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Pass clocksource pointer to the read() callback for clocksources. This
allows us to share the callback between multiple instances.
[hugh@veritas.com: fix powerpc build of clocksource pass clocksource mods]
[akpm@linux-foundation.org: cleanup]
Signed-off-by: Magnus Damm <damm@igel.co.jp>
Acked-by: John Stultz <johnstul@us.ibm.com>
Cc: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Hugh Dickins <hugh@veritas.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Move ifdef under function brackets. This fixes compile crach when IRQ priorities
are disabled.
Signed-off-by: Darius Augulis <augulis.darius@gmail.com>
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Signed-off-by: Paulius Zaleckas <paulius.zaleckas@teltonika.lt>
Cc: Sascha Hauer <s.hauer@pengutronix.de>
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Signed-off-by: Valentin Longchamp <valentin.longchamp@epfl.ch>
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This also adds the pins used on mx31moboard for WP and CD
Signed-off-by: Valentin Longchamp <valentin.longchamp@epfl.ch>
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Add I2C pin definitions for MX31 SoC
Signed-off-by: Vladimir Barinov <vbarinov@embeddedalley.com>
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Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
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Set the correct clkdev-name for the i2c clock.
It also get's rid of the ARCH_NR_GPIOS define on the rationale
that isn't an ARCH-wide setting anyway. If a device has two
pca953x devices, the reserved number will be wrong.
Signed-off-by: Holger Schurig <hs4233@mail.mn-solutions.de>
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* 'i2c-for-2630-v2' of git://aeryn.fluff.org.uk/bjdooks/linux:
i2c: imx: Make disable_delay a per-device variable
i2c: xtensa s6000 i2c driver
powerpc/85xx: i2c-mpc: use new I2C bindings for the Socates board
i2c: i2c-mpc: make I2C bus speed configurable
i2c: i2c-mpc: use dev based printout function
i2c: i2c-mpc: various coding style fixes
i2c: imx: Add missing request_mem_region in probe()
i2c: i2c-s3c2410: Initialise Samsung I2C controller early
i2c-s3c2410: Simplify bus frequency calculation
i2c-s3c2410: sda_delay should be in ns, not clock ticks
i2c: iMX/MXC support
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Implementation of I2C Adapter/Algorithm Driver for I2C Bus integrated
in Freescale's i.MX/MXC processors.
Signed-off-by: Darius Augulis <augulis.darius@gmail.com>
Tested-by: Sascha Hauer <s.hauer@pengutronix.de>
Reviewed-by: Wolfram Sang <w.sang@pengutronix.de>
Signed-off-by: Ben Dooks <ben-linux@fluff.org>
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Add support for CMOS Sensor Interface on i.MX1 and i.MXL SoCs.
create mode 100644 arch/arm/mach-mx1/ksym_mx1.c
create mode 100644 arch/arm/mach-mx1/mx1_camera_fiq.S
create mode 100644 arch/arm/plat-mxc/include/mach/mx1_camera.h
create mode 100644 drivers/media/video/mx1_camera.c
Signed-off-by: Paulius Zaleckas <paulius.zaleckas@teltonika.lt>
Signed-off-by: Darius Augulis <augulis.darius@gmail.com>
Acked-by: Sascha Hauer <s.hauer@pengutronix.de>
Signed-off-by: Guennadi Liakhovetski <g.liakhovetski@gmx.de>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
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Tested with 8 bit Bayer and 8 bit monochrome video.
create mode 100644 arch/arm/plat-mxc/include/mach/mx3_camera.h
create mode 100644 drivers/media/video/mx3_camera.c
Signed-off-by: Guennadi Liakhovetski <lg@denx.de>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
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This patch adds arch_reset() function for all mxc platforms.
It also removes (unsused) arch/arm/mach-mx2/system.c file.
This patch has been tested on i.MX1/27/31/35
Signed-off-by: Ilya Yanok <yanok@emcraft.com>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
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OMAP wishes to pass state to the boot loader upon reboot in order to
instruct it whether to wait for USB-based reflashing or not. There is
already a facility to do this via the reboot() syscall, except we ignore
the string passed to machine_restart().
This patch fixes things to pass this string to arch_reset(). This means
that we keep the reboot mode limited to telling the kernel _how_ to
perform the reboot which should be independent of what we request the
boot loader to do.
Acked-by: Tony Lindgren <tony@atomide.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
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git://git.kernel.org/pub/scm/linux/kernel/git/djbw/async_tx into devel
Conflicts:
drivers/video/mx3fb.c
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Conflicts:
arch/arm/mach-at91/gpio.c
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This patch adds basic support for Dave/DENX QongEVB-LITE i.MX31-based
board. It includes support for clocks initialization, UART1, NOR-flash,
FPGA-attached NAND flash and DNET ethernet controller (inside FPGA).
Signed-off-by: Ilya Yanok <yanok@emcraft.com>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
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Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
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This patch adds clkdev support for i.MX31. This is done in a
similar way done previously for i.MX27
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
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This patch adds clock support for i.MX35 SoCs. We do not support setting
of clock rates yet, but most interesting clock rates should be reported.
I couldn't test all clock rates and the datasheet contains some obvious
bugs, so expect some bugs in this code.
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
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We had hardcoded cpu_is_ macros for mxc architectures till now. As we
want to run the same kernel on i.MX31 and i.MX35 this patch adds cpu_is_
macros which expand to 0 or 1 if only one architecture is compiled in and
only check for the cpu type if more than one architecture is compiled
in.
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
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This patch moves the stuff common to i.MX31 and i.MX35 to mx3x.h and the
specifics to mx31.h/mx35.h. We can build a kernel which runs on i.MX31 and
i.MX35, so always include mx31.h and mx35.h
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
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This enables our mx31moboard to be used on the different baseboards that
we are developping according to the application needs. There are not
many differences between the boards for now, but when other peripherals
are available for mx31 the differences are going to grow.
v2: takes Sascha's comments into account
Signed-off-by: Valentin Longchamp <valentin.longchamp@epfl.ch>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
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Signed-off-by: Valentin Longchamp <valentin.longchamp@epfl.ch>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
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Make sure not to create spurious pulses on GPIOs, when configuring them as
output: first set required level, then switch direction.
Signed-off-by: Guennadi Liakhovetski <lg@denx.de>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
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Signed-off-by: Holger Schurig <hs4233@mail.mn-solutions.de>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
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Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
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This driver has been tested on MX27/MX31. It should work on MX1/MX1
aswell, but the actual setting of the PWM is missing so far.
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
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Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
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This new implemenatation avoids that two physical pins are claimed by
the same driver (also with the the gpr hardware modes).
The gpio kernel lib is also called when a capable gpio pin is assigned
its gpio function.
The mxc_iomux_mode function is still here for backward compatibility but
should not be used anymore.
V2:
In the precendent revision, the iomux code was claiming a pin when its
hardware mode was changed. This was uncorrect: when the hardware mode is
changed, the pin must still be claimed through the iomux.
In order to have a pin working in mode hw2, we must fist issue the
mxc_iomux_set_gpr call and then the corresponding mxc_iomux_mode calls
with the FUNC mode (usually done with mxc_iomux_setup_multiple_pins).
The reverse calls must be done to fee the pins.
Signed-off-by: Valentin Longchamp <valentin.longchamp@epfl.ch>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
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Several of the macros in mx31ads.h depend on mx31.h which is no longer
included in quite so many standard headers as it once was. Include it
directly so we can build.
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
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This patch mimicks what Martin wrote on the mailing list:
* move arch/arm/mach-imx/include/mach/imxfb.h into
arch/arm/mach-mxc/include/mach/imxfb.h
* changes Kconfig so that CONFIG_FB_IMX is selectable
* adds a platform device (copied from some pengutronix
patches)
Signed-off-by: Holger Schurig <hs4233@mail.mn-solutions.de>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
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Based on code from "Martin Fuzzey" <mfuzzey@gmail.com>
Signed-off-by: Holger Schurig <hs4233@mail.mn-solutions.de>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
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* define new CONFIG_ARCH_MX21 (this one is currently mutually exclusive to
CONFIG_ARCH_MX27, but this might change)
* splits one header file. Memory definitions, interrupt sources,
DMA channels are split into common part, i.MX27 specific and i.MX21
specific.
* guard access to UART5/UART6, which don't exist on i.MX21
Signed-off-by: Holger Schurig <hs4233@mail.mn-solutions.de>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
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Here are some of the warnings that get fixed by this:
> 200 times: warning: cast adds address space to expression (<asn:2>)
twelve times: warning: symbol 'xxx' was not declared. Should it be static
two times: warning: symbol 'clock' shadows an earlier one
five times: warning: incorrect type in initializer (different address spaces)
Signed-off-by: Holger Schurig <hs4233@mail.mn-solutions.de>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
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This changes MX27 to use common clkdev. It also cleans up MX27 clock
support to be more readable.
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
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This patch only adds general clkdev support without actually switching
any MXC architecture to clkdev.
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
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The context makes it clear already that these are clocks, so there's
no need for such a suffix. This patch only changes the clocks actually
used in the tree. The remaining clocks are renamed in the subsequent
architecture specific patches.
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
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- rename mxc_clocks_init to architecture specific versions. This
allows us to have more than one architecture compiled in.
- call mxc_timer_init from clock initialisation instead from board
code
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
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We had 3 versions of this function in clock support for MX1/2/3
Use a single one instead. I picked the one from the MX3 as it seems
to calculate more accurate as the other ones. Also, on MX27 and MX31 mfn
can be negative, this hasn't been handled correctly on MX27 since now.
This patch has been tested on MX27 and MX31 and produces the same clock
frequencies for me.
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
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* adds Kconfig variables
* specifies different physical address for i.MX21 because of the
different memory layouts
* disables support for UART5/UART6 in the i.MX serial driver
(the i.MX21 doesn't have those modules)
Based on code from "Martin Fuzzey" <mfuzzey@gmail.com>
Signed-off-by: Holger Schurig <hs4233@mail.mn-solutions.de>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
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* removed iomux-mx1-mx2.h completely
* distributes the former contents to four different files (iomux-mx1.h,
iomux-mx21.h, iomux-mx27.h and the file iomux-mx2x.h, which is common to
both i.MX21 and i.MX27).
* adds all documented IOMUX definitions for i.MX21 and i.MX27
* fixes a few that were wrong (PD14_AOUT_FEC_CLR, PE16_AF_RTCK).
* don't silenly include <linux/io.h>
* and fixes all collateral damage from above
Signed-off-by: Holger Schurig <hs4233@mail.mn-solutions.de>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
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This is a framebuffer driver for i.MX31 SoCs. It only supports synchronous
displays, vertical panning supported, no overlay support.
Signed-off-by: Guennadi Liakhovetski <lg@denx.de>
Acked-by: Sascha Hauer <s.hauer@pengutronix.de>
Signed-off-by: Dan Williams <dan.j.williams@intel.com>
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This reverts commit 86528da229a448577a8401a17c295883640d336c.
This version of the patch was tab-to-space corrupted before
application.
Signed-off-by: Dan Williams <dan.j.williams@intel.com>
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Conflicts:
arch/arm/plat-mxc/dma-mx1-mx2.c
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This patch adds a MX2/MX3 specific SDHC driver. The hardware is basically
the same as in the MX1, but unlike the MX1 controller the MX2
controller just works as expected. Since the MX1 driver has more
workarounds for bugs than anything else I had no success with supporting
MX1 and MX2 in a sane way in one driver.
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
Signed-off-by: Pierre Ossman <drzeus@drzeus.cx>
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This is a framebuffer driver for i.MX31 SoCs. It only supports synchronous
displays, vertical panning supported, no overlay support.
Acked-by: Sascha Hauer <s.hauer@pengutronix.de>
Signed-off-by: Guennadi Liakhovetski <lg@denx.de>
Signed-off-by: Dan Williams <dan.j.williams@intel.com>
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i.MX3x SoCs contain an Image Processing Unit, consisting of a Control
Module (CM), Display Interface (DI), Synchronous Display Controller (SDC),
Asynchronous Display Controller (ADC), Image Converter (IC), Post-Filter
(PF), Camera Sensor Interface (CSI), and an Image DMA Controller (IDMAC).
CM contains, among other blocks, an Interrupt Generator (IG) and a Clock
and Reset Control Unit (CRCU). This driver serves IDMAC and IG. They are
supported over dmaengine and irq-chip APIs respectively.
IDMAC is a specialised DMA controller, its DMA channels cannot be used for
general-purpose operations, even though it might be possible to configure
a memory-to-memory channel for memcpy operation. This driver will not work
with generic dmaengine clients, clients, wishing to use it must use
respective wrapper structures, they also must specify which channels they
require, as channels are hard-wired to specific IPU functions.
Acked-by: Sascha Hauer <s.hauer@pengutronix.de>
Signed-off-by: Guennadi Liakhovetski <lg@denx.de>
Signed-off-by: Dan Williams <dan.j.williams@intel.com>
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Implementation of USB device driver integrated in Freescale's i.MXL
processor.
Adds USB device driver for i.MXL.
Signed-off-by: Darius Augulis <augulis.darius@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip
* 'cpus4096-for-linus-2' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip: (66 commits)
x86: export vector_used_by_percpu_irq
x86: use logical apicid in x2apic_cluster's x2apic_cpu_mask_to_apicid_and()
sched: nominate preferred wakeup cpu, fix
x86: fix lguest used_vectors breakage, -v2
x86: fix warning in arch/x86/kernel/io_apic.c
sched: fix warning in kernel/sched.c
sched: move test_sd_parent() to an SMP section of sched.h
sched: add SD_BALANCE_NEWIDLE at MC and CPU level for sched_mc>0
sched: activate active load balancing in new idle cpus
sched: bias task wakeups to preferred semi-idle packages
sched: nominate preferred wakeup cpu
sched: favour lower logical cpu number for sched_mc balance
sched: framework for sched_mc/smt_power_savings=N
sched: convert BALANCE_FOR_xx_POWER to inline functions
x86: use possible_cpus=NUM to extend the possible cpus allowed
x86: fix cpu_mask_to_apicid_and to include cpu_online_mask
x86: update io_apic.c to the new cpumask code
x86: Introduce topology_core_cpumask()/topology_thread_cpumask()
x86: xen: use smp_call_function_many()
x86: use work_on_cpu in x86/kernel/cpu/mcheck/mce_amd_64.c
...
Fixed up trivial conflict in kernel/time/tick-sched.c manually
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