Tegra20 clock table have the entry for clock (tegra_i2c.x, "i2c")
which is no more require as driver acquire clock with name of
"div-clk" and "fast-clk".
Remove these entries from table.
Signed-off-by: Laxman Dewangan <ldewangan@nvidia.com>
Signed-off-by: Stephen Warren <swarren@nvidia.com>
Add connection name "div-clk" for the i2c clock entry.
Signed-off-by: Laxman Dewangan <ldewangan@nvidia.com>
Signed-off-by: Stephen Warren <swarren@nvidia.com>
Tegra's i2c controller require two clock sources named as
div-clk and fast-clk for proper operation.
Currently, the entry of fast-clk is missing in tegra30
clock table and it is incorrectly named in the tegra20
clock table.
Adds aliases to enable lookups for "fast-clk" to succeed.
A later patch will remove the incorrectly named clock,
once the driver is modified to use the new name.
Signed-off-by: Laxman Dewangan <ldewangan@nvidia.com>
Signed-off-by: Stephen Warren <swarren@nvidia.com>
Clockevent's frequency is changed upon cpufreq change
notification. It fetches local timer's rate to update the
clockevent frequency. This patch adds local timer clock
for Tegra20.
Signed-off-by: Prashant Gaikwad <pgaikwad@nvidia.com>
Signed-off-by: Stephen Warren <swarren@nvidia.com>
* commit 'v3.6-rc5': (1098 commits)
Linux 3.6-rc5
HID: tpkbd: work even if the new Lenovo Keyboard driver is not configured
Remove user-triggerable BUG from mpol_to_str
xen/pciback: Fix proper FLR steps.
uml: fix compile error in deliver_alarm()
dj: memory scribble in logi_dj
Fix order of arguments to compat_put_time[spec|val]
xen: Use correct masking in xen_swiotlb_alloc_coherent.
xen: fix logical error in tlb flushing
xen/p2m: Fix one-off error in checking the P2M tree directory.
powerpc: Don't use __put_user() in patch_instruction
powerpc: Make sure IPI handlers see data written by IPI senders
powerpc: Restore correct DSCR in context switch
powerpc: Fix DSCR inheritance in copy_thread()
powerpc: Keep thread.dscr and thread.dscr_inherit in sync
powerpc: Update DSCR on all CPUs when writing sysfs dscr_default
powerpc/powernv: Always go into nap mode when CPU is offline
powerpc: Give hypervisor decrementer interrupts their own handler
powerpc/vphn: Fix arch_update_cpu_topology() return value
ARM: gemini: fix the gemini build
...
Conflicts:
drivers/net/ethernet/broadcom/bnx2x/bnx2x_main.c
drivers/rapidio/devices/tsi721.c
Convert Tegra to use struct smp_operations to provide its SMP
and CPU hotplug operations.
Tested on Harmony.
Signed-off-by: Marc Zyngier <marc.zyngier@arm.com>
Acked-by: Stephen Warren <swarren@nvidia.com>
Acked-by: Olof Johansson <olof@lixom.net>
Acked-by: Nicolas Pitre <nico@linaro.org>
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
nop xceiv got its own header to avoid polluting otg.h. It has also
learned to work as USB2 and USB3 phys so we can use it on USB3
controllers.
Together with those two changes to nop xceiv, we're adding basic
PHY support to dwc3 driver, this is to allow platforms which actually
have a SW-controllable PHY talk to them through dwc3 driver.
We're adding a new phy driver for the OMAP architecture. This driver
is for the PHY found in OMAP4 SoCs, and a new phy driver for the
marvell architecture. An extra phy driver - for Tegra SoCs - is now
moving from arch/arm/mach-tegra* to drivers/usb/phy.
Also here, there's the creation of <linux/usb/phy.h> which should be
used from now on for PHY drivers, even those which don't support
OTG.
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Merge tag 'xceiv-for-v3.7' of git://git.kernel.org/pub/scm/linux/kernel/git/balbi/usb into usb-next
usb: xceiv: patches for v3.7 merge window
nop xceiv got its own header to avoid polluting otg.h. It has also
learned to work as USB2 and USB3 phys so we can use it on USB3
controllers.
Together with those two changes to nop xceiv, we're adding basic
PHY support to dwc3 driver, this is to allow platforms which actually
have a SW-controllable PHY talk to them through dwc3 driver.
We're adding a new phy driver for the OMAP architecture. This driver
is for the PHY found in OMAP4 SoCs, and a new phy driver for the
marvell architecture. An extra phy driver - for Tegra SoCs - is now
moving from arch/arm/mach-tegra* to drivers/usb/phy.
Also here, there's the creation of <linux/usb/phy.h> which should be
used from now on for PHY drivers, even those which don't support
OTG.
When changing a PLL's rate, it must have no active children. The CPU
clock cannot be stopped, and CPU clock's divider is not used. The old
clock driver used to handle this by internally reparenting the CPU clock
onto a different PLL when changing the CPU clock rate. However, the new
common-clock based clock driver does not do this, and probably cannot do
this due to the locking issues it would cause.
To solve this, have the Tegra cpufreq driver explicitly perform the
reparenting operations itself. This is probably reasonable anyway,
since such reparenting is somewhat a matter of policy (e.g. which
alternate clock source to use, whether to leave the CPU clock a child
of the alternate clock source if it's running at the desired rate),
and hence is something more appropriate for the cpufreq driver than
the core clock driver anyway.
Cc: Prashant Gaikwad <pgaikwad@nvidia.com>
Cc: Peter De Schrijver <pdeschrijver@nvidia.com>
Signed-off-by: Stephen Warren <swarren@nvidia.com>
32-bit math isn't enough when e.g. *prate=12000000, and sel->n=1000.
Use 64-bit math to prevent this.
Cc: Prashant Gaikwad <pgaikwad@nvidia.com>
Signed-off-by: Stephen Warren <swarren@nvidia.com>
Warnings were generated because following commit changed data type for
address pointer
195bbca ARM: 7500/1: io: avoid writeback addressing modes for __raw_ accessors
arch/arm/mach-tegra/tegra30_clocks.c: In function 'clk_measure_input_freq':
arch/arm/mach-tegra/tegra30_clocks.c:418:2: warning: passing argument 2 of '__raw_writel' makes pointer from integer without a cast
.../arch/arm/include/asm/io.h:88:20: note: expected 'volatile void *' but argument is of type 'unsigned int
Signed-off-by: Prashant Gaikwad <pgaikwad@nvidia.com>
Signed-off-by: Stephen Warren <swarren@nvidia.com>
Tegra30 has more powerdomains than Tegra20. The debugfs code did not take this
into account.
Signed-off-by: Peter De Schrijver <pdeschrijver@nvidia.com>
Signed-off-by: Stephen Warren <swarren@nvidia.com>
tegra_powergate_debugfs_init() always returns -ENOMEM. It shouldn't do that
when registering the debugfs entry succeeded.
Signed-off-by: Peter De Schrijver <pdeschrijver@nvidia.com>
Signed-off-by: Stephen Warren <swarren@nvidia.com>
There is multiple version of cardhu starting from A01 to A07.
Cardhu A01 and A03 are not supported. Cardhu A02 will have
different sets of GPIOs for fixed regulator compare to
cardhu A04. The Cardhu A05, A06, A07 are compatibe with A04.
Based on cardhu version, the related dts file need to be chosen
like for cardhu A02, use tegra30-cardhu-a02.dts, cardhu A04 and
more, use tegra30-cardhu-a04.dts.
This patch create the DTS file A02 and A04 and convert tegra30-cardhu.dts
as dts include file.
Signed-off-by: Laxman Dewangan <ldewangan@nvidia.com>
Signed-off-by: Stephen Warren <swarren@nvidia.com>
tegra_time is a struct sys_timer, not a struct clk, so can't be included
in an array of struct clk *.
Signed-off-by: Stephen Warren <swarren@nvidia.com>
It should use tegra30_audio_sync_clk_ops for tegra30. It will cause
the tegra30 use the wrong audio_sync_clk_ops when build a kernel with
a tegra20 and tegra30 both supported kernel. And building error when
a tegra30-only kernel.
Signed-off-by: Joseph Lo <josephl@nvidia.com>
Signed-off-by: Stephen Warren <swarren@nvidia.com>
Currently the tegra20 and tegra30 share the same symbol for
tegra_clk_32k_ops. This will cause a compile error when building
a tegra20-only kernel image. Add tegra_clk_32k_ops for tegra20 and
modify tegra30_clk_32k_ops for tegra30.
Signed-off-by: Joseph Lo <josephl@nvidia.com>
Signed-off-by: Stephen Warren <swarren@nvidia.com>
This patch converts tegra clock code to generic clock framework in following way:
- Implement clk_ops as required by generic clk framework. (tegraXX_clocks.c)
- Use platform specific struct clk_tegra in clk_ops implementation instead of struct clk.
- Initialize all clock data statically. (tegraXX_clocks_data.c)
Legacy framework did not have recalc_rate and is_enabled functions. Implemented these functions.
Removed init function. It's functionality is splitted into recalc_rate and is_enabled.
Static initialization is used since slab is not up in .init_early and clock
is needed to be initialized before clockevent/clocksource initialization.
Macros redefined for clk_tegra.
Also, single struct clk_tegra is used for all type of clocks (PLL, peripheral etc.). This
is to move quickly to generic common clock framework so that other dependent features will
not be blocked (such as DT binding).
Enabling COMMON_CLOCK config moved to ARCH_TEGRA since it is enabled for both Tegra20
and Tegra30.
Signed-off-by: Prashant Gaikwad <pgaikwad@nvidia.com>
Signed-off-by: Stephen Warren <swarren@nvidia.com>
Add Tegra platform specific clock structure clk_tegra and
some helper functions for generic clock framework.
struct clk_tegra is the single strcture used for all types of
clocks. reset and cfg_ex ops moved to clk_tegra from clk_ops.
Signed-off-by: Prashant Gaikwad <pgaikwad@nvidia.com>
Signed-off-by: Stephen Warren <swarren@nvidia.com>
Make the name consistent with other files.
s/tegra2/tegra20
Signed-off-by: Prashant Gaikwad <pgaikwad@nvidia.com>
Signed-off-by: Stephen Warren <swarren@nvidia.com>
Move clock initialization data to separate file. This is
required for migrating to generic clock framework if static
initialization is used.
Signed-off-by: Prashant Gaikwad <pgaikwad@nvidia.com>
Signed-off-by: Stephen Warren <swarren@nvidia.com>
Move clock initialization data to separate file. This is
required for migrating to generic clock framework if static
initialization is used.
Signed-off-by: Prashant Gaikwad <pgaikwad@nvidia.com>
Signed-off-by: Stephen Warren <swarren@nvidia.com>
A U16 divider can divide a clock by 1..64K. However, the range-check
in clk_div16_get_divider() limited the range to 1..256. Fix this. NVIDIA's
downstream kernels already have the fixed range-check.
In practice this is a problem on Whistler's I2C bus, which uses a bus
clock rate of 100KHz (rather than the more common 400KHz on Tegra boards),
which requires a HW module clock of 8*100KHz. The parent clock is 216MHz,
leading to a desired divider of 270. Prior to conversion to the common
clock framework, this range error was somehow ignored/irrelevant and
caused no problems. However, the common clock framework evidently has
more rigorous error-checking, so this failure causes the I2C bus to fail
to operate correctly.
Signed-off-by: Stephen Warren <swarren@nvidia.com>
Some boards use UART D for the main serial console, and some use UART A.
UART D's clock is listed in board-dt-tegra20.c's clock table, whereas
UART A's clock is not. This causes the clock code to think UART A's
clock is unsed. The common clock framework turns off unused clocks at
boot time. This makes the kernel appear to hang. Add UART A's clock into
the clock table to prevent this. Eventually, this requirement should be
handled by the UART driver, and/or properties in a board-specific device
tree file.
Signed-off-by: Stephen Warren <swarren@nvidia.com>
ARCH_TEGRA (arch/arm/Kconfig) now selects USE_OF, so there's not need
for ARCH_TEGRA_3x_SOC to do so too.
Signed-off-by: Stephen Warren <swarren@nvidia.com>
Use macro IO_ADDRESS for getting virtual address of
corresponding physical address to make the consistency
with rest of Tegra code-base.
This macro calls the IO_TO_VIRT() which is defined in
arch/arm/mach-tegra/include/mach/iomap.h
Signed-off-by: Laxman Dewangan <ldewangan@nvidia.com>
Signed-off-by: Stephen Warren <swarren@nvidia.com>
Device have SYS rail which is always ON. It is system power bus. LDO5
and LDO_RTC get powered through this rail internally. Add support for
this rail and make the LDO5/LDO_RTC supply by it. Update document
accordingly.
[swarren: Instantiate the sys regulator from board-harmony-power.c to
avoid regression.]
Signed-off-by: Laxman Dewangan <ldewangan@nvidia.com>
Signed-off-by: Stephen Warren <swarren@nvidia.com>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Move the Tegra+WM8903 ASoC platform data header out of
arch/arm/mach-tegra, as a pre-requisite of single zImage.
Signed-off-by: Stephen Warren <swarren@nvidia.com>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
As part of this patch:
1. Moved existing tegra phy driver to drivers/USB directory.
2. Added standard USB phy driver APIs to tegra phy driver.
Signed-off-by: Venu Byravarasu <vbyravarasu@nvidia.com>
Tested-by: Stephen Warren <swarren@nvidia.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
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Merge tag 'v3.6-rc4' into next
Linux 3.6-rc4
# gpg: Signature made Sat 01 Sep 2012 10:40:33 AM PDT using RSA key ID 00411886
# gpg: Good signature from "Linus Torvalds <torvalds@linux-foundation.org>"
Move the Tegra KBC platform data header out of arch/arm/mach-tegra, as
a pre-requisite of single zImage.
Signed-off-by: Stephen Warren <swarren@nvidia.com>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
big.LITTLE support in the future. The separation of CPU and PMU code
is also the start of being able to move some of this stuff under
drivers/.
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Merge tag 'arm-perf-3.7' of git://git.kernel.org/pub/scm/linux/kernel/git/will/linux into next/cleanup
From Will Deacon:
Bunch of perf updates for the ARM backend that pave the way for
big.LITTLE support in the future. The separation of CPU and PMU code
is also the start of being able to move some of this stuff under
drivers/.
* tag 'arm-perf-3.7' of git://git.kernel.org/pub/scm/linux/kernel/git/will/linux:
ARM: perf: move irq registration into pmu implementation
ARM: perf: move CPU-specific PMU handling code into separate file
ARM: perf: prepare for moving CPU PMU code into separate file
ARM: perf: probe devicetree in preference to current CPU
ARM: perf: remove mysterious compiler barrier
ARM: pmu: remove arm_pmu_type enumeration
ARM: pmu: remove unused reservation mechanism
ARM: perf: add devicetree bindings for 11MPcore, A5, A7 and A15 PMUs
ARM: PMU: Add runtime PM Support
As Stephen Rothwell reports, a849088aa1 ("ARM: Fix ioremap() of
address zero") from the arm-current tree and commit c279443709 ("ARM:
Add fixed PCI i/o mapping") from the arm-soc tree conflict in
a nontrivial way in arch/arm/mm/mmu.c.
Rob Herring explains:
The PCI i/o reserved area has a dummy physical address of 0 and
needs to be skipped by ioremap searches. So we don't set
VM_ARM_STATIC_MAPPING to prevent matches by ioremap. The vm_struct
settings don't really matter when we do the real mapping of the
i/o space.
Since commit a849088aa1 is at the start of the fixes branch
in the arm tree, we can merge it into the branch that contains
the other ioremap changes.
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Cc: Rob Herring <rob.herring@calxeda.com>
Cc: Russell King <rmk+kernel@arm.linux.org.uk>
Use PCI Express Capability access functions to simplify ARM PCIe code.
Signed-off-by: Jiang Liu <jiang.liu@huawei.com>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Acked-by: Stephen Warren <swarren@wwwdotorg.org>
The arm_pmu_type enumeration was initially introduced to identify
different PMU types in the system, the usual one being that on the CPU
(ARM_PMU_DEVICE_CPU). With the removal of the PMU reservation code and
the introduction of devicetree bindings for the CPU PMU, the enumeration
is no longer required.
This patch removes the enumeration and updates the various CPU PMU
platform devices so that they no longer pass an .id field referring
to identify the PMU type.
Cc: Haojian Zhuang <haojian.zhuang@gmail.com>
Cc: Olof Johansson <olof@lixom.net>
Cc: Pawel Moll <pawel.moll@arm.com>
Acked-by: Jon Hunter <jon-hunter@ti.com>
Acked-by: Kukjin Kim <kgene.kim@samsung.com>
Acked-by: Linus Walleij <linus.walleij@linaro.org>
Acked-by: Jiandong Zheng <jdzheng@broadcom.com>
Signed-off-by: Sudeep KarkadaNagesha <Sudeep.KarkadaNagesha@arm.com>
[will: cosmetic edits and actual removal of the enum type]
Signed-off-by: Will Deacon <will.deacon@arm.com>
Commit 3d55c29 "ARM: tegra: harmony: add regulator supply name and its
input supply" was supposed to fix all the problems with regulators on
Harmony. However, it appears that I only tested it when booting using
board files, not when booting using device tree. This change fixes two
problems with regulators when booting using device tree:
1) That patch only created the vdd_sys regulator when booting using a
board file. Since this is the root of the whole regulator tree, this
caused no regulators to successfully initialize when booting using
device tree. The registration of vdd_sys is moved to fix this.
2) When booting use DT, the regulator core sets has_full_constraints,
which in turn causes the core to turn off any regulators not marked
as always on. Some of the affected regulators are required for basic
system operation. To solve this, add always on constraints to all
relevant regulators. This doesn't affect booting using a board file
since nothing sets has_full_constraints in that case.
Signed-off-by: Stephen Warren <swarren@nvidia.com>
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Pull PWM subsystem from Thierry Reding:
"The new PWM subsystem aims at collecting all implementations of the
legacy PWM API and to eventually replace it completely.
The subsystem has been in development for over half a year now and
many drivers have already been converted. It has been in linux-next
for a couple of weeks and there have been no major issues so I think
it is ready for inclusion in your tree."
Arnd Bergmann <arnd@arndb.de>:
"Very much Ack on the new subsystem. It uses the interface
declarations as the previously separate pwm drivers, so nothing
changes for now in the drivers using it, although it enables us to
change those more easily in the future if we want to.
This work is also one of the missing pieces that are required to
eventually build ARM kernels for multiple platforms, which is
currently prohibited (amongs other things) by the fact that you cannot
have more than one driver exporting the pwm functions."
Tested-and-acked-by: Alexandre Courbot <acourbot@nvidia.com>
Acked-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Acked-by: Philip, Avinash <avinashphilip@ti.com> # TI's AM33xx platforms
Acked-By: Alexandre Pereira da Silva <aletes.xgr@gmail.com> # LPC32XX
Acked-by: Arnd Bergmann <arnd@arndb.de>
Acked-by: Sachin Kamat <sachin.kamat@linaro.org>
Fix up trivial conflicts with other cleanups and DT updates.
* 'for-3.6' of git://gitorious.org/linux-pwm/linux-pwm: (36 commits)
pwm: pwm-tiehrpwm: PWM driver support for EHRPWM
pwm: pwm-tiecap: PWM driver support for ECAP APWM
pwm: fix used-uninitialized warning in pwm_get()
pwm: add lpc32xx PWM support
pwm_backlight: pass correct brightness to callback
pwm: Use pr_* functions in pwm-samsung.c file
pwm: Convert pwm-samsung to use devm_* APIs
pwm: Convert pwm-tegra to use devm_clk_get()
pwm: pwm-mxs: Return proper error if pwmchip_remove() fails
pwm: pwm-bfin: Return proper error if pwmchip_remove() fails
pwm: pxa: Propagate pwmchip_remove() error
pwm: Convert pwm-pxa to use devm_* APIs
pwm: Convert pwm-vt8500 to use devm_* APIs
pwm: Convert pwm-imx to use devm_* APIs
pwm: Conflict with legacy PWM API
pwm: pwm-mxs: add pinctrl support
pwm: pwm-mxs: use devm_* managed functions
pwm: pwm-mxs: use global reset function stmp_reset_block
pwm: pwm-mxs: encode soc name in compatible string
pwm: Take over maintainership of the PWM subsystem
...
Move tegra PCI to fixed i/o mapping and remove io.h.
Signed-off-by: Rob Herring <rob.herring@calxeda.com>
Cc: Colin Cross <ccross@android.com>
Cc: Olof Johansson <olof@lixom.net>
Acked-by: Stephen Warren <swarren@nvidia.com>
Reviewed-by: Arnd Bergmann <arnd@arndb.de>
Name the regulator as per board schematics and adds its
supply name info in regulator data.
Add the always on fixed regulator to refer the battery supply.
Use this fixed regulator for input supply of some of PMIC
regulator
This patch was originally part of a 2-patch series. Patch 2 got applied
to the regulator tree as 7c7fac3 "regulator: tps6586x: add support for
input supply" without this patch. This broke regulator support on
Harmony.
Signed-off-by: Laxman Dewangan <ldewangan@nvidia.com>
[swarren: added dependency info to commit description]
Signed-off-by: Stephen Warren <swarren@nvidia.com>
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Clock support is moving to the clk subsystem. These tegra, omap and imx
changes are for code that is still platform specific and not (yet)
part of that subsystem.
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Merge tag 'clk' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc
Pull arm-soc clk changes from Arnd Bergmann:
"Clock support is moving to the clk subsystem. These tegra, omap and
imx changes are for code that is still platform specific and not (yet)
part of that subsystem."
Fix up conflicts in arch/arm/mach-{imx/clk-imx51-imx53.c,omap2/Makefile}
* tag 'clk' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (23 commits)
ARM: imx: clk-imx31: Fix clock id for rnga driver
ARM: imx: add missing item to the list of clock event modes
ARM: i.MX5x CSPI: Fixed clock name for CSPI
ARM: i.MX5x clocks: Fix GPT clocks
ARM: i.MX5x clocks: Fix parent for PWM clocks
ARM: i.MX5x clocks: Add EPIT support
ARM: mx27: Reenable silicon version print
ARM: clk-imx27: Fix rtc clock id
ARM: tegra: Provide clock for only one PWM controller
ARM: tegra: Fix PWM clock programming
ARM: OMAP3+: clock33xx: Add AM33XX clock tree data
ARM: OMAP3+: clock: Move common clksel_rate & clock data to common file
ARM: tegra: dma: rename driver name for clock to "tegra-apbdma"
ARM: tegra: Remove second instance of uart clk
crypto: add clk_prepare/clk_unprepare
ASoC: tegra: add clk_prepare/clk_unprepare
staging: nvec: add clk_prepare/clk_unprepare
spi/tegra: add clk_prepare/clk_unprepare
Input: tegra-kbc - add clk_prepare/clk_unprepare
USB: ehci-tegra: add clk_prepare/clk_unprepare
...
These changes are all for individual board files. In the long run, those
files will largely go away, and the amount of changes appears to be
continuously decreasing, which is a good sign. This time around, changes
are focused on tegra, omap and samsung.
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Merge tag 'boards' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc
Pull arm-soc board specific updates from Arnd Bergmann:
"These changes are all for individual board files. In the long run,
those files will largely go away, and the amount of changes appears to
be continuously decreasing, which is a good sign. This time around,
changes are focused on tegra, omap and samsung."
Fix conflicts in arch/arm/mach-{omap2/common-board-devices.c,tegra/Makefile.boot}
as per the 'for-linus' branch.
* tag 'boards' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (39 commits)
ARM: EXYNOS: Add leds status1 and status2 on Origen board
ARM: S3C64XX: Mark most Cragganmore initdata devinitdata
ARM: EXYNOS: Add missing .reserve field to SMDKC210
ARM: EXYNOS: Add DRM device to SMDK4X12 board
ARM: S3C64XX: Clean up after SPI driver platform data updates
ARM: SAMSUNG: no need to set the value for clk_xusbxti when it is 24Mhz
ARM: EXYNOS: Add framebuffer support for SMDK4X12
ARM: EXYNOS: Add HSOTG support to SMDK4X12
ARM: S5PV210: Add audio platform device in Goni board
ARM: S5PV210: Add audio platform device in Aquila board
ARM: EXYNOS: Add audio platform device in SMDKV310 board
ARM: S3C64XX: Don't specify an irq_base for WM1192-EV1 board
ARM: OMAP3: Fix omap3evm randconfig error introduced by VBUS support
ARM: OMAP: board-omap4panda: MUX configuration for sys_nirq2
ARM: OMAP: board-4430sdp: MUX configuration for sys_nirq2
ARM: OMAP3530evm: set pendown_state and debounce time for ads7846
ARM: omap3evm: enable VBUS switch for EHCI tranceiver
ARM: OMAP3EVM: Adding USB internal LDOs board file
ARM: OMAP3EVM: Add NAND flash definition
ARM: OMAP3: cm-t35: add tvp5150 decoder support
...
This branch contains two kinds of updates: Some platforms in the process
of getting converted to device tree based booting, and the platform
specific patches necessary for that are included here. Other platforms
are already converted, so we just need to update the actual device
tree source files and the binding documents to add support for new board
and new drivers.
In the future we will probably separate those into two branches, and
in the long run, the plan is to move the device tree source files out
of the kernel repository, but that has to wait until we have completed
a much larger portion of the binding documents.
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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 description updates from Arnd Bergmann:
"This branch contains two kinds of updates: Some platforms in the
process of getting converted to device tree based booting, and the
platform specific patches necessary for that are included here.
Other platforms are already converted, so we just need to update the
actual device tree source files and the binding documents to add
support for new board and new drivers.
In the future we will probably separate those into two branches, and
in the long run, the plan is to move the device tree source files out
of the kernel repository, but that has to wait until we have completed
a much larger portion of the binding documents."
Fix up trivial conflicts in arch/arm/mach-imx/clk-imx6q.c due to newly
added clkdev registers next to a few removed unnecessary ones.
* tag 'dt' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (119 commits)
ARM: LPC32xx: Add PWM to base dts file
ARM: EXYNOS: mark the DMA channel binding for SPI as preliminary
ARM: dts: Add nodes for spi controllers for SAMSUNG EXYNOS5 platforms
ARM: EXYNOS: Enable platform support for SPI controllers for EXYNOS5
ARM: EXYNOS: Add spi clock support for EXYNOS5
ARM: dts: Add nodes for spi controllers for SAMSUNG EXYNOS4 platforms
ARM: EXYNOS: Enable platform support for SPI controllers for EXYNOX4
ARM: EXYNOS: Fix the incorrect hierarchy of spi controller bus clock
ARM: ux500: Remove PMU platform registration when booting with DT
ARM: ux500: Remove temporary snowball_of_platform_devs enablement structure
ARM: ux500: Ensure vendor specific properties have the vendor's identifier
pinctrl: pinctrl-nomadik: Append sleepmode property with vendor specific prefixes
ARM: ux500: Move rtc-pl031 registration to Device Tree when enabled
ARM: ux500: Enable the AB8500 RTC for all DT:ed DB8500 based devices
ARM: ux500: Correctly reference IRQs supplied by the AB8500 from Device Tree
ARM: ux500: Apply ab8500-debug node do the db8500 DT structure
ARM: ux500: Add a ab8500-usb Device Tree node for db8500 based devices
ARM: ux500: Add db8500 Device Tree node for misc/ab8500-pwm
ARM: ux500: Add db8500 Device Tree node for ab8500-sysctrl
ARM: ux500: Enable LED heartbeat functionality on Snowbal via DT
...
This is stuff that does not fit well into another category and in
particular is not related to a particular board. The largest part
in here is extending the am33xx support in the omap platform.
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Merge tag 'soc' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc
Pull arm soc-specific updates from Arnd Bergmann:
"This is stuff that does not fit well into another category and in
particular is not related to a particular board. The largest part in
here is extending the am33xx support in the omap platform."
Fix up trivial conflicts in arch/arm/mach-{imx/mach-mx35_3ds.c, tegra/Makefile}
* tag 'soc' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (74 commits)
ARM: LPC32xx: Add PWM support
ARM: LPC32xx: Add PWM clock
ARM: LPC32xx: Set system serial based on cpu unique id
ARM: vexpress: Config option for early printk console
ARM: vexpress: Add Device Tree for V2P-CA15_CA7 core tile
ARM: vexpress: Convert V2P-CA15 Device Tree to 64 bit addresses
ARM: vexpress: Add fixed regulator for SMSC
ARM: vexpress: Add missing SP804 interrupt in motherboard's DTS files
ARM: vexpress: Initial common clock support
ARM: SAMSUNG: Introduce Kconfig variable for Samsung custom clk API
ARM: EXYNOS: Add missing static storage class specifier in pmu.c file
ARM: EXYNOS: Make combiner_init function static
ARM: EXYNOS: Update HSOTG PHY clock setting for EXYNOS4X12
ARM: versatile: Make plat-versatile clock optional
ARM: vexpress: Check master site in daughterboard's sysctl operations
ARM: vexpress: remove automatic errata workaround selection
ARM: LPC32xx: Adjust to pl08x DMA interface changes
ARM: EXYNOS: Clear SYS_WDTRESET bit to use watchdog reset
ARM: imx: fix mx51 ehci setup errors
ARM: imx: make ehci power/oc polarities configurable
...
This branch contains changes to Tegra device tree files, and related
Kconfig and Makefile changes. Highlights are:
* New support for the Whistler board.
* Use of the I2C pinctrl-based bus mux on Seaboard/Springbank.
This branch is based on Tegra's for-3.6/cleanup branch from a previous
pull request.
* 'for-3.6/dt' of git://git.kernel.org/pub/scm/linux/kernel/git/swarren/linux-tegra:
ARM: dt: tegra seaboard: move battery monitor to mux'd I2C bus.
ARM: dt: tegra: seaboard: instantiate pinctrl-based I2C bus mux
ARM: dt: tegra: add Whistler device tree file
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
From Stephen Warren <swarren@wwwdotorg.org>:
This branch contains numerous changes required as a baseline in order to
convert Tegra to the common clock framework. The intention was to also
include patches to actually convert Tegra to the common clock framework.
However, those patches appeared late in the kernel cycle and currently
cause regressions on some boards, so were dropped for now.
* 'for-3.6/common-clk' of git://git.kernel.org/pub/scm/linux/kernel/git/swarren/linux-tegra:
ARM: tegra: Provide clock for only one PWM controller
ARM: tegra: Fix PWM clock programming
ARM: tegra: dma: rename driver name for clock to "tegra-apbdma"
ARM: tegra: Remove second instance of uart clk
crypto: add clk_prepare/clk_unprepare
ASoC: tegra: add clk_prepare/clk_unprepare
staging: nvec: add clk_prepare/clk_unprepare
spi/tegra: add clk_prepare/clk_unprepare
Input: tegra-kbc - add clk_prepare/clk_unprepare
USB: ehci-tegra: add clk_prepare/clk_unprepare
mmc: tegra: add clk_prepare/clk_unprepare
i2c: tegra: Add clk_prepare/clk_unprepare
ARM: tegra: add clk_prepare/clk_unprepare
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
From Stephen Warren <swarren@wwwdotorg.org>
This branch contains changes to Tegra board files, and related Kconfig and
Makefile changes. Highlights include:
* Removal of Seaboard/Springbank board files; these boards can now only be
used with device tree.
* Use of small parts of some non-DT board files from the DT board files. This
enables all features that the non-DT board files have, when booting from DT.
This will allow almost complete removal of all non-DT board files in v3.7.
* Other miscellaneous changes.
This branch is based on Tegra's for-3.6/cleanup branch from a previous pull
request.
* 'for-3.6/boards' of git://git.kernel.org/pub/scm/linux/kernel/git/swarren/linux-tegra:
ARM: tegra: use of_default_bus_match_table
ARM: tegra: add device tree AUXDATA for APBDMA
ARM: tegra: paz00: enable WiFi rfkill when booting from device tree
ARM: tegra: harmony: init regulators, PCIe when booting from DT
ARM: tegra: trimslice: enable PCIe when booting from device tree
ARM: tegra: remove Seaboard board files
ARM: tegra: remove CONFIG_MACH_TEGRA_DT
ARM: tegra: make .dts compilation depend on Tegra2 support
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Whistler is a highly configurable Tegra evaluation and development board.
This change adds support for the following specific configuration:
E1120 motherboard
E1108 CPU board
E1116 PMU board
The motherboard configuration switches are set as follows:
SW1=0 SW2=0 SW3=5
S1/S2/S3/S4 all on, except S3 7/8 are off.
Other combinations of daugher boards may work to varying degrees, but will
likely require some SW adjustment.
Signed-off-by: Stephen Warren <swarren@nvidia.com>
Use the dmaengine based Tegra APB DMA driver for
apbio access in place of legacy Tegra APB DMA.
The new driver is selected if legacy driver is not
selected and new DMA driver is enabled through config
file.
Signed-off-by: Laxman Dewangan <ldewangan@nvidia.com>
[swarren: s/pr_err/pr_debug/ in tegra_apb_dma_init; this condition is
expected to fire repeatedly before the DMA driver is available]
Signed-off-by: Stephen Warren <swarren@nvidia.com>
The Tegra20 HW issue with accessing APBIO registers (such
as fuse registers) directly from the CPU concurrently with
APB DMA accesses has been fixed in Tegra30 and later chips.
Access these registers directly from the CPU on Tegra30
and later, and apply the workaround only for Tegra20.
Signed-off-by: Laxman Dewangan <ldewangan@nvidia.com>
Tested-by: Chaitanya Bandi <bandik@nvidia.com>
Signed-off-by: Stephen Warren <swarren@nvidia.com>
A subsequent patch will add a generic PWM API driver for the Tegra PWFM
controller, supporting all four PWM devices with a single PWM chip. The
device will be named tegra-pwm and only one clock needs to be provided.
Signed-off-by: Thierry Reding <thierry.reding@avionic-design.de>
Signed-off-by: Stephen Warren <swarren@nvidia.com>
PWM clock source registers in Tegra 2 have different clock source selection bit
fields than other registers. PWM clock source bits in CLK_SOURCE_PWM_0 register
are located at bit field bit[30:28] while others are at bit field bit[31:30] in
their respective clock source register.
This patch updates the clock programming to correctly reflect that, by adding a
flag to indicate the alternate bit field format and checking for it when
selecting a clock source (parent clock).
Signed-off-by: Bill Huang <bilhuang@nvidia.com>
Signed-off-by: Simon Que <sque@chromium.org>
Signed-off-by: Thierry Reding <thierry.reding@avionic-design.de>
Signed-off-by: Stephen Warren <swarren@nvidia.com>
Add auxdata to instantiate the PWFM controller from a device tree,
include the corresponding nodes in the dtsi files for Tegra 20 and
Tegra 30 and add binding documentation.
Acked-by: Stephen Warren <swarren@wwwdotorg.org>
Signed-off-by: Thierry Reding <thierry.reding@avionic-design.de>
of_default_bus_match_table is a table of default bus types supported by
of_platform_populate(). Since Tegra has no need to support any specific
custom list of bus types, modify the DT board files to use this default
list.
Signed-off-by: Stephen Warren <swarren@nvidia.com>
Rename the driver name of the clock entry of Tegra APBDMA to
tegra-apbdma from of tegra-dma.
This name is more aligned towards the movement of dmaengine based
new DMA driver.
Signed-off-by: Laxman Dewangan <ldewangan@nvidia.com>
Signed-off-by: Stephen Warren <swarren@nvidia.com>
In Tegra30 clock file two clk objects were created for same UART clock.
Remove the duplicates and add clock aliases instead.
Update the Tegra20 clock file to make the names consistent.
Signed-off-by: Prashant Gaikwad <pgaikwad@nvidia.com>
Signed-off-by: Stephen Warren <swarren@nvidia.com>
There currently aren't bindings for a WiFi rfkill button, and defining
a good binding is non-trivial. Manually register this "device" when
booting from device tree, in order to bring DT support to the same
feature level as board files, which will in turn allow board files to be
deprecated.
Signed-off-by: Stephen Warren <swarren@nvidia.com>
There currently aren't bindings for the Tegra PCIe controller. Work on
this is in progress, but not yet complete. Manually initialize PCIe when
booting from device tree, in order to bring DT support to the same
feature level as board files, which will in turn allow board files to be
deprecated.
PCIe on Harmony requires various regulators to be registered and enabled
before initializing the PCIe controller. Note that since the I2C
controllers are instantiated from DT, we must use i2c_new_device() to
register the PMU rather than i2c_register_board_info().
Signed-off-by: Stephen Warren <swarren@nvidia.com>
There currently aren't bindings for the Tegra PCIe controller. Work on
this is in progress, but not yet complete. Manually initialize PCIe when
booting from device tree, in order to bring DT support to the same
feature level as board files, which will in turn allow board files to be
deprecated.
PCIe hosts the wired Ethernet controller on TrimSlice.
To support this, add infra-structure to board-dt-tegra20.c for board-
specific initialization code. Once device tree support for the relevant
features is in place, this code will be removed.
Signed-off-by: Stephen Warren <swarren@nvidia.com>
The Seaboard device tree supports all the features that the Seaboard
board files support. Hence, there's no need to keep the board files
around any more; all users should convert to device tree.
MACH_KAEN and MACH_WARIO are also removed. While tegra-seaboard.dts
doesn't support those explicitly, it would be trivial to create device
trees for those boards if anyone cares.
The Seaboard device tree is now compiled if Tegra2 support is enabled,
rather than when Seaboard support is enabled.
Signed-off-by: Stephen Warren <swarren@nvidia.com>
* Make ARCH_TEGRA select USE_OF; DT is the way forward.
* Build board-dt-tegra*.c when the relevant Tegra SoC support is enabled,
rather than requiring a specific config option for this.
* The board-specific config options already build board-*-pinmux.o, and
when booting from device tree these files are no longer needed, so we
can remove some Makefile commands related to those files.
Signed-off-by: Stephen Warren <swarren@nvidia.com>
Update Makefile.boot to compile *.dts when the appropriate Tegra SoC
support is enabled, rather than requiring Kconfig to list each board
individually. Remove CONFIG_MACH_VENTANA now that it has no use.
Signed-off-by: Stephen Warren <swarren@nvidia.com>
powergate functions are needed for tegra30 as well (see common.c), so
build it always. Fixes:
arch/arm/mach-tegra/built-in.o: In function `tegra30_init_early':
apbio.c:(.init.text+0x78): undefined reference to `tegra_powergate_init'
(using "allnoconfig" with tegra30 enabled)
Signed-off-by: Wolfram Sang <w.sang@pengutronix.de>
Signed-off-by: Stephen Warren <swarren@nvidia.com>
Most ARM ${board}.dts files are already named ${soc}-${board}.dts. This
change modifies the Tegra board files to be named the same way for
consistency.
Once a related change is made in U-Boot, this will cause both U-Boot and
the kernel to use the same names for the .dts files and SoC identifiers,
thus allowing U-Boot's recently added "soc" and "board" environment
variables to be used to construct the name of Tegra .dtb files, and hence
allow board-generic U-Boot bootcmd scripts to be written.
Signed-off-by: Stephen Warren <swarren@nvidia.com>
This solves a section mismatch warning. I hadn't noticed this before,
because my compiler was inlining tegra_cpu_reset_handler_enable() inside
tegra_cpu_reset_handler_init(), which is already __init, but I switched
compilers and it stopped doing that.
Cc: <stable@kernel.org> # v3.4
Signed-off-by: Stephen Warren <swarren@nvidia.com>
Signed-off-by: Olof Johansson <olof@lixom.net>
Use clk_prepare/clk_unprepare as required by the generic clk framework.
Tested on Ventana and Cardhu.
Signed-off-by: Prashant Gaikwad <pgaikwad@nvidia.com>
Signed-off-by: Stephen Warren <swarren@nvidia.com>
The Tegra ASoC machine drivers only depend on Tegra architecture support
to compile, not specific board support. Remove Kconfig dependencies on
any particular board. This is required since Kconfig options for boards
are going away given the migration to device tree.
Signed-off-by: Stephen Warren <swarren@nvidia.com>
Acked-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
This particular code had no effect on WFI execution. It only
asserts/de-asserts signal to tegra "legacy" CPU idle stats
monitor, which we are no longer using (cpufreq is based on
kernel s/w idle stats instead).
Signed-off-by: Prashant Gaikwad <pgaikwad@nvidia.com>
Signed-off-by: Stephen Warren <swarren@nvidia.com>
This is a patch series from Shawn Guo that moves from individual
late_initcalls() to using a member in the machine structure to invoke
a platform's late initcalls.
This cleanup is a step in the move towards multiplatform kernels since
it would reduce the need to check for compatible platforms in each and
every initcall.
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Merge tag 'cleanup-initcall' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc
Pull sweeping late_initcall cleanup for arm-soc from Olof Johansson:
"This is a patch series from Shawn Guo that moves from individual
late_initcalls() to using a member in the machine structure to invoke
a platform's late initcalls.
This cleanup is a step in the move towards multiplatform kernels since
it would reduce the need to check for compatible platforms in each and
every initcall."
Fix up trivial conflicts in arch/arm/mach-{exynos/mach-universal_c210.c,
imx/mach-cpuimx51.c, omap2/board-generic.c} due to changes nearby (and,
in the case of cpuimx51.c the board support being deleted)
* tag 'cleanup-initcall' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc:
ARM: ux500: use machine specific hook for late init
ARM: tegra: use machine specific hook for late init
ARM: shmobile: use machine specific hook for late init
ARM: sa1100: use machine specific hook for late init
ARM: s3c64xx: use machine specific hook for late init
ARM: prima2: use machine specific hook for late init
ARM: pnx4008: use machine specific hook for late init
ARM: omap2: use machine specific hook for late init
ARM: omap1: use machine specific hook for late init
ARM: msm: use machine specific hook for late init
ARM: imx: use machine specific hook for late init
ARM: exynos: use machine specific hook for late init
ARM: ep93xx: use machine specific hook for late init
ARM: davinci: use machine specific hook for late init
ARM: provide a late_initcall hook for platform initialization
These changes are specific to some driver that may be used by multiple
boards or socs. The most significant change in here is the move of the
samsung iommu code from a platform specific in-kernel interface to the
generic iommu subsystem.
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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 updates from Olof Johansson:
"These changes are specific to some driver that may be used by multiple
boards or socs. The most significant change in here is the move of
the samsung iommu code from a platform specific in-kernel interface to
the generic iommu subsystem."
Fix up trivial conflicts in arch/arm/mach-exynos/Kconfig
* tag 'drivers' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (28 commits)
mmc: dt: Consolidate DT bindings
iommu/exynos: Add iommu driver for EXYNOS Platforms
ARM: davinci: optimize the DMA ISR
ARM: davinci: implement DEBUG_LL port choice
ARM: tegra: Add SMMU enabler in AHB
ARM: tegra: Add Tegra AHB driver
Input: pxa27x_keypad add choice to set direct_key_mask
Input: pxa27x_keypad direct key may be low active
Input: pxa27x_keypad bug fix for direct_key_mask
Input: pxa27x_keypad keep clock on as wakeup source
ARM: dt: tegra: pinmux changes for USB ULPI
ARM: tegra: add USB ULPI PHY reset GPIO to device tree
ARM: tegra: don't hard-code USB ULPI PHY reset_gpio
ARM: tegra: change pll_p_out4's rate to 24MHz
ARM: tegra: fix pclk rate
ARM: tegra: reparent sclk to pll_c_out1
ARM: tegra: Add pllc clock init table
ARM: dt: tegra cardhu: basic audio support
ARM: dt: tegra30.dtsi: Add audio-related nodes
ARM: tegra: add AUXDATA required for audio
...
This is the first big chunk for 3.5 merges of sound stuff.
There are a few big changes in different areas. First off, the
streaming logic of USB-audio endpoints has been largely rewritten
for the better support of "implicit feedback". If anything about USB
got broken, this change has to be checked.
For HD-audio, the resume procedure was changed; instead of delaying
the resume of the hardware until the first use, now waking up immediately
at resume. This is for buggy BIOS.
For ASoC, dynamic PCM support and the improved support for digital links
between off-SoC devices are major framework changes.
Some highlights are below:
* HD-audio
- Avoid the accesses of invalid pin-control bits that may stall the codec
- V-ref setup cleanups
- Fix the races in power-saving code
- Fix the races in codec cache hashes and connection lists
- Split some common codes for BIOS auto-parser to hda_auto_parser.c
- Changed the PM resume code to wake up immediately for buggy BIOS
- Creative SoundCore3D support
- Add Conexant CX20751/2/3/4 codec support
* ASoC
- Dynamic PCM support, allowing support for SoCs with internal routing
through components with tight sequencing and formatting constraints
within their internal paths or where there are multiple components
connected with CPU managed DMA controllers inside the SoC.
- Greatly improved support for direct digital links between off-SoC
devices, providing a much simpler way of connecting things like digital
basebands to CODECs.
- Much more fine grained and robust locking, cleaning up some of the
confusion that crept in with multi-component.
- CPU support for nVidia Tegra 30 I2S and audio hub controllers and
ST-Ericsson MSP I2S controolers
- New CODEC drivers for Cirrus CS42L52, LAPIS Semiconductor ML26124, Texas
Instruments LM49453.
- Some regmap changes needed by the Tegra I2S driver.
- mc13783 audio support.
* Misc
- Rewrite with module_pci_driver()
- Xonar DGX support for snd-oxygen
- Improvement of packet handling in snd-firewire driver
- New USB-endpoint streaming logic
- Enhanced M-audio FTU quirks and relevant cleanups
- Increment the support of OSS devices to 256
- snd-aloop accuracy improvement
There are a few more pending changes for 3.5, but they will be
sent slightly later as partly depending on the changes of DRM.
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Merge tag 'sound-3.5' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound
Pull sound updates from Takashi Iwai:
"This is the first big chunk for 3.5 merges of sound stuff.
There are a few big changes in different areas. First off, the
streaming logic of USB-audio endpoints has been largely rewritten for
the better support of "implicit feedback". If anything about USB got
broken, this change has to be checked.
For HD-audio, the resume procedure was changed; instead of delaying
the resume of the hardware until the first use, now waking up
immediately at resume. This is for buggy BIOS.
For ASoC, dynamic PCM support and the improved support for digital
links between off-SoC devices are major framework changes.
Some highlights are below:
* HD-audio
- Avoid accesses of invalid pin-control bits that may stall the codec
- V-ref setup cleanups
- Fix the races in power-saving code
- Fix the races in codec cache hashes and connection lists
- Split some common codes for BIOS auto-parser to hda_auto_parser.c
- Changed the PM resume code to wake up immediately for buggy BIOS
- Creative SoundCore3D support
- Add Conexant CX20751/2/3/4 codec support
* ASoC
- Dynamic PCM support, allowing support for SoCs with internal
routing through components with tight sequencing and formatting
constraints within their internal paths or where there are multiple
components connected with CPU managed DMA controllers inside the
SoC.
- Greatly improved support for direct digital links between off-SoC
devices, providing a much simpler way of connecting things like
digital basebands to CODECs.
- Much more fine grained and robust locking, cleaning up some of the
confusion that crept in with multi-component.
- CPU support for nVidia Tegra 30 I2S and audio hub controllers and
ST-Ericsson MSP I2S controolers
- New CODEC drivers for Cirrus CS42L52, LAPIS Semiconductor ML26124,
Texas Instruments LM49453.
- Some regmap changes needed by the Tegra I2S driver.
- mc13783 audio support.
* Misc
- Rewrite with module_pci_driver()
- Xonar DGX support for snd-oxygen
- Improvement of packet handling in snd-firewire driver
- New USB-endpoint streaming logic
- Enhanced M-audio FTU quirks and relevant cleanups
- Increment the support of OSS devices to 256
- snd-aloop accuracy improvement
There are a few more pending changes for 3.5, but they will be sent
slightly later as partly depending on the changes of DRM."
Fix up conflicts in regmap (due to duplicate patches, with some further
updates then having already come in from the regmap tree). Also some
fairly trivial context conflicts in the imx and mcx soc drivers.
* tag 'sound-3.5' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound: (280 commits)
ALSA: snd-usb: fix stream info output in /proc
ALSA: pcm - Add proper state checks to snd_pcm_drain()
ALSA: sh: Fix up namespace collision in sh_dac_audio.
ALSA: hda/realtek - Fix unused variable compile warning
ASoC: sh: fsi: enable chip specific data transfer mode
ASoC: sh: fsi: call fsi_hw_startup/shutdown from fsi_dai_trigger()
ASoC: sh: fsi: use same format for IN/OUT
ASoC: sh: fsi: add fsi_version() and removed meaningless version check
ASoC: sh: fsi: use register field macro name on IN/OUT_DMAC
ASoC: tegra: Add machine driver for WM8753 codec
ALSA: hda - Fix possible races of accesses to connection list array
ASoC: OMAP: HDMI: Introduce codec
ARM: mx31_3ds: Add sound support
ASoC: imx-mc13783 cleanup
mx31moboard: Add sound support
ASoC: mc13783 codec cleanups
ASoC: add imx-mc13783 sound support
ASoC: Add mc13783 codec
mfd: mc13xxx: add codec platform data
ASoC: don't flip master of DT-instantiated DAI links
...
Here's the big TTY/serial driver pull request for the 3.5-rc1 merge window.
Nothing major in here, just lots of incremental changes from Alan and
Jiri reworking some tty core things to behave better and to get a more
solid grasp on some of the nasty tty locking issues.
There are a few tty and serial driver updates in here as well.
All of this has been in the linux-next releases for a while with no problems.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'tty-3.5-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty
Pull TTY updates from Greg Kroah-Hartman:
"Here's the big TTY/serial driver pull request for the 3.5-rc1 merge
window.
Nothing major in here, just lots of incremental changes from Alan and
Jiri reworking some tty core things to behave better and to get a more
solid grasp on some of the nasty tty locking issues.
There are a few tty and serial driver updates in here as well.
All of this has been in the linux-next releases for a while with no
problems.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>"
* tag 'tty-3.5-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty: (115 commits)
serial: bfin_uart: Make MMR access compatible with 32 bits bf609 style controller.
serial: bfin_uart: RTS and CTS MMRs can be either 16-bit width or 32-bit width.
serial: bfin_uart: narrow the reboot condition in DMA tx interrupt
serial: bfin_uart: Adapt bf5xx serial driver to bf60x serial4 controller.
Revert "serial_core: Update buffer overrun statistics."
tty: hvc_xen: NULL dereference on allocation failure
tty: Fix LED error return
tty: Allow uart_register/unregister/register
tty: move global ldisc idle waitqueue to the individual ldisc
serial8250-em: Add DT support
serial8250-em: clk_get() IS_ERR() error handling fix
serial_core: Update buffer overrun statistics.
tty: drop the pty lock during hangup
cris: fix missing tty arg in wait_event_interruptible_tty call
tty/amiserial: Add missing argument for tty_unlock()
tty_lock: Localise the lock
pty: Lock the devpts bits privately
tty_lock: undo the old tty_lock use on the ctty
serial8250-em: Emma Mobile UART driver V2
Add missing call to uart_update_timeout()
...
With this, five platforms are moving to the relatively new pinctrl
subsystem for their pin management, replacing the older soc specific
in-kernel interfaces with common code.
There is quite a bit of net addition of code for each platform being
added to the pinctrl subsystem. but the payback comes later when adding
new boards can be done by only providing new device trees instead.
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Merge tag 'pinctrl' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc
Pull arm soc-specific pinctrl changes from Olof Johansson:
"With this, five platforms are moving to the relatively new pinctrl
subsystem for their pin management, replacing the older soc specific
in-kernel interfaces with common code.
There is quite a bit of net addition of code for each platform being
added to the pinctrl subsystem. But the payback comes later when
adding new boards can be done by only providing new device trees
instead."
Fix up trivial conflicts in arch/arm/mach-ux500/{Makefile,board-mop500.c}
* tag 'pinctrl' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (61 commits)
mtd: nand: gpmi: fix compile error caused by pinctrl call
ARM: PRIMA2: select PINCTRL and PINCTRL_SIRF in Kconfig
ARM: nomadik: enable PINCTRL_NOMADIK where needed
ARM: mxs: enable pinctrl support
video: mxsfb: adopt pinctrl support
ASoC: mxs-saif: adopt pinctrl support
i2c: mxs: adopt pinctrl support
mtd: nand: gpmi: adopt pinctrl support
mmc: mxs-mmc: adopt pinctrl support
serial: mxs-auart: adopt pinctrl support
serial: amba-pl011: adopt pinctrl support
spi/imx: adopt pinctrl support
i2c: imx: adopt pinctrl support
can: flexcan: adopt pinctrl support
net: fec: adopt pinctrl support
ARM: ux500: switch MSP to using pinctrl for pins
ARM: ux500: alter MSP registration to return a device pointer
ARM: ux500: switch to using pinctrl for uart0
ARM: ux500: delete custom pin control system
ARM: ux500: switch over to Nomadik pinctrl driver
...
These bug fixes were not important enough to have them included in the
v3.4 release, mostly because they cover harmless warnings or unrealistic
configurations. Instead we queue them up to be picked up in the next
merge window.
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Merge tag 'fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc
Pull non-critical arm-soc bug fixes from Olof Johansson:
"These bug fixes were not important enough to have them included in the
v3.4 release, mostly because they cover harmless warnings or
unrealistic configurations. Instead we queue them up to be picked up
in the next merge window."
Fixed up trivial conflict in arch/arm/mach-omap2/board-omap4panda.c
* tag 'fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc:
ARM: spear6xx: remove board selection options
ARM: OMAP: igep0020: Specify the VPLL2 regulator unconditionally
ARM: OMAP2+: INTC: fix Kconfig option for TI81XX
ARM: OMAP2+: remove incorrect irq_chip ack field
ARM: OMAP4: Adding ID for OMAP4460 ES1.1
ARM: OMAP4: panda: add statics to remove warnings
ARM: OMAP2+: Incorrect Register Offsets in OMAP Mailbox
ARM: OMAP: fix trivial warnings for dspbridge
arm: davinci: use for_each_set_bit_from
ARM: OMAP4: hsmmc: check for null pointer
ARM: OMAP1: fix compilation issue in board-sx1.c
ARM: disable SUSPEND/ARCH_SUSPEND_POSSIBLE for ARCH_TEGRA
ARM: davinci: da850-evm: fix section mismatch
ARM: tegra: add pll_x freq table entry for 750MHz
ARM: davinci: mark spi_board_info arguments as const
ARM: davinci: fix incorrect pdctl next bit position
These cleanups are basically all over the place. The idea is to collect
changes with minimal impact but large number of changes so we can avoid
them from distracting in the diffstat in the other series.
A significant number of lines get removed here, in particular because
the ixp2000 and ixp23xx platforms get removed. These have never been
extremely popular and have fallen into disuse over time with no active
maintainer taking care of them. The u5500 soc never made it into a
product, so we are removing it from the ux500 platform.
Many good cleanups also went into the at91 and omap platforms, as has
been the case for a number of releases.
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Merge tag 'cleanup' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc
Pull first batch of arm-soc cleanups from Olof Johansson:
"These cleanups are basically all over the place. The idea is to
collect changes with minimal impact but large number of changes so we
can avoid them from distracting in the diffstat in the other series.
A significant number of lines get removed here, in particular because
the ixp2000 and ixp23xx platforms get removed. These have never been
extremely popular and have fallen into disuse over time with no active
maintainer taking care of them. The u5500 soc never made it into a
product, so we are removing it from the ux500 platform.
Many good cleanups also went into the at91 and omap platforms, as has
been the case for a number of releases."
Trivial modify-delete conflicts in arch/arm/mach-{ixp2000,ixp23xx}
* tag 'cleanup' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (152 commits)
ARM: clps711x: Cleanup IRQ handling
ARM clps711x: Removed unused header mach/time.h
ARM: clps711x: Added note about support EP731x CPU to Kconfig
ARM: clps711x: Added missing register definitions
ARM: clps711x: Used own subarch directory for store header file
Dove: Fix Section mismatch warnings
ARM: orion5x: ts78xx debugging changes
ARM: orion5x: remove PM dependency from ts78xx
ARM: orion5x: ts78xx fix NAND resource off by one
ARM: orion5x: ts78xx whitespace cleanups
Orion5x: Fix Section mismatch warnings
Orion5x: Fix warning: struct pci_dev declared inside paramter list
ARM: clps711x: Combine header files into one for clps711x-targets
ARM: S3C24XX: Use common macro to define resources on mach-qt2410.c
ARM: S3C24XX: Use common macro to define resources on mach-osiris.c
ARM: EXYNOS: Adapt to cpuidle core time keeping and irq enable
ARM: S5PV210: Use common macro to define resources on mach-smdkv210.c
ARM: S5PV210: Use common macro to define resources on dev-audio.c
ARM: S5PC100: Use common macro to define resources on dev-audio.c
ARM: S5P64X0: Use common macro to define resources on dev-audio.c
...
Pull core ARM updates from Russell King:
"This is the bulk of the core ARM updates for this merge window.
Included in here is a different way to handle the VIVT cache flushing
on context switch, which should allow scheduler folk to remove a
special case in their core code.
We have architectured timer support here, which is a set of timers
specified by the ARM architecture for future SoCs. So we should see
less variability in timer design going forward.
The last big thing here is my cleanup to the way we handle PCI across
ARM, fixing some oddities in some platforms which hadn't realised
there was a way to deal with their private data already built in to
our PCI backend.
I've also removed support for the ARMv3 architecture; it hasn't worked
properly for years so it seems pointless to keep it around."
* 'for-linus' of git://git.linaro.org/people/rmk/linux-arm: (47 commits)
ARM: PCI: remove per-pci_hw list of buses
ARM: PCI: dove/kirkwood/mv78xx0: use sys->private_data
ARM: PCI: provide a default bus scan implementation
ARM: PCI: get rid of pci_std_swizzle()
ARM: PCI: versatile: fix PCI interrupt setup
ARM: PCI: integrator: use common PCI swizzle
ARM: 7416/1: LPAE: Remove unused L_PTE_(BUFFERABLE|CACHEABLE) macros
ARM: 7415/1: vfp: convert printk's to pr_*'s
ARM: decompressor: avoid speculative prefetch from non-RAM areas
ARM: Remove ARMv3 support from decompressor
ARM: 7413/1: move read_{boot,persistent}_clock to the architecture level
ARM: Remove support for ARMv3 ARM610 and ARM710 CPUs
ARM: 7363/1: DEBUG_LL: limit early mapping to the minimum
ARM: 7391/1: versatile: add some auxdata for device trees
ARM: 7389/2: plat-versatile: modernize FPGA IRQ controller
AMBA: get rid of last two uses of NO_IRQ
ARM: 7408/1: cacheflush: return error to userspace when flushing syscall fails
ARM: 7409/1: Do not call flush_cache_user_range with mmap_sem held
ARM: 7404/1: cmpxchg64: use atomic64 and local64 routines for cmpxchg64
ARM: 7347/1: SCU: use cpu_logical_map for per-CPU low power mode
...
flowctrl_write_cpu_csr uses the cpu halt offsets and vice versa. This patch
fixes this bug.
Reported-by: Dan Willemsen <dwillemsen@nvidia.com>
Signed-off-by: Peter De Schrijver <pdeschrijver@nvidia.com>
[swarren: This problem was introduced in v3.4-rc1, in commit 26fe681 "ARM:
tegra: functions to access the flowcontroller", when this file was first
added]
Signed-off-by: Stephen Warren <swarren@nvidia.com>
Most PCI implementations use the standard PCI swizzle function, which
handles the well defined behaviour of PCI-to-PCI bridges which can be
found on cards (eg, four port ethernet cards.)
Rather than having almost every platform specify the standard swizzle
function, make this the default when no swizzle function is supplied.
Therefore, a swizzle function only needs to be provided when there is
something exceptional which needs to be handled.
This gets rid of the swizzle initializer from 47 files, and leaves us
with just two platforms specifying a swizzle function: ARM Integrator
and Chalice CATS.
Acked-by: Krzysztof Hałasa <khc@pm.waw.pl>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
By Stephen Warren
via Stephen Warren
* 'for-3.5/debug' of git://git.kernel.org/pub/scm/linux/kernel/git/swarren/linux-tegra:
ARM: tegra: uncompress.h: Implement TEGRA_DEBUG_UART_AUTO_ODMDATA
By Stephen Warren (5) and Peter De Schrijver (1)
via Stephen Warren
* 'for-3.5/tegra30-audio' of git://git.kernel.org/pub/scm/linux/kernel/git/swarren/linux-tegra:
ARM: dt: tegra cardhu: basic audio support
ARM: dt: tegra30.dtsi: Add audio-related nodes
ARM: tegra: add AUXDATA required for audio
ARM: tegra: set up audio clocks for tegra30 dt
ARM: tegra: Initialize pll_p_out1
ARM: tegra: provide clock aliases for AHUB configlink
Signed-off-by: Olof Johansson <olof@lixom.net>
Add extern func, "tegra_ahb_enable_smmu()" to inform AHB that SMMU is
ready.
Signed-off-by: Hiroshi DOYU <hdoyu@nvidia.com>
Cc: Felipe Balbi <balbi@ti.com>
Signed-off-by: Stephen Warren <swarren@nvidia.com>
Tegra AHB Bus conforms to the AMBA Specification (Rev 2.0) Advanced
High-performance Bus (AHB) architecture.
The AHB Arbiter controls AHB bus master arbitration. This effectively
forms a second level of arbitration for access to the memory
controller through the AHB Slave Memory device. The AHB pre-fetch
logic can be configured to enhance performance for devices doing
sequential access. Each AHB master is assigned to either the high or
low priority bin. Both Tegra20/30 have this AHB bus.
Some of configuration params could be passed from DT too if needed.
Signed-off-by: Hiroshi DOYU <hdoyu@nvidia.com>
Acked-by: Arnd Bergmann <arnd@arndb.de>
Cc: Felipe Balbi <balbi@ti.com>
Signed-off-by: Stephen Warren <swarren@nvidia.com>
At the moment, read_persistent_clock is implemented at the
platform level, which makes it impossible to compile these
platforms in a single kernel.
Implement these two functions at the architecture level, and
provide a thin registration interface for both read_boot_clock
and read_persistent_clock. The two affected platforms (OMAP and
Tegra) are converted at the same time.
Reported-by: Jeff Ohlstein <johlstei@codeaurora.org>
Tested-by: Stephen Warren <swarren@wwwdotorg.org>
Tested-by: Tony Lindgren <tony@atomide.com>
Signed-off-by: Marc Zyngier <marc.zyngier@arm.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
Some SKUs limit the maximum CPU frequency to 750MHz; see
tegra2_pllx_clk_init(). The pll_x frequency table needs an entry for this
frequency, or there will be continual log spam from the cpufreq driver
attempting to set this rate, yet there being no table entry for it.
Signed-off-by: Stephen Warren <swarren@nvidia.com>
ULPI PHYs have a reset signal, and different boards use a different GPIO
for this task. Add a property to device tree to represent this.
I'm not sure if adding this property to the EHCI controller node is
entirely correct; perhaps eventually we should have explicit separate
nodes for the various PHYs. However, we don't have that right now, so this
binding seems like a reasonable choice.
Cc: <devicetree-discuss@lists.ozlabs.org>
Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Cc: <linux-usb@vger.kernel.org>
Signed-off-by: Stephen Warren <swarren@nvidia.com>
Not all boards use GPIO_PV0 as the ULPI PHY reset signal. Instead of
hard-coding this GPIO into devices.c, make the board files set it
explicitly. This will allow the PHY code to differentiate between set and
unset values, and hence know when to read the value from device tree.
Signed-off-by: Stephen Warren <swarren@nvidia.com>
pll_p_out4 is used on all/most Tegra boards to drive the cdev2 output pin
to provide a reference clock to a ULPI USB PHY. This reference clock must
run at 24MHz, and the cdev2 output has no additional dividers.
Remove board-paz00.c's now-duplicate initialization of this clock.
Reported-by: Marc Dietrich <marvin24@gmx.de>
Signed-off-by: Stephen Warren <swarren@nvidia.com>
Commit 40f9cf0 "ARM: tegra: reparent sclk to pll_c_out1" changed the
rate of hclk. Since pclk is derived from that, and only has integer
dividers, the pclk rate needs to change in the same fashion, from 54MHz
to 60MHz.
Signed-off-by: Stephen Warren <swarren@nvidia.com>
pll_p_out4 needs to be used for other purposes. Reparent sclk so that
it runs from pll_c. Change sclk's rate to 120MHz from 108MHz since this
is the lowest precise rate that can be achieved by dividing the pll_c
rate without reducing the sclk rate. (600/5=120, 600/5.5=109.0909...,
600/6=100).
Signed-off-by: Stephen Warren <swarren@nvidia.com>
pll_c will be used as a clock source. Fill in tegra_pll_c_freq_table[]
so that it's possible to explicitly initialize the PLL.
NVIDIA's downstream nv-3.1 kernel and the ChromeOS kernel have different
pll_c tables. nv-3.1 contains entries for 522MHz and 598MHz output,
whereas the ChromeOS kernel contains entries for 600MHz output. I chose
to upstream the ChromeOS values for now, since the 600MHz rate appears
to match the default rate of this PLL when the HW boots, and it's not
clear to me why 522 or 598MHz are more useful.
Signed-off-by: Allen Martin <amartin@nvidia.com>
Signed-off-by: Olof Johansson <olofj@chromium.org>
Signed-off-by: Stephen Warren <swarren@nvidia.com>
[swarren: wrote commit description]
Both the Tegra30 I2S and AHUB modules used clocks, and hence currently
require AUXDATA in order to get specific device names so that clock
lookups work.
Signed-off-by: Stephen Warren <swarren@nvidia.com>
Acked-by: Olof Johansson <olof@lixom.net>
Set up the audio clock tree for Tegra30 in an equivalent fashion to the
existing setup for Tegra20.
Signed-off-by: Stephen Warren <swarren@nvidia.com>
Acked-by: Olof Johansson <olof@lixom.net>
pll_a uses pll_p_out1 as its parent. Therefore this clock needs to be
initialized to make sure pll_a has a known input clock. Failure to do so
will cause the system to crash early in the bootup.
Signed-off-by: Peter De Schrijver <pdeschrijver@nvidia.com>
Signed-off-by: Stephen Warren <swarren@nvidia.com>
The Tegra30 AHUB driver must call tegra_periph_reset_deassert() for all
devices on the AHUB's configlink bus. The AHUB driver must be able to
call clk_get_sys() to retrieve the clock parameter for this function.
Add the necessary clock aliases to allow this.
Signed-off-by: Stephen Warren <swarren@nvidia.com>
Acked-by: Olof Johansson <olof@lixom.net>
The "KT" serial port has another use case for a "received break" quirk,
so before adding another special case to the 8250 core take this
opportunity to push such quirks out of the core and into a uart_port op.
Stephen says:
"If the callback function is to no longer live in 8250.c itself,
arch/arm/mach-tegra/devices.c isn't logically a good place to put it,
and that file will be going away once we get rid of all the board files
and move solely to device tree."
...so since 8250_pci.c houses all the quirks for pci serial devices this
quirk is similarly housed in of_serial.c. Once the open firmware
conversion completes the infrastructure details
(include/linux/of_serial.h, and the export) can all be removed to make
this self contained to of_serial.c.
Cc: Nhan H Mai <nhan.h.mai@intel.com>
Cc: Colin Cross <ccross@android.com>
Cc: Olof Johansson <olof@lixom.net>
[stephen: kill CONFIG_SERIAL_TEGRA in favor just using CONFIG_ARCH_TEGRA]
Cc: Grant Likely <grant.likely@secretlab.ca>
Acked-by: Arnd Bergmann <arnd@arndb.de>
Acked-by: Sudhakar Mamillapalli <sudhakar@fb.com>
Reported-by: Alan Cox <alan@lxorguk.ukuu.org.uk>
Acked-by: Alan Cox <alan@linux.intel.com>
Signed-off-by: Dan Williams <dan.j.williams@intel.com>
Acked-by: Stephen Warren <swarren@wwwdotorg.org>
Tested-by: Stephen Warren <swarren@wwwdotorg.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Rather than having a single tegra-pinctrl driver that determines whether
it's running on Tegra20 or Tegra30, instead have separate drivers for
each that call into utility functions to implement the majority of the
driver. This change is based on review feedback of the SPEAr pinctrl
driver, which had originally copied to Tegra driver structure.
This requires that the two drivers have unique names. Update a couple
spots in arch/arm/mach-tegra for the name change.
Signed-off-by: Stephen Warren <swarren@nvidia.com>
Acked-by: Linus Walleij <linus.walleij@linaro.org>
This adds a complete pinmux configuration to all Tegra20 device tree
files. This allows removal of board-dt-tegra20.c's use of the pinmux
board files, and the special device tree handling in board-pinmux.c.
Signed-off-by: Stephen Warren <swarren@nvidia.com>
Acked-by: Linus Walleij <linus.walleij@linaro.org>
Acked-by: Olof Johansson <olof@lixom.net>
The pinctrl driver is now active and used by all boards. Remove the
old pinmux driver.
Signed-off-by: Stephen Warren <swarren@nvidia.com>
Acked-by: Linus Walleij <linus.walleij@linaro.org>
Acked-by: Olof Johansson <olof@lixom.net>
* Rename old pinmux and new pinctrl platform driver and DT match table
entries, so the new driver gets instantiated.
* Re-write board-pinmux.c, so that it uses pinctrl APIs to configura the
pinmux.
* Re-write board-*-pinmux.c so that the pinmux configuration tables are
in pinctrl format.
Ventana's pin mux table needed some edits on top of the basic format
conversion, since some mux options that were previously marked as
reserved are now valid in the new pinctrl driver. Attempting to use the
old reserved names will result in a failure. Specifically, groups lpw0,
lpw2, lsc1, lsck, and lsda were changed from function rsvd4 to displaya,
and group pta was changed from function rsvd2 to hdmi.
All boards' pin mux tables needed some edits on top of the based format
conversion, since function i2c was split into i2c1 (first general I2C
controller) and i2cp (power I2C controller) to better align function
definitions with HW blocks.
Due to the split of mux tables into pure mux and pull/tristate tables,
many entries in the separate Seaboard/Ventana tables could be merged
into the common table, since the entries differed only in the portion
in one of the tables, not both.
Most pin groups allow configuration of mux, tri-state, and pull. However,
some don't allow pull configuration, which is instead configured by new
groups that only allow pull configuration. This is a reflection of the
true HW capabilities, which weren't fully represented by the old pinmux
driver. This required adding new pull table entries for those new groups,
and setting many other entries' pull configuration to
TEGRA_PINCONFIG_DONT_SET.
Signed-off-by: Stephen Warren <swarren@nvidia.com>
Acked-by: Linus Walleij <linus.walleij@linaro.org>
Acked-by: Olof Johansson <olof@lixom.net>
Recent pinctrl discussions concluded that gpiolib APIs should in fact do
whatever is required to mux a GPIO onto pins, by calling pinctrl APIs if
required. This change implements this for the Tegra GPIO driver, and removes
calls to the Tegra-specific APIs from drivers and board files.
Cc: Chris Ball <cjb@laptop.org>
Cc: linux-mmc@vger.kernel.org
Signed-off-by: Stephen Warren <swarren@nvidia.com>
Acked-by: Chris Ball <cjb@laptop.org> # for sdhci-tegra.c
Acked-by: Linus Walleij <linus.walleij@linaro.org>
Acked-by: Olof Johansson <olof@lixom.net>
Don't call gpio_request() or gpio_direction_input() for ISL29018_IRQ.
This pin is only used as an IRQ, and hence no GPIO configuration should
be necessary; the GPIO/IRQ driver should (and does) perform any required
setup when the IRQ is requested.
Signed-off-by: Stephen Warren <swarren@nvidia.com>
Acked-by: Olof Johansson <olof@lixom.net>
Instead of having board files manually request and initialize USB VBUS
GPIOs, fill in the USB driver's platform data and have it do it.
Signed-off-by: Stephen Warren <swarren@nvidia.com>
Acked-by: Olof Johansson <olof@lixom.net>
Add a vbus_gpio field to platform data. This mirrors the device tree
property nvidia,vbus-gpio. This makes the VBUS GPIO handling identical
between booting with board files and device tree; the driver always does
it.
This removes the need for board files to request and initialize the GPIO
early during their boot process, perhaps even before the GPIO driver is
ready to process the request.
Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Cc: Alan Stern <stern@rowland.harvard.edu>
Cc: linux-usb@vger.kernel.org
Signed-off-by: Stephen Warren <swarren@nvidia.com>
Acked-by: Olof Johansson <olof@lixom.net>
The declarations are actually required for the device
definitions, and are still valid even if the dma controller
is disabled:
arch/arm/mach-tegra/devices.c:559:12: error: 'TEGRA_DMA_REQ_SEL_I2S_1' undeclared here (not in a function)
arch/arm/mach-tegra/devices.c:577:12: error: 'TEGRA_DMA_REQ_SEL_I2S2_1' undeclared here (not in a function)
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Alan Ott <alan@signal11.us>
Signed-off-by: Stephen Warren <swarren@nvidia.com>
arch/arm/mach-tegra/board-dt-tegra20.c: included 'asm/hardware/gic.h'
twice remove the duplicates.
Signed-off-by: Danny Kukawka <danny.kukawka@bisect.de>
[swarren: rewrote commit subject]
Signed-off-by: Stephen Warren <swarren@nvidia.com>
Tegra has 5 UARTS which could be used for low-level debug output. Commit
fe26398 "ARM: tegra: uncompress.h: Choose a UART at runtime" implemented
one method for the kernel to automatically determine which of these to
use at run-time, so that the same DEBUG_LL-enabled kernel image could be
used across multiple Tegra boards. The required bootloader-side setup for
that option is implemented in NVIDIA's various downstream U-Boot branches,
but the U-Boot maintainers have refused to accept it upstream.
This change implements an alternative automatic UART selection option
using ODMDATA. This is a 32-bit value programmed into Tegra's boot memory
which provides a few pieces of basic board-specific information, including
a field that indicates the console UART. Setting up this value is part of
the standard Tegra boot architecture, and so requires no Tegra-specific
hacks in the bootloader's UART driver.
Note that in theory, the format of ODMDATA is board-specific. However, in
practice all boards use the same location/size/values for the UART field.
ODMDATA[19:18] (which drive the type of debug console) is more problematic,
since some boards use value 2 for UART and others use 3. This patch just
accepts either value; if this doesn't work well for a given board, I'd
suggest simply not enabling this debug option when building for that board.
Note that the kernel assumes the bootloader has already set up any required
pinmux settings for the UART; there is no way the kernel can do this for
itself prior to knowing which board it's running on. In practice, people
using this feature are highly likely to be using bootloaders that have
indeed configured the pinmux. This assumption existed prior to this patch.
Signed-off-by: Stephen Warren <swarren@nvidia.com>
Rename Tegra20-specific Kconfig variables, module filenames, all internal
symbol names, clocks, and platform devices, to reflect the fact the DAS
and I2S drivers are for a specific HW version.
Signed-off-by: Stephen Warren <swarren@nvidia.com>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
tegra_pcm_device is no longer needed now that the Tegra ASoC code has
cleaned up its 'platform' registration. Remove it.
Signed-off-by: Stephen Warren <swarren@wwwdotorg.org>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
This is a first pass of some of the merge window fallout for ARM platforms.
Nothing controversial:
* A system.h fallout fix for OMAP
* PXA fixes for breakage caused by the regulator struct changes
* GPIO fixes for OMAP to properly deal with dynamic IRQ allocation
* A mismerge in our arm-soc tree of an lpc32xx change for networking
* A fix for USB setup on tegra
* An undo of __init annotation of display mux setup on OMAP that's needed
at runtime
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Merge tag 'fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc
Pull arm-soc fixes from Olof Johansson:
"This is a first pass of some of the merge window fallout for ARM
platforms.
Nothing controversial:
- A system.h fallout fix for OMAP
- PXA fixes for breakage caused by the regulator struct changes
- GPIO fixes for OMAP to properly deal with dynamic IRQ allocation
- A mismerge in our arm-soc tree of an lpc32xx change for networking
- A fix for USB setup on tegra
- An undo of __init annotation of display mux setup on OMAP that's
needed at runtime"
* tag 'fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc:
ARM: pxa: fix build issue on stargate2
ARM: pxa: fix build issue on cm-x300
ARM: pxa: fix build failure for regulator consumer in em-x270.c
ARM: LPC32xx: clock.c: Fix lpc-eth clock reference
ARM: OMAP: pm: fix compilation break
ARM: OMAP: Remove OMAP_GPIO_IRQ macro definition
drivers: input: Fix OMAP_GPIO_IRQ with gpio_to_irq() in ams_delta_serio_exit()
ARM: OMAP: boards: Fix OMAP_GPIO_IRQ usage with gpio_to_irq()
ARM: pxa: fix regulator related build fail in magician_defconfig
ARM: tegra: Fix device tree AUXDATA for USB/EHCI
ARM: OMAP2+: Remove __init from DSI mux functions
Rob Herring has done a sweeping change cleaning up all of the mach/io.h includes,
moving some of the oft-repeated macros to a common location and removing a bunch of
boiler plate. This is another step closer to a common zImage for multiple platforms.
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Merge tag 'cleanup2' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc
Pull "ARM: cleanups of io includes" from Olof Johansson:
"Rob Herring has done a sweeping change cleaning up all of the
mach/io.h includes, moving some of the oft-repeated macros to a common
location and removing a bunch of boiler plate. This is another step
closer to a common zImage for multiple platforms."
Fix up various fairly trivial conflicts (<mach/io.h> removal vs changes
around it, tegra localtimer.o is *still* gone, yadda-yadda).
* tag 'cleanup2' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (29 commits)
ARM: tegra: Include assembler.h in sleep.S to fix build break
ARM: pxa: use common IOMEM definition
ARM: dma-mapping: convert ARCH_HAS_DMA_SET_COHERENT_MASK to kconfig symbol
ARM: __io abuse cleanup
ARM: create a common IOMEM definition
ARM: iop13xx: fix missing declaration of iop13xx_init_early
ARM: fix ioremap/iounmap for !CONFIG_MMU
ARM: kill off __mem_pci
ARM: remove bunch of now unused mach/io.h files
ARM: make mach/io.h include optional
ARM: clps711x: remove unneeded include of mach/io.h
ARM: dove: add explicit include of dove.h to addr-map.c
ARM: at91: add explicit include of hardware.h to uncompressor
ARM: ep93xx: clean-up mach/io.h
ARM: tegra: clean-up mach/io.h
ARM: orion5x: clean-up mach/io.h
ARM: davinci: remove unneeded mach/io.h include
[media] davinci: remove includes of mach/io.h
ARM: OMAP: Remove remaining includes for mach/io.h
ARM: msm: clean-up mach/io.h
...
* 'for-3.4/fixes-for-rc1-and-v3.3' of git://git.kernel.org/pub/scm/linux/kernel/git/swarren/linux-tegra:
ARM: tegra: Fix device tree AUXDATA for USB/EHCI
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Merge tag 'split-asm_system_h-for-linus-20120328' of git://git.kernel.org/pub/scm/linux/kernel/git/dhowells/linux-asm_system
Pull "Disintegrate and delete asm/system.h" from David Howells:
"Here are a bunch of patches to disintegrate asm/system.h into a set of
separate bits to relieve the problem of circular inclusion
dependencies.
I've built all the working defconfigs from all the arches that I can
and made sure that they don't break.
The reason for these patches is that I recently encountered a circular
dependency problem that came about when I produced some patches to
optimise get_order() by rewriting it to use ilog2().
This uses bitops - and on the SH arch asm/bitops.h drags in
asm-generic/get_order.h by a circuituous route involving asm/system.h.
The main difficulty seems to be asm/system.h. It holds a number of
low level bits with no/few dependencies that are commonly used (eg.
memory barriers) and a number of bits with more dependencies that
aren't used in many places (eg. switch_to()).
These patches break asm/system.h up into the following core pieces:
(1) asm/barrier.h
Move memory barriers here. This already done for MIPS and Alpha.
(2) asm/switch_to.h
Move switch_to() and related stuff here.
(3) asm/exec.h
Move arch_align_stack() here. Other process execution related bits
could perhaps go here from asm/processor.h.
(4) asm/cmpxchg.h
Move xchg() and cmpxchg() here as they're full word atomic ops and
frequently used by atomic_xchg() and atomic_cmpxchg().
(5) asm/bug.h
Move die() and related bits.
(6) asm/auxvec.h
Move AT_VECTOR_SIZE_ARCH here.
Other arch headers are created as needed on a per-arch basis."
Fixed up some conflicts from other header file cleanups and moving code
around that has happened in the meantime, so David's testing is somewhat
weakened by that. We'll find out anything that got broken and fix it..
* tag 'split-asm_system_h-for-linus-20120328' of git://git.kernel.org/pub/scm/linux/kernel/git/dhowells/linux-asm_system: (38 commits)
Delete all instances of asm/system.h
Remove all #inclusions of asm/system.h
Add #includes needed to permit the removal of asm/system.h
Move all declarations of free_initmem() to linux/mm.h
Disintegrate asm/system.h for OpenRISC
Split arch_align_stack() out from asm-generic/system.h
Split the switch_to() wrapper out of asm-generic/system.h
Move the asm-generic/system.h xchg() implementation to asm-generic/cmpxchg.h
Create asm-generic/barrier.h
Make asm-generic/cmpxchg.h #include asm-generic/cmpxchg-local.h
Disintegrate asm/system.h for Xtensa
Disintegrate asm/system.h for Unicore32 [based on ver #3, changed by gxt]
Disintegrate asm/system.h for Tile
Disintegrate asm/system.h for Sparc
Disintegrate asm/system.h for SH
Disintegrate asm/system.h for Score
Disintegrate asm/system.h for S390
Disintegrate asm/system.h for PowerPC
Disintegrate asm/system.h for PA-RISC
Disintegrate asm/system.h for MN10300
...
This branch contains a handful of updates of SoC base code that had
dependencies on other external trees that have now been merged:
* Support for the new EXYNOS5250 SoC from Samsung
* SMP and power domain support for Tegra3 from NVIDIA
* ux500 updates for exporting SoC information through sysfs
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Merge tag 'soc2' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc
Pull "ARM: More SoC support updates" from Olof Johansson:
"This branch contains a handful of updates of SoC base code that had
dependencies on other external trees that have now been merged:
* Support for the new EXYNOS5250 SoC from Samsung
* SMP and power domain support for Tegra3 from NVIDIA
* ux500 updates for exporting SoC information through sysfs"
Fix up trivial merge conflicts as per Olof.
* tag 'soc2' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (30 commits)
ARM: mach-shmobile: ap4evb: Reserve DMA memory for the frame buffer
ARM: EXYNOS: Fix compilation error with mach-exynos4-dt board
ARM: dts: add initial dts file for EXYNOS5250, SMDK5250
ARM: EXYNOS: add support device tree enabled board file for EXYNOS5
ARM: EXYNOS: add support ARCH_EXYNOS5 for EXYNOS5 SoCs
ARM: EXYNOS: add support get_core_count() for EXYNOS5250
ARM: EXYNOS: support EINT for EXYNOS4 and EXYNOS5
ARM: EXYNOS: add interrupt definitions for EXYNOS5250
ARM: EXYNOS: add support for EXYNOS5250 SoC
ARM: EXYNOS: add support uart for EXYNOS4 and EXYNOS5
ARM: EXYNOS: add initial setup-i2c0 for EXYNOS5
ARM: EXYNOS: add clock part for EXYNOS5250 SoC
ARM: EXYNOS: use exynos_init_uarts() instead of exynos4_init_uarts()
ARM: EXYNOS: to declare static for mach-exynos/common.c
ARM: EXYNOS: Add clkdev lookup entry for lcd clock
ARM: dt: Explicitly configure all serial ports on Tegra Cardhu
ARM: tegra: support for secondary cores on Tegra30
ARM: tegra: support for Tegra30 CPU powerdomains
ARM: tegra: add support for Tegra30 powerdomains
ARM: tegra: export tegra_powergate_is_powered()
...
Disintegrate asm/system.h for ARM.
Signed-off-by: David Howells <dhowells@redhat.com>
cc: Russell King <linux@arm.linux.org.uk>
cc: linux-arm-kernel@lists.infradead.org
Avoid namespace conflicts with drivers over the CP15 definitions by
moving CP15 related prototypes and definitions to a private header
file.
Acked-by: Stephen Warren <swarren@nvidia.com>
Tested-by: Stephen Warren <swarren@nvidia.com> [Tegra]
Acked-by: H Hartley Sweeten <hsweeten@visionengravers.com>
Tested-by: H Hartley Sweeten <hsweeten@visionengravers.com> [EP93xx]
Acked-by: Nicolas Pitre <nico@linaro.org>
Acked-by: Kukjin Kim <kgene.kim@samsung.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
Signed-off-by: David Howells <dhowells@redhat.com>
* 'for-3.4/fixes-for-io-cleanup' of git://git.kernel.org/pub/scm/linux/kernel/git/swarren/linux-tegra:
ARM: tegra: Include assembler.h in sleep.S to fix build break
These are all specific to some driver. They are typically the platform
side of a change in the drivers directory, such as adding a new driver
or extending the interface to the platform. In cases where there is no
maintainer for the driver, or the maintainer prefers to have the
platform changes in the same branch as the driver changes, the patches
to the drivers are included as well.
A much smaller set of driver updates that depend on other branches
getting merged first will be sent later.
The new export of tegra_chip_uid conflicts with other changes in fuse.c.
In rtc-sa1100.c, the global removal of IRQF_DISABLED conflicts with
the cleanup of the interrupt handling of that driver.
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
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Merge tag 'drivers' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc
Pull "ARM: driver specific updates" from Arnd Bergmann:
"These are all specific to some driver. They are typically the
platform side of a change in the drivers directory, such as adding a
new driver or extending the interface to the platform. In cases where
there is no maintainer for the driver, or the maintainer prefers to
have the platform changes in the same branch as the driver changes,
the patches to the drivers are included as well.
A much smaller set of driver updates that depend on other branches
getting merged first will be sent later.
The new export of tegra_chip_uid conflicts with other changes in
fuse.c. In rtc-sa1100.c, the global removal of IRQF_DISABLED
conflicts with the cleanup of the interrupt handling of that driver.
Signed-off-by: Arnd Bergmann <arnd@arndb.de>"
Fixed up aforementioned trivial conflicts.
* tag 'drivers' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (94 commits)
ARM: SAMSUNG: change the name from s3c-sdhci to exynos4-sdhci
mmc: sdhci-s3c: add platform data for the second capability
ARM: SAMSUNG: support the second capability for samsung-soc
ARM: EXYNOS: add support DMA for EXYNOS4X12 SoC
ARM: EXYNOS: Add apb_pclk clkdev entry for mdma1
ARM: EXYNOS: Enable MDMA driver
regulator: Remove bq24022 regulator driver
rtc: sa1100: add OF support
pxa: magician/hx4700: Convert to gpio-regulator from bq24022
ARM: OMAP3+: SmartReflex: fix error handling
ARM: OMAP3+: SmartReflex: fix the use of debugfs_create_* API
ARM: OMAP3+: SmartReflex: micro-optimization for sanity check
ARM: OMAP3+: SmartReflex: misc cleanups
ARM: OMAP3+: SmartReflex: move late_initcall() closer to its argument
ARM: OMAP3+: SmartReflex: add missing platform_set_drvdata()
ARM: OMAP3+: hwmod: add SmartReflex IRQs
ARM: OMAP3+: SmartReflex: clear ERRCONFIG_VPBOUNDINTST only on a need
ARM: OMAP3+: SmartReflex: Fix status masking in ERRCONFIG register
ARM: OMAP3+: SmartReflex: Add a shutdown hook
ARM: OMAP3+: SmartReflex Class3: disable errorgen before disable VP
...
Conflicts:
arch/arm/mach-tegra/Makefile
arch/arm/mach-tegra/fuse.c
drivers/rtc/rtc-sa1100.c
These changes are all specific to one board only. We're trying to keep
the number of board files low, but generally board level updates are
ok on platforms that are working on moving towards DT based probing,
which will eventually lead to removing them.
The board-ams-delta.c board file gets a conflict between the removal of
ams_delta_config and the addition of a lot of other data. The Kconfig
file has two changes in the same line, and in exynos, the power domain
cleanup conflicts with the addition of the image sensor device.
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
[olof: Amended a fix for a mismerge to board-omap4panda.c]
Signed-off-by: Olof Johansson <olof@lixom.net>
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Merge tag 'boards' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc
Pull "ARM: board specific updates" from Arnd Bergmann/Olof Johansson:
"These changes are all specific to one board only. We're trying to
keep the number of board files low, but generally board level updates
are ok on platforms that are working on moving towards DT based
probing, which will eventually lead to removing them.
The board-ams-delta.c board file gets a conflict between the removal
of ams_delta_config and the addition of a lot of other data. The
Kconfig file has two changes in the same line, and in exynos, the
power domain cleanup conflicts with the addition of the image sensor
device.
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
[olof: Amended a fix for a mismerge to board-omap4panda.c]
Signed-off-by: Olof Johansson <olof@lixom.net>"
Fixed up some fairly trivial conflicts manually.
* tag 'boards' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (82 commits)
i.MX35-PDK: Add Camera support
ARM : mx35: 3ds-board: add framebuffer device
pxa/hx4700: Remove pcmcia platform_device structure
ARM: pxa/hx4700: Reduce sleep mode battery discharge by 35%
ARM: pxa/hx4700: Remove unwanted request for GPIO105
ARM: EXYNOS: support Exynos4210-bus Devfreq driver on Nuri board
ARM: EXYNOS: Register JPEG on nuri
ARM: EXYNOS: Register JPEG on universal_c210
ARM: S5PV210: Enable JPEG on SMDKV210
ARM: S5PV210: Add JPEG board definition
ARM: EXYNOS: Enable JPEG on Origen
ARM: EXYNOS: Enable JPEG on SMDKV310
ARM: EXYNOS: Add __init attribute to universal_camera_init()
ARM: EXYNOS: Add __init attribute to nuri_camera_init()
ARM: S5PV210: Enable FIMC on SMDKC110
ARM: S5PV210: Enable FIMC on SMDKV210
ARM: S5PV210: Enable MFC on SMDKC110
ARM: S5PV210: Enable MFC on SMDKV210
ARM: EXYNOS: Enable G2D on SMDKV310
ARM: tegra: update defconfig
...
These changes are all specific to an soc family or the code for
one soc. Lots of work for Tegra3 this time, but also a lot of other
platforms. There will be another (smaller) set of soc patches later in
the merge window for stuff that has dependencies on external trees or
that was sent just before the merge window opened.
The asoc tree added a few devices to the i.mx platform, which conflict
with other devices added in the same place here.
The tegra Makefile conflicts between a number of branches, mostly because
of changes regarding localtimer.c, which was removed in the end.
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
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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:
"These changes are all specific to an soc family or the code for one
soc. Lots of work for Tegra3 this time, but also a lot of other
platforms. There will be another (smaller) set of soc patches later
in the merge window for stuff that has dependencies on external trees
or that was sent just before the merge window opened.
The asoc tree added a few devices to the i.mx platform, which conflict
with other devices added in the same place here.
The tegra Makefile conflicts between a number of branches, mostly
because of changes regarding localtimer.c, which was removed in the
end.
Signed-off-by: Arnd Bergmann <arnd@arndb.de>"
Fix up some trivial conflicts, including the mentioned Tegra Makefile.
* tag 'soc' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (51 commits)
ARM: EXYNOS: fix cycle count for periodic mode of clock event timers
ARM: EXYNOS: add support JPEG
ARM: EXYNOS: Add DMC1, allow PPMU access for DMC
ARM: SAMSUNG: Correct MIPI-CSIS io memory resource definition
ARM: SAMSUNG: fix __init attribute on regarding s3c_set_platdata()
ARM: SAMSUNG: Add __init attribute to samsung_bl_set()
ARM: S5PV210: Add usb otg phy control
ARM: S3C64XX: Add usb otg phy control
ARM: EXYNOS: Enable l2 configuration through device tree
ARM: EXYNOS: remove useless code to save/restore L2
ARM: EXYNOS: save L2 settings during bootup
ARM: S5P: add L2 early resume code
ARM: EXYNOS: Add support AFTR mode on EXYNOS4210
ARM: mx35: Setup the AIPS registers
ARM: mx5: Use common function for configuring AIPS
ARM: mx3: Setup AIPS registers
ARM: mx3: Let mx31 and mx35 enter in LPM mode in WFI
ARM: defconfig: imx_v6_v7: build in REGULATOR_FIXED_VOLTAGE
ARM: imx: update imx_v6_v7_defconfig
ARM: tegra: Demote EMC clock inconsistency BUG to WARN
...
These are split out from the generic soc and driver updates because
there was a lot of conflicting work by multiple people. Marc Zyngier
worked on simplifying the "localtimer" interfaces, and some of the
platforms are touching the same code as they move to device tree
based booting.
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
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Merge tag 'timer' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc
Pull "ARM: timer cleanup work" from Arnd Bergmann:
"These are split out from the generic soc and driver updates because
there was a lot of conflicting work by multiple people. Marc Zyngier
worked on simplifying the "localtimer" interfaces, and some of the
platforms are touching the same code as they move to device tree based
booting.
Signed-off-by: Arnd Bergmann <arnd@arndb.de>"
* tag 'timer' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (61 commits)
ARM: tegra: select USB_ULPI if USB is selected
arm/tegra: pcie: fix return value of function
ARM: ux500: fix compilation after local timer rework
ARM: shmobile: remove additional __io() macro use
ARM: local timers: make the runtime registration interface mandatory
ARM: local timers: convert MSM to runtime registration interface
ARM: local timers: convert exynos to runtime registration interface
ARM: smp_twd: remove old local timer interface
ARM: imx6q: convert to twd_local_timer_register() interface
ARM: highbank: convert to twd_local_timer_register() interface
ARM: ux500: convert to twd_local_timer_register() interface
ARM: shmobile: convert to twd_local_timer_register() interface
ARM: tegra: convert to twd_local_timer_register() interface
ARM: plat-versatile: convert to twd_local_timer_register() interface
ARM: OMAP4: convert to twd_local_timer_register() interface
ARM: smp_twd: add device tree support
ARM: smp_twd: add runtime registration support
ARM: local timers: introduce a new registration interface
ARM: smp_twd: make local_timer_stop a symbol instead of a #define
ARM: mach-shmobile: default to no earlytimer
...
Quite a bit of code gets removed, and some stuff moved around, mostly
the old samsung s3c24xx stuff. There should be no functional changes
in this series otherwise. Some cleanups have dependencies on other
arm-soc branches and will be sent in the second round.
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
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Merge tag 'cleanup' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc
Pull "ARM: global cleanups" from Arnd Bergmann:
"Quite a bit of code gets removed, and some stuff moved around, mostly
the old samsung s3c24xx stuff. There should be no functional changes
in this series otherwise. Some cleanups have dependencies on other
arm-soc branches and will be sent in the second round.
Signed-off-by: Arnd Bergmann <arnd@arndb.de>"
Fixed up trivial conflicts mainly due to #include's being changes on
both sides.
* tag 'cleanup' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (121 commits)
ep93xx: Remove unnecessary includes of ep93xx-regs.h
ep93xx: Move EP93XX_SYSCON defines to SoC private header
ep93xx: Move crunch code to mach-ep93xx directory
ep93xx: Make syscon access functions private to SoC
ep93xx: Configure GPIO ports in core code
ep93xx: Move peripheral defines to local SoC header
ep93xx: Convert the watchdog driver into a platform device.
ep93xx: Use ioremap for backlight driver
ep93xx: Move GPIO defines to gpio-ep93xx.h
ep93xx: Don't use system controller defines in audio drivers
ep93xx: Move PHYS_BASE defines to local SoC header file
ARM: EXYNOS: Add clock register addresses for EXYNOS4X12 bus devfreq driver
ARM: EXYNOS: add clock registers for exynos4x12-cpufreq
PM / devfreq: update the name of EXYNOS clock registers that were omitted
PM / devfreq: update the name of EXYNOS clock register
ARM: EXYNOS: change the prefix S5P_ to EXYNOS4_ for clock
ARM: EXYNOS: use static declaration on regarding clock
ARM: EXYNOS: replace clock.c for other new EXYNOS SoCs
ARM: OMAP2+: Fix build error after merge
ARM: S3C24XX: remove call to s3c24xx_setup_clocks
...
Commit 6f6f6a7 "ARM: create a common IOMEM definition" moved macro
IOMEM(), and requires users to include <asm/assembler.h>. Fix Tegra's
sleep.S to do so. This fixes:
arch/arm/mach-tegra/sleep.S: Assembler messages:
arch/arm/mach-tegra/sleep.S:77: Error: missing ')'
arch/arm/mach-tegra/sleep.S:77: Error: garbage following instruction
-- `movw r0,#:lower16:(0x60007000-0x60000000+IOMEM(0xFE200000))'
Note: This only shows up after 0a25893 "ARM: tegra: update defconfig"
Signed-off-by: Stephen Warren <swarren@wwwdotorg.org>
Pull #1 ARM updates from Russell King:
"This one covers stuff which Arnd is waiting for me to push, as this is
shared between both our trees and probably other trees elsewhere.
Essentially, this contains:
- AMBA primecell device initializer updates - mostly shrinking the
size of the device declarations in platform code to something more
reasonable.
- Getting rid of the NO_IRQ crap from AMBA primecell stuff.
- Nicolas' idle cleanups. This in combination with the restart
cleanups from the last merge window results in a great many
mach/system.h files being deleted."
Yay: ~80 files, ~2000 lines deleted.
* 'for-armsoc' of git://git.linaro.org/people/rmk/linux-arm: (60 commits)
ARM: remove disable_fiq and arch_ret_to_user macros
ARM: make entry-macro.S depend on !MULTI_IRQ_HANDLER
ARM: rpc: make default fiq handler run-time installed
ARM: make arch_ret_to_user macro optional
ARM: amba: samsung: use common amba device initializers
ARM: amba: spear: use common amba device initializers
ARM: amba: nomadik: use common amba device initializers
ARM: amba: u300: use common amba device initializers
ARM: amba: lpc32xx: use common amba device initializers
ARM: amba: netx: use common amba device initializers
ARM: amba: bcmring: use common amba device initializers
ARM: amba: ep93xx: use common amba device initializers
ARM: amba: omap2: use common amba device initializers
ARM: amba: integrator: use common amba device initializers
ARM: amba: realview: get rid of private platform amba_device initializer
ARM: amba: versatile: get rid of private platform amba_device initializer
ARM: amba: vexpress: get rid of private platform amba_device initializer
ARM: amba: provide common initializers for static amba devices
ARM: amba: make use of -1 IRQs warn
ARM: amba: u300: get rid of NO_IRQ initializers
...
they contain two new IOMMU drivers for the ARM Tegra 2 and 3 platforms.
Besides that there are also a few patches for the AMD IOMMU which
prepare the driver for adding intr-remapping support and a couple of
fixes.
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Merge tag 'iommu-updates-v3.4' of git://git.kernel.org/pub/scm/linux/kernel/git/joro/iommu
Pull IOMMU updates from Joerg Roedel:
"The IOMMU updates for this round are not very large patch-wise. But
they contain two new IOMMU drivers for the ARM Tegra 2 and 3
platforms. Besides that there are also a few patches for the AMD
IOMMU which prepare the driver for adding intr-remapping support and a
couple of fixes."
* tag 'iommu-updates-v3.4' of git://git.kernel.org/pub/scm/linux/kernel/git/joro/iommu:
iommu/amd: Fix section mismatch
iommu/amd: Move interrupt setup code into seperate function
iommu/amd: Make sure IOMMU interrupts are re-enabled on resume
iommu/amd: Fix section warning for prealloc_protection_domains
iommu/amd: Don't initialize IOMMUv2 resources when not required
iommu/amd: Update git-tree in MAINTAINERS
iommu/tegra-gart: fix spin_unlock in map failure path
iommu/amd: Fix double free of mem-region in error-path
iommu/amd: Split amd_iommu_init function
ARM: IOMMU: Tegra30: Add iommu_ops for SMMU driver
ARM: IOMMU: Tegra20: Add iommu_ops for GART driver
Pull PCI changes (including maintainer change) from Jesse Barnes:
"This pull has some good cleanups from Bjorn and Yinghai, as well as
some more code from Yinghai to better handle resource re-allocation
when enabled.
There's also a new initcall_debug feature from Arjan which will print
out quirk timing information to help identify slow quirks for fixing
or refinement (Yinghai sent in a few patches to do just that once the
new debug code landed).
Beyond that, I'm handing off PCI maintainership to Bjorn Helgaas.
He's been a core PCI and Linux contributor for some time now, and has
kindly volunteered to take over. I just don't feel I have the time
for PCI review and work that it deserves lately (I've taken on some
other projects), and haven't been as responsive lately as I'd like, so
I approached Bjorn asking if he'd like to manage things. He's going
to give it a try, and I'm confident he'll do at least as well as I
have in keeping the tree managed, patches flowing, and keeping things
stable."
Fix up some fairly trivial conflicts due to other cleanups (mips device
resource fixup cleanups clashing with list handling cleanup, ppc iseries
removal clashing with pci_probe_only cleanup etc)
* 'linux-next' of git://git.kernel.org/pub/scm/linux/kernel/git/jbarnes/pci: (112 commits)
PCI: Bjorn gets PCI hotplug too
PCI: hand PCI maintenance over to Bjorn Helgaas
unicore32/PCI: move <asm-generic/pci-bridge.h> include to asm/pci.h
sparc/PCI: convert devtree and arch-probed bus addresses to resource
powerpc/PCI: allow reallocation on PA Semi
powerpc/PCI: convert devtree bus addresses to resource
powerpc/PCI: compute I/O space bus-to-resource offset consistently
arm/PCI: don't export pci_flags
PCI: fix bridge I/O window bus-to-resource conversion
x86/PCI: add spinlock held check to 'pcibios_fwaddrmap_lookup()'
PCI / PCIe: Introduce command line option to disable ARI
PCI: make acpihp use __pci_remove_bus_device instead
PCI: export __pci_remove_bus_device
PCI: Rename pci_remove_behind_bridge to pci_stop_and_remove_behind_bridge
PCI: Rename pci_remove_bus_device to pci_stop_and_remove_bus_device
PCI: print out PCI device info along with duration
PCI: Move "pci reassigndev resource alignment" out of quirks.c
PCI: Use class for quirk for usb host controller fixup
PCI: Use class for quirk for ti816x class fixup
PCI: Use class for quirk for intel e100 interrupt fixup
...
- Switches the PXA 168, 910 and MMP over to use pinctrl
- Locking revamped
- Massive refactorings...
- Reform the driver API to use multiple states
- Support pin config in the mapping tables
- Pinctrl drivers for the nVidia Tegra series
- Generic pin config support lib for simple pin controllers
- Implement pin config for the U300
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Merge tag 'pinctrl-for-3.4' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-pinctrl
Pull pinctrl updates for v3.4 from Linus Walleij (*):
- Switches the PXA 168, 910 and MMP over to use pinctrl
- Locking revamped
- Massive refactorings...
- Reform the driver API to use multiple states
- Support pin config in the mapping tables
- Pinctrl drivers for the nVidia Tegra series
- Generic pin config support lib for simple pin controllers
- Implement pin config for the U300
* tag 'pinctrl-for-3.4' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-pinctrl: (48 commits)
ARM: u300: configure some pins as an example
pinctrl: support pinconfig on the U300
pinctrl/coh901: use generic pinconf enums and parameters
pinctrl: introduce generic pin config
pinctrl: fix error path in pinconf_map_to_setting()
pinctrl: allow concurrent gpio and mux function ownership of pins
pinctrl: forward-declare struct device
pinctrl: split pincontrol states into its own header
pinctrl: include machine header to core.h
ARM: tegra: Select PINCTRL Kconfig variables
pinctrl: add a driver for NVIDIA Tegra
pinctrl: Show selected function and group in pinmux-pins debugfs
pinctrl: enhance mapping table to support pin config operations
pinctrl: API changes to support multiple states per device
pinctrl: add usecount to pins for muxing
pinctrl: refactor struct pinctrl handling in core.c vs pinmux.c
pinctrl: fix and simplify locking
pinctrl: fix the pin descriptor kerneldoc
pinctrl: assume map table entries can't have a NULL name field
pinctrl: introduce PINCTRL_STATE_DEFAULT, define hogs as that state
...
(*) What is it with all these Linuses these days? There's a Linus at
google too. Some day I will get myself my own broadsword, and run
around screaming "There can be only one".
I used to be _special_ dammit. Snif.
Pull input subsystem updates from Dmitry Torokhov:
"- we finally merged driver for USB version of Synaptics touchpads
(I guess most commonly found in IBM/Lenovo keyboard/touchpad combo);
- a bunch of new drivers for embedded platforms (Cypress
touchscreens, DA9052 OnKey, MAX8997-haptic, Ilitek ILI210x
touchscreens, TI touchscreen);
- input core allows clients to specify desired clock source for
timestamps on input events (EVIOCSCLOCKID ioctl);
- input core allows querying state of all MT slots for given event
code via EVIOCGMTSLOTS ioctl;
- various driver fixes and improvements."
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input: (45 commits)
Input: ili210x - add support for Ilitek ILI210x based touchscreens
Input: altera_ps2 - use of_match_ptr()
Input: synaptics_usb - switch to module_usb_driver()
Input: convert I2C drivers to use module_i2c_driver()
Input: convert SPI drivers to use module_spi_driver()
Input: omap4-keypad - move platform_data to <linux/platform_data>
Input: kxtj9 - who_am_i check value and initial data rate fixes
Input: add driver support for MAX8997-haptic
Input: tegra-kbc - revise device tree support
Input: of_keymap - add device tree bindings for simple key matrices
Input: wacom - fix physical size calculation for 3rd-gen Bamboo
Input: twl4030-vibra - really switch from #if to #ifdef
Input: hp680_ts_input - ensure arguments to request_irq and free_irq are compatible
Input: max8925_onkey - avoid accessing input device too early
Input: max8925_onkey - allow to be used as a wakeup source
Input: atmel-wm97xx - convert to dev_pm_ops
Input: atmel-wm97xx - set driver owner
Input: add cyttsp touchscreen maintainer entry
Input: cyttsp - remove useless checks in cyttsp_probe()
Input: usbtouchscreen - add support for Data Modul EasyTouch TP 72037
...
Commit 4a53f4e "USB: ehci-tegra: add probing through device tree" added
AUXDATA for Tegra's USB/EHCI controller. However, it pointed the platform
data at a location containing the address of the intended platform data,
rather than the platform data itself. This change fixes that.
Signed-off-by: Stephen Warren <swarren@wwwdotorg.org>
Cc: <stable@vger.kernel.org> # 3.3
Conflicts:
arch/arm/mach-tegra/Makefile
arch/arm/mach-vexpress/core.h
The tegra Makefile was changed in four different branches
in the same line. This merge should reduce the amount
of churn.
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
* 'for-3.4/cleanup-and-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/olof/tegra:
ARM: tegra: select USB_ULPI if USB is selected
arm/tegra: pcie: fix return value of function
arm/tegra: add timeout to PCIe PLL lock detection loop
arm/tegra: fix harmony pinmux for PCIe
Automatically select USB_ULPI if USB is enabled on Tegra.
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Alan Ott <alan@signal11.us>
Acked-by: Stephen Warren <swarren@nvidia.com>
Signed-off-by: Olof Johansson <olof@lixom.net>
In previous patch (arm/tegra: add timeout to PCIe PLL lock detection loop)
tegra_pcie_enable_controller() function type has been changed from
void to int, but the last return statement wasn't converted, so
function returns undefined value. Fix it.
Also while at it, address couple of minor concerns raised by reviewers:
use usleep_range for delay, and lower the value of timeout to 300ms
to be consistent with Nvidia Vibrante kernel.
Signed-off-by: Dmitry Artamonow <mad_soft@inbox.ru>
Acked-by: Stephen Warren <swarren@wwwdotorg.org>
Signed-off-by: Olof Johansson <olof@lixom.net>
Conflicts:
arch/arm/mach-tegra/common.c
arch/arm/mach-ux500/devices-common.c
This resolves two conflicts and lets us merge the exynos5 branch
cleanly.
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Several platforms create IOMEM defines for casting to 'void __iomem *',
and other platforms are incorrectly using __io() macro for the same
purpose. This creates a common definition and removes all the platform
specific versions. Rather than try to make linux/io.h and asm/io.h
assembly safe, the assembly version of IOMEM is moved into
asm/assembler.h.
Signed-off-by: Rob Herring <rob.herring@calxeda.com>
Cc: Russell King <linux@arm.linux.org.uk>
Cc: Sekhar Nori <nsekhar@ti.com>
Cc: Kevin Hilman <khilman@ti.com>
Acked-by: H Hartley Sweeten <hsweeten@visionengravers.com>
Cc: Ryan Mallon <rmallon@gmail.com>
Cc: Eric Miao <eric.y.miao@gmail.com>
Cc: Haojian Zhuang <haojian.zhuang@marvell.com>
Acked-by: David Brown <davidb@codeaurora.org>
Cc: Daniel Walker <dwalker@fifo99.com>
Cc: Bryan Huntsman <bryanh@codeaurora.org>
Cc: Sascha Hauer <kernel@pengutronix.de>
Cc: Shawn Guo <shawn.guo@linaro.org>
Acked-by: Tony Lindgren <tony@atomide.com>
Acked-by: Paul Walmsley <paul@pwsan.com>
Acked-by: Viresh Kumar <viresh.kumar@st.com>
Cc: Rajeev Kumar <rajeev-dlh.kumar@st.com>
Cc: Colin Cross <ccross@android.com>
Cc: Olof Johansson <olof@lixom.net>
Cc: Stephen Warren <swarren@nvidia.com>
Acked-by: Linus Walleij <linus.walleij@linaro.org>
Acked-by: Arnd Bergmann <arnd@arndb.de>
Add support for the new smp_twd runtime registration interface
to the tegra platforms, and remove the old compile-time support.
Tested on Harmony.
Acked-by: Stephen Warren <swarren@nvidia.com>
Cc: Colin Cross <ccross@android.com>
Cc: Olof Johansson <olof@lixom.net>
Signed-off-by: Marc Zyngier <marc.zyngier@arm.com>
Tegra PCIe driver waits for PLL to lock using busy loop.
If PLL fails to lock for some reason, this leads to silent lockup
while booting (as PCIe code is not modular).
Fix by adding timeout, so if PLL doesn't lock in a couple
of seconds, just PCIe driver fails and machine continues to boot.
Signed-off-by: Dmitry Artamonow <mad_soft@inbox.ru>
Acked-by: Stephen Warren <swarren@wwwdotorg.org>
Signed-off-by: Olof Johansson <olof@lixom.net>
