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Changes made as suggested by Eric Miao (including fix to map_io
silly mistake!).
Originally designed by Intel, now sold by Crossbow (www.xbow.com).
Very little actually on board. The patch includes sensors and
similar as found on commonly occurring daughter boards.
Some of the drivers are not in mainline as yet as they are either
part of the IIO subsystem or need a lot of work before submission.
What is the position wrt to putting them in i2c board configs etc?
Support for these boards has been maintained outside the kernel
for a long time, but now that there is a good da9030 pmic driver
available the last major hurdle no longer exists.
All comments welcomed.
The Imote2's big brother (stargate2) will follow once any problems
with this one have been cleaned up and a few bits and bobs have
been added to the da903x driver. Hopefully the cc2420 driver will
get cleaned up and submitted in the not too distant future as
well.
Signed-off-by: Jonathan Cameron <jic23@cam.ac.uk>
Acked-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Signed-off-by: Eric Miao <eric.miao@marvell.com>
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I2C platform data setups.
Signed-off-by: Daniel Ribeiro <drwyrm@gmail.com>
Signed-off-by: Stefan Schmidt <stefan@datenfreihafen.org>
Signed-off-by: Eric Miao <eric.miao@marvell.com>
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Matrix and single key setups for all phones.
Signed-off-by: Daniel Ribeiro <drwyrm@gmail.com>
Signed-off-by: Stefan Schmidt <stefan@datenfreihafen.org>
Signed-off-by: Antonio Ospite <ospite@studenti.unina.it>
Signed-off-by: Eric Miao <eric.miao@marvell.com>
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Pin configs for different generations and phones.
Signed-off-by: Daniel Ribeiro <drwyrm@gmail.com>
Signed-off-by: Stefan Schmidt <stefan@datenfreihafen.org>
Signed-off-by: Eric Miao <eric.miao@marvell.com>
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Our bootloader now supports ATAGS_MEM
Signed-off-by: Daniel Ribeiro <drwyrm@gmail.com>
Signed-off-by: Stefan Schmidt <stefan@datenfreihafen.org>
Signed-off-by: Eric Miao <eric.miao@marvell.com>
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Signed-off-by: Jaya Kumar <jayakumar.lkml@gmail.com>
Cc: Andre Puschmann <andre.puschmann@imms.de>
Signed-off-by: Eric Miao <eric.miao@marvell.com>
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Some smart panel requires a delay between command sequences, while PXA
LCD controller didn't provide such one, let's emulate this by software.
A software delay marker can be inserted into the command sequence, once
pxafb_smart_queue() detects this, it flushes the previous commands and
delay for a specified number of milliseconds.
Signed-off-by: Eric Miao <eric.miao@marvell.com>
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For smart panels (LCD panel with internal framebuffer), the following
LCCR3 register bits have different meanings than the parallel one:
LCCR3_PCP - controls the L_PCLK_WR polarity
LCCR3_HSP - controls the L_LCLK_A0 polarity
LCCR3_VSP - controls the L_FCLK_RD polarity
To keep minimum change to the original parallel timing, the .lcd_conn
flags and 'pxafb_mode_info.sync' are re-used to reflect this:
LCD_PCLK_EDGE_{RISE,FALL} - configures LCCR3_PCP
sync & FB_SYNC_{HOR,VERT}_HIGH_ACT - configures LCCR3_{HSP,VSP}
Signed-off-by: Eric Miao <eric.miao@marvell.com>
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Signed-off-by: Eric Miao <eric.miao@marvell.com>
Cc: Richard Purdie <rpurdie@rpsys.net>
Cc: Ian Molton <spyro@f2s.com>
Cc: pHilipp Zabel <philipp.zabel@gmail.com>
Cc: Marek Vasut <marek.vasut@gmail.com>
Cc: Guennadi Liakhovetski <g.liakhovetski@gmx.de>
Cc: Juergen Schindele <linux@schindele.name>
Acked-by: Stefan Schmidt <stefan@datenfreihafen.org>
Acked-by: Marc Zyngier <maz@misterjones.org>
Acked-by: Mike Rapoport <mike@compulab.co.il>
Acked-by: Jaya Kumar <jayakumar.lkml@gmail.com>
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Signed-off-by: Eric Miao <eric.miao@marvell.com>
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This patch adds HP iPAQ h5000's (h5400, h5500) basic definitions.
Kernel will able to boot, work via serial console, mount filesystems
placed on flashes and run USB gadgets (g_ether by default).
Other device drivers (frame buffer, LCD, touchscreen, backlight,
bluetooth, w1/battery, ...) are depend on SAMCOP and MediaQ
SoCs/MFDs, drivers to which will be submitted too, after massive
cleanups.
This machine will be used as "real user" for these new drivers.
This is an updated version of the patch, which contains fixes proposed on
linux-arm-kernel mailing list.
Signed-off-by: Anton Vorontsov <cbouatmailru@gmail.com>
Signed-off-by: Milan Plzik <milan.plzik@gmail.com>
Signed-off-by: Eric Miao <eric.miao@marvell.com>
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Add mapping for system ROM using physmap-flash mapping.
Signed-off-by: Dmitry Baryshkov <dbaryshkov@gmail.com>
Signed-off-by: Eric Miao <eric.miao@marvell.com>
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Add mapping for system ROM using physmap-flash mapping.
Signed-off-by: Dmitry Baryshkov <dbaryshkov@gmail.com>
Signed-off-by: Eric Miao <eric.miao@marvell.com>
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Add mapping for system ROM using physmap-flash mapping.
Signed-off-by: Dmitry Baryshkov <dbaryshkov@gmail.com>
Signed-off-by: Eric Miao <eric.miao@marvell.com>
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Add mapping for system ROM using physmap-flash mapping.
Signed-off-by: Dmitry Baryshkov <dbaryshkov@gmail.com>
Signed-off-by: Eric Miao <eric.miao@marvell.com>
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Signed-off-by: Dmitry Baryshkov <dbaryshkov@gmail.com>
Signed-off-by: Eric Miao <eric.miao@marvell.com>
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Add platform data necessary to support tmiofb on tosa.
Signed-off-by: Dmitry Baryshkov <dbaryshkov@gmail.com>
Signed-off-by: Eric Miao <eric.miao@marvell.com>
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Take advantage of the newly created wm97xx battery driver
and remove useless code in mioa701 board code. Add also the
ac connection detect capability after the matching gpio was
discovered.
Signed-off-by: Robert Jarzmik <robert.jarzmik@free.fr>
Signed-off-by: Eric Miao <eric.miao@marvell.com>
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The charger enable gpio is straight (1 means draw from USB
Vbus, 0 mean do not draw). The USB Vbus sensing is inverted
(1 means no Vbus voltage sensed, 0 means Vbus voltage
present).
Signed-off-by: Robert Jarzmik <robert.jarzmik@free.fr>
Signed-off-by: Eric Miao <eric.miao@marvell.com>
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Change the halt and reboot method from gpio based to "jump
to ROM IPL beginning". This gives control back to IPL, which
without PowerOn key pressed, will put the device into deep
sleep until PowerOn is pressed for 1 second.
But this has the benefit of keeping the RTC registers across
reboots, which is good for OS change.
Signed-off-by: Robert Jarzmik <robert.jarzmik@free.fr>
Signed-off-by: Eric Miao <eric.miao@marvell.com>
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Add GPIO configuration and platform specific declarations
to make Mitac Mio A701 camera chip work. The chip is a
Micron MT9M111 CMOS sensor, based on PXA QIF interface and
I2C bus for sensor control.
Signed-off-by: Robert Jarzmik <robert.jarzmik@free.fr>
Signed-off-by: Eric Miao <eric.miao@marvell.com>
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Since mioa701 board has migrated to the mfp architecture,
low power gpio setup is now correctly handled even when gpio
led driver is not loaded, and leds and vibrator don't stay
activated in suspend mode (especially vibrator).
Remove the not needed anymore dependency.
Signed-off-by: Robert Jarzmik <robert.jarzmik@free.fr>
Signed-off-by: Eric Miao <eric.miao@marvell.com>
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Add IO memory and IRQ ressources for pxa based SoC to be
able to use the new rtc-pxa driver.
Signed-off-by: Robert Jarzmik <robert.jarzmik@free.fr>
Signed-off-by: Eric Miao <eric.miao@marvell.com>
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This patch implements Eric Miao's idea to detect the correct value of
sdram_rows by inspecting the MDCNFG register settings.
It is only tested on two pxa27x devices with 64MB RAM (magician and
hx4700) so far.
Signed-off-by: Philipp Zabel <philipp.zabel@gmail.com>
Signed-off-by: Eric Miao <eric.miao@marvell.com>
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Following the removal of the "->policy" usage for PXA255 in patch
459fc208abd1b365fa013c17d433dfb5b4bc1e3a (cpufreq: remove
policy->governor setting in drivers initialization), this patch
introduces an option (called "pxa255_turbo_table") to select either
the "run" or "turbo" frequency table.
It also cures the runtime warning that was printed each time the
frequency was changed.
Got rid of all references to CPUFREQ_POLICY_* for pxa255, and sticked
with the run/turbo thing.
Tested on an Arcom/Eurotech Viper.
Signed-off-by: Marc Zyngier <maz@misterjones.org>
Acked-by: Dominik Brodowski <linux@dominikbrodowski.net>
Signed-off-by: Eric Miao <eric.miao@marvell.com>
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GPIO3/GPIO4 are a bit special on pxa27x, since it depends on PCFR/PI2C_EN
bit, add their definitions here with comments.
Signed-off-by: Eric Miao <eric.miao@marvell.com>
Acked-by: Stefan Schmidt <stefan@datenfreihafen.org>
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Signed-off-by: Eric Miao <eric.miao@marvell.com>
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Signed-off-by: Eric Miao <eric.miao@marvell.com>
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Signed-off-by: Eric Miao <eric.miao@marvell.com>
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Let's put these devices into a central place even if they are now
processor specific, as they might be re-used in later processors.
Signed-off-by: Eric Miao <eric.miao@marvell.com>
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Signed-off-by: Eric Miao <eric.miao@marvell.com>
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for the reference of __REG() within <mach/hardware.h>
Signed-off-by: Eric Miao <eric.miao@marvell.com>
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Signed-off-by: Eric Miao <eric.miao@marvell.com>
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Signed-off-by: Eric Miao <eric.miao@marvell.com>
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The optimal change would be to move the AC97 register definitions into
the AC97 driver, unfortunately, the registers are shared between several
files. Move them into a dedicated regs-ac97.h first.
Signed-off-by: Eric Miao <eric.miao@marvell.com>
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Signed-off-by: Eric Miao <eric.miao@marvell.com>
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Signed-off-by: Eric Miao <eric.miao@marvell.com>
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There two are internal registers that are used to control the power
management of the Internal Memory (i.e. Internal SRAM). They are
referenced nowhere and removed here to simplify pxa-regs.h a bit.
Signed-off-by: Eric Miao <eric.miao@marvell.com>
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We now have generic PWM API for PXA, the PWM registers definitions are
now used nowhere, and it is not encouraged to manipulate them directly
by driver code.
Signed-off-by: Eric Miao <eric.miao@marvell.com>
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Signed-off-by: Eric Miao <eric.miao@marvell.com>
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Signed-off-by: Eric Miao <eric.miao@marvell.com>
Acked-by: Guennadi Liakhovetski <g.liakhovetski@gmx.de>
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pxa_gpio_{get,set}_value() are not used anymore, remove them from hardware.h.
Declaration of pxa_gpio_mode() is still being referenced and thus moved into
pxa2xx-gpio.h
Signed-off-by: Eric Miao <eric.miao@marvell.com>
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Signed-off-by: Eric Miao <eric.miao@marvell.com>
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Original patch from Marek Vasut, the problems with PXA26x are:
1. there are additional 4 GPIOs 86,87,88,89 have their direction bits
inverted in GPDR2, as well as their alternate function bits being
'1' for their GPIO functionality in GAFRx
2. there is no easy way to decide if the processor is a pxa26x or a
pxa250/pxa255 at run-time, so the assumption here is the pxa26x
will be treated as one of the pxa25x variants, and board code
should have a better knowledge of the processor it is featured
Introduce pxa26x_init_irq() for the second purpose, and treat the
additional GPIOs > 85 on PXA25x specially.
Kconfig option CONFIG_CPU_PXA26x is introduced to optimize the code
a bit when PXA26x support isn't needed. Board config options have
to select this to enable the support for PXA26x.
__gpio_is_inverted() will be optimized way when CONFIG_CPU_PXA26x
isn't selected.
Signed-off-by: Marek Vasut <marek.vasut@gmail.com>
Signed-off-by: Eric Miao <eric.miao@marvell.com>
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This reverts commit da1a3dc0ebb4f9209a1939eaa6b18901e0cd7bc0.
The originally proposed way in the above commit is incorrect. And
there is no easy way to distinguish between pxa25x and pxa26x at
run-time.
Signed-off-by: Eric Miao <eric.miao@marvell.com>
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The 'gpio_nr' can really be inferred by 'pxa_last_gpio', and since we
already have that variable, remove the unnecessary 'gpio_nr' now.
Also, fix the incorrect GPIO number passed in pxa27x_init_irq().
Note: pxa_last_gpio should be initialized earlier, and this is true
since it's been assigned in machine_desc->init_irq().
Signed-off-by: Eric Miao <eric.miao@marvell.com>
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PXA SoC have several GPIOs muxed on only one wakeup source.
Add support for these wakeup sources which were missing
in mfp core support.
Signed-off-by: Robert Jarzmik <robert.jarzmik@free.fr>
Signed-off-by: Eric Miao <eric.miao@marvell.com>
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strings
This patch makes do_hw_reset the default reboot behavior when nothing
else matches. This restores reboot functionality on gumstix basix
devices where reboot=cold is the default boot argument.
Signed-off-by: Jaya Kumar <jayakumar.lkml@gmail.com>
Acked-by: Eric Miao <eric.miao@marvell.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
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The original incorrect configuration caused GPIO79_nCS_3 being overriden,
thus resulted in the NAND flash not being detected. The real PSKTSEL pin
is on GPIO104 instead of GPIO79.
Signed-off-by: Eric Miao <eric.miao@marvell.com>
Cc: Richard Purdie <rpurdie@rpsys.net>
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Signed-off-by: Eric Miao <eric.miao@marvell.com>
Cc: Richard Purdie <rpurdie@rpsys.net>
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