC

Signed-off-by: Olof Johansson <olof@lixom.net>
2013-02-09 17:53:02 -08:00
Stephen Warren
1d7e5c2c81 ARM: tegra: sort Kconfig selects for Tegra114
The Kconfig options selected by ARCH_TEGRA_*_SOC were recently sorted.
Update the newly added ARCH_TEGRA_114_SOC's select statements to match.

Signed-off-by: Stephen Warren <swarren@nvidia.com>
Signed-off-by: Olof Johansson <olof@lixom.net>
2013-02-09 17:52:07 -08:00
Stephen Warren
23c8c4b4e0 ARM: tegra: enable ARCH_REQUIRE_GPIOLIB for Tegra114
CONFIG_ARCH_TEGRA_114_SOC doesn't currently enable gpiolib, which causes
numerous build problems building a Tegra kernel with only Tegra114
enabled, and not Tegra20 or Tegra30. Enable ARCH_REQUIRE_GPIOLIB to
solve this. However, all Tegra will use gpiolib, so select this option
from ARCH_TEGRA rather than each individual ARCH_TEGRA_*_SOC, to
prevent this problem for any future chips.

Signed-off-by: Stephen Warren <swarren@nvidia.com>
Signed-off-by: Olof Johansson <olof@lixom.net>
2013-02-09 17:52:03 -08:00
Olof Johansson
d2ffb918f7 ARM: tegra: Fix build error w/ ARCH_TEGRA_114_SOC w/o ARCH_TEGRA_3x_SOC
This patch fixes the build error when ARCH_TEGRA_114_SOC is enabled
and ARCH_TEGRA_3x_SOC is disabled.

This provides Tegra114 with its own tegra114_init_early() instead of
making use of tegra30_init_early() so that T114 build doesn't depend
on T3x anymore.

Signed-off-by: Hiroshi Doyu <hdoyu@nvidia.com>
Acked-by: Stephen Warren <swarren@nvidia.com>
Signed-off-by: Olof Johansson <olof@lixom.net>
2013-02-09 17:46:51 -08:00
Hiroshi Doyu
7e61114963 ARM: tegra: Fix build error for gic update
Fix build error in board-dt-tegra114.c(next-20130204)

Signed-off-by: Hiroshi Doyu <hdoyu@nvidia.com>
Reported-by: Sami Liedes<sliedes@nvidia.com>
Signed-off-by: Olof Johansson <olof@lixom.net>
2013-02-05 13:23:56 -08:00
Olof Johansson
f7c66dc0bf ARM: tegra: remove empty tegra_smp_init_cpus()
Based on two separate cleanup branches, it's now empty and can be removed.

Signed-off-by: Olof Johansson <olof@lixom.net>
Cc: Stephen Warren <swarren@wwwdotorg.org>
2013-02-05 13:13:08 -08:00
Olof Johansson
e9daa0ead1 ARM: tegra: add Tegra114 SoC support
This pull request adds initial support for the Tegra114 SoC, which
 integrates a quad-core ARM Cortex-A15 CPU. I'm proud to observe that we
 posted the initial versions of these patches before the final official
 announcement of this chip.
 
 These patches are enough to boot with a UART-based console, support the
 Dalmore and Pluto reference/evaluation boards, instantiate the GPIO and
 pinctrl drivers, and enable a cpuidle state. As yet, no clocks or
 storage devices are supported, but patches for those will follow shortly.
 
 This pull request is based on (most of) the previous pull request with
 tag tegra-for-3.9-soc-cpuidle, followed by a merge of the previous pull
 request with tag tegra-for-3.9-scu-base-rework.
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Merge tag 'tegra-for-3.9-soc-t114' of git://git.kernel.org/pub/scm/linux/kernel/git/swarren/linux-tegra into next/soc

From Stepen Warren:
ARM: tegra: add Tegra114 SoC support

This pull request adds initial support for the Tegra114 SoC, which
integrates a quad-core ARM Cortex-A15 CPU. I'm proud to observe that we
posted the initial versions of these patches before the final official
announcement of this chip.

These patches are enough to boot with a UART-based console, support the
Dalmore and Pluto reference/evaluation boards, instantiate the GPIO and
pinctrl drivers, and enable a cpuidle state. As yet, no clocks or
storage devices are supported, but patches for those will follow shortly.

This pull request is based on (most of) the previous pull request with
tag tegra-for-3.9-soc-cpuidle, followed by a merge of the previous pull
request with tag tegra-for-3.9-scu-base-rework.

* tag 'tegra-for-3.9-soc-t114' of git://git.kernel.org/pub/scm/linux/kernel/git/swarren/linux-tegra: (24 commits)
  ARM: DT: tegra114: add pinmux DT entry
  ARM: DT: tegra114: add GPIO DT entry
  ARM: tegra114: select PINCTRL for Tegra114 SoC
  ARM: tegra: add Tegra114 ARM_CPUIDLE_WFI_STATE support
  ARM: tegra: Add SMMU entry to Tegra114 DT
  ARM: tegra: add AHB entry to Tegra114 DT
  ARM: tegra: Add initial support for Tegra114 SoC.
  ARM: dt: tegra114: Add new board, Pluto
  ARM: dt: tegra114: Add new board, Dalmore
  ARM: dt: tegra114: Add new SoC base, Tegra114 SoC
  ARM: tegra: fuse: Add chip ID Tegra114 0x35
  ARM: OMAP: Make use of available scu_a9_get_base() interface
  ARM: tegra: Skip scu_enable(scu_base) if not Cortex A9
  ARM: Add API to detect SCU base address from CP15
  ARM: tegra: Use DT /cpu node to detect number of CPU core
  ARM: tegra: Add CPU nodes to Tegra30 device tree
  ARM: tegra: Add CPU nodes to Tegra20 device tree
  ARM: perf: simplify __hw_perf_event_init err handling
  ARM: perf: remove unnecessary checks for idx < 0
  ARM: perf: handle armpmu_register failing
  ...

Signed-off-by: Olof Johansson <olof@lixom.net>

Remove/add conflict in arch/arm/mach-tegra/common.c resolved.
Remove/remove conflict in arch/arm/mach-tegra/platsmp.c. Leave the empty
stub function for now since removing it in the merge commit is confusing;
will be cleaned up in a separate commit.  # # It looks like you may be
committing a merge.  # If this is not correct, please remove the file #
.git/MERGE_HEAD # and try again.
2013-02-05 13:10:39 -08:00
Olof Johansson
c8bfea3636 ARM: tegra: cpuidle enhancements
This pull request implements a new "LP2" cpuidle state for Tegra20,
 which makes use of the couple cpuidle feature.
 
 It is based on (most of) the previous pull request, with tag
 tegra-for-3.9-soc-usb.
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Merge tag 'tegra-for-3.9-soc-cpuidle' of git://git.kernel.org/pub/scm/linux/kernel/git/swarren/linux-tegra into next/soc

From Stephen Warren:
ARM: tegra: cpuidle enhancements

This pull request implements a new "LP2" cpuidle state for Tegra20,
which makes use of the couple cpuidle feature.

It is based on (most of) the previous pull request, with tag
tegra-for-3.9-soc-usb.

* tag 'tegra-for-3.9-soc-cpuidle' of git://git.kernel.org/pub/scm/linux/kernel/git/swarren/linux-tegra:
  ARM: tegra20: cpuidle: apply coupled cpuidle for powered-down mode
  ARM: tegra20: flowctrl: add support for cpu_suspend_enter/exit
  clk: tegra20: Implementing CPU low-power function for tegra_cpu_car_ops
  ARM: tegra20: cpuidle: add powered-down state for secondary CPU
  ARM: tegra: add pending SGI checking API

Signed-off-by: Olof Johansson <olof@lixom.net>
2013-02-05 12:46:18 -08:00
Olof Johansson
ceca718f21 ARM: tegra: USB driver cleanup
The Tegra USB driver has a number of issues:
 
 1) The PHY driver isn't a true platform device, and doesn't implement
    the standard USB PHY API.
 
 2) struct device instance numbers were used to make decisions in the
    driver, rather than being parameterized by DT or platform data.
 
 This pull request solves issue (2), and lays the groundwork for solving
 issue (1). The work on issue (1) involved introducing new DT nodes for
 the USB PHYs, which in turn interacted with the Tegra common clock
 framework changes, due to the move of clock lookups into device tree.
 Hence, these USB driver changes are taken through the Tegra tree with
 acks from USB maintainers.
 
 This pull request is based on the previous pull request, with tag
 tegra-for-3.9-soc-ccf.
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Merge tag 'tegra-for-3.9-soc-usb' of git://git.kernel.org/pub/scm/linux/kernel/git/swarren/linux-tegra into next/soc

From Stephen Warren:
ARM: tegra: USB driver cleanup

The Tegra USB driver has a number of issues:

1) The PHY driver isn't a true platform device, and doesn't implement
   the standard USB PHY API.

2) struct device instance numbers were used to make decisions in the
   driver, rather than being parameterized by DT or platform data.

This pull request solves issue (2), and lays the groundwork for solving
issue (1). The work on issue (1) involved introducing new DT nodes for
the USB PHYs, which in turn interacted with the Tegra common clock
framework changes, due to the move of clock lookups into device tree.
Hence, these USB driver changes are taken through the Tegra tree with
acks from USB maintainers.

This pull request is based on the previous pull request, with tag
tegra-for-3.9-soc-ccf.

* tag 'tegra-for-3.9-soc-usb' of git://git.kernel.org/pub/scm/linux/kernel/git/swarren/linux-tegra:
  usb: host: tegra: make use of PHY pointer of HCD
  ARM: tegra: Add reset GPIO information to PHY DT node
  usb: host: tegra: don't touch EMC clock
  usb: add APIs to access host registers from Tegra PHY
  USB: PHY: tegra: Get rid of instance number to differentiate PHY type
  USB: PHY: tegra: get rid of instance number to differentiate legacy controller
  ARM: tegra: add clocks properties to USB PHY nodes
  ARM: tegra: add DT nodes for Tegra USB PHY
  usb: phy: remove unused APIs from Tegra PHY.
  usb: host: tegra: Resetting PORT0 based on information received via DT.
  ARM: tegra: Add new DT property to USB node.
  usb: phy: use kzalloc to allocate struct tegra_usb_phy
  ARM: tegra: remove USB address related macros from iomap.h
2013-02-05 12:45:39 -08:00
Olof Johansson
bda6f8e6cd ARM: tegra: Common Clock Framework rework
Tegra already supports the common clock framework, but had issues:
 
 1) The clock driver was located in arch/arm/mach-tegra/ rather than
    drivers/clk/.
 
 2) A single "Tegra clock" type was implemented, rather than separate
    clock types for PLL, mux, divider, ... type in HW.
 
 3) Clock lookups by device drivers were still driven by device name
    and connection ID, rather than through device tree.
 
 This pull request solves all three issues. This required some DT changes
 to add clocks properties, and driver changes to request clocks more
 "correctly". Finally, this rework allows all AUXDATA to be removed from
 Tegra board files, and various duplicate clock lookup entries to be
 removed from the driver.
 
 This pull request is based on the previous pull request, with tag
 tegra-for-3.9-cleanup.
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Merge tag 'tegra-for-3.9-soc-ccf' of git://git.kernel.org/pub/scm/linux/kernel/git/swarren/linux-tegra into next/soc

From Stephen Warren:
ARM: tegra: Common Clock Framework rework

Tegra already supports the common clock framework, but had issues:

1) The clock driver was located in arch/arm/mach-tegra/ rather than
   drivers/clk/.

2) A single "Tegra clock" type was implemented, rather than separate
   clock types for PLL, mux, divider, ... type in HW.

3) Clock lookups by device drivers were still driven by device name
   and connection ID, rather than through device tree.

This pull request solves all three issues. This required some DT changes
to add clocks properties, and driver changes to request clocks more
"correctly". Finally, this rework allows all AUXDATA to be removed from
Tegra board files, and various duplicate clock lookup entries to be
removed from the driver.

This pull request is based on the previous pull request, with tag
tegra-for-3.9-cleanup.

* tag 'tegra-for-3.9-soc-ccf' of git://git.kernel.org/pub/scm/linux/kernel/git/swarren/linux-tegra: (31 commits)
  clk: tegra30: remove unused TEGRA_CLK_DUPLICATE()s
  clk: tegra20: remove unused TEGRA_CLK_DUPLICATE()s
  ARM: tegra30: remove auxdata
  ARM: tegra20: remove auxdata
  ASoC: tegra: remove auxdata
  staging: nvec: remove use of clk_get_sys
  ARM: tegra: paz00: add clock information to DT
  ARM: tegra: add clock properties to Tegra30 DT
  ARM: tegra: add clock properties to Tegra20 DT
  spi: tegra: do not use clock name to get clock
  ARM: tegra: remove legacy clock code
  ARM: tegra: migrate to new clock code
  clk: tegra: add clock support for Tegra30
  clk: tegra: add clock support for Tegra20
  clk: tegra: add Tegra specific clocks
  ARM: tegra: define Tegra30 CAR binding
  ARM: tegra: define Tegra20 CAR binding
  ARM: tegra: move tegra_cpu_car.h to linux/clk/tegra.h
  ARM: tegra: add function to read chipid
  ARM: tegra: fix compile error when disable CPU_IDLE
  ...

Signed-off-by: Olof Johansson <olof@lixom.net>

Conflicts:
	arch/arm/mach-tegra/board-dt-tegra20.c
	arch/arm/mach-tegra/board-dt-tegra30.c
	arch/arm/mach-tegra/common.c
	arch/arm/mach-tegra/platsmp.c
	drivers/clocksource/Makefile
2013-02-05 12:13:10 -08:00
Olof Johansson
f0390669d1 ARM: tegra: cleanup
This pull request contains various cleanup and minor changes to core
 Tegra code:
 * Tegra clocksource driver is moved to drivers/clocksource.
 * Various typos, warning cleanup, statics cleanup, section mismatch
   fixes, etc.
 * Various small fixes/cleanups for CPU/hotplug/SMP code.
 
 This pull request is based on a merge of v3.8-rc3 and at least part of
 arm-soc's timer/cleanup branch.
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Merge tag 'tegra-for-3.9-cleanup' of git://git.kernel.org/pub/scm/linux/kernel/git/swarren/linux-tegra into next/cleanup

From Stephen Warren:
ARM: tegra: cleanup

This pull request contains various cleanup and minor changes to core
Tegra code:
* Tegra clocksource driver is moved to drivers/clocksource.
* Various typos, warning cleanup, statics cleanup, section mismatch
  fixes, etc.
* Various small fixes/cleanups for CPU/hotplug/SMP code.

This pull request is based on a merge of v3.8-rc3 and at least part of
arm-soc's timer/cleanup branch.

* tag 'tegra-for-3.9-cleanup' of git://git.kernel.org/pub/scm/linux/kernel/git/swarren/linux-tegra:
  ARM: tegra: fix compile error when disable CPU_IDLE
  ARM: tegra30: make the wait time of CPU power up to proportional to HZ
  ARM: tegra: make device can run on UP
  ARM: tegra: clean up the CPUINIT section
  ARM: tegra: moving the clock gating procedure to tegra_cpu_kill
  ARM: tegra: update the cache maintenance order for CPU shutdown
  ARM: tegra30: fix power up sequence for boot_secondary
  ARM: tegra: cpufreq: move clk_get/put out of function tegra_cpu_init/exit
  ARM: tegra: fix Kconfig warnings when !SMP
  ARM: tegra: Make variables static
  clocksource: tegra: cosmetic: Fix error message
  ARM: tegra: move timer.c to drivers/clocksource/

Signed-off-by: Olof Johansson <olof@lixom.net>

Trivial conflicts:
	arch/arm/mach-tegra/board-dt-tegra20.c
	arch/arm/mach-tegra/board-dt-tegra30.c
	drivers/clocksource/Makefile
2013-02-05 12:10:18 -08:00
Olof Johansson
b28eaacfbb The series cleans up ARCH_HAS_DECOMP_WDOG and arch_decomp_wdog which
are unused on ARM architecure.  Samsung has some code setting up wdog
 in arch_decomp_wdog().  But since CONFIG_S3C_BOOT_WATCHDOG is defined
 nowhere, it will not run.  Otherwise, system can not boot at all when
 wdog is set up but no one pats it.
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Merge tag 'cleanup-decompwdog-3.9' of git://git.linaro.org/people/shawnguo/linux-2.6 into next/cleanup

From Shawn Guo:
The series cleans up ARCH_HAS_DECOMP_WDOG and arch_decomp_wdog which
are unused on ARM architecure.  Samsung has some code setting up wdog
in arch_decomp_wdog().  But since CONFIG_S3C_BOOT_WATCHDOG is defined
nowhere, it will not run.  Otherwise, system can not boot at all when
wdog is set up but no one pats it.

* tag 'cleanup-decompwdog-3.9' of git://git.linaro.org/people/shawnguo/linux-2.6:
  ARM: samsung: remove unused arch_decomp_wdog() code
  ARM: remove unused arch_decomp_wdog()
  ARM: decompress: remove unused ARCH_HAS_DECOMP_WDOG

Signed-off-by: Olof Johansson <olof@lixom.net>
2013-02-05 10:26:20 -08:00
Viresh Kumar
62b36cc1c8 cpufreq: Remove unnecessary use of policy->shared_type
policy->shared_type field was added only for SoCs with ACPI support:

commit 3b2d99429e
Author: Venkatesh Pallipadi <venkatesh.pallipadi@intel.com>
Date:   Wed Dec 14 15:05:00 2005 -0500

    P-state software coordination for ACPI core

    http://bugzilla.kernel.org/show_bug.cgi?id=5737

Many non-ACPI systems are filling this field by mistake, which makes its usage
confusing. Lets clean it.

Signed-off-by: Viresh Kumar <viresh.kumar@linaro.org>
Acked-by: Santosh Shilimkar <santosh.shilimkar@ti.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
2013-02-02 01:29:32 +01:00
Viresh Kumar
16a44f8267 cpufreq: TEGRA: Set policy->cpus from driver->init()
For multicore SoC's, with cores sharing clock line, we are required to set
policy->cpus and policy->related_cpus with mask of cpus.

With following patch, we need to set policy->cpus with mask of all possible cpus
and policy->related_cpus would be filled automatically by the cpufreq core.

commit 4948b355e90080cd5ec1e91189f65a01e4186ef2
Author: Viresh Kumar <viresh.kumar@linaro.org>
Date:   Tue Jan 29 14:39:08 2013 +0000

    cpufreq: Simplify cpufreq_add_dev()

Current Tegra driver fills only ->related_cpus and not ->cpus, which looks to be
incorrect. Lets fix it.

Signed-off-by: Viresh Kumar <viresh.kumar@linaro.org>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
2013-02-02 01:29:31 +01:00
Laxman Dewangan
20fd4806ab ARM: tegra114: select PINCTRL for Tegra114 SoC
Select PINCTRL and PINCTRL_TEGRA114 for enabling Tegra114 pincontrol
driver for Tegra114 SoC.

Signed-off-by: Laxman Dewangan <ldewangan@nvidia.com>
Signed-off-by: Stephen Warren <swarren@nvidia.com>
2013-01-29 11:02:14 -07:00
Joseph Lo
51dc5259e8 ARM: tegra: add Tegra114 ARM_CPUIDLE_WFI_STATE support
Adding the generic ARM_CPUIDLE_WFI_STATE support for Tegra114.

Signed-off-by: Joseph Lo <josephl@nvidia.com>
Signed-off-by: Stephen Warren <swarren@nvidia.com>
2013-01-29 11:01:23 -07:00
Hiroshi Doyu
5c541b884c ARM: tegra: Add initial support for Tegra114 SoC.
Add new Tegra 114 SoC support.

Signed-off-by: Hiroshi Doyu <hdoyu@nvidia.com>
Signed-off-by: Stephen Warren <swarren@nvidia.com>
2013-01-28 11:23:15 -07:00
Hiroshi Doyu
7b30d4578a ARM: tegra: fuse: Add chip ID Tegra114 0x35
Add tegra_chip_id TEGRA114 0x35

Signed-off-by: Hiroshi Doyu <hdoyu@nvidia.com>
Signed-off-by: Stephen Warren <swarren@nvidia.com>
2013-01-28 11:23:00 -07:00
Stephen Warren
ee05948517 Merge branch 'for-3.9/scu-base-rework' into for-3.9/soc-t114
Conflicts:
	arch/arm/mach-tegra/platsmp.c
2013-01-28 11:22:46 -07:00
Joseph Lo
1d328606c6 ARM: tegra20: cpuidle: apply coupled cpuidle for powered-down mode
The "powered-down" cpuidle mode of Tegra20 needs the CPU0 be the last one
core to go into this mode before other core. The coupled cpuidle framework
can help to sync the MPCore to coupled state then go into "powered-down"
idle mode together. The driver can just assume the MPCore come into
"powered-down" mode at the same time. No need to take care if the CPU_0
goes into this mode along and only can put it into safe idle mode (WFI).

The powered-down state of Tegra20 requires power gating both CPU cores.
When the secondary CPU requests to enter powered-down state, it saves
its own contexts and then enters WFI for waiting CPU0 in the same state.
When the CPU0 requests powered-down state, it attempts to put the secondary
CPU into reset to prevent it from waking up. Then power down both CPUs
together and power off the cpu rail.

Be aware of that, you may see the legacy power state "LP2" in the code
which is exactly the same meaning of "CPU power down".

Based on the work by:
Colin Cross <ccross@android.com>
Gary King <gking@nvidia.com>

Signed-off-by: Joseph Lo <josephl@nvidia.com>
Acked-by: Colin Cross <ccross@android.com>
Signed-off-by: Stephen Warren <swarren@nvidia.com>
2013-01-28 11:20:38 -07:00
Joseph Lo
afec581c4b ARM: tegra20: flowctrl: add support for cpu_suspend_enter/exit
The flow controller can help CPU to go into suspend mode (powered-down
state). When CPU go into powered-down state, it needs some careful
settings before getting into and after leaving. The enter and exit
functions do that by configuring appropriate mode for flow controller.

Signed-off-by: Joseph Lo <josephl@nvidia.com>
Signed-off-by: Stephen Warren <swarren@nvidia.com>
2013-01-28 11:20:38 -07:00
Joseph Lo
5c1350bdfc ARM: tegra20: cpuidle: add powered-down state for secondary CPU
The powered-down state of Tegra20 requires power gating both CPU cores.
When the secondary CPU requests to enter powered-down state, it saves
its own contexts and then enters WFI. The Tegra20 had a limition to
power down both CPU cores. The secondary CPU must waits for CPU0 in
powered-down state too. If the secondary CPU be woken up before CPU0
entering powered-down state, then it needs to restore its CPU states
and waits for next chance.

Be aware of that, you may see the legacy power state "LP2" in the code
which is exactly the same meaning of "CPU power down".

Based on the work by:
Colin Cross <ccross@android.com>
Gary King <gking@nvidia.com>

Signed-off-by: Joseph Lo <josephl@nvidia.com>
Signed-off-by: Stephen Warren <swarren@nvidia.com>
2013-01-28 11:20:38 -07:00
Joseph Lo
d4b92fb253 ARM: tegra: add pending SGI checking API
The "powered-down" CPU idle mode of Tegra cut off the vdd_cpu rail, it
include the power of GIC. That caused the SGI (Software Generated
Interrupt) been lost. Because the SGI can't wake up the CPU that in
the "powered-down" CPU idle mode. We need to check if there is any
pending SGI when go into "powered-down" CPU idle mode. This is important
especially when applying the coupled cpuidle framework into "power-down"
cpuidle dirver. Because the coupled cpuidle framework may have the
chance that misses IPI_SINGLE_FUNC handling sometimes.

For the PPI or SPI, something like the legacy peripheral interrupt. It
still can be maintained by Tegra legacy interrupt controller. If there
is any pending PPI or SPI when CPU in "powered-down" CPU idle mode. The
CPU can be woken up immediately. So we don't need to take care the same
situation for PPI or SPI.

Signed-off-by: Joseph Lo <josephl@nvidia.com>
Signed-off-by: Stephen Warren <swarren@nvidia.com>
2013-01-28 11:20:38 -07:00
Venu Byravarasu
16a665f805 ARM: tegra: remove USB address related macros from iomap.h
USB register base address and sizes defined in iomap.h
are not used in any files other than board-dt-tegra20.c.
Hence removed those defines from header file and using
the absolute values in board files.

Signed-off-by: Venu Byravarasu <vbyravarasu@nvidia.com>
Signed-off-by: Stephen Warren <swarren@nvidia.com>
2013-01-28 11:20:04 -07:00
Prashant Gaikwad
3c3a8aa9cc ARM: tegra30: remove auxdata
Remove AUXDATA as clocks are initialized from device node.

Signed-off-by: Prashant Gaikwad <pgaikwad@nvidia.com>
Signed-off-by: Stephen Warren <swarren@nvidia.com>
2013-01-28 11:19:34 -07:00
Prashant Gaikwad
0d4b5ba525 ARM: tegra20: remove auxdata
Remove AUXDATA as clock are initialized from device node.

Signed-off-by: Prashant Gaikwad <pgaikwad@nvidia.com>
Signed-off-by: Stephen Warren <swarren@nvidia.com>
2013-01-28 11:19:34 -07:00
Prashant Gaikwad
52dec4c9ea ARM: tegra: remove legacy clock code
Remove all legacy clock code from mach-tegra.

Signed-off-by: Prashant Gaikwad <pgaikwad@nvidia.com>
Signed-off-by: Stephen Warren <swarren@nvidia.com>
2013-01-28 11:19:33 -07:00
Prashant Gaikwad
61fd290d21 ARM: tegra: migrate to new clock code
Migrate Tegra clock support to drivers/clk/tegra, this involves
moving:
1. definition of tegra_cpu_car_ops to clk.c
2. definition of reset functions to clk-peripheral.c
3. change parent of cpu clock.
4. Remove legacy clock initialization.
5. Initialize clocks using DT.
6. Remove all instance of mach/clk.h

Signed-off-by: Prashant Gaikwad <pgaikwad@nvidia.com>
[swarren: use to_clk_periph_gate().]
Signed-off-by: Stephen Warren <swarren@nvidia.com>
2013-01-28 11:19:07 -07:00
Prashant Gaikwad
89572c77cd ARM: tegra: move tegra_cpu_car.h to linux/clk/tegra.h
tegra_cpu_car_ops struct is going to be accessed from drivers/clk/tegra.
Move the tegra_cpu_car_ops to include/linux/clk/tegra.h.

Signed-off-by: Prashant Gaikwad <pgaikwad@nvidia.com>
Signed-off-by: Stephen Warren <swarren@nvidia.com>
2013-01-28 11:19:06 -07:00
Prashant Gaikwad
c7736edf1b ARM: tegra: add function to read chipid
Add function to read chip id from APB MISC registers. This function
will also get called from clock driver to flush write operations on
apb bus.

Signed-off-by: Prashant Gaikwad <pgaikwad@nvidia.com>
Signed-off-by: Stephen Warren <swarren@nvidia.com>
2013-01-28 11:19:06 -07:00
Joseph Lo
24e30c9417 ARM: tegra: fix compile error when disable CPU_IDLE
The "sleep.S" file has many functions that be shared by different module
currently. Not just for CPU idle driver. Make it build as default now.

Reported-by: Rhyland Klein <rklein@nvidia.com>
Signed-off-by: Joseph Lo <josephl@nvidia.com>
[swarren: add sleep.o to separate line so each line only contains 1 file]
Signed-off-by: Stephen Warren <swarren@nvidia.com>
2013-01-28 11:15:21 -07:00
Joseph Lo
1395868c06 ARM: tegra30: make the wait time of CPU power up to proportional to HZ
It would rather to use the API of time_to_jiffies than a constant number
of jiffies for the wait time of CPU power up.

Based on the work by:
Sang-Hun Lee <sanlee@nvidia.com>

Signed-off-by: Joseph Lo <josephl@nvidia.com>
Signed-off-by: Stephen Warren <swarren@nvidia.com>
2013-01-28 11:14:43 -07:00
Joseph Lo
9e32366fe5 ARM: tegra: make device can run on UP
The reset handler code is used for either UP or SMP. To make Tegra device
can compile for UP. It needs to be moved to another file that is not SMP
only. This is because the reset handler also be needed by CPU idle
"powered-down" mode. So we also need to put the reset handler init function
in non-SMP only and init them always.

And currently the implementation of the reset handler to know which CPU is
OK to bring up was identital with "cpu_present_mask". But the
"cpu_present_mask" did not initialize yet when the reset handler init
function was moved to init early function. We use the "cpu_possible_mask"
to replace "cpu_present_mask". Then it can work on both UP and SMP case.

Signed-off-by: Joseph Lo <josephl@nvidia.com>
[swarren: dropped the move of v7_invalidate_l1() from one file to another,
to avoid conflicts with Pavel's cleanup of this function, adjust Makefile
so each line only contains 1 file.]
Signed-off-by: Stephen Warren <swarren@nvidia.com>
2013-01-28 11:14:06 -07:00
Hiroshi Doyu
909444ab20 ARM: tegra: Skip scu_enable(scu_base) if not Cortex A9
Skip scu_enable(scu_base) if CPU is not Cortex A9 with SCU.

Signed-off-by: Hiroshi Doyu <hdoyu@nvidia.com>
Acked-by: Russell King <rmk+kernel@arm.linux.org.uk>
Signed-off-by: Stephen Warren <swarren@nvidia.com>
2013-01-28 10:41:18 -07:00
Hiroshi Doyu
a8a6930157 ARM: tegra: Use DT /cpu node to detect number of CPU core
SCU based detection only works with Cortex-A9 MP and it doesn't
support ones with multiple clusters. The only way to detect number of
CPU core correctly is with DT /cpu node.

Tegra SoCs decided to use DT detection as the only way and to not use
SCU based detection at all. Even if DT /cpu node based detection
fails, it continues with a single core

Signed-off-by: Hiroshi Doyu <hdoyu@nvidia.com>
Signed-off-by: Stephen Warren <swarren@nvidia.com>
2013-01-28 10:40:52 -07:00
Joseph Lo
8c627fa658 ARM: tegra: clean up the CPUINIT section
There are some redundant codes in the CPUINIT section that was caused by
some codes not be organized well in "headsmp.S". Currently all the codes
in "headsmp.S" were put into CPUINIT section. But actually it doesn't
need to be loacted in CPUINIT section. There is no fuction access them
in CPUINIT section and we will relocate them to IRAM.

These codes also caused some unnecessary functions that access these
codes been put into CPUINIT section too. This patch clean it up and put
them into normal text section.

Signed-off-by: Joseph Lo <josephl@nvidia.com>
Signed-off-by: Stephen Warren <swarren@nvidia.com>
2013-01-28 10:21:51 -07:00
Joseph Lo
b811943160 ARM: tegra: moving the clock gating procedure to tegra_cpu_kill
The tegra_cpu_die was be executed by the CPU itslf. So the clock gating
procedure won't be executed after the CPU hardware shutdown code. Moving
the clock gating procedure to tegra_cpu_kill that will be run by another
CPU after the CPU died.

Signed-off-by: Joseph Lo <josephl@nvidia.com>
Acked-by: Peter De Schrijver <pdeschrijver@nvidia.com>
Signed-off-by: Stephen Warren <swarren@nvidia.com>
2013-01-28 10:21:48 -07:00
Joseph Lo
57886616ca ARM: tegra: update the cache maintenance order for CPU shutdown
Updating the cache maintenance order before CPU shutdown when doing CPU
hotplug.
The old order:
* clean L1 by flush_cache_all
* exit SMP
* CPU shutdown
Adapt to:
* disable L1 data cache by clear C bit
* clean L1 by v7_flush_dcache_louis
* exit SMP
* CPU shutdown

For CPU hotplug case, it's no need to do "flush_cache_all". And we should
disable L1 data cache before clean L1 data cache. Then leaving the SMP
coherency.

Signed-off-by: Joseph Lo <josephl@nvidia.com>
Acked-by: Peter De Schrijver <pdeschrijver@nvidia.com>
Signed-off-by: Stephen Warren <swarren@nvidia.com>
2013-01-28 10:21:44 -07:00
Joseph Lo
130bfed72c ARM: tegra30: fix power up sequence for boot_secondary
The power up sequence is different on the cold boot CPU and the CPU
that resumed from the hotplug. For the cold boot CPU, it was been power
gated as default. To power up the cold boot CPU, the power should be
un-gated by un toggling the power gate register manually.

For the CPU that resumed from the hotplug, after un-halted the CPU. The
flow controller will un-gate the power of the CPU. No need to manually
control, just wait the power be resumed and continue the power up
sequence after the CPU power is ready.

Based on the work by:
Varun Wadekar <vwadekar@nvidia.com>

Signed-off-by: Joseph Lo <josephl@nvidia.com>
Acked-by: Peter De Schrijver <pdeschrijver@nvidia.com>
Signed-off-by: Stephen Warren <swarren@nvidia.com>
2013-01-28 10:21:41 -07:00
Richard Zhao
c26cefd089 ARM: tegra: cpufreq: move clk_get/put out of function tegra_cpu_init/exit
tegra_cpu_init/exit will be called every time one cpu core is online or
offline. And all cpu cores share same clocks, redundant clk_get/put
wast time,  so I move them out.

Signed-off-by: Richard Zhao <linuxzsc@gmail.com>
Signed-off-by: Stephen Warren <swarren@nvidia.com>
2013-01-28 10:21:37 -07:00
Stephen Warren
45c9e59296 ARM: tegra: fix Kconfig warnings when !SMP
Fix:

warning: (ARCH_TEGRA_2x_SOC) selects ARM_ERRATA_754327 which has unmet direct dependencies (CPU_V7 && SMP)
warning: (ARCH_TEGRA_2x_SOC) selects ARM_ERRATA_742230 which has unmet direct dependencies (CPU_V7 && SMP)

by selecting options only if SMP.

Signed-off-by: Stephen Warren <swarren@nvidia.com>
2013-01-28 10:21:33 -07:00
Hiroshi Doyu
deeb8d1948 ARM: tegra: Make variables static
No need to be public. Checked with:
  $ touch arch/arm/mach-tegra/*[ch] && make C=1

Signed-off-by: Hiroshi Doyu <hdoyu@nvidia.com>
Signed-off-by: Stephen Warren <swarren@nvidia.com>
2013-01-28 10:21:28 -07:00
Stephen Warren
1711b1e102 ARM: tegra: move timer.c to drivers/clocksource/
Move arch/arm/mach-tegra/timer.c to drivers/clocksource/tegra20_timer.c
so that the code is co-located with other clocksource drivers, and to
reduce the size of the mach-tegra directory.

Signed-off-by: Stephen Warren <swarren@nvidia.com>
2013-01-28 10:21:21 -07:00
Stephen Warren
f3dab3989b Merge remote-tracking branch 'korg_arm-soc/timer/cleanup' into for-3.9/cleanup 2013-01-28 10:20:34 -07:00
Thierry Reding
5857bd98db ARM: Convert to devm_ioremap_resource()
Convert all uses of devm_request_and_ioremap() to the newly introduced
devm_ioremap_resource() which provides more consistent error handling.

Signed-off-by: Thierry Reding <thierry.reding@avionic-design.de>
Cc: Russell King <linux@arm.linux.org.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2013-01-25 12:21:45 -08:00
Olof Johansson
f8060f5446 Initial irqchip init infrastructure and GIC and VIC clean-ups
This creates irqchip initialization infrastructure from Thomas
 Petazzoni. The VIC and GIC irqchip code is moved to drivers/irqchips
 and adapted to use the new infrastructure. All DT enabled platforms
 using GIC and VIC are converted over to use the new irqchip_init.
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Merge tag 'gic-vic-to-irqchip' of git://sources.calxeda.com/kernel/linux into next/cleanup

From Rob Herring:

Initial irqchip init infrastructure and GIC and VIC clean-ups

This creates irqchip initialization infrastructure from Thomas
Petazzoni. The VIC and GIC irqchip code is moved to drivers/irqchips
and adapted to use the new infrastructure. All DT enabled platforms
using GIC and VIC are converted over to use the new irqchip_init.

* tag 'gic-vic-to-irqchip' of git://sources.calxeda.com/kernel/linux:
  irqchip: Move ARM vic.h to include/linux/irqchip/arm-vic.h
  ARM: picoxcell: use common irqchip_init function
  ARM: spear: use common irqchip_init function
  irqchip: Move ARM VIC to drivers/irqchip
  ARM: samsung: remove unused tick.h
  ARM: remove unneeded vic.h includes
  ARM: remove mach .handle_irq for VIC users
  ARM: VIC: set handle_arch_irq in VIC initialization
  ARM: VIC: shrink down vic.h
  irqchip: Move ARM gic.h to include/linux/irqchip/arm-gic.h
  ARM: use common irqchip_init for GIC init
  irqchip: Move ARM GIC to drivers/irqchip
  ARM: remove mach .handle_irq for GIC users
  ARM: GIC: set handle_arch_irq in GIC initialization
  ARM: GIC: remove direct use of gic_raise_softirq
  ARM: GIC: remove assembly ifdefs from gic.h
  ARM: mach-ux500: use SGI0 to wake up the other core
  arm: add set_handle_irq() to register the parent IRQ controller handler function
  irqchip: add basic infrastructure
  irqchip: add to the directories part of the IRQ subsystem in MAINTAINERS

Fixed up massive merge conflicts with the timer cleanup due to adjacent changes:

Signed-off-by: Olof Johansson <olof@lixom.net>

Conflicts:
	arch/arm/mach-bcm/board_bcm.c
	arch/arm/mach-cns3xxx/cns3420vb.c
	arch/arm/mach-ep93xx/adssphere.c
	arch/arm/mach-ep93xx/edb93xx.c
	arch/arm/mach-ep93xx/gesbc9312.c
	arch/arm/mach-ep93xx/micro9.c
	arch/arm/mach-ep93xx/simone.c
	arch/arm/mach-ep93xx/snappercl15.c
	arch/arm/mach-ep93xx/ts72xx.c
	arch/arm/mach-ep93xx/vision_ep9307.c
	arch/arm/mach-highbank/highbank.c
	arch/arm/mach-imx/mach-imx6q.c
	arch/arm/mach-msm/board-dt-8960.c
	arch/arm/mach-netx/nxdb500.c
	arch/arm/mach-netx/nxdkn.c
	arch/arm/mach-netx/nxeb500hmi.c
	arch/arm/mach-nomadik/board-nhk8815.c
	arch/arm/mach-picoxcell/common.c
	arch/arm/mach-realview/realview_eb.c
	arch/arm/mach-realview/realview_pb1176.c
	arch/arm/mach-realview/realview_pb11mp.c
	arch/arm/mach-realview/realview_pba8.c
	arch/arm/mach-realview/realview_pbx.c
	arch/arm/mach-socfpga/socfpga.c
	arch/arm/mach-spear13xx/spear1310.c
	arch/arm/mach-spear13xx/spear1340.c
	arch/arm/mach-spear13xx/spear13xx.c
	arch/arm/mach-spear3xx/spear300.c
	arch/arm/mach-spear3xx/spear310.c
	arch/arm/mach-spear3xx/spear320.c
	arch/arm/mach-spear3xx/spear3xx.c
	arch/arm/mach-spear6xx/spear6xx.c
	arch/arm/mach-tegra/board-dt-tegra20.c
	arch/arm/mach-tegra/board-dt-tegra30.c
	arch/arm/mach-u300/core.c
	arch/arm/mach-ux500/board-mop500.c
	arch/arm/mach-ux500/cpu-db8500.c
	arch/arm/mach-versatile/versatile_ab.c
	arch/arm/mach-versatile/versatile_dt.c
	arch/arm/mach-versatile/versatile_pb.c
	arch/arm/mach-vexpress/v2m.c
	include/asm-generic/vmlinux.lds.h
2013-01-14 19:55:03 -08:00
Olof Johansson
8d84981e39 Merge branch 'clocksource/cleanup' into next/cleanup
Clockevent cleanup series from Shawn Guo.

Resolved move/change conflict in mach-pxa/time.c due to the sys_timer
cleanup.

* clocksource/cleanup:
  clocksource: use clockevents_config_and_register() where possible
  ARM: use clockevents_config_and_register() where possible
  clockevents: export clockevents_config_and_register for module use
  + sync to Linux 3.8-rc3

Signed-off-by: Olof Johansson <olof@lixom.net>

Conflicts:
	arch/arm/mach-pxa/time.c
2013-01-14 10:20:02 -08:00
Shawn Guo
838a2ae80a ARM: use clockevents_config_and_register() where possible
The clockevent core is able to figure out the best mult and shift,
calculate min_delta_ns and max_delta_ns, with the necessary info passed
into clockevents_config_and_register().  Use this combined configure
and register function where possible to make the codes less error prone
and gain some positive diff stat.

Signed-off-by: Shawn Guo <shawn.guo@linaro.org>
Cc: Nicolas Ferre <nicolas.ferre@atmel.com>
Reviewed-by: Anton Vorontsov <cbouatmailru@gmail.com>
Acked-by: Kukjin Kim <kgene.kim@samsung.com>
Cc: Russell King <linux@arm.linux.org.uk>
Cc: Sascha Hauer <s.hauer@pengutronix.de>
Cc: Jason Cooper <jason@lakedaemon.net>
Tested-by: Roland Stigge <stigge@antcom.de>
Acked-by: Eric Miao <eric.y.miao@gmail.com>
Cc: Haojian Zhuang <haojian.zhuang@gmail.com>
Cc: David Brown <davidb@codeaurora.org>
Tested-by: Tony Lindgren <tony@atomide.com>
Acked-by: Barry Song <baohua.song@csr.com>
Tested-by: Stephen Warren <swarren@nvidia.com>
Acked-by: Tony Prisk <linux@prisktech.co.nz>
Cc: Lennert Buytenhek <buytenh@wantstofly.org>
Cc: Wan ZongShun <mcuos.com@gmail.com>
Acked-by: Viresh Kumar <viresh.kumar@linaro.org>
Acked-by: Arnd Bergmann <arnd@arndb.de>
Acked-by: Jason Cooper <jason@lakedaemon.net>
Reviewed-by: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Olof Johansson <olof@lixom.net>
2013-01-14 10:12:42 -08:00
Rob Herring
520f7bd733 irqchip: Move ARM gic.h to include/linux/irqchip/arm-gic.h
Now that we have GIC moved to drivers/irqchip and all GIC DT init for
platforms using irqchip_init, move gic.h and update the remaining
includes.

Signed-off-by: Rob Herring <rob.herring@calxeda.com>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: Russell King <linux@arm.linux.org.uk>
Cc: Anton Vorontsov <avorontsov@mvista.com>
Cc: Kukjin Kim <kgene.kim@samsung.com>
Cc: Sascha Hauer <kernel@pengutronix.de>
Cc: David Brown <davidb@codeaurora.org>
Cc: Daniel Walker <dwalker@fifo99.com>
Cc: Bryan Huntsman <bryanh@codeaurora.org>
Cc: Tony Lindgren <tony@atomide.com>
Cc: Paul Mundt <lethal@linux-sh.org>
Cc: Magnus Damm <magnus.damm@gmail.com>
Cc: Viresh Kumar <viresh.linux@gmail.com>
Cc: Shiraz Hashim <shiraz.hashim@st.com>
Cc: Stephen Warren <swarren@wwwdotorg.org>
Cc: Srinidhi Kasagar <srinidhi.kasagar@stericsson.com>
Cc: Linus Walleij <linus.walleij@linaro.org>
Cc: Samuel Ortiz <sameo@linux.intel.com>
2013-01-12 10:47:32 -06:00
Rob Herring
0529e315bb ARM: use common irqchip_init for GIC init
Convert all GIC DT initialization over to use common irqchip_init
function.

Signed-off-by: Rob Herring <rob.herring@calxeda.com>
Cc: Russell King <linux@arm.linux.org.uk>
Cc: Kukjin Kim <kgene.kim@samsung.com>
Acked-by: Shawn Guo <shawn.guo@linaro.org>
Cc: Sascha Hauer <kernel@pengutronix.de>
Cc: David Brown <davidb@codeaurora.org>
Cc: Daniel Walker <dwalker@fifo99.com>
Cc: Bryan Huntsman <bryanh@codeaurora.org>
Cc: Tony Lindgren <tony@atomide.com>
Cc: Paul Mundt <lethal@linux-sh.org>
Cc: Magnus Damm <magnus.damm@gmail.com>
Cc: Dinh Nguyen <dinguyen@altera.com>
Cc: Viresh Kumar <viresh.linux@gmail.com>
Cc: Shiraz Hashim <shiraz.hashim@st.com>
Cc: Stephen Warren <swarren@wwwdotorg.org>
Cc: Srinidhi Kasagar <srinidhi.kasagar@stericsson.com>
Cc: Linus Walleij <linus.walleij@linaro.org>
2013-01-12 10:47:32 -06:00
Rob Herring
1d5cc604f4 ARM: remove mach .handle_irq for GIC users
Now that the GIC initialization sets up the handle_arch_irq pointer, we
can remove it for all machines and make it static.

Signed-off-by: Rob Herring <rob.herring@calxeda.com>
Cc: Russell King <linux@arm.linux.org.uk>
Cc: Anton Vorontsov <avorontsov@mvista.com>
Cc: Kyungmin Park <kyungmin.park@samsung.com>
Cc: Sascha Hauer <kernel@pengutronix.de>
Cc: David Brown <davidb@codeaurora.org>
Cc: Daniel Walker <dwalker@fifo99.com>
Cc: Bryan Huntsman <bryanh@codeaurora.org>
Acked-by: Tony Lindgren <tony@atomide.com>
Cc: Paul Mundt <lethal@linux-sh.org>
Cc: Magnus Damm <magnus.damm@gmail.com>
Cc: Dinh Nguyen <dinguyen@altera.com>
Cc: Shiraz Hashim <shiraz.hashim@st.com>
Acked-by: Stephen Warren <swarren@nvidia.com>
Cc: Srinidhi Kasagar <srinidhi.kasagar@stericsson.com>
Cc: Linus Walleij <linus.walleij@linaro.org>
Acked-by: Viresh Kumar <viresh.kumar@linaro.org>
Acked-by: Kukjin Kim <kgene.kim@samsung.com>
Acked-by: Shawn Guo <shawn.guo@linaro.org>
Acked-by: Olof Johansson <olof@lixom.net>
Acked-by: Arnd Bergmann <arnd@arndb.de>
2013-01-12 10:47:20 -06:00
Shawn Guo
b632a30e8b ARM: remove unused arch_decomp_wdog()
With ARCH_HAS_DECOMP_WDOG removed from arch/arm/boot/compressed/decompress.c,
all the arch_decomp_wdog() definition at platform level is unneeded.
Remmove it.

Signed-off-by: Shawn Guo <shawn.guo@linaro.org>
Acked-by: Nicolas Pitre <nico@linaro.org>
Acked-by: Jason Cooper <jason@lakedaemon.net>
2013-01-11 10:54:03 +08:00
Rob Herring
b1cffebf10 ARM: GIC: remove direct use of gic_raise_softirq
In preparation of moving gic code to drivers/irqchip, remove the direct
platform dependencies on gic_raise_softirq. Move the setup of
smp_cross_call into the gic code and use arch_send_wakeup_ipi_mask
function to trigger wake-up IPIs.

Signed-off-by: Rob Herring <rob.herring@calxeda.com>
Cc: Russell King <linux@arm.linux.org.uk>
Cc: Kukjin Kim <kgene.kim@samsung.com>
Cc: Sascha Hauer <kernel@pengutronix.de>
Cc: David Brown <davidb@codeaurora.org>
Cc: Daniel Walker <dwalker@fifo99.com>
Cc: Bryan Huntsman <bryanh@codeaurora.org>
Acked-by: Tony Lindgren <tony@atomide.com>
Acked-by: Santosh Shilimkar <santosh.shilimkar@ti.com>
Cc: Paul Mundt <lethal@linux-sh.org>
Cc: Magnus Damm <magnus.damm@gmail.com>
Acked-by: Viresh Kumar <viresh.kumar@linaro.org>
Cc: Shiraz Hashim <shiraz.hashim@st.com>
Acked-by: Stephen Warren <swarren@nvidia.com>
Cc: Srinidhi Kasagar <srinidhi.kasagar@stericsson.com>
Cc: Linus Walleij <linus.walleij@linaro.org>
Acked-by: Olof Johansson <olof@lixom.net>
2013-01-10 11:45:43 -06:00
Greg Kroah-Hartman
351a102dbf ARM: drivers: remove __dev* attributes.
CONFIG_HOTPLUG is going away as an option.  As a result, the __dev*
markings need to be removed.

This change removes the use of __devinit, __devexit_p, __devinitdata,
and __devexit from these drivers.

Based on patches originally written by Bill Pemberton, but redone by me
in order to handle some of the coding style issues better, by hand.

Cc: Bill Pemberton <wfp5p@virginia.edu>
Cc: Russell King <linux@arm.linux.org.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2013-01-03 15:57:04 -08:00
Stephen Warren
6bb27d7349 ARM: delete struct sys_timer
Now that the only field in struct sys_timer is .init, delete the struct,
and replace the machine descriptor .timer field with the initialization
function itself.

This will enable moving timer drivers into drivers/clocksource without
having to place a public prototype of each struct sys_timer object into
include/linux; the intent is to create a single of_clocksource_init()
function that determines which timer driver to initialize by scanning
the device dtree, much like the proposed irqchip_init() at:
http://www.spinics.net/lists/arm-kernel/msg203686.html

Includes mach-omap2 fixes from Igor Grinberg.

Tested-by: Robert Jarzmik <robert.jarzmik@free.fr>
Signed-off-by: Stephen Warren <swarren@nvidia.com>
2012-12-24 09:36:38 -07:00
Olof Johansson
0f600f40d7 Merge tag 'tegra-for-3.8-fixes-for-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/swarren/linux-tegra into fixes
ARM: tegra: fixes for 3.8

This branch contains a few miscellaneous fixes that have shown up in the
last few weeks.

By Sivaram Nair (2) and Hiroshi Doyu (1)
via Stephen Warren
* tag 'tegra-for-3.8-fixes-for-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/swarren/linux-tegra:
  amba: tegra-ahb: Fix warning w/o PM_SLEEP
  ARM: tegra: fix comment in dsib clk set_parent
  ARM: tegra: select correct parent clk for pll_p

Signed-off-by: Olof Johansson <olof@lixom.net>
2012-12-17 10:04:27 -08:00
Linus Torvalds
a2013a13e6 Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/trivial
Pull trivial branch from Jiri Kosina:
 "Usual stuff -- comment/printk typo fixes, documentation updates, dead
  code elimination."

* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/trivial: (39 commits)
  HOWTO: fix double words typo
  x86 mtrr: fix comment typo in mtrr_bp_init
  propagate name change to comments in kernel source
  doc: Update the name of profiling based on sysfs
  treewide: Fix typos in various drivers
  treewide: Fix typos in various Kconfig
  wireless: mwifiex: Fix typo in wireless/mwifiex driver
  messages: i2o: Fix typo in messages/i2o
  scripts/kernel-doc: check that non-void fcts describe their return value
  Kernel-doc: Convention: Use a "Return" section to describe return values
  radeon: Fix typo and copy/paste error in comments
  doc: Remove unnecessary declarations from Documentation/accounting/getdelays.c
  various: Fix spelling of "asynchronous" in comments.
  Fix misspellings of "whether" in comments.
  eisa: Fix spelling of "asynchronous".
  various: Fix spelling of "registered" in comments.
  doc: fix quite a few typos within Documentation
  target: iscsi: fix comment typos in target/iscsi drivers
  treewide: fix typo of "suport" in various comments and Kconfig
  treewide: fix typo of "suppport" in various comments
  ...
2012-12-13 12:00:02 -08:00
Linus Torvalds
b8edf848e9 ARM: arm-soc: multiplatform conversion patches
Here are more patches in the progression towards multiplatform, sparse
 irq conversions in particular.
 
 Tegra has a handful of cleanups and general groundwork, but is
 not quite there yet on full enablement.
 
 Platforms that are enabled through this branch are VT8500 and Zynq. note
 that i.MX was converted in one of the earlier cleanup branches as
 well (before we started a separate topic for multiplatform). And both
 new platforms for this merge window, sunxi and bcm, were merged with
 multiplatform support enabled.
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Merge tag 'multiplatform' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc

Pull ARM SoC multiplatform conversion patches from Olof Johansson:
 "Here are more patches in the progression towards multiplatform, sparse
  irq conversions in particular.

  Tegra has a handful of cleanups and general groundwork, but is not
  quite there yet on full enablement.

  Platforms that are enabled through this branch are VT8500 and Zynq.
  Note that i.MX was converted in one of the earlier cleanup branches as
  well (before we started a separate topic for multiplatform).  And both
  new platforms for this merge window, sunxi and bcm, were merged with
  multiplatform support enabled."

Fix up conflicts mostly as per Olof.

* tag 'multiplatform' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (29 commits)
  ARM: zynq: Remove all unused mach headers
  ARM: zynq: add support for ARCH_MULTIPLATFORM
  ARM: zynq: make use of debug_ll_io_init()
  ARM: zynq: remove TTC early mapping
  ARM: tegra: move debug-macro.S to include/debug
  ARM: tegra: don't include iomap.h from debug-macro.S
  ARM: tegra: decouple uncompress.h and debug-macro.S
  ARM: tegra: simplify DEBUG_LL UART selection options
  ARM: tegra: select SPARSE_IRQ
  ARM: tegra: enhance timer.c to get IO address from device tree
  ARM: tegra: enhance timer.c to get IRQ info from device tree
  ARM: timer: fix checkpatch warnings
  ARM: tegra: add TWD to device tree
  ARM: tegra: define DT bindings for and instantiate RTC
  ARM: tegra: define DT bindings for and instantiate timer
  clocksource/mtu-nomadik: use apb_pclk
  clk: ux500: Register mtu apb_pclocks
  ARM: plat-nomadik: convert platforms to SPARSE_IRQ
  mfd/db8500-prcmu: use the irq_domain_add_simple()
  mfd/ab8500-core: use irq_domain_add_simple()
  ...
2012-12-13 10:57:16 -08:00
Masanari Iida
e41e85cc17 treewide: Fix typos in various Kconfig
Correct spelling typo within various Kconfig.

Signed-off-by: Masanari Iida <standby24x7@gmail.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
2012-12-03 11:03:56 +01:00
Sivaram Nair
6e25e1b178 ARM: tegra: fix comment in dsib clk set_parent
Since the clk framework has already taken necessary locks before calling
into the arch clk ops code, no further locks are needed while setting
the parent of dsib clk. This patch removes a comment that indicated
otherwise, and yet did not take any locks.

Signed-off-by: Sivaram Nair <sivaramn@nvidia.com>
Signed-off-by: Stephen Warren <swarren@nvidia.com>
2012-11-26 13:44:04 -07:00
Sivaram Nair
6eb583da95 ARM: tegra: select correct parent clk for pll_p
For Tegra30, pll_p clk's parent is wrongly specified as clk_m instead of
pll_ref in the tegra30_clk_init_table and this is resulting in a
boot-time warning. This patch fixes this by correcting the clk init
table.

Signed-off-by: Sivaram Nair <sivaramn@nvidia.com>
Signed-off-by: Stephen Warren <swarren@nvidia.com>
2012-11-26 13:43:41 -07:00
Stephen Warren
4606780352 ARM: tegra: move debug-macro.S to include/debug
Move Tegra's debug-macro.S over to the common debug macro directory.

Move Tegra's debug UART selection menu into ARM's Kconfig.debug, so that
all related options are selected in the same place.

Tegra's uncompress.h is left in mach-tegra/include/mach; it will be
removed whenever Tegra is converted to multi-platform.

Signed-off-by: Stephen Warren <swarren@nvidia.com>
2012-11-16 12:22:18 -07:00
Stephen Warren
7a28106509 ARM: tegra: don't include iomap.h from debug-macro.S
In order to move Tegra's debug-macro.S to a common location for single
zImage, it must not rely on any machine-specific header files such as
<mach/iomap.h>. Duplicate the few physical address definitions that
debug-macro.S relies upon directly into the file.

To avoid tegra_io_desc[] requiring shared knowledge of the UART
mapping's virtual address, use a virtual address outside the ranges
in tegra_io_desc[]. Call debug_ll_io_init() to propagate the mapping
beyond the early pages tables.

Signed-off-by: Stephen Warren <swarren@nvidia.com>
2012-11-16 12:22:17 -07:00
Stephen Warren
1a6d3da8bc ARM: tegra: decouple uncompress.h and debug-macro.S
Prior to this change, Tegra's debug-macro.S relied on uncompress.h having
determined which UART to use, and whether it was safe to use the UART
(i.e. is it not in reset, and is clocked). This determination was
communicated from uncompress.h to debug-macro.S using a few bytes of
Tegra's IRAM (an on-SoC RAM). This had the disadvantage that uncompress.h
was a required part of the kernel boot process; booting a non-compressed
kernel would not allow earlyprintk to operate.

This change duplicates the UART selection and validation logic into
debug-macro.S so that the reliance on uncompress.h is removed.

This also helps out with single-zImage work, since there is currently no
support for using any uncompress.h with single-zImage.

Signed-off-by: Stephen Warren <swarren@nvidia.com>
2012-11-16 12:22:17 -07:00
Stephen Warren
adc1831588 ARM: tegra: simplify DEBUG_LL UART selection options
Delete CONFIG_TEGRA_DEBUG_UART_AUTO_SCRATCH; it's not useful any more:
* No upstream bootloader currently or will ever support this option.
* CONFIG_TEGRA_DEBUG_UART_AUTO_ODMDATA is a much more direct alternative.

Merge the fixed and automatic UART selection menus into a single choice
for simplicity; now you either pick AUTO_ODMDATA or a single fixed UART,
rather than potentially having an AUTO option override whatever fixed
option was chosen.

Remove TEGRA_DEBUG_UART_NONE; if you don't want a Tegra DEBUG_LL UART,
simply don't turn on DEBUG_LL. NONE used to be the default option, so
pick AUTO_ODMDATA as the new default.

Signed-off-by: Stephen Warren <swarren@nvidia.com>
2012-11-16 12:22:17 -07:00
Stephen Warren
c5a4d6b07a ARM: tegra: select SPARSE_IRQ
SPARSE_IRQ is required for single zImage support.

With this enabled, we can delete <mach/irqs.h>. This requires removing
one unnecessary include of that file, and hard-coding the PCIe IRQ into
the PCIe driver. This is a hack that will be dealt with as part of
converting the PCIe driver into a true DT-supporting driver.

Signed-off-by: Stephen Warren <swarren@nvidia.com>
2012-11-16 12:22:17 -07:00
Stephen Warren
3a04931e3b ARM: tegra: enhance timer.c to get IO address from device tree
Modify Tegra's timer code to parse the IO address from device tree,
hence removing the dependency on <mach/iomap.h>. This will allow the
driver to be moved to drivers/clocksource/.

Signed-off-by: Stephen Warren <swarren@nvidia.com>
2012-11-16 12:22:17 -07:00
Stephen Warren
56415480e9 ARM: tegra: enhance timer.c to get IRQ info from device tree
Modify Tegra's timer code to parse the Tegra timer IRQ from device tree,
and to instantiate the TWD from device tree, rather than relying on hard-
coded values from <mach/irqs.h>.

Signed-off-by: Stephen Warren <swarren@nvidia.com>
2012-11-16 12:22:16 -07:00
Stephen Warren
58664f9052 ARM: timer: fix checkpatch warnings
This prevents checkpatch complaining when this file is moved in a later
patch.

Signed-off-by: Stephen Warren <swarren@nvidia.com>
2012-11-16 12:22:16 -07:00
Joseph Lo
29a0e7beab ARM: tegra: retain L2 content over CPU suspend/resume
The L2 RAM is in different power domain from the CPU cluster. So the
L2 content can be retained over CPU suspend/resume. To do that, we
need to disable L2 after the MMU is disabled, and enable L2 before
the MMU is enabled. But the L2 controller is in the same power domain
with the CPU cluster. We need to restore it's settings and re-enable
it after the power be resumed.

Signed-off-by: Joseph Lo <josephl@nvidia.com>
Acked-by: Peter De Schrijver <pdeschrijver@nvidia.com>
Signed-off-by: Stephen Warren <swarren@nvidia.com>
2012-11-15 15:09:22 -07:00
Joseph Lo
d552920a02 ARM: tegra30: cpuidle: add powered-down state for CPU0
This is a power gating idle mode. It support power gating vdd_cpu rail
after all cpu cores in "powered-down" status. For Tegra30, the CPU0 can
enter this state only when all secondary CPU is offline. We need to take
care and make sure whole secondary CPUs were offline and checking the
CPU power gate status. After that, the CPU0 can go into "powered-down"
state safely. Then shut off the CPU rail.

Be aware of that, you may see the legacy power state "LP2" in the code
which is exactly the same meaning of "CPU power down".

Base on the work by:
Scott Williams <scwilliams@nvidia.com>

Signed-off-by: Joseph Lo <josephl@nvidia.com>
Signed-off-by: Stephen Warren <swarren@nvidia.com>
2012-11-15 15:09:22 -07:00
Joseph Lo
01459c69dd ARM: tegra30: flowctrl: add cpu_suspend_exter/exit function
The flow controller can help CPU to go into suspend mode (powered-down
state). When CPU go into powered-down state, it needs some careful
settings before getting into and after leaving. The enter and exit
functions do that by configuring appropriate mode for flow controller.

Signed-off-by: Joseph Lo <josephl@nvidia.com>
Signed-off-by: Stephen Warren <swarren@nvidia.com>
2012-11-15 15:09:21 -07:00
Joseph Lo
a6e293eef2 ARM: tegra30: clocks: add CPU low-power function into tegra_cpu_car_ops
Add suspend, resume and rail_off_ready API into tegra_cpu_car_ops. These
functions were used for CPU powered-down state maintenance. One thing
needs to notice the rail_off_ready API only availalbe for cpu_g cluster
not cpu_lp cluster.

Signed-off-by: Joseph Lo <josephl@nvidia.com>
Signed-off-by: Stephen Warren <swarren@nvidia.com>
2012-11-15 15:09:21 -07:00
Joseph Lo
fe508d7769 ARM: tegra30: common: enable csite clock
Enable csite (debug and trace controller) clock at init to prevent it
be disabled. And this also the necessary clock for CPU be brought up or
resumed from a power-gating low power state.

Signed-off-by: Joseph Lo <josephl@nvidia.com>
Signed-off-by: Stephen Warren <swarren@nvidia.com>
2012-11-15 15:09:21 -07:00
Joseph Lo
d457ef358f ARM: tegra30: cpuidle: add powered-down state for secondary CPUs
This supports power-gated idle on secondary CPUs for Tegra30. The
secondary CPUs can go into powered-down state independently. When
CPU goes into this state, it saves it's contexts and puts itself
to flow controlled WFI state. After that, it will been power gated.

Be aware of that, you may see the legacy power state "LP2" in the
code which is exactly the same meaning of "CPU power down".

Based on the work by:
Scott Williams <scwilliams@nvidia.com>

Signed-off-by: Joseph Lo <josephl@nvidia.com>
Signed-off-by: Stephen Warren <swarren@nvidia.com>
2012-11-15 15:09:21 -07:00
Joseph Lo
d3f293656c ARM: tegra: cpuidle: add CPU resume function
The CPU suspending on Tegra means CPU power gating. We add a resume
function for taking care the CPUs that resume from power gating status.
This function was been hooked to the reset handler. We take care
everything here before go into kernel.

Be aware of that, you may see the legacy power status "LP2" in the code
which is exactly the same meaning of "CPU power down".

Based on the work by:
Scott Williams <scwilliams@nvidia.com>
Colin Cross <ccross@android.com>
Gary King <gking@nvidia.com>

Signed-off-by: Joseph Lo <josephl@nvidia.com>
Signed-off-by: Stephen Warren <swarren@nvidia.com>
2012-11-15 15:09:21 -07:00
Joseph Lo
0b25e25bef ARM: tegra: cpuidle: separate cpuidle driver for different chips
The different Tegra chips may have different CPU idle states and data.
Individual CPU idle driver make it more easy to maintain.

Signed-off-by: Joseph Lo <josephl@nvidia.com>
Signed-off-by: Stephen Warren <swarren@nvidia.com>
2012-11-15 15:09:20 -07:00
Joseph Lo
641b4ef8f1 ARM: tegra: rename the file of "sleep-tXX" to "sleep-tegraXX"
For the naming consistency under the mach-tegra, we re-name the file of
"sleep-tXX" to "sleep-tegraXX" (e.g., sleep-t30 to sleep-tegra30).

Signed-off-by: Joseph Lo <josephl@nvidia.com>
Signed-off-by: Stephen Warren <swarren@nvidia.com>
2012-11-15 15:09:01 -07:00
Joseph Lo
d5db9a4422 ARM: tegra: cpuidle: replace LP3 with ARM_CPUIDLE_WFI_STATE
The Tegra CPU idle LP3 state is doing ARM WFI only. So it's same with
the common ARM_CPUIDLE_WFI_STATE. Using it to replace LP3 now.

Signed-off-by: Joseph Lo <josephl@nvidia.com>
Signed-off-by: Stephen Warren <swarren@nvidia.com>
2012-11-15 15:08:28 -07:00
Thierry Reding
d1d3b978f6 ARM: tegra: Add Tegra30 host1x clock support
Setup the clock parents for the two display controllers and HDMI.

Signed-off-by: Thierry Reding <thierry.reding@avionic-design.de>
Signed-off-by: Stephen Warren <swarren@nvidia.com>
2012-11-15 14:46:29 -07:00
Thierry Reding
2acc1fc282 ARM: tegra: Add AUXDATA for Tegra30 host1x
Add the OF_DEV_AUXDATA table entries required to associate the proper
names with host1x and its children. In turn, this allows the devices to
find the required clocks.

Signed-off-by: Thierry Reding <thierry.reding@avionic-design.de>
Signed-off-by: Stephen Warren <swarren@nvidia.com>
2012-11-15 14:46:28 -07:00
Thierry Reding
5f10778370 ARM: tegra: Add Tegra20 host1x clock support
Extend the pll_d frequency table with a few entries to support common
HDMI and LVDS display modes and setup the clock parents for the two
display controllers and HDMI.

Signed-off-by: Thierry Reding <thierry.reding@avionic-design.de>
Signed-off-by: Stephen Warren <swarren@nvidia.com>
2012-11-15 14:46:26 -07:00
Thierry Reding
35de7bfe91 ARM: tegra: Add AUXDATA for Tegra20 host1x
Add the OF_DEV_AUXDATA table entries required to associate the proper
names with host1x and its children. In turn, this allows the devices to
find the required clocks.

Signed-off-by: Thierry Reding <thierry.reding@avionic-design.de>
Signed-off-by: Stephen Warren <swarren@nvidia.com>
2012-11-15 14:46:23 -07:00
Danny Huang
f8ddda713b ARM: tegra: Tegra30 speedo-based process identification
This patch adds speedo-based process identification support for Tegra30.

Signed-off-by: Danny Huang <dahuang@nvidia.com>
[swarren s/Tegra3/Tegra30/ in log print,
s/T30/Tegra30/ in commit description]
Signed-off-by: Stephen Warren <swarren@nvidia.com>
2012-11-15 14:36:59 -07:00
Danny Huang
25cd5a3914 ARM: tegra: Add speedo-based process identification
Detect CPU and core process ID by checking speedo corner tables.
This can provide a more accurate process ID.

Signed-off-by: Danny Huang <dahuang@nvidia.com>
[swarren s/Tegra2/Tegra20/ in log print]
Signed-off-by: Stephen Warren <swarren@nvidia.com>
2012-11-15 14:34:20 -07:00
Danny Huang
1f851a262b ARM: tegra: flexible spare fuse read function
Change the spare fuse base from a definition to a variable.
It provides flexibilty to read spare fuse on different chip.

Signed-off-by: Danny Huang <dahuang@nvidia.com>
Signed-off-by: Stephen Warren <swarren@nvidia.com>
2012-11-15 14:16:46 -07:00
Peter De Schrijver
fd072a86bd ARM: tegra: Implement 6395/1 for Tegra
This patch implements ARM linux patch 6395/1 for Tegra. See commit
1a8e41c "ARM: 6395/1: VExpress: Set bit 22 in the PL310 (cache
controller) AuxCtlr register" for details.

Signed-off-by: Peter De Schrijver <pdeschrijver@nvidia.com>
[swarren: added commit subject for referenced patch]
Signed-off-by: Stephen Warren <swarren@nvidia.com>
2012-11-14 13:30:06 -07:00
Laxman Dewangan
e245f54a06 ARM: tegra: Add OF_DEV_AUXDATA for sflash driver in board dt
Add OF_DEV_AUXDATA for sflash controller driver for Tegra20
board dt files.
Set the parent clock of sflash controller to PLLP and configure
clock to 20MHz.

Signed-off-by: Laxman Dewangan <ldewangan@nvidia.com>
Signed-off-by: Stephen Warren <swarren@nvidia.com>
2012-11-13 11:42:39 -07:00
Joseph Lo
ca3d241cb2 ARM: tegra: enable data prefetch on L2
Enable the data prefetch on L2. The bit28 in aux ctrl register.

Signed-off-by: Joseph Lo <josephl@nvidia.com>
Signed-off-by: Stephen Warren <swarren@nvidia.com>
Acked-by: Peter De Schrijver <pdeschrijver@nvidia.com>
2012-11-09 14:58:40 -07:00
Laxman Dewangan
ffa05e450c ARM: tegra: Add OF_DEV_AUXDATA for SLINK driver in board dt
Add OF_DEV_AUXDATA for slink driver for Tegra20 and Tegra30
board dt files.
Set the parent clock of slink controller to PLLP and configure
clock to 100MHz.

Signed-off-by: Laxman Dewangan <ldewangan@nvidia.com>
Signed-off-by: Stephen Warren <swarren@nvidia.com>
2012-11-05 11:36:23 -07:00
Joseph Lo
d065ab7189 ARM: tegra: common: using OF api for L2 cache init
Moving L2 cache init to DT support.

Signed-off-by: Joseph Lo <josephl@nvidia.com>
Signed-off-by: Stephen Warren <swarren@nvidia.com>
2012-11-05 11:36:23 -07:00
Joseph Lo
d534b5d4a5 ARM: tegra30: clocks: add AHB and APB clocks
Adding the AHB and APB bus clock for Tegra30.

Signed-off-by: Joseph Lo <josephl@nvidia.com>
Signed-off-by: Stephen Warren <swarren@nvidia.com>
2012-11-05 11:36:22 -07:00
Wei Ni
25804d8123 ARM: tegra: set up wlan clocks for tegra dt
Set up the wlan clock tree for Tegra20 and Tegra30.

Signed-off-by: Wei Ni <wni@nvidia.com>
Signed-off-by: Stephen Warren <swarren@nvidia.com>
2012-11-05 11:36:22 -07:00
Stephen Warren
bb1de8877c ARM: tegra: move irammap.h to mach-tegra
Nothing outside mach-tegra uses this file, so there's no need for it to
be in <mach/>.

Since uncompress.h and debug-macro.S remain in include/mach, they need
to include "../../irammap.h" becaue of this change. Both these usages
will be removed shortly, when Tegra's DEBUG_LL implementation is updated
not to pass information through IRAM.

Signed-off-by: Stephen Warren <swarren@nvidia.com>
2012-11-05 11:36:06 -07:00
Stephen Warren
2be39c079d ARM: tegra: move iomap.h to mach-tegra
Nothing outside mach-tegra uses this file, so there's no need for it to
be in <mach/>.

Since uncompress.h and debug-macro.S remain in include/mach, they need
to include "../../iomap.h" becaue of this change. uncompress.h will soon
be deleted in later multi-platform/single-zImage patches. debug-macro.S
will need to continue to include this header using an explicit relative
path, to avoid duplicating the physical->virtual address mapping that
iomap.h dictates.

Signed-off-by: Stephen Warren <swarren@nvidia.com>
2012-11-05 11:36:06 -07:00
Stephen Warren
8a5d51fda0 ARM: tegra: remove <mach/dma.h>
Remove includes of <mach/dma.h> from sound/soc; nothing from it is used.

Remove include of <mach/dma.h> from mach-tegra/apbio.c; since the DMA
transfers made by this file don't need flow-control with any peripheral,
there's no need to set any slave ID.

Once those changes are made, there are no remaining users of <mach/dma.h>
so remove it. Drivers should get this information from device tree. This
removal is necessary for single zImage.

Signed-off-by: Stephen Warren <swarren@nvidia.com>
Acked-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
2012-11-05 11:36:06 -07:00
Stephen Warren
cc95e347cb ARM: tegra: move tegra-ahb.h out of arch/arm/mach-tegra/
We wish to empty arch/arm/mach-tegra/include/mach/ as much as possible
to enable single zImage. Move tegra-ahb.h to a more central location
(suggested by Arnd, OK'd by Greg KH), and actually make tegra-ahb.c
include the header to ensure client and provider agree on the prototype.

Signed-off-by: Stephen Warren <swarren@nvidia.com>
2012-11-05 11:36:06 -07:00
Stephen Warren
a25186eb03 ARM: tegra: remove unnecessary includes of <mach/*.h>
This should make it easier to delete or move <mach/*.h>; something that
is useful for single-zImage.

Signed-off-by: Stephen Warren <swarren@nvidia.com>
2012-11-05 11:36:05 -07:00
Sivaram Nair
bf88ef8835 ARM: tegra: add tegra_timer clock
This undoes commit 20f4665 "ARM: tegra: remove tegra_timer from
tegra_list_clks" by bringing back the tegra_timer clock. tegra_timer is
indeed a clock (hidden by the PERIPH_CLK macro) which should be added
to the tegra_list_clks.

The above commit caused tegra_init_timer() failing to get the clk
reference.

Signed-off-by: Sivaram Nair <sivaramn@nvidia.com>
[swarren: added the reverted commit's subject to this patch description]
Signed-off-by: Stephen Warren <swarren@nvidia.com>
2012-10-16 11:15:05 -06:00
Sivaram Nair
f2ef412d58 ARM: tegra: rename tegra system timer
The timer variable is renamed to avoid confusion and symbol name clash
with the tegra_timer clock.

Signed-off-by: Sivaram Nair <sivaramn@nvidia.com>
Signed-off-by: Stephen Warren <swarren@nvidia.com>
2012-10-16 11:14:40 -06:00
Mark Zhang
786621308c ARM: tegra30: clk: Fix output_rate overflow
Change the type of variable from "unsigned long" to "u64".
This avoids the overflow while clock rate calculating.

Signed-off-by: Mark Zhang <markz@nvidia.com>
Signed-off-by: Stephen Warren <swarren@nvidia.com>
2012-10-16 11:14:34 -06:00
Russell King
b1b3f49ce4 ARM: config: sort select statements alphanumerically
As suggested by Andrew Morton:

  This is a pet peeve of mine.  Any time there's a long list of items
  (header file inclusions, kconfig entries, array initalisers, etc) and
  someone wants to add a new item, they *always* go and stick it at the
  end of the list.

  Guys, don't do this.  Either put the new item into a randomly-chosen
  position or, probably better, alphanumerically sort the list.

lets sort all our select statements alphanumerically.  This commit was
created by the following perl:

while (<>) {
	while (/\\\s*$/) {
		$_ .= <>;
	}
	undef %selects if /^\s*config\s+/;
	if (/^\s+select\s+(\w+).*/) {
		if (defined($selects{$1})) {
			if ($selects{$1} eq $_) {
				print STDERR "Warning: removing duplicated $1 entry\n";
			} else {
				print STDERR "Error: $1 differently selected\n".
					"\tOld: $selects{$1}\n".
					"\tNew: $_\n";
				exit 1;
			}
		}
		$selects{$1} = $_;
		next;
	}
	if (%selects and (/^\s*$/ or /^\s+help/ or /^\s+---help---/ or
			  /^endif/ or /^endchoice/)) {
		foreach $k (sort (keys %selects)) {
			print "$selects{$k}";
		}
		undef %selects;
	}
	print;
}
if (%selects) {
	foreach $k (sort (keys %selects)) {
		print "$selects{$k}";
	}
}

It found two duplicates:

Warning: removing duplicated S5P_SETUP_MIPIPHY entry
Warning: removing duplicated HARDIRQS_SW_RESEND entry

and they are identical duplicates, hence the shrinkage in the diffstat
of two lines.

We have four testers reporting success of this change (Tony, Stephen,
Linus and Sekhar.)

Acked-by: Jason Cooper <jason@lakedaemon.net>
Acked-by: Tony Lindgren <tony@atomide.com>
Acked-by: Stephen Warren <swarren@nvidia.com>
Acked-by: Linus Walleij <linus.walleij@linaro.org>
Acked-by: Sekhar Nori <nsekhar@ti.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2012-10-13 17:11:28 +01:00
Linus Torvalds
da06a8d7be ARM: SoC fixes
A series of fixes (and in some cases, some cleanups):
 
 Via Tony Lindgren:
 - A collection of OMAP regression fixes, in particular because firmware
   no longer sets up all pin states before starting the kernel.
 - cpufreq fixes for OMAP (Rafael is on vacation and this was pre-agreed).
 - A longer series of misc regression fixes and cleanups, warning removals,
   etc for OMAP
 
 From Arnd Bergmann:
 - A series of warning fixes for various platforms (defconfig builds)
 
 Misc:
 - A couple of tegra fixes, one for i.MX, some vt8500 fixes, etc.
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Merge tag 'fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc

Pull ARM SoC fixes from Olof Johansson:
 "A series of fixes (and in some cases, some cleanups):

  Via Tony Lindgren:
   - A collection of OMAP regression fixes, in particular because
     firmware no longer sets up all pin states before starting the
     kernel.
   - cpufreq fixes for OMAP (Rafael is on vacation and this was
     pre-agreed).
   - A longer series of misc regression fixes and cleanups, warning
     removals, etc for OMAP

  From Arnd Bergmann:
   - A series of warning fixes for various platforms (defconfig builds)

  Misc:
   - A couple of tegra fixes, one for i.MX, some vt8500 fixes, etc."

* tag 'fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (73 commits)
  ARM: pxa: armcore: fix PCI PIO warnings
  ARM: integrator: use __iomem pointers for MMIO, part 2
  ARM: assabet: fix bogus warning in get_assabet_scr (again)
  ARM: shmobile: mark shmobile_init_late as __init
  ARM: integrator_cp: fix build failure
  ARM: OMAP4/AM335x: hwmod: fix disable_module regression in hardreset handling
  ARM: OMAP3: fix workaround for EMU clockdomain
  arm/omap: Replace board_ref_clock with enum values
  ARM: OMAP2+: remove duplicated include from board-omap3stalker.c
  arch/arm/plat-omap/omap-pm-noop.c: Remove unecessary semicolon
  arch/arm/mach-omap2: Remove unecessary semicolon
  arch/arm/mach-omap1/devices.c: Remove unecessary semicolon
  ARM/dts: omap5-evm: pinmux configuration for audio
  ARM/dts: Add pinctrl driver entries for omap5
  ARM/dts: omap4-panda: pinmux configuration for audio
  ARM/dts: omap4-sdp: pinmux configuration for audio
  ARM/dts: omap5-evm: Disable unused McBSP3
  ARM/dts: omap4-sdp: Disable unused McBSP3
  ARM/dts: omap4-panda: Disable unused audio IPs
  ARM: OMAP: board-omap4panda: Pin mux configuration for audio needs
  ...
2012-10-11 10:21:48 +09:00
Linus Torvalds
f5a246eab9 Sound updates for 3.7-rc1
This contains pretty many small commits covering fairly large range of
 files in sound/ directory.  Partly because of additional API support
 and partly because of constantly developed ASoC and ARM stuff.
 
 Some highlights:
 
 - Introduced the helper function and documentation for exposing the
   channel map via control API, as discussed in Plumbers; most of PCI
   drivers are covered, will follow more drivers later
 
 - Most of drivers have been replaced with the new PM callbacks (if
   the bus is supported)
 
 - HD-audio controller got the support of runtime PM and the support of
   D3 clock-stop.  Also changing the power_save option in sysfs kicks
   off immediately to enable / disable the power-save mode.
 
 - Another significant code change in HD-audio is the rewrite of
   firmware loading code.  Other than that, most of changes in HD-audio
   are continued cleanups and standardization for the generic auto
   parser and bug fixes (HBR, device-specific fixups), in addition to
   the support of channel-map API.
 
 - Addition of ASoC bindings for the compressed API, used by the
   mid-x86 drivers.
 
 - Lots of cleanups and API refreshes for ASoC codec drivers and
   DaVinci.
 
 - Conversion of OMAP to dmaengine.
 
 - New machine driver for Wolfson Microelectronics Bells.
 
 - New CODEC driver for Wolfson Microelectronics WM0010.
 
 - Enhancements to the ux500 and wm2000 drivers
 
 - A new driver for DA9055 and the support for regulator bypass mode.
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Merge tag 'sound-3.7' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound

Pull sound updates from Takashi Iwai:
 "This contains pretty many small commits covering fairly large range of
  files in sound/ directory.  Partly because of additional API support
  and partly because of constantly developed ASoC and ARM stuff.

  Some highlights:

   - Introduced the helper function and documentation for exposing the
     channel map via control API, as discussed in Plumbers; most of PCI
     drivers are covered, will follow more drivers later

   - Most of drivers have been replaced with the new PM callbacks (if
     the bus is supported)

   - HD-audio controller got the support of runtime PM and the support
     of D3 clock-stop.  Also changing the power_save option in sysfs
     kicks off immediately to enable / disable the power-save mode.

   - Another significant code change in HD-audio is the rewrite of
     firmware loading code.  Other than that, most of changes in
     HD-audio are continued cleanups and standardization for the generic
     auto parser and bug fixes (HBR, device-specific fixups), in
     addition to the support of channel-map API.

   - Addition of ASoC bindings for the compressed API, used by the
     mid-x86 drivers.

   - Lots of cleanups and API refreshes for ASoC codec drivers and
     DaVinci.

   - Conversion of OMAP to dmaengine.

   - New machine driver for Wolfson Microelectronics Bells.

   - New CODEC driver for Wolfson Microelectronics WM0010.

   - Enhancements to the ux500 and wm2000 drivers

   - A new driver for DA9055 and the support for regulator bypass mode."

Fix up various arm soc header file reorg conflicts.

* tag 'sound-3.7' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound: (339 commits)
  ALSA: hda - Add new codec ALC283 ALC290 support
  ALSA: hda - avoid unneccesary indices on "Headphone Jack" controls
  ALSA: hda - fix indices on boost volume on Conexant
  ALSA: aloop - add locking to timer access
  ALSA: hda - Fix hang caused by race during suspend.
  sound: Remove unnecessary semicolon
  ALSA: hda/realtek - Fix detection of ALC271X codec
  ALSA: hda - Add inverted internal mic quirk for Lenovo IdeaPad U310
  ALSA: hda - make Realtek/Sigmatel/Conexant use the generic unsol event
  ALSA: hda - make a generic unsol event handler
  ASoC: codecs: Add DA9055 codec driver
  ASoC: eukrea-tlv320: Convert it to platform driver
  ALSA: ASoC: add DT bindings for CS4271
  ASoC: wm_hubs: Ensure volume updates are handled during class W startup
  ASoC: wm5110: Adding missing volume update bits
  ASoC: wm5110: Add OUT3R support
  ASoC: wm5110: Add AEC loopback support
  ASoC: wm5110: Rename EPOUT to HPOUT3
  ASoC: arizona: Add more clock rates
  ASoC: arizona: Add more DSP options for mixer input muxes
  ...
2012-10-09 07:07:14 +09:00
Linus Torvalds
c0703c12ef IOMMU Updates for Linux v3.7-rc1
This time the IOMMU updates contain a bunch of fixes and cleanups to
 various IOMMU drivers and the DMA debug code. New features are the
 code for IRQ remapping support with the AMD IOMMU (preperation for that
 was already merged in the last release) and a debugfs interface to
 export some statistics in the NVidia Tegra IOMMU driver.
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Merge tag 'iommu-updates-v3.7-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/joro/iommu

Pull IOMMU updates from Joerg Roedel:
 "This time the IOMMU updates contain a bunch of fixes and cleanups to
  various IOMMU drivers and the DMA debug code.  New features are the
  code for IRQ remapping support with the AMD IOMMU (preperation for
  that was already merged in the last release) and a debugfs interface
  to export some statistics in the NVidia Tegra IOMMU driver."

* tag 'iommu-updates-v3.7-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/joro/iommu: (27 commits)
  iommu/amd: Remove obsolete comment line
  dma-debug: Remove local BUS_NOTIFY_UNBOUND_DRIVER define
  iommu/amd: Fix possible use after free in get_irq_table()
  iommu/amd: Report irq remapping through IOMMU-API
  iommu/amd: Print message to system log when irq remapping is enabled
  iommu/irq: Use amd_iommu_irq_ops if supported
  iommu/amd: Make sure irq remapping still works on dma init failure
  iommu/amd: Add initialization routines for AMD interrupt remapping
  iommu/amd: Add call-back routine for HPET MSI
  iommu/amd: Implement MSI routines for interrupt remapping
  iommu/amd: Add IOAPIC remapping routines
  iommu/amd: Add routines to manage irq remapping tables
  iommu/amd: Add IRTE invalidation routine
  iommu/amd: Make sure IOMMU is not considered to translate itself
  iommu/amd: Split device table initialization into irq and dma part
  iommu/amd: Check if IOAPIC information is correct
  iommu/amd: Allocate data structures to keep track of irq remapping tables
  iommu/amd: Add slab-cache for irq remapping tables
  iommu/amd: Keep track of HPET and IOAPIC device ids
  iommu/amd: Fix features reporting
  ...
2012-10-08 06:33:44 +09:00
Olof Johansson
0b33162ec5 Merge branch 'late/fixes' into fixes
This is a series from Arnd that fixes a number of compiler warnings
when building defconfigs on ARM.

* late/fixes:
  ARM: footbridge: nw_gpio_lock is raw_spin_lock
  ARM: mv78xx0: correct addr_map_cfg __initdata annotation
  ARM: footbridge: remove RTC_IRQ definition
  ARM: soc: dependency warnings for errata
  ARM: ks8695: __arch_virt_to_dma type handling
  ARM: rpc: check device_register return code in ecard_probe
  ARM: davinci: don't mark da850_register_cpufreq as __init
  ARM: iop13xx: fix iq81340sc_atux_map_irq prototype
  ARM: iop13xx: mark iop13xx_scan_bus as __devinit
  ARM: mv78xx0: mark mv78xx0_timer_init as __init_refok
  ARM: s3c24xx: fix multiple section mismatch warnings
  ARM: at91: unused variable in at91_pm_verify_clocks
  ARM: at91: skip at91_io_desc definition for NOMMU
  ARM: pxa: work around duplicate definition of GPIO24_SSP1_SFRM
  ARM: pxa: remove sharpsl_fatal_check function
  ARM: pxa: define palmte2_pxa_keys conditionally
  ARM: pxa: Wunused-result warning in viper board file
  ARM: shark: fix shark_pci_init return code

Fixed trivial conflicts in arch/arm/mach-at91/setup.c.

Signed-off-by: Olof Johansson <olof@lixom.net>
2012-10-07 07:22:32 -07:00
Stephen Warren
6dd41a1f62 ARM: tegra: remove "Tegra board type" comment from Kconfig
Since the complete conversion to device tree, there are no board-
specific Kconfig options left, so remove the useless Kconfig entry.

Signed-off-by: Stephen Warren <swarren@nvidia.com>
Reviewed-by: Thierry Reding <thierry.reding@avionic-design.de>
Signed-off-by: Olof Johansson <olof@lixom.net>
2012-10-07 07:02:07 -07:00
Arnd Bergmann
8f90cce5a9 ARM: soc: dependency warnings for errata
The PL310_ERRATA_753970 and ARM_ERRATA_764369 symbols only make sense
when the base features for them are enabled, so select them
conditionally in Kconfig to avoid warnings like:

warning: (UX500_SOC_COMMON) selects PL310_ERRATA_753970 which has unmet direct dependencies (CACHE_PL310)
warning: (ARCH_TEGRA_2x_SOC && ARCH_TEGRA_3x_SOC && UX500_SOC_COMMON) selects ARM_ERRATA_764369 which has unmet direct dependencies (CPU_V7 && SMP)

Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Reviewed-by: Linus Walleij <linus.walleij@linaro.org>
Acked-by: Stephen Warren <swarren@nvidia.com>
2012-10-07 10:33:10 +02:00
Linus Torvalds
fc47912d9c Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input
Pull input updates from Dmitry Torokhov:
 "A few drivers were updated with device tree bindings and others got a
  few small cleanups and fixes."

Fix trivial conflict in drivers/input/keyboard/omap-keypad.c due to
changes clashing with a whitespace cleanup.

* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input: (28 commits)
  Input: wacom - mark Intuos5 pad as in-prox when touching buttons
  Input: synaptics - adjust threshold for treating position values as negative
  Input: hgpk - use %*ph to dump small buffer
  Input: gpio_keys_polled - fix dt pdata->nbuttons
  Input: Add KD[GS]KBDIACRUC ioctls to the compatible list
  Input: omap-keypad - fixed formatting
  Input: tegra - move platform data header
  Input: wacom - add support for EMR on Cintiq 24HD touch
  Input: s3c2410_ts - make s3c_ts_pmops const
  Input: samsung-keypad - use of_get_child_count() helper
  Input: samsung-keypad - use of_match_ptr()
  Input: uinput - fix formatting
  Input: uinput - specify exact bit sizes on userspace APIs
  Input: uinput - mark failed submission requests as free
  Input: uinput - fix race that can block nonblocking read
  Input: uinput - return -EINVAL when read buffer size is too small
  Input: uinput - take event lock when fetching events from buffer
  Input: get rid of MATCH_BIT() macro
  Input: rotary-encoder - add DT bindings
  Input: rotary-encoder - constify platform data pointers
  ...
2012-10-02 17:16:10 -07:00
Joerg Roedel
0094872583 Merge branches 'dma-debug', 'iommu/fixes', 'arm/tegra', 'arm/exynos', 'x86/amd', 'x86/vt-d' and 'x86/amd-irq-remapping' into next
Conflicts:
	drivers/iommu/amd_iommu_init.c
2012-10-02 14:40:03 +02:00
Linus Torvalds
9cd11c0c47 ARM: soc: multiplatform enablement
This is a pretty significant branch. It's the introduction of the
 first multiplatform support on ARM, and with this (and the later
 branch) merged, it is now possible to build one kernel that contains
 support for highbank, vexpress, mvebu, socfpga, and picoxcell. More
 platforms will be convered over in the next few releases.
 
 Two critical last things had to be done for this to be practical and
 possible:
 * Today each platform has its own include directory under
   mach-<mach>/include/mach/*, and traditionally that is where a lot of
   driver/platform shared definitions have gone, such as platform data
   structures. They now need to move out to a common location instead,
   and this branch moves a large number of those out to
   include/linux/platform_data.
 * Each platform used to list the device trees to compile for its
   boards in mach-<mach>/Makefile.boot.
 
 Both of the above changes will mean that there are some merge
 conflicts to come (and some to resolve here). It's a one-time move and
 once it settles in, we should be good for quite a while. Sorry for the
 overhead.
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Merge tag 'multiplatform' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc

Pull ARM soc multiplatform enablement from Olof Johansson:
 "This is a pretty significant branch.  It's the introduction of the
  first multiplatform support on ARM, and with this (and the later
  branch) merged, it is now possible to build one kernel that contains
  support for highbank, vexpress, mvebu, socfpga, and picoxcell.  More
  platforms will be convered over in the next few releases.

  Two critical last things had to be done for this to be practical and
  possible:
   * Today each platform has its own include directory under
     mach-<mach>/include/mach/*, and traditionally that is where a lot
     of driver/platform shared definitions have gone, such as platform
     data structures.  They now need to move out to a common location
     instead, and this branch moves a large number of those out to
     include/linux/platform_data.
   * Each platform used to list the device trees to compile for its
     boards in mach-<mach>/Makefile.boot.

  Both of the above changes will mean that there are some merge
  conflicts to come (and some to resolve here).  It's a one-time move
  and once it settles in, we should be good for quite a while.  Sorry
  for the overhead."

Fix conflicts as per Olof.

* tag 'multiplatform' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (51 commits)
  ARM: add v7 multi-platform defconfig
  ARM: msm: Move core.h contents into common.h
  ARM: highbank: call highbank_pm_init from .init_machine
  ARM: dtb: move all dtb targets to common Makefile
  ARM: spear: move platform_data definitions
  ARM: samsung: move platform_data definitions
  ARM: orion: move platform_data definitions
  ARM: vexpress: convert to multi-platform
  ARM: initial multiplatform support
  ARM: mvebu: move armada-370-xp.h in mach dir
  ARM: vexpress: remove dependency on mach/* headers
  ARM: picoxcell: remove dependency on mach/* headers
  ARM: move all dtb targets out of Makefile.boot
  ARM: picoxcell: move debug macros to include/debug
  ARM: socfpga: move debug macros to include/debug
  ARM: mvebu: move debug macros to include/debug
  ARM: vexpress: move debug macros to include/debug
  ARM: highbank: move debug macros to include/debug
  ARM: move debug macros to common location
  ARM: make mach/gpio.h headers optional
  ...
2012-10-01 19:11:38 -07:00
Linus Torvalds
8f446a7a06 ARM: soc: driver specific changes
- A long-coming conversion of various platforms to a common LED
   infrastructure
 - AT91 is moved over to use the newer MCI driver for MMC
 - Pincontrol conversions for samsung platforms
 - DT bindings for gscaler on samsung
 - i2c driver fixes for tegra, acked by i2c maintainer
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Merge tag 'drivers' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc

Pull ARM soc driver specific changes from Olof Johansson:
 - A long-coming conversion of various platforms to a common LED
   infrastructure
 - AT91 is moved over to use the newer MCI driver for MMC
 - Pincontrol conversions for samsung platforms
 - DT bindings for gscaler on samsung
 - i2c driver fixes for tegra, acked by i2c maintainer

Fix up conflicts as per Olof.

* tag 'drivers' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (48 commits)
  drivers: bus: omap_l3: use resources instead of hardcoded irqs
  pinctrl: exynos: Fix wakeup IRQ domain registration check
  pinctrl: samsung: Uninline samsung_pinctrl_get_soc_data
  pinctrl: exynos: Correct the detection of wakeup-eint node
  pinctrl: exynos: Mark exynos_irq_demux_eint as inline
  pinctrl: exynos: Handle only unmasked wakeup interrupts
  pinctrl: exynos: Fix typos in gpio/wkup _irq_mask
  pinctrl: exynos: Set pin function to EINT in irq_set_type of GPIO EINTa
  drivers: bus: Move the OMAP interconnect driver to drivers/bus/
  i2c: tegra: dynamically control fast clk
  i2c: tegra: I2_M_NOSTART functionality not supported in Tegra20
  ARM: tegra: clock: remove unused clock entry for i2c
  ARM: tegra: clock: add connection name in i2c clock entry
  i2c: tegra: pass proper name for getting clock
  ARM: tegra: clock: add i2c fast clock entry in clock table
  ARM: EXYNOS: Adds G-Scaler device from Device Tree
  ARM: EXYNOS: Add clock support for G-Scaler
  ARM: EXYNOS: Enable pinctrl driver support for EXYNOS4 device tree enabled platform
  ARM: dts: Add pinctrl node entries for SAMSUNG EXYNOS4210 SoC
  ARM: EXYNOS: skip wakeup interrupt setup if pinctrl driver is used
  ...
2012-10-01 18:46:13 -07:00
Linus Torvalds
ac9e7ab32f ARM: soc: cleanups, part 2
A shorter cleanup branch submitted separately due to dependencies with
 some of the previous topics.
 
 Major thing here is that the Broadcom bcmring platform is removed. It's an
 SoC that's used on some stationary VoIP platforms, and is in desperate
 need of some cleanup. Broadcom came back and suggested that we just
 deprecate the platform for now, since they aren't going to spend the
 resources needed on cleaning it up, and there are no users of the platform
 directly from mainline.
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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:
 "A shorter cleanup branch submitted separately due to dependencies with
  some of the previous topics.

  Major thing here is that the Broadcom bcmring platform is removed.
  It's an SoC that's used on some stationary VoIP platforms, and is in
  desperate need of some cleanup.  Broadcom came back and suggested that
  we just deprecate the platform for now, since they aren't going to
  spend the resources needed on cleaning it up, and there are no users
  of the platform directly from mainline."

Fix some conflicts due to BCM2835 getting added next to the removed
BCMRING, and removal of tegra files that had been converted to
devicetree.

* tag 'cleanup2' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc:
  ARM: Orion5x: ts78xx: Add IOMEM for virtual addresses.
  ARM: ux500: use __iomem pointers for MMIO
  ARM: Remove mach-bcmring
  ARM: clps711x: Remove board support for CEIVA
  ARM: clps711x: Fix register definitions
  ARM: clps711x: Fix lowlevel debug-macro
  ARM: clps711x: Added simple clock framework
  pinctrl: tegra: move pinconf-tegra.h content into drivers/pinctrl
  ARM: tegra: delete unused headers
  ARM: tegra: remove useless includes of <mach/*.h>
  ARM: tegra: remove dead code
2012-10-01 18:32:45 -07:00
Linus Torvalds
2a2bf85f05 ARM: soc: device tree updates
Device tree conversion and enablement branch. Mostly a bunch of new
 bindings and setup for various platforms, but the Via/Winchip VT8500
 platform is also converted over from being 100% legacy to now use
 device tree for probing. More of that will come for 3.8.
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Merge tag 'dt' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc

Pull ARM soc device tree updates from Olof Johansson:
 "Device tree conversion and enablement branch.  Mostly a bunch of new
  bindings and setup for various platforms, but the Via/Winchip VT8500
  platform is also converted over from being 100% legacy to now use
  device tree for probing.  More of that will come for 3.8."

Trivial conflicts due to removal of vt8500 files, and one documentation
file that was added with slightly different contents both here and in
the USb tree.

* tag 'dt' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (212 commits)
  arm: vt8500: Fixup for missing gpio.h
  ARM: LPC32xx: LED fix in PHY3250 DTS file
  ARM: dt: mmp-dma: add binding file
  arm: vt8500: Update arch-vt8500 to devicetree support.
  arm: vt8500: gpio: Devicetree support for arch-vt8500
  arm: vt8500: doc: Add device tree bindings for arch-vt8500 devices
  arm: vt8500: clk: Add Common Clock Framework support
  video: vt8500: Add devicetree support for vt8500-fb and wm8505-fb
  serial: vt8500: Add devicetree support for vt8500-serial
  rtc: vt8500: Add devicetree support for vt8500-rtc
  arm: vt8500: Add device tree files for VIA/Wondermedia SoC's
  ARM: tegra: Add Avionic Design Tamonten Evaluation Carrier support
  ARM: tegra: Add Avionic Design Medcom-Wide support
  ARM: tegra: Add Avionic Design Plutux support
  ARM: tegra: Add Avionic Design Tamonten support
  ARM: tegra: dts: Add pwm label
  ARM: ux500: Fix SSP register address format
  ARM: ux500: Apply tc3589x's GPIO/IRQ properties to HREF's DT
  ARM: ux500: Remove redundant #gpio-cell properties from Snowball DT
  ARM: ux500: Add all encompassing sound node to the HREF Device Tree
  ...
2012-10-01 18:28:06 -07:00
Linus Torvalds
11801e9de2 ARM: soc: soc-specific updates
Most notable here is probably the addition of basic support for the
 BCM2835, an SoC used in some of the Roku 2 players as well as the
 much-hyped Raspberry Pi, cleaned up and contributed by Stephen
 Warren. It's still early days on mainline support, with just the
 basics working. But it has to start somewhere!
 
 Beyond that there's some conversions of clock infrastructure on tegra
 to common clock, misc updates for several other platforms, and OMAP
 now has its own bus (under drivers/bus) to manage its devices through.
 
 This branch adds two new directories outside of arch/arm:
 drivers/irqchip for new irq controllers, and drivers/bus for the above
 OMAP bus. It's expected that some of the other platforms will migrate
 parts of their platforms to those directories over time as well.
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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 Olof Johansson:
 "Most notable here is probably the addition of basic support for the
  BCM2835, an SoC used in some of the Roku 2 players as well as the
  much-hyped Raspberry Pi, cleaned up and contributed by Stephen Warren.
  It's still early days on mainline support, with just the basics
  working.  But it has to start somewhere!

  Beyond that there's some conversions of clock infrastructure on tegra
  to common clock, misc updates for several other platforms, and OMAP
  now has its own bus (under drivers/bus) to manage its devices through.

  This branch adds two new directories outside of arch/arm:
  drivers/irqchip for new irq controllers, and drivers/bus for the above
  OMAP bus.  It's expected that some of the other platforms will migrate
  parts of their platforms to those directories over time as well."

Fix up trivial conflicts with the clk infrastructure changes.

* tag 'soc' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (62 commits)
  ARM: shmobile: add new __iomem annotation for new code
  ARM: LPC32xx: Support GPI 28
  ARM: LPC32xx: Platform update for devicetree completion of spi-pl022
  ARM: LPC32xx: Board cleanup
  irqchip: fill in empty Kconfig
  ARM: SAMSUNG: Add check for NULL in clock interface
  ARM: EXYNOS: Put PCM, Slimbus, Spdif clocks to off state
  ARM: EXYNOS: Add bus clock for FIMD
  ARM: SAMSUNG: Fix HDMI related warnings
  ARM: S3C24XX: Add .get_rate callback for "camif-upll" clock
  ARM: EXYNOS: Fix incorrect help text
  ARM: EXYNOS: Turn off clocks for NAND, OneNAND and TSI controllers
  ARM: OMAP: AM33xx hwmod: fixup SPI after platform_data move
  MAINTAINERS: add an entry for the BCM2835 ARM sub-architecture
  ARM: bcm2835: instantiate console UART
  ARM: bcm2835: add stub clock driver
  ARM: bcm2835: add system timer
  ARM: bcm2835: add interrupt controller driver
  ARM: add infra-structure for BCM2835 and Raspberry Pi
  ARM: tegra20: add CPU hotplug support
  ...
2012-10-01 18:24:44 -07:00
Linus Torvalds
61464c8357 ARM: soc: general cleanups
This is a large branch that contains a handful of different cleanups:
 
 - Fixing up the I/O space remapping on PCI on ARM. This is a series
   from Rob Herring that restructures how all pci devices allocate I/O
   space, and it's part of the work to allow multiplatform kernels.
 - A number of cleanup series for OMAP, moving and removing some
   headers, sparse irq rework and in general preparation for
   multiplatform.
 - Final removal of all non-DT boards for Tegra, it is now
   device-tree-only!
 - Removal of a stale platform, nxp4008. It's an old mobile chipset
   that is no longer in use, and was very likely never really used with
   a mainline kernel. We have not been able to find anyone interested
   in keeping it around in the kernel.
 - Removal of the legacy dmaengine driver on tegra
 
 + A handful of other things that I haven't described above.
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Merge tag 'cleanup' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc

Pull ARM soc general cleanups from Olof Johansson:
 "This is a large branch that contains a handful of different cleanups:

   - Fixing up the I/O space remapping on PCI on ARM.  This is a series
     from Rob Herring that restructures how all pci devices allocate I/O
     space, and it's part of the work to allow multiplatform kernels.
   - A number of cleanup series for OMAP, moving and removing some
     headers, sparse irq rework and in general preparation for
     multiplatform.
   - Final removal of all non-DT boards for Tegra, it is now
     device-tree-only!
   - Removal of a stale platform, nxp4008.  It's an old mobile chipset
     that is no longer in use, and was very likely never really used
     with a mainline kernel.  We have not been able to find anyone
     interested in keeping it around in the kernel.
   - Removal of the legacy dmaengine driver on tegra

  + A handful of other things that I haven't described above."

Fix up some conflicts with the staging tree (and because nxp4008 was
removed)

* tag 'cleanup' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (184 commits)
  ARM: OMAP2+: serial: Change MAX_HSUART_PORTS to 6
  ARM: OMAP4: twl-common: Support for additional devices on i2c1 bus
  ARM: mmp: using for_each_set_bit to simplify the code
  ARM: tegra: harmony: fix ldo7 regulator-name
  ARM: OMAP2+: Make omap4-keypad.h local
  ARM: OMAP2+: Make l4_3xxx.h local
  ARM: OMAP2+: Make l4_2xxx.h local
  ARM: OMAP2+: Make l3_3xxx.h local
  ARM: OMAP2+: Make l3_2xxx.h local
  ARM: OMAP1: Move irda.h from plat to mach
  ARM: OMAP2+: Make hdq1w.h local
  ARM: OMAP2+: Make gpmc-smsc911x.h local
  ARM: OMAP2+: Make gpmc-smc91x.h local
  ARM: OMAP1: Move flash.h from plat to mach
  ARM: OMAP2+: Make debug-devices.h local
  ARM: OMAP1: Move board-voiceblue.h from plat to mach
  ARM: OMAP1: Move board-sx1.h from plat to mach
  ARM: OMAP2+: Make omap-wakeupgen.h local
  ARM: OMAP2+: Make omap-secure.h local
  ARM: OMAP2+: Make ctrl_module_wkup_44xx.h local
  ...
2012-10-01 18:19:05 -07:00
Linus Torvalds
47061eda25 ARM: soc: non-critical bug fixes
These were submitted as bug fixes before v3.6 but not considered important
 enough to be included in it. Some of them cross over to cleanup territory
 as well, and aren't strictly bugfixes.
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Merge tag 'fixes-non-critical' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc

Pull non-critical ARM soc bug fixes from Olof Johansson:
 "These were submitted as bug fixes before v3.6 but not considered
  important enough to be included in it.  Some of them cross over to
  cleanup territory as well, and aren't strictly bugfixes."

* tag 'fixes-non-critical' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (48 commits)
  ARM: nomadik: remove NAND_NO_READRDY use
  ARM: pxa: fix return value check in pxa2xx_drv_pcmcia_probe()
  ARM: SAMSUNG: Add missing variable declaration in s3c64xx_spi1_set_platdata()
  ARM: S3C24XX: removes unnecessary semicolon
  ARM: S3C24xx: delete double assignment
  ARM: EXYNOS: fix address for EXYNOS4 MDMA1
  ARM: EXYNOS: fixed SYSMMU setup definition to mate parameter name
  ARM: ep93xx: Move ts72xx.h out of include/mach
  ARM: ep93xx: use __iomem pointers for MMIO
  ARM: msm: Fix early debug uart mapping on some memory configs
  ARM: msm: io: Change the default static iomappings to be shared
  ARM: msm: io: Remove 7x30 iomap region from 7x00
  ARM: msm: Remove call to missing FPGA init on 8660
  ARM: OMAP4: wakeupgen: remove duplicate AUXCOREBOOT* read/write
  ARM: OMAP4: wakeupgen: Fix the typo in AUXCOREBOOT register save
  dma: tegra: make data used as *of_device_id.data const
  can: mpc5xxx_can: make data used as *of_device_id.data const
  macintosh/mediabay: make data used as *of_device_id.data const
  i2c/mpc: make data used as *of_device_id.data const
  mfd/da9052: make i2c_device_id array const
  ...
2012-10-01 18:02:07 -07:00
Linus Torvalds
d9a807461f USB merge for 3.7-rc1
Here is the big USB pull request for 3.7-rc1
 
 There are lots of gadget driver changes (including copying a bunch of
 files into the drivers/staging/ccg/ directory so that the other gadget
 drivers can be fixed up properly without breaking that driver), and we
 remove the old obsolete ub.c driver from the tree.  There are also the
 usual XHCI set of updates, and other various driver changes and updates.
 We also are trying hard to remove the old dbg() macro, but the final
 bits of that removal will be coming in through the networking tree
 before we can delete it for good.
 
 All of these patches have been in the linux-next tree.
 
 Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'usb-3.6' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb

Pull USB changes from Greg Kroah-Hartman:
 "Here is the big USB pull request for 3.7-rc1

  There are lots of gadget driver changes (including copying a bunch of
  files into the drivers/staging/ccg/ directory so that the other gadget
  drivers can be fixed up properly without breaking that driver), and we
  remove the old obsolete ub.c driver from the tree.

  There are also the usual XHCI set of updates, and other various driver
  changes and updates.  We also are trying hard to remove the old dbg()
  macro, but the final bits of that removal will be coming in through
  the networking tree before we can delete it for good.

  All of these patches have been in the linux-next tree.

  Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>"

Fix up several annoying - but fairly mindless - conflicts due to the
termios structure having moved into the tty device, and often clashing
with dbg -> dev_dbg conversion.

* tag 'usb-3.6' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb: (339 commits)
  USB: ezusb: move ezusb.c from drivers/usb/serial to drivers/usb/misc
  USB: uas: fix gcc warning
  USB: uas: fix locking
  USB: Fix race condition when removing host controllers
  USB: uas: add locking
  USB: uas: fix abort
  USB: uas: remove aborted field, replace with status bit.
  USB: uas: fix task management
  USB: uas: keep track of command urbs
  xhci: Intel Panther Point BEI quirk.
  powerpc/usb: remove checking PHY_CLK_VALID for UTMI PHY
  USB: ftdi_sio: add TIAO USB Multi-Protocol Adapter (TUMPA) support
  Revert "usb : Add sysfs files to control port power."
  USB: serial: remove vizzini driver
  usb: host: xhci: Fix Null pointer dereferencing with 71c731a for non-x86 systems
  Increase XHCI suspend timeout to 16ms
  USB: ohci-at91: fix null pointer in ohci_hcd_at91_overcurrent_irq
  USB: sierra_ms: don't keep unused variable
  fsl/usb: Add support for USB controller version 2.4
  USB: qcaux: add Pantech vendor class match
  ...
2012-10-01 13:23:01 -07:00
Linus Torvalds
fdb2f9c2eb PCI changes for the 3.7 merge window:
Host bridge hotplug
     - Protect acpi_pci_drivers and acpi_pci_roots (Taku Izumi)
     - Clear host bridge resource info to avoid issue when releasing (Yinghai Lu)
     - Notify acpi_pci_drivers when hot-plugging host bridges (Jiang Liu)
     - Use standard list ops for acpi_pci_drivers (Jiang Liu)
 
   Device hotplug
     - Use pci_get_domain_bus_and_slot() to close hotplug races (Jiang Liu)
     - Remove fakephp driver (Bjorn Helgaas)
     - Fix VGA ref count in hotplug remove path (Yinghai Lu)
     - Allow acpiphp to handle PCIe ports without native hotplug (Jiang Liu)
     - Implement resume regardless of pciehp_force param (Oliver Neukum)
     - Make pci_fixup_irqs() work after init (Thierry Reding)
 
   Miscellaneous
     - Add pci_pcie_type(dev) and remove pci_dev.pcie_type (Yijing Wang)
     - Factor out PCI Express Capability accessors (Jiang Liu)
     - Add pcibios_window_alignment() so powerpc EEH can use generic resource assignment (Gavin Shan)
     - Make pci_error_handlers const (Stephen Hemminger)
     - Cleanup drivers/pci/remove.c (Bjorn Helgaas)
     - Improve Vendor-Specific Extended Capability support (Bjorn Helgaas)
     - Use standard list ops for bus->devices (Bjorn Helgaas)
     - Avoid kmalloc in pci_get_subsys() and pci_get_class() (Feng Tang)
     - Reassign invalid bus number ranges (Intel DP43BF workaround) (Yinghai Lu)
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Merge tag 'for-3.7' of git://git.kernel.org/pub/scm/linux/kernel/git/helgaas/pci

Pull PCI changes from Bjorn Helgaas:
 "Host bridge hotplug
    - Protect acpi_pci_drivers and acpi_pci_roots (Taku Izumi)
    - Clear host bridge resource info to avoid issue when releasing
      (Yinghai Lu)
    - Notify acpi_pci_drivers when hot-plugging host bridges (Jiang Liu)
    - Use standard list ops for acpi_pci_drivers (Jiang Liu)

  Device hotplug
    - Use pci_get_domain_bus_and_slot() to close hotplug races (Jiang
      Liu)
    - Remove fakephp driver (Bjorn Helgaas)
    - Fix VGA ref count in hotplug remove path (Yinghai Lu)
    - Allow acpiphp to handle PCIe ports without native hotplug (Jiang
      Liu)
    - Implement resume regardless of pciehp_force param (Oliver Neukum)
    - Make pci_fixup_irqs() work after init (Thierry Reding)

  Miscellaneous
    - Add pci_pcie_type(dev) and remove pci_dev.pcie_type (Yijing Wang)
    - Factor out PCI Express Capability accessors (Jiang Liu)
    - Add pcibios_window_alignment() so powerpc EEH can use generic
      resource assignment (Gavin Shan)
    - Make pci_error_handlers const (Stephen Hemminger)
    - Cleanup drivers/pci/remove.c (Bjorn Helgaas)
    - Improve Vendor-Specific Extended Capability support (Bjorn
      Helgaas)
    - Use standard list ops for bus->devices (Bjorn Helgaas)
    - Avoid kmalloc in pci_get_subsys() and pci_get_class() (Feng Tang)
    - Reassign invalid bus number ranges (Intel DP43BF workaround)
      (Yinghai Lu)"

* tag 'for-3.7' of git://git.kernel.org/pub/scm/linux/kernel/git/helgaas/pci: (102 commits)
  PCI: acpiphp: Handle PCIe ports without native hotplug capability
  PCI/ACPI: Use acpi_driver_data() rather than searching acpi_pci_roots
  PCI/ACPI: Protect acpi_pci_roots list with mutex
  PCI/ACPI: Use acpi_pci_root info rather than looking it up again
  PCI/ACPI: Pass acpi_pci_root to acpi_pci_drivers' add/remove interface
  PCI/ACPI: Protect acpi_pci_drivers list with mutex
  PCI/ACPI: Notify acpi_pci_drivers when hot-plugging PCI root bridges
  PCI/ACPI: Use normal list for struct acpi_pci_driver
  PCI/ACPI: Use DEVICE_ACPI_HANDLE rather than searching acpi_pci_roots
  PCI: Fix default vga ref_count
  ia64/PCI: Clear host bridge aperture struct resource
  x86/PCI: Clear host bridge aperture struct resource
  PCI: Stop all children first, before removing all children
  Revert "PCI: Use hotplug-safe pci_get_domain_bus_and_slot()"
  PCI: Provide a default pcibios_update_irq()
  PCI: Discard __init annotations for pci_fixup_irqs() and related functions
  PCI: Use correct type when freeing bus resource list
  PCI: Check P2P bridge for invalid secondary/subordinate range
  PCI: Convert "new_id"/"remove_id" into generic pci_bus driver attributes
  xen-pcifront: Use hotplug-safe pci_get_domain_bus_and_slot()
  ...
2012-10-01 12:05:36 -07:00
Olof Johansson
e3a66aa33a Merge branch 'multiplatform/platform-data' into next/multiplatform
* multiplatform/platform-data:
  ARM: spear: move platform_data definitions
  ARM: samsung: move platform_data definitions
  ARM: orion: move platform_data definitions
  ARM: nomadik: move platform_data definitions
  ARM: w90x900: move platform_data definitions
  ARM: vt8500: move platform_data definitions
  ARM: tegra: move sdhci platform_data definition
  ARM: sa1100: move platform_data definitions
  ARM: pxa: move platform_data definitions
  ARM: netx: move platform_data definitions
  ARM: msm: move platform_data definitions
  ARM: imx: move platform_data definitions
  ARM: ep93xx: move platform_data definitions
  ARM: davinci: move platform_data definitions
  ARM: at91: move platform_data definitions

Conflicts due to removed files:
	arch/arm/mach-tegra/board-harmony.c
	arch/arm/mach-tegra/board-trimslice.c

Conflicts due to code removal:
	arch/arm/mach-tegra/board-paz00.c

Context conflicts in:
	drivers/mmc/host/sdhci-tegra.c
	drivers/net/irda/pxaficp_ir.c

Signed-off-by: Olof Johansson <olof@lixom.net>
2012-09-22 01:07:21 -07:00
Olof Johansson
25468fe89f Merge branch 'multiplatform/smp_ops' into next/multiplatform
* multiplatform/smp_ops:
  ARM: consolidate pen_release instead of having per platform definitions
  ARM: smp: Make SMP operations mandatory
  ARM: SoC: convert spear13xx to SMP operations
  ARM: SoC: convert imx6q to SMP operations
  ARM: SoC: convert highbank to SMP operations
  ARM: SoC: convert shmobile SMP to SMP operations
  ARM: SoC: convert ux500 to SMP operations
  ARM: SoC: convert MSM to SMP operations
  ARM: SoC: convert Exynos4 to SMP operations
  ARM: SoC: convert Tegra to SMP operations
  ARM: SoC: convert OMAP4 to SMP operations
  ARM: SoC: convert VExpress/RealView to SMP operations
  ARM: SoC: add per-platform SMP operations

Conflicts due to file moves or removals in:
	arch/arm/mach-msm/board-msm8960.c
	arch/arm/mach-msm/board-msm8x60.c
	arch/arm/mach-tegra/board-harmony.c
	arch/arm/mach-tegra/board-trimslice.c

Conflicts due to board file cleanup:
	arch/arm/mach-tegra/board-paz00.c

Conflicts due to cpu hotplug addition:
	arch/arm/mach-tegra/hotplug.c

Signed-off-by: Olof Johansson <olof@lixom.net>
2012-09-22 00:16:04 -07:00
Olof Johansson
5ae8d15f68 Enable initial ARM multi-platform support for highbank, mvebu,
socfpga, picoxcell, and vexpress.
 
 Multi-platform support is dependent on mach/gpio.h removal and
 restructuring of DEBUG_LL and dtb build rules included in this branch.
 
 This has been built for all defconfigs, and booted on highbank with
 all 5 platforms enabled.
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Merge tag 'multi-platform-for-3.7' of git://sources.calxeda.com/kernel/linux into next/multiplatform

Enable initial ARM multi-platform support for highbank, mvebu,
socfpga, picoxcell, and vexpress.

Multi-platform support is dependent on mach/gpio.h removal and
restructuring of DEBUG_LL and dtb build rules included in this branch.

This has been built for all defconfigs, and booted on highbank with
all 5 platforms enabled.

By Rob Herring (18) and Arnd Bergmann (1)
via Rob Herring
* tag 'multi-platform-for-3.7' of git://sources.calxeda.com/kernel/linux:
  ARM: vexpress: convert to multi-platform
  ARM: initial multiplatform support
  ARM: mvebu: move armada-370-xp.h in mach dir
  ARM: vexpress: remove dependency on mach/* headers
  ARM: picoxcell: remove dependency on mach/* headers
  ARM: move all dtb targets out of Makefile.boot
  ARM: picoxcell: move debug macros to include/debug
  ARM: socfpga: move debug macros to include/debug
  ARM: mvebu: move debug macros to include/debug
  ARM: vexpress: move debug macros to include/debug
  ARM: highbank: move debug macros to include/debug
  ARM: move debug macros to common location
  ARM: make mach/gpio.h headers optional
  ARM: orion: move custom gpio functions to orion-gpio.h
  ARM: shmobile: move custom gpio functions to sh-gpio.h
  ARM: pxa: use gpio_to_irq for sharppm_sl
  net: pxaficp_ir: add irq resources
  usb: pxa27x_udc: remove IRQ_USB define
  staging: ste_rmi4: remove gpio.h include

Conflicts due to addition of bcm2835 and removal of pnx4008 in:
	arch/arm/Kconfig
	arch/arm/Makefile

Conflicts due to new dtb targets, moved to arch/arm/boot/dts/Makefile in:
	arch/arm/mach-imx/Makefile.boot
	arch/arm/mach-mxs/Makefile.boot
	arch/arm/mach-tegra/Makefile.boot

Signed-off-by: Olof Johansson <olof@lixom.net>
2012-09-20 22:54:07 -07:00
Olof Johansson
b612a85792 Merge branch 'next/soc' into next/multiplatform
* next/soc: (50 commits)
  ARM: OMAP: AM33xx hwmod: fixup SPI after platform_data move
  MAINTAINERS: add an entry for the BCM2835 ARM sub-architecture
  ARM: bcm2835: instantiate console UART
  ARM: bcm2835: add stub clock driver
  ARM: bcm2835: add system timer
  ARM: bcm2835: add interrupt controller driver
  ARM: add infra-structure for BCM2835 and Raspberry Pi
  ARM: tegra20: add CPU hotplug support
  ARM: tegra30: add CPU hotplug support
  ARM: tegra: clean up the common assembly macros into sleep.h
  ARM: tegra: replace the CPU CAR access code by tegra_cpu_car_ops
  ARM: tegra: introduce tegra_cpu_car_ops structures
  ARM: Tegra: Add smp_twd clock for Tegra20
  ARM: AM33XX: clock: Add dcan clock aliases for device-tree
  ARM: OMAP2+: dpll: Add missing soc_is_am33xx() check for common functions
  ARM: OMAP: omap_device: idle devices with no driver bound
  ARM: OMAP: omap_device: don't attempt late suspend if no driver bound
  ARM: OMAP: omap_device: keep track of driver bound status
  ARM: OMAP3+: hwmod: Add AM33XX HWMOD data
  ARM: OMAP2+: hwmod: Hook-up am33xx support in omap_hwmod framework
  ...

Change/remove conflict in arch/arm/mach-ux500/clock.c resolved.

Signed-off-by: Olof Johansson <olof@lixom.net>
2012-09-20 21:27:41 -07:00
Olof Johansson
ea832c41da Merge branch 'next/dt' into next/multiplatform
* next/dt: (182 commits)
  ARM: tegra: Add Avionic Design Tamonten Evaluation Carrier support
  ARM: tegra: Add Avionic Design Medcom-Wide support
  ARM: tegra: Add Avionic Design Plutux support
  ARM: tegra: Add Avionic Design Tamonten support
  ARM: tegra: dts: Add pwm label
  ARM: dt: tegra: whistler: configure power off
  ARM: mxs: m28evk: Disable OCOTP OUI loading
  ARM: imx6q: use pll2_pfd2_396m as the enfc_sel's parent
  ARM: dts: imx6q-sabrelite: add usbotg pinctrl support
  ARM: dts: imx23-olinuxino: Add USB host support
  ARM: dts: imx6q-sabrelite: add usbmisc device
  ARM: dts: mx23: Add USB resources
  ARM: dts: mxs: Add ethernetX to macX aliases
  ARM: msm: Remove non-DT targets from 8960
  ARM: msm: Add DT support for 8960
  ARM: msm: Move io mapping prototypes to common.h
  ARM: msm: Rename board-msm8x60 to signify its DT only status
  ARM: msm: Make 8660 a DT only target
  ARM: msm: Move 8660 to DT timer
  ARM: msm: Add DT support to msm_timer
  ...
2012-09-20 21:16:43 -07:00
Olof Johansson
32dec75349 ARM: tegra: switch to dmaengine
The Tegra code-base has contained both a legacy DMA and a dmaengine
 driver since v3.6-rcX. This series flips Tegra's defconfig to enable
 dmaengine rather than the legacy driver, and removes the legacy driver
 and all client code.
 
 The branch is based on v3.6-rc6 in order to pick up a bug-fix to the
 ASoC Tegra PCM driver that's required for audio to work correctly when
 using dmaengine.
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Merge tag 'tegra-for-3.7-dmaengine' of git://git.kernel.org/pub/scm/linux/kernel/git/swarren/linux-tegra into next/cleanup

ARM: tegra: switch to dmaengine

The Tegra code-base has contained both a legacy DMA and a dmaengine
driver since v3.6-rcX. This series flips Tegra's defconfig to enable
dmaengine rather than the legacy driver, and removes the legacy driver
and all client code.

* tag 'tegra-for-3.7-dmaengine' of git://git.kernel.org/pub/scm/linux/kernel/git/swarren/linux-tegra:
  ASoC: tegra: remove support of legacy DMA driver based access
  spi: tegra: remove support of legacy DMA driver based access
  ARM: tegra: apbio: remove support of legacy DMA driver based access
  ARM: tegra: dma: remove legacy APB DMA driver
  ARM: tegra: config: enable dmaengine based APB DMA driver
  + sync to 3.6-rc6
2012-09-20 19:57:38 -07:00
Thierry Reding
175f16fa38 ARM: tegra: Add Avionic Design Tamonten Evaluation Carrier support
The Tamonten Evaluation Carrier is an evaluation board for the Tamonten
SOM. More information is available here:

	http://www.avionic-design.de/en/products/nvidia-tegra-tamonten-system-en/nvidia-tegra-tamonten-evboard-en.html

Signed-off-by: Thierry Reding <thierry.reding@avionic-design.de>
Signed-off-by: Stephen Warren <swarren@nvidia.com>
2012-09-20 09:34:01 -06:00
Thierry Reding
731fb450ae ARM: tegra: Add Avionic Design Medcom-Wide support
The Medcom is a 16:9 15" terminal that is used for patient infotainment
in hospitals.

Signed-off-by: Thierry Reding <thierry.reding@avionic-design.de>
Signed-off-by: Stephen Warren <swarren@nvidia.com>
2012-09-20 09:34:00 -06:00
Thierry Reding
a3ee1293b1 ARM: tegra: Add Avionic Design Plutux support
The Plutux is a set-top box device based on the Tamonten SOM and can be
connected to a display via HDMI.

Signed-off-by: Thierry Reding <thierry.reding@avionic-design.de>
Signed-off-by: Stephen Warren <swarren@nvidia.com>
2012-09-20 09:34:00 -06:00
Stephen Warren
e6bc59330e dma: tegra: move smmu.h into SMMU driver
There's no need to place these defines into arch/arm/mach-tegra/include/.
Move them into the SMMU driver to clean up mach-tegra, as a pre-requisite
for single-zImage.

Signed-off-by: Stephen Warren <swarren@nvidia.com>
Cc: Hiroshi Doyu <hdoyu@nvidia.com>
Acked-by: Hiroshi Doyu <hdoyu@nvidia.com>
Signed-off-by: Joerg Roedel <joerg.roedel@amd.com>
2012-09-18 12:40:57 +02:00
Laxman Dewangan
6a2473c51a ARM: tegra: apbio: remove support of legacy DMA driver based access
Remove the support code which uses the legacy APB DMA driver
for accessing the apbio register.
The driver will use the dmaengine based APB DMA driver for
accessing apbio register.

Signed-off-by: Laxman Dewangan <ldewangan@nvidia.com>
Signed-off-by: Stephen Warren <swarren@nvidia.com>
2012-09-17 09:34:02 -06:00
Laxman Dewangan
b4c2696798 ARM: tegra: dma: remove legacy APB DMA driver
Remove the legacy APB dma driver. The APB DMA support
is moved to dmaengine based Tegra APB DMA driver.
All clients are also moved to dmaengine based APB DMA
driver.

Signed-off-by: Laxman Dewangan <ldewangan@nvidia.com>
Signed-off-by: Stephen Warren <swarren@nvidia.com>
2012-09-17 09:34:02 -06:00
Olof Johansson
cccc277ba8 ARM: tegra: implement CPU hotplug
This branch implements CPU hot-plugging support for both Tegra20 and
 Tegra30. Portions of the implementation are contained in the clock
 driver, hence this branch is based on the common clock conversion in
 order to avoid duplicating work.
 
 This branch is based on previous pull request tegra-for-3.7-common-clk.
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Merge tag 'tegra-for-3.7-cpu-hotplug' of git://git.kernel.org/pub/scm/linux/kernel/git/swarren/linux-tegra into next/soc

From Stephen Warren:

ARM: tegra: implement CPU hotplug

This branch implements CPU hot-plugging support for both Tegra20 and
Tegra30. Portions of the implementation are contained in the clock
driver, hence this branch is based on the common clock conversion in
order to avoid duplicating work.

By Joseph Lo
via Stephen Warren
* tag 'tegra-for-3.7-cpu-hotplug' of git://git.kernel.org/pub/scm/linux/kernel/git/swarren/linux-tegra:
  ARM: tegra20: add CPU hotplug support
  ARM: tegra30: add CPU hotplug support
  ARM: tegra: clean up the common assembly macros into sleep.h
  ARM: tegra: replace the CPU CAR access code by tegra_cpu_car_ops
  ARM: tegra: introduce tegra_cpu_car_ops structures
2012-09-16 18:33:23 -07:00
Olof Johansson
ea2abb670b ARM: tegra: switch to the common clock framework
This branch contains a few bug-fixes, followed by a conversion of Tegra's
 clock driver to the common clock framework, followed by various bug fixes
 found after the conversion.
 
 This branch depends on v3.6-rc4.
 
 This branch is a dependency for a few later pull requests.
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Merge tag 'tegra-for-3.7-common-clk' of git://git.kernel.org/pub/scm/linux/kernel/git/swarren/linux-tegra into next/soc

From Stephen Warren:

ARM: tegra: switch to the common clock framework

This branch contains a few bug-fixes, followed by a conversion of Tegra's
clock driver to the common clock framework, followed by various bug fixes
found after the conversion.

* tag 'tegra-for-3.7-common-clk' of git://git.kernel.org/pub/scm/linux/kernel/git/swarren/linux-tegra:
  ARM: Tegra: Add smp_twd clock for Tegra20
  ARM: tegra: cpu-tegra: explicitly manage re-parenting
  ARM: tegra: fix overflow in tegra20_pll_clk_round_rate()
  ARM: tegra: Fix data type for io address
  ARM: tegra: remove tegra_timer from tegra_list_clks
  ARM: tegra30: clocks: fix the wrong tegra_audio_sync_clk_ops name
  ARM: tegra: clocks: separate tegra_clk_32k_ops from Tegra20 and Tegra30
  ARM: tegra: Remove duplicate code
  ARM: tegra: Port tegra to generic clock framework
  ARM: tegra: Add clk_tegra structure and helper functions
  ARM: tegra: Rename tegra20 clock file
  ARM: tegra20: Separate out clk ops and clk data
  ARM: tegra30: Separate out clk ops and clk data
  ARM: tegra: fix U16 divider range check
  ARM: tegra: turn on UART A clock at boot
2012-09-16 18:25:15 -07:00
Olof Johansson
afdeeccbb7 ARM: tegra: remove board files
This branch removes all remaining board files for Tegra; booting is
 now through device tree only.
 
 Related, the Harmony DT is augmented with regulators, since this allows
 removal of board-harmony-power.c; no other boards had regulator support.
 This change depends on an enhancement to the TPS6586x regulator driver,
 hence the dependency mentioned below.
 
 This branch is based on v3.6-rc4, followed by a merge of
 git://git.kernel.org/pub/scm/linux/kernel/git/broonie/regulator.git tps6589x-dt
 
 This branch is a dependency the cleanup2 branch.
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Merge tag 'tegra-for-3.7-board-removal' of git://git.kernel.org/pub/scm/linux/kernel/git/swarren/linux-tegra into next/cleanup

From Stephen Warren:

ARM: tegra: remove board files

This branch removes all remaining board files for Tegra; booting is
now through device tree only.

Related, the Harmony DT is augmented with regulators, since this allows
removal of board-harmony-power.c; no other boards had regulator support.
This change depends on an enhancement to the TPS6586x regulator driver,
hence the dependency mentioned below.

* tag 'tegra-for-3.7-board-removal' of git://git.kernel.org/pub/scm/linux/kernel/git/swarren/linux-tegra:
  ARM: dt: tegra: harmony: configure power off
  ARM: dt: tegra: harmony: add regulators
  ARM: tegra: remove board (but not DT) support for Harmony
  ARM: tegra: remove board (but not DT) support for Paz00
  ARM: tegra: remove board (but not DT) support for TrimSlice
2012-09-16 18:24:19 -07:00
Olof Johansson
d6530016ed Merge branch 'depends/tps6589x-dt' into next/cleanup
Pull in a dependent branch from Mark Brown's regulator tree for the tegra/cleanup branch.

* depends/tps6589x-dt:
  regulator: tps6586x: add support for SYS rail
2012-09-16 18:23:48 -07:00
Olof Johansson
0968d01827 ARM: tegra: first round of cleanup
This branch contains a few early cleanups; consistent use of IO_ADDRESS,
 always selecting USE_OF since we're converting to device-tree-only this
 merge window, and removing includes of some header files as part of
 working towards single zImage.
 
 This branch is based on v3.6-rc4.
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Merge tag 'tegra-for-3.7-cleanup' of git://git.kernel.org/pub/scm/linux/kernel/git/swarren/linux-tegra into next/cleanup

From Stephen Warren:

This branch contains a few early cleanups; consistent use of IO_ADDRESS,
always selecting USE_OF since we're converting to device-tree-only this
merge window, and removing includes of some header files as part of
working towards single zImage.

* tag 'tegra-for-3.7-cleanup' of git://git.kernel.org/pub/scm/linux/kernel/git/swarren/linux-tegra:
  mmc: tegra: remove useless include of <mach/*.h>
  gpio: tegra: remove useless includes of <mach/*.h>
  ARM: tegra: remove duplicate select USE_OF
  ARM: tegra: use IO_ADDRESS for getting virtual address
2012-09-16 18:15:35 -07:00
Stephen Warren
3b2f941296 pinctrl: tegra: move pinconf-tegra.h content into drivers/pinctrl
Now that Tegra's pinmux is configured solely from device tree, there's
no need for the pinconf types to be defined in arch/arm/mach-tegra/.
Move it into the pinctrl directory to clean up mach-tegra, as a pre-
requisite for single-zImage.

Signed-off-by: Stephen Warren <swarren@nvidia.com>
Acked-by: Linus Walleij <linus.walleij@linaro.org>
2012-09-14 11:35:37 -06:00
Stephen Warren
f75b236d66 ARM: tegra: delete unused headers
Nothing includes these headers any more; remove them.

Signed-off-by: Stephen Warren <swarren@nvidia.com>
2012-09-14 11:35:36 -06:00
Stephen Warren
7ff95aeb01 ARM: tegra: remove useless includes of <mach/*.h>
Nothing from these files is needed, so remove the includes. This helps
single zImage work by reducing use of the mach-tegra/include/mach/
directory.

Signed-off-by: Stephen Warren <swarren@nvidia.com>
2012-09-14 11:35:36 -06:00
Stephen Warren
bab53ce38e ARM: tegra: remove dead code
Now that all boards are converted to device tree, devices.[ch] and
board-pinmux.[ch] are no longer used. So, remove them.

The only exception is the EHCI platform data in devices.h. Move that
data to board-dt-tegra20.c - the only places it's used.

Signed-off-by: Stephen Warren <swarren@nvidia.com>
2012-09-14 11:35:36 -06:00
Stephen Warren
fef40b2369 Merge commit 'xceiv-for-v3.7' into for-3.7/cleanup2 2012-09-14 11:35:16 -06:00
Stephen Warren
f49540d1d7 Merge branch 'for-3.7/common-clk' into for-3.7/cleanup2 2012-09-14 11:34:53 -06:00
Stephen Warren
1f10478cab Merge branch 'for-3.7/board-removal' into for-3.7/cleanup2 2012-09-14 11:34:47 -06:00