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* 'for-linus' of master.kernel.org:/home/rmk/linux-2.6-arm: (241 commits)
[ARM] 5171/1: ep93xx: fix compilation of modules using clocks
[ARM] 5133/2: at91sam9g20 defconfig file
[ARM] 5130/4: Support for the at91sam9g20
[ARM] 5160/1: IOP3XX: gpio/gpiolib support
[ARM] at91: Fix NAND FLASH timings for at91sam9x evaluation kits.
[ARM] 5084/1: zylonite: Register AC97 device
[ARM] 5085/2: PXA: Move AC97 over to the new central device declaration model
[ARM] 5120/1: pxa: correct platform driver names for PXA25x and PXA27x UDC drivers
[ARM] 5147/1: pxaficp_ir: drop pxa_gpio_mode calls, as pin setting
[ARM] 5145/1: PXA2xx: provide api to control IrDA pins state
[ARM] 5144/1: pxaficp_ir: cleanup includes
[ARM] pxa: remove pxa_set_cken()
[ARM] pxa: allow clk aliases
[ARM] Feroceon: don't disable BPU on boot
[ARM] Orion: LED support for HP mv2120
[ARM] Orion: add RD88F5181L-FXO support
[ARM] Orion: add RD88F5181L-GE support
[ARM] Orion: add Netgear WNR854T support
[ARM] s3c2410_defconfig: update for current build
[ARM] Acer n30: Minor style and indentation fixes.
...
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This includes PXA work up to the SPI changes for the initial merge,
since e172274ccc55d20536fbdceb6131f38e288541e0 depends on the SPI
tree being merged.
Conflicts:
arch/arm/configs/em_x270_defconfig
arch/arm/configs/xm_x270_defconfig
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Conflicts:
arch/arm/mm/Kconfig
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'omap-reviewed', 'rpc', 'rtc' and 's3c' into devel
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Support for the at91sam9g20 : Atmel 400Mhz ARM 926ej-s SOC.
AT91sam9g20 is an evolution of the at91sam9260 with a faster clock
speed.
We created a new board for this device but based the chip support
directly on 9260 files with little updates.
Here is the chip page on Atmel wabsite:
http://atmel.com/dyn/products/product_card.asp?part_id=4337
Signed-off-by: Sedji Gaouaou <sedji.gaouaou@atmel.com>
Signed-off-by: Justin Waters <justin.waters@timesys.com>
Acked-by: Andrew Victor <linux@maxim.org.za>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
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This patch brings support for gpio/gpiolib framework to Intel IOP3xx
platforms.
Signed-off-by: Arnaud Patard <arnaud.patard@rtp-net.org>
Acked-by: Dan Williams <dan.j.williams@intel.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
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As well as moving all the device declarations to a single one in devices.c
this causes all platforms to register the I/O and interrupt resources for
the AC97 controller.
Cc: eric miao <eric.miao@marvell.com>
Cc: Mike Rapoport <mike@compulab.co.il>
Cc: Lennert Buytenhek <buytenh@wantstofly.org>
Cc: Jürgen Schindele <linux@schindele.name>
Cc: Juergen Beisert <jbe@pengutronix.de>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
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Provide a set of functions to control state of pins dedicated to IrDA.
Signed-off-by: Dmitry Baryshkov <dbaryshkov@gmail.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
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pxa_set_cken() is now unused, remove it.
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
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Warn people when using pxa2xx-gpio.h as it is only here for backwards
compatibility. The new mfp-pxa2[57]x.h and the relevant API should be used
instead.
Signed-off-by: Stefan Schmidt <stefan@datenfreihafen.org>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
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The Phytec phyCORE-i.MX27 CPU module is delivered with the PCM970
baseboard by default. This patch adds support for the hardware.
This code is only an empty stub; it is filled up with functionality
in a later patch series.
Signed-off-by: Juergen Beisert <j.beisert@pengutronix.de>
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This patch adds support for the phyCORE-i.MX27 cpu module (aka pcm038).
It is as generic as possible in order to support any kind of baseboard.
Note: This CPU module implementation can't work without a baseboard
support. Baseboard support can be added by the PCM-970 (included in
this patch stack) or any custom variant.
Signed-off-by: Juergen Beisert <j.beisert@pengutronix.de>
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This patch adds basic support for the Freescale MX27ADS reference board.
Currently only a serial console can be used.
Signed-off-by: Juergen Beisert <j.beisert@pengutronix.de>
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Add basic i.MX27 CPU support
Signed-off-by: Juergen Beisert <j.beisert@pengutronix.de>
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This patch adds basic mach support for the mx2 processor family, based
on the original freescale code and adapted to mainline kernel coding
style.
Signed-off-by: Juergen Beisert <j.beisert@pengutronix.de>
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This patch adds GPIO multiplexing support for the imx1/mxc2
family of procesors.
Signed-off-by: Juergen Beisert <j.beisert@pengutronix.de>
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Simplify architecture's irq headers and sources, to share these files
between MXC3 and MXC2.
Signed-off-by: Juergen Beisert <j.beisert@pengutronix.de>
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This patch adds basic support for i.MX31 LiteKit by LogicPD.
With printascii() in kernel/printk.c, it boots right into the
rootfs-panic.
Note: This is a modified version of Daniel's patch to fit into this patch
stack.
> On 09.06.2008, at 17:26, Russell King - ARM Linux wrote:
>
> > I would much prefer it if board specific includes were included by the
> > code which needs them rather than in asm/arch/hardware.h. With the
> > device model, drivers shouldn't need to include any board specific
> > includes - only the board specific C file should need it.
>
> The new version of this patch (#5102) has been uploaded to the patch
> tracker this morning.
Signed-off-by: Daniel Mack <daniel@caiaq.de>
--
arch/arm/configs/mx31litekit_defconfig | 1100 ++++++++++++++++++++++++++++++
arch/arm/mach-mx3/Kconfig | 7
arch/arm/mach-mx3/Makefile | 1
arch/arm/mach-mx3/mx31lite.c | 96 ++
include/asm-arm/arch-mxc/board-mx31lite.h | 38 +
include/asm-arm/arch-mxc/debug-macro.S | 3
6 files changed, 1245 insertions(+)
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This patch adds basic board support for phytecs pmc037 board.
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
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This patch adds debug-macro.S for arch-mxc
Disadvantage: Due to the board specific UART definition, these macros (and
compile time) will fail for multi board kernels.
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
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This patch adds timer support for the i.MX machine family. This code can
be used on the following machs:
- i.MX1 (tested)
- i.MX2 (i.MX21 (to be tested), i.MX27 (tested))
- i.MX3 (i.MX31 (tested))
TODO: It seems impossible to build a kernel for more than one CPU because the
timer do not follow the platform device rules. So it does only work if
timer 1 can be accessed on all CPUs at the same address.
Signed-off-by: Juergen Beisert <j.beisert@pengutronix.de>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
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This patch adds functions to use the io multiplexer on mx3 platforms.
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
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This patch bases on the one from Daniel Mack. The most important change to
Daniel's patch is to be more generic. This gpio routine supports at least
the i.MX27 and i.MX31 processors.
Signed-off-by: Juergen Beisert <j.beisert@pengutronix.de>
Acked-by: Daniel Mack <daniel@caiaq.de>
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This patch adds MX3 support for the i.MX internal uart driver.
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
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This patch introduces the clock API for for arch-mxc
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
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Internal clock path handling for the mxc CPUs.
Changed against the original Freescale code (and against clocklib for example):
- clock rate is always calculated whenever one ask for the current rate
(means struct clk has no more a member called "rate"). So switching the PLL
base frequency will propagate immediately to all other clocks that are
depending on this frequency.
Signed-off-by: Juergen Beisert <j.beisert@pengutronix.de>
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This patch introduces the clock API for i.MX and converts all
in-Kernel drivers to use it.
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
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Add platform specific init functions. Also rename the struct
platform_device dev into pdev.
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
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do not include board-mx31ads.h from hardware.h, instead include it
directly only where needed.
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
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Add support for PWM in the S3C24XX series of SoC via the
PWM API.
Signed-off-by: Ben Dooks <ben-linux@fluff.org>
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For s3c2412, set parent for clk_erefclk and clk_urefclk.
This allow for example to use xtal or extclk for i2s clock.
Signed-off-by: Ben Dooks <ben-linux@fluff.org>
Signed-off-by: Matthieu Castet <matthieu.castet@parrot.com>
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Add timer defines for the MUX settings for
each of the PWM timers to add to the per-timer
defines already in the file.
Signed-off-by: Ben Dooks <ben-linux@fluff.org>
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Add support for gpilib on all S3C24XX platforms.
Signed-off-by: Ben Dooks <ben-linux@fluff.org>
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imx_dma_request_by_prio can return channel number by itself.
No need to supply variable address through parameters.
Also converted all drivers using this function.
Signed-off-by: Paulius Zaleckas <paulius.zaleckas@teltonika.lt>
Acked-by: Sascha Hauer <s.hauer@pengutronix.de>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
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This patch adds the I-cache invalidation in update_mmu_cache if the
corresponding vma is marked as executable. It also invalidates the
I-cache if a thread migrates to a CPU it never ran on.
Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
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Acked-by: Dan Williams <dan.j.williams@intel.com>
Signed-off-by: Vegard Nossum <vegard.nossum@gmail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
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Conflicts:
arch/arm/Kconfig
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ecard_address() is obsolete, and has been marked deprecated since
at least 2.6.12-rc2. All in-tree users have been updated to use
the new approach, so it's time to remove this.
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
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Now everything is converted to use MMIO accessors, these helpers
are no longer required.
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
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Patch mostly by Eric Miao, minor edits by rmk.
Signed-off-by: eric miao <eric.miao@marvell.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
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This patch adds a new rate rounding algorithm for DPLL clocks on the
OMAP2/3 architecture.
For a desired DPLL target rate, there may be several
multiplier/divider (M, N) values which will generate a sufficiently
close rate. Lower N values result in greater power economy. However,
lower N values can cause the difference between the rounded rate and
the target rate ("rate error") to be larger than it would be with a
higher N. This can cause downstream devices to run more slowly than
they otherwise would.
This DPLL rate rounding algorithm:
- attempts to find the lowest possible N (DPLL divider) to reach the
target_rate (since, according to Richard Woodruff <r-woodruff@ti.com>,
lower N values save more power than higher N values).
- allows developers to set an upper bound on the error between the
rounded rate and the desired target rate ("rate tolerance"), so an
appropriate balance between rate fidelity and power savings can be
set. This maximum rate error tolerance is set via
omap2_set_dpll_rate_tolerance().
- never returns a rounded rate higher than the target rate.
The rate rounding algorithm caches the last rounded M, N, and rate
computation to avoid rounding the rate twice for each clk_set_rate()
call. (This patch does not yet implement set_rate for DPLLs; that
follows in a future patch.)
The algorithm trades execution speed for rate accuracy. It will find
the (M, N) set that results in the least rate error, within a
specified rate tolerance. It does this by evaluating each divider
setting - on OMAP3, this involves 128 steps. Another approach to DPLL
rate rounding would be to bail out as soon as a valid rate is found
within the rate tolerance, which would trade rate accuracy for
execution speed. Alternate implementations welcome.
This code is not yet used by the OMAP24XX DPLL clock, since it
is currently defined as a composite clock, fusing the DPLL M,N and the
M2 output divider. This patch also renames the existing OMAP24xx DPLL
programming functions to highlight that they program both the DPLL and
the DPLL's output multiplier.
Signed-off-by: Paul Walmsley <paul@pwsan.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
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This patch adds support for DPLL autoidle control to the OMAP3 clock
framework. These functions will be used by the noncore DPLL enable
and disable code - this is because, according to the CDP code, the
DPLL autoidle status must be saved and restored across DPLL
lock/bypass/off transitions.
N.B.: the CORE DPLL (DPLL3) has three autoidle mode options, rather
than just two. This code currently does not support the third option,
low-power bypass autoidle.
Signed-off-by: Paul Walmsley <paul@pwsan.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
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Add a new OMAP chip identification interface, omap_chip_id.
omap_chip_id is a structure which contains one bit for each OMAP2/3
CPU type, and on 3430, ES level. For example, the CHIP_IS_OMAP2420
bit is set in omap_chip at boot on an OMAP2420. On OMAP3430ES2, both
CHIP_IS_OMAP3430 and CHIP_IS_OMAP3430ES2 bits are set.
omap_chip is set in mach-omap2/id.c by _set_omap_chip(). Other
code should use the omap_chip_is() function to test against omap_chip.
Also, clean up id.c by splitting some code out of
omap_check_revision() into its own function, _set_system_rev(); and
converting some debug printk()s into pr_debug().
Second revision.
Signed-off-by: Paul Walmsley <paul@pwsan.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
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New struct omap_globals contains the omap processor specific
module bases. Use omap_globals to set the various base addresses
to make detecting omap chip type simpler.
Also introduce OMAP1_IO_ADDRESS and OMAP2_IO_ADDRESS for future multi-omap
patches.
Signed-off-by: Tony Lindgren <tony@atomide.com>
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This does not play nicely with multi-omap as it cannot be replaced
by a function in io.c for omaps with different IO bases.
Signed-off-by: Tony Lindgren <tony@atomide.com>
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Change omap USB code to use omap_read/write instead of __REG for multi-omap
Cc: David Brownell <david-b@pacbell.net>
Cc: linux-usb@vger.kernel.org
Cc: i2c@lm-sensors.org
Signed-off-by: Tony Lindgren <tony@atomide.com>
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of __REG
Change omap_cf.c and omap_nor.c to use omap_readw/writew instead of __REG.
This is needed for multi-omap in the future.
Cc: David Brownell <david-b@pacbell.net>
Cc: linux-pcmcia@lists.infradead.org
Cc: linux-mtd@lists.infradead.org
Signed-off-by: Tony Lindren <tony@atomide.com>
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debugfs can provide the infrastructure to trace the dependencies of
clock tree hierarchy quite visibly. This patch enables to keep track
of clock tree hierarchy and expose their attributes under each clock
directry as below:
omap:~# tree -d -L 2 /debug/clock/omap_32k_fck/
/debug/clock/omap_32k_fck/
|-- gpt10_fck
|-- gpt11_fck
|-- gpt1_fck
|-- per_32k_alwon_fck
| |-- gpio2_fck
| |-- gpio3_fck
| |-- gpio4_fck
| |-- gpio5_fck
| |-- gpio6_fck
| `-- wdt3_fck
|-- ts_fck
`-- wkup_32k_fck
|-- gpio1_fck
`-- wdt2_fck
14 directories
omap:~# tree /debug/clock/omap_32k_fck/gpt10_fck/
/debug/clock/omap_32k_fck/gpt10_fck/
|-- flags
|-- rate
`-- usecount
0 directories, 3 files
Although, compared with David Brownell's small patch, this may look
bit overkilling, I expect that this debugfs can deal with other PRCM
complexities at the same time. For example, powerdomain dependencies
can be expressed by using symbolic links of these clocks if
powerdomain supports dubgfs as well.
Signed-off-by: Hiroshi DOYU <Hiroshi.DOYU@nokia.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
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