Pull input layer updates from Dmitry Torokhov:
- evdev interface has been adjusted to extend the life of timestamps on
32 bit systems to the year of 2108
- Synaptics RMI4 driver's PS/2 guest handling ha beed updated to
improve chances of detecting trackpoints on the pass-through port
- mms114 touchcsreen controller driver has been updated to support
generic device properties and work with mms152 cntrollers
- Goodix driver now supports generic touchscreen properties
- couple of drivers for AVR32 architecture are gone as the architecture
support has been removed from the kernel
- gpio-tilt driver has been removed as there are no mainline users and
the driver itself is using legacy APIs and relies on platform data
- MODULE_LINECSE/MODULE_VERSION cleanups
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input: (45 commits)
Input: goodix - use generic touchscreen_properties
Input: mms114 - fix typo in definition
Input: mms114 - use BIT() macro instead of explicit shifting
Input: mms114 - replace mdelay with msleep
Input: mms114 - add support for mms152
Input: mms114 - drop platform data and use generic APIs
Input: mms114 - mark as direct input device
Input: mms114 - do not clobber interrupt trigger
Input: edt-ft5x06 - fix error handling for factory mode on non-M06
Input: stmfts - set IRQ_NOAUTOEN to the irq flag
Input: auo-pixcir-ts - delete an unnecessary return statement
Input: auo-pixcir-ts - remove custom log for a failed memory allocation
Input: da9052_tsi - remove unused mutex
Input: docs - use PROPERTY_ENTRY_U32() directly
Input: synaptics-rmi4 - log when we create a guest serio port
Input: synaptics-rmi4 - unmask F03 interrupts when port is opened
Input: synaptics-rmi4 - do not delete interrupt memory too early
Input: ad7877 - use managed resource allocations
Input: stmfts,s6sy671 - add SPDX identifier
Input: remove atmel-wm97xx touchscreen driver
...
Since AVR32 arch is gone, atmel-wm97xx driver is useless. In theory it
could have been rewritten to work with AT91 devices, but the driver is from
the platform data era, and a bit hard coded to work on AVR32 hardware
variant of the AC97C peripheral, so let's remove it.
Signed-off-by: Corentin Labbe <clabbe.montjoie@gmail.com>
Acked-by: Hans-Christian Noren Egtvedt <egtvedt@samfundet.no>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
Pull input updates from Dmitry Torokhov:
- three new touchscreen drivers: EETI EXC3000, HiDeep, and Samsung
S6SY761
- the timer API conversion (setup_timer() -> timer_setup())
- a few drivers swiytched to using managed API for creating custom
device attributes
- other assorted fixed and cleanups.
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input: (50 commits)
Input: gamecon - mark expected switch fall-throughs
Input: sidewinder - mark expected switch fall-throughs
Input: spaceball - mark expected switch fall-throughs
Input: uinput - unlock on allocation failure in ioctl
Input: add support for the Samsung S6SY761 touchscreen
Input: add support for HiDeep touchscreen
Input: st1232 - remove obsolete platform device support
Input: convert autorepeat timer to use timer_setup()
media: ttpci: remove autorepeat handling and use timer_setup
Input: cyttsp4 - avoid overflows when calculating memory sizes
Input: mxs-lradc - remove redundant assignment to pointer input
Input: add I2C attached EETI EXC3000 multi touch driver
Input: goodix - support gt1151 touchpanel
Input: ps2-gpio - actually abort probe when connected to sleeping GPIOs
Input: hil_mlc - convert to using timer_setup()
Input: hp_sdc - convert to using timer_setup()
Input: touchsceen - convert timers to use timer_setup()
Input: keyboard - convert timers to use timer_setup()
Input: uinput - fold header into the driver proper
Input: uinput - remove uinput_allocate_device()
...
The S6SY761 touchscreen is a capicitive multi-touch controller
for mobile use. It's connected with i2c at the address 0x48.
This commit provides a basic version of the driver which can
handle only initialization, touch events and power states.
The controller is controlled by a firmware which, in the version
I currently have, doesn't provide all the possible
functionalities mentioned in the datasheet.
Signed-off-by: Andi Shyti <andi.shyti@samsung.com>
Acked-by: Rob Herring <robh@kernel.org>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
The HiDeep touchscreen device is a capacitive multi-touch controller
mainly for multi-touch supported devices use. It use I2C interface for
communication to IC and provide axis X, Y, Z locations for ten finger
touch through input event interface to userspace.
It support the Crimson and the Lime two type IC. They are different
the number of channel supported and FW size. But the working protocol
is same.
Signed-off-by: Anthony Kim <anthony.kim@hideep.com>
Acked-by: Rob Herring <robh+dt@kernel.org>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
The 3000 series have a new protocol which allows to report up to 5 points
in a single 66 byte frame. One must always read in 66 byte frames.
To support up to 10 points, two consecutive frames need to be read:
The first frame says how many points until sync.
The second frame must say zero points or both frames must be discarded.
To be able to work with the higher 400KHz I2C bus rate, one must
successfully send a special package prior _each_ read or the controller
will refuse to cooperate.
This is a minimal implementation based on egalax_i2c.c (which can be found
on the internet) and egalax_ts.c but without the vendor interface and no
power management support.
Signed-off-by: Ahmet Inan <inan@distec.de>
Acked-by: Rob Herring <robh@kernel.org>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
Change control of TOUCHSCREEN_USB_EASYTOUCH prompt string from
EMBEDDED to EXPERT to match the rest of this Kconfig file.
Signed-off-by: Randy Dunlap <rdunlap@infradead.org>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
This adds support for the new AC97 bus code, which discovers the devices
rather than uses platform data.
As part of this discovery, it enables a multi-function device wm97xx,
which supports touchscreen, battery, ADC and an audio codec. This patch
adds the code to bind the touchscreen "cell" as the touchscreen driver.
This was tested on the pxa architecture with a pxa270 + wm9713 + the
mioa701 touchscreen.
Signed-off-by: Robert Jarzmik <robert.jarzmik@free.fr>
Acked-by: Charles Keepax <ckeepax@opensource.wolfsonmicro.com>
Acked-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
The stmfts (ST-Microelectronics FingerTip S) touchscreen device is a
capacitive multi-touch controller mainly for mobile use. It's connected
through i2c bus at the address 0x49 and it interfaces with userspace
through input event interface.
At the current state it provides a touchscreen multitouch functionality up
to 10 fingers. Each finger is enumerated with a distinctive id (from 0 to
9).
If enabled the device can support single "touch" hovering, by providing
three coordinates, x, y and distance.
It is possible to select the touchkey functionality which provides a basic
two keys interface for "home" and "back" menu, typical in mobile phones.
Signed-off-by: Andi Shyti <andi.shyti@samsung.com>
Reviewed-by: Javier Martinez Canillas <javier@osg.samsung.com>
Acked-by: Rob Herring <robh@kernel.org>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
Pull input subsystem updates from Dmitry Torokhov:
- a big update from Mauro converting input documentation to ReST format
- Synaptics PS/2 is now aware of SMBus companion devices, which means
that we can now use native RMI4 protocol to handle touchpads, instead
of relying on legacy PS/2 mode.
- we removed support from BMA180 accelerometer from input devices as it
is now handled properly by IIO
- update to TSC2007 to corretcly report pressure
- other miscellaneous driver fixes.
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input: (152 commits)
Input: ar1021_i2c - use BIT to check for a bit
Input: twl4030-pwrbutton - use input_set_capability() helper
Input: twl4030-pwrbutton - use correct device for irq request
Input: ar1021_i2c - enable touch mode during open
Input: add uinput documentation
dt-bindings: input: add bindings document for ar1021_i2c driver
dt-bindings: input: rotary-encoder: fix typo
Input: xen-kbdfront - add module parameter for setting resolution
ARM: pxa/raumfeld: fix compile error in rotary controller resources
Input: xpad - do not suggest writing to Dominic
Input: xpad - don't use literal blocks inside footnotes
Input: xpad - note that usb/devices is now at /sys/kernel/debug/
Input: docs - freshen up introduction
Input: docs - split input docs into kernel- and user-facing
Input: docs - note that MT-A protocol is obsolete
Input: docs - update joystick documentation a bit
Input: docs - remove disclaimer/GPL notice
Input: fix "Game console" heading level in joystick documentation
Input: rotary-encoder - remove references to platform data from docs
Input: move documentation for Amiga CD32
...
ar1021_i2c also supports the ar1020 device I'm using. This is tested.
They also share the same datasheet:
http://ww1.microchip.com/downloads/en/DeviceDoc/40001393C.pdf
So let users see that they have a compatible in front of them by adding
AR1020 to the driver's description.
Signed-off-by: Martin Kepplinger <martin.kepplinger@ginzinger.com>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
Instead of rolling our own infrastructure to provide uniform access to I2C
and SPI buses, let's switch to using regmap.
Reviewed-by: Michael Hennerich <michael.hennerich@analog.com>
Tested-by: Michael Hennerich <michael.hennerich@analog.com>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
The tsc2007 chip not only has a resistive touch screen controller but
also an external AUX adc imput which can be used for an ambient
light sensor, battery voltage monitoring or any general purpose.
Additionally it can measure the chip temperature.
This extension provides an iio interface for these adc channels.
Since it is not wasting much resources and is very straightforward,
we simply provide all other adc channels as optional iio interfaces
as weel. This can be used for debugging or special applications.
This patch also splits the tsc2007 driver in several source files:
tsc2007.h -- constants, structs and stubs
tsc2007_core.c -- functional parts of the original driver
tsc2007_iio.c -- the optional iio stuff
Makefile magic allows to conditionally link the iio stuff
if CONFIG_IIO=y or =m in a way that it works with
CONFIG_TOUCHSCREEN_TSC2007=m.
Signed-off-by: H. Nikolaus Schaller <hns@goldelico.com>
Reviewed-by: Jonathan Cameron <jic23@kernel.org>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
This is a basic driver for the Zeitec ZET6223 I2C touchscreen
controllers. The driver does not support firmware loading, which is not
required for all tablets which contain this chip.
Signed-off-by: Jelle van der Waa <jelle@vdwaa.nl>
Acked-by: Rob Herring <robh@kernel.org>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
The Moorestown support was removed by commit 1a8359e411 ("x86/mid: Remove
Intel Moorestown").
Remove this leftover.
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
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Merge tag 'v4.8' into next
Sync up with mainline to bring in I2C host notify changes and other
updates.
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Merge tag 'media/v4.9-1' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-media
Pull media updates from Mauro Carvalho Chehab:
- Documentation improvements: conversion of all non-DocBook documents
to Sphinx and lots of fixes to the uAPI media book
- New PCI driver for Techwell TW5864 media grabber boards
- New SoC driver for ATMEL Image Sensor Controller
- Removal of some obsolete SoC drivers (s5p-tv driver and soc_camera
drivers)
- Addition of ST CEC driver
- Lots of drivers fixes, improvements and additions
* tag 'media/v4.9-1' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-media: (464 commits)
[media] ttusb_dec: avoid the risk of go past buffer
[media] cx23885: Fix some smatch warnings
[media] si2165: switch to regmap
[media] si2165: use i2c_client->dev instead of i2c_adapter->dev for logging
[media] si2165: Remove legacy attach
[media] cx231xx: attach si2165 driver via i2c_client
[media] cx231xx: Prepare for attaching new style i2c_client DVB demod drivers
[media] cx23885: attach si2165 driver via i2c_client
[media] si2165: support i2c_client attach
[media] si2165: avoid division by zero
[media] rcar-vin: add R-Car gen2 fallback compatibility string
[media] lgdt3306a: remove 20*50 msec unnecessary timeout
[media] cx25821: Remove deprecated create_singlethread_workqueue
[media] cx25821: Drop Freeing of Workqueue
[media] cxd2841er: force 8MHz bandwidth for DVB-C if specified bw not supported
[media] redrat3: hardware-specific parameters
[media] redrat3: remove hw_timeout member
[media] cxd2841er: BER and SNR reading for ISDB-T
[media] dvb-usb: avoid link error with dib3000m{b,c|
[media] dvb-usb: split out common parts of dibusb
...
This adds a driver for the Elan eKTF2127 touchscreen controller,
which speaks an i2c protocol which is distinctly different from
the already supported eKTH controllers.
Signed-off-by: Michel Verlaan <michel.verl@gmail.com>
Signed-off-by: Siebren Vroegindeweij <siebren.vroegindeweij@hotmail.com>
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Acked-by: Rob Herring <robh@kernel.org>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
The newnly added debug mode for the atmel_mxt_ts driver relies on
the v4l2 interface and vb2_vmalloc, but those might be configured
as loadable modules when the driver itself is built-in, resulting
in a link failure:
drivers/input/touchscreen/atmel_mxt_ts.o: In function `mxt_vidioc_querycap':
atmel_mxt_ts.c:(.text.mxt_vidioc_querycap+0x10): undefined reference to `video_devdata'
drivers/input/touchscreen/atmel_mxt_ts.o: In function `mxt_buffer_queue':
atmel_mxt_ts.c:(.text.mxt_buffer_queue+0x20): undefined reference to `vb2_plane_vaddr'
atmel_mxt_ts.c:(.text.mxt_buffer_queue+0x164): undefined reference to `vb2_buffer_done'
drivers/input/touchscreen/atmel_mxt_ts.o: In function `mxt_free_object_table':
atmel_mxt_ts.c:(.text.mxt_free_object_table+0x18): undefined reference to `video_unregister_device'
atmel_mxt_ts.c:(.text.mxt_free_object_table+0x20): undefined reference to `v4l2_device_unregister'
The best workaround I could come up with is to disallow the debug
mode unless it's actually possible to call it.
Fixes: ecfdd7e266 ("[media] Input: atmel_mxt_ts - output diagnostic debug via V4L2 device")
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Acked-by: Nick Dyer <nick@shmanahar.org>
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
Atmel maXTouch devices have a T37 object which can be used to read raw
touch deltas from the device. This consists of an array of 16-bit
integers, one for each node on the touchscreen matrix.
Signed-off-by: Nick Dyer <nick@shmanahar.org>
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
Acked-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
The new(ish) ft6236 simply re-implements the M09 protocol of the
(much) older edt-ft5x06.c driver.
This commit removes this duplicate driver and adds the i2c ids and
dt compatible string to the edt-ft5x06.c driver to keep compatibility.
This commit also adds the standard touchscreen properties as optional
properties to the edt,ft5x06 binding, these were documented in the
focaltech,ft6236 bindingi, but were missing from the edt,ft5x06 doc.
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Acked-by: Rob Herring <robh@kernel.org>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
The newly added sis_i2c driver fails to link without the CRC_ITU_T
driver enabled:
drivers/input/touchscreen/sis_i2c.o: In function `sis_ts_irq_handler':
sis_i2c.c:(.text+0xc0): undefined reference to `crc_itu_t'
This adds a Kconfig select statement.
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Fixes: a485cb037f ("Input: add driver for SiS 9200 family I2C touchscreen controllers")
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
This is a driver for SiS 9200 family touchscreen controllers using I2C bus.
Signed-off-by: Mika Penttilä <mika.penttila@nextfour.com>
Acked-by: Tammy Tseng <tammy_tseng@sis.com>
Acked-by: Yuger Yu <yuger_yu@sis.com>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
This driver adds support for Silead touchscreens. It has been tested
with GSL1680 and GSL3680 touch panels.
It supports ACPI and device tree enumeration. Screen resolution,
the maximum number of fingers supported and firmware name are
configurable.
Signed-off-by: Robert Dolca <robert.dolca@intel.com>
Signed-off-by: Daniel Jansen <djaniboe@gmail.com>
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
This adds support for Raydium I2C touch controllers compatible with
RM32380.
Signed-off-by: Jeffrey Lin <jeffrey.lin@rad-ic.com>
Acked-by: Rob Herring <robh@kernel.org>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
This is a basic driver for the Surface 3. I am not so sure it will work
with any firmwares as most values are encoded, but given that I only have
access to my current device with its firmware and I don't have the
datasheet, it should be OK for now.
The Surface Pen is not supported (if it is supposed to be). I'll work on
this when I get one.
Tested-by: Bastien Nocera <hadess@hadess.net>
Signed-off-by: Benjamin Tissoires <benjamin.tissoires@redhat.com>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
The driver only has runtime but no build time dependency with SH_MIGOR, so
it can be built for testing purposes if the COMPILE_TEST option is enabled.
This is useful to have more build coverage and make sure that drivers are
not affected by changes that could cause build regressions.
Signed-off-by: Javier Martinez Canillas <javier@osg.samsung.com>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
- Freescale Touch Screen ADC
- X-Powers AXP PMIC with RSB
- TI TPS65086 Power Management IC (PMIC)
- New Device Support
- Supply device PCI IDs for Intel Broxton
- Fix-ups
- Move to clkdev_create() API; intel_quark_i2c_gpio
- Complete re-write of TI's TPS65912 Power Management IC (PMIC)
- Remove unnecessary function argument; axp20x
- Separate out bus related code; axp20x
- Coding Style changes; axp20x
- Allow more drivers to be compiled as modules
- Work around false positive 'used uninitialised' warning; db8500-prcmu
- Bug Fixes
- Remove do_div(); fsl-imx25-gcq
- Fix driver init when built-in; tps65010
- Fix clock-unregister leak; intel-lpss
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Merge tag 'mfd-for-linus-4.6' of git://git.kernel.org/pub/scm/linux/kernel/git/lee/mfd
Pull MFD updates from Lee Jones:
"New Drivers:
- Freescale Touch Screen ADC
- X-Powers AXP PMIC with RSB
- TI TPS65086 Power Management IC (PMIC)
New Device Support:
- Supply device PCI IDs for Intel Broxton
Fix-ups:
- Move to clkdev_create() API; intel_quark_i2c_gpio
- Complete re-write of TI's TPS65912 Power Management IC (PMIC)
- Remove unnecessary function argument; axp20x
- Separate out bus related code; axp20x
- Coding Style changes; axp20x
- Allow more drivers to be compiled as modules
- Work around false positive 'used uninitialised' warning; db8500-prcmu
Bug Fixes:
- Remove do_div(); fsl-imx25-gcq
- Fix driver init when built-in; tps65010
- Fix clock-unregister leak; intel-lpss"
* tag 'mfd-for-linus-4.6' of git://git.kernel.org/pub/scm/linux/kernel/git/lee/mfd: (53 commits)
mfd: intel-lpss: Pass I2C configuration via properties on BXT
mfd: imx6sx: Add PCIe register definitions for iomuxc gpr
mfd: ipaq-micro: Use __maybe_unused to hide pm functions
mfd: max77686: Add max77802 to I2C device ID table
mfd: max77686: Export OF module alias information
mfd: max77686: Allow driver to be built as a module
mfd: stmpe: Add the proper PWM resources
mfd: tps65090: Set regmap config reg counts properly
mfd: syscon: Return ENOTSUPP instead of ENOSYS when disabled
mfd: as3711: Set regmap config reg counts properly
mfd: rc5t583: Set regmap config reg counts properly
gpio: tps65086: Add GPO driver for the TPS65086 PMIC
mfd: mt6397: Add platform device ID table
mfd: da9063: Fix missing volatile registers in the core regmap_range volatile lists
mfd: mt6397: Add MT6323 support to MT6397 driver
mfd: mt6397: Add support for different Slave types
mfd: mt6397: int_con and int_status may vary in location
dt-bindings: mfd: Add bindings for the MediaTek MT6323 PMIC
mfd: da9062: Fix missing volatile registers in the core regmap_range volatile lists
mfd: Add documentation for ACT8945A DT bindings
...
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Merge tag 'v4.5' into next
Merge with Linux 4.5 to get PROPERTY_ENTRY_INTEGER() that is needed to
fix pxa/raumfeld rotary encoder properties.
The Technologic Systems TS-4800 is an i.MX515 board, so its drivers
are useless unless building a SOC_IMX51 kernel, except for build
testing purposes.
Signed-off-by: Jean Delvare <jdelvare@suse.de>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
This is an input driver for MELFAS MIP4 Touchscreen devices, such as
MMS400, MMS500, MCS8000, MIT200, MIT300, MIT400, MFS10. All devices
implementing MIP4 protocol (MELFAS Interface Protocol Version 4) should
be supported by this driver.
Signed-off-by: Sangwon Jee <jeesw@melfas.com>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
This is a driver for the imx25 ADC/TSC module. It controls the
touchscreen conversion queue and creates a touchscreen input device.
The driver currently only supports 4 wire touchscreens. The driver uses
a simple conversion queue of precharge, touch detection, X measurement,
Y measurement, precharge and another touch detection.
This driver uses the regmap from the parent to setup some touch specific
settings in the core driver and setup a idle configuration with touch
detection.
Signed-off-by: Markus Pargmann <mpa@pengutronix.de>
Signed-off-by: Denis Carikli <denis@eukrea.com>
[fix clock's period calculation]
[fix calculation of the 'settling' value]
Signed-off-by: Juergen Borleis <jbe@pengutronix.de>
Acked-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
The GPIO subsystem provides dummy GPIO consumer functions if GPIOLIB is
not enabled. Hence drivers that depend on GPIOLIB, but use GPIO consumer
functionality only, can still be compiled if GPIOLIB is not enabled.
If COMPILE_TEST is enabled, relax the dependency on GPIOLIB for the
recently introduced or relaxed symbols TOUCHSCREEN_GOODIX and
TOUCHSCREEN_COLIBRI_VF50.
Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
This branch is the culmination of 5 years of effort to bring the ARMv6
and ARMv7 platforms together such that they can all be enabled and
boot the same kernel. It has been a tremendous amount of cleanup and
refactoring by a huge number of people, and creation of several new
(and major) subsystems to better abstract out all the platform details
in an appropriate manner.
The bulk of this branch is a large patchset from Arnd that brings several
of the more minor and older platforms we have closer to multiplatform
support. Among these are MMP, S3C64xx, Orion5x, mv78xx0 and realview
Much of this is moving around header files from old mach directories,
but there are also some cleanup patches of debug_ll (lowlevel debug
per-platform options) and other parts.
Linus Walleij also has some patchs to clean up the older ARM Realview
platforms by finally introducing DT support, and Rob Herring has some
for ARM Versatile which is now DT-only. Both of these platforms are
now multiplatform.
Finally, a couple of patches from Russell for Dove PMU, and a fix from
Valentin Rothberg for Exynos ADC, which were rebased on top of the
series to avoid conflicts.
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Merge tag 'armsoc-multiplatform' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc
Pull ARM SoC multiplatform code updates from Arnd Bergmann:
"This branch is the culmination of 5 years of effort to bring the ARMv6
and ARMv7 platforms together such that they can all be enabled and
boot the same kernel. It has been a tremendous amount of cleanup and
refactoring by a huge number of people, and creation of several new
(and major) subsystems to better abstract out all the platform details
in an appropriate manner.
The bulk of this branch is a large patchset from Arnd that brings
several of the more minor and older platforms we have closer to
multiplatform support. Among these are MMP, S3C64xx, Orion5x, mv78xx0
and realview Much of this is moving around header files from old mach
directories, but there are also some cleanup patches of debug_ll
(lowlevel debug per-platform options) and other parts.
Linus Walleij also has some patchs to clean up the older ARM Realview
platforms by finally introducing DT support, and Rob Herring has some
for ARM Versatile which is now DT-only. Both of these platforms are
now multiplatform.
Finally, a couple of patches from Russell for Dove PMU, and a fix from
Valentin Rothberg for Exynos ADC, which were rebased on top of the
series to avoid conflicts"
* tag 'armsoc-multiplatform' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (75 commits)
ARM: realview: don't select SMP_ON_UP for UP builds
ARM: s3c: simplify s3c_irqwake_{e,}intallow definition
ARM: s3c64xx: fix pm-debug compilation
iio: exynos-adc: fix irqf_oneshot.cocci warnings
ARM: realview: build realview-dt SMP support only when used
ARM: realview: select apropriate targets
ARM: realview: clean up header files
ARM: realview: make all header files local
ARM: no longer make CPU targets visible separately
ARM: integrator: use explicit core module options
ARM: realview: enable multiplatform
ARM: make default platform work for NOMMU
ARM: debug-ll: move DEBUG_LL_UART_EFM32 to correct Kconfig location
ARM: defconfig: use correct debug_ll settings
ARM: versatile: convert to multi-platform
ARM: versatile: merge mach code into a single file
ARM: versatile: switch to DT only booting and remove legacy code
ARM: versatile: add DT based PCI detection
ARM: pxa: mark ezx structures as __maybe_unused
ARM: pxa: mark raumfeld init functions as __maybe_unused
...
After power on, it is recommended that the driver resets the device.
The reset procedure timing is described in the datasheet and is used
at device init (before writing device configuration) and
for power management. It is a sequence of setting the interrupt
and reset pins high/low at specific timing intervals. This procedure
also includes setting the slave address to the one specified in the
ACPI/device tree.
This is based on Goodix datasheets for GT911 and GT9271 and on Goodix
driver gt9xx.c for Android (publicly available in Android kernel
trees for various devices).
For reset the driver needs to control the interrupt and
reset gpio pins (configured through ACPI/device tree). For devices
that do not have the gpio pins properly declared, the functionality
depending on these pins will not be available, but the device can still
be used with basic functionality.
For both device tree and ACPI, the interrupt gpio pin configuration is
read from the "irq-gpios" property and the reset pin configuration is
read from the "reset-gpios" property. For ACPI 5.1, named properties
can be specified using the _DSD section. This functionality will not be
available for devices that use indexed gpio pins declared in the _CRS
section (we need to provide backward compatibility with devices
that do not support using the interrupt gpio pin as output).
For ACPI, the pins can be specified using ACPI 5.1:
Device (STAC)
{
Name (_HID, "GDIX1001")
...
Method (_CRS, 0, Serialized)
{
Name (RBUF, ResourceTemplate ()
{
I2cSerialBus (0x0014, ControllerInitiated, 0x00061A80,
AddressingMode7Bit, "\\I2C0",
0x00, ResourceConsumer, ,
)
GpioInt (Edge, ActiveHigh, Exclusive, PullNone, 0x0000,
"\\I2C0", 0x00, ResourceConsumer, ,
)
{ // Pin list
0
}
GpioIo (Exclusive, PullDown, 0x0000, 0x0000,
IoRestrictionOutputOnly, "\\I2C0", 0x00,
ResourceConsumer, ,
)
{
1
}
})
Return (RBUF)
}
Name (_DSD, Package ()
{
ToUUID("daffd814-6eba-4d8c-8a91-bc9bbf4aa301"),
Package ()
{
Package (2) {"irq-gpios", Package() {^STAC, 0, 0, 0 }},
Package (2) {"reset-gpios", Package() {^STAC, 1, 0, 0 }},
...
}
}
Signed-off-by: Octavian Purdila <octavian.purdila@intel.com>
Signed-off-by: Irina Tirdea <irina.tirdea@intel.com>
Acked-by: Rob Herring <robh@kernel.org>
Acked-by: Bastien Nocera <hadess@hadess.net>
Tested-by: Bastien Nocera <hadess@hadess.net>
Tested-by: Aleksei Mamlin <mamlinav@gmail.com>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
On this board, the touchscreen, an ads7843, is not handled directly by
Linux but by a companion FPGA. This FPGA is memory-mapped and the IP
design is very similar to the mk712.
This commit adds the support for this IP.
Signed-off-by: Damien Riegel <damien.riegel@savoirfairelinux.com>
Acked-by: Rob Herring <robh@kernel.org>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
There are two EETI touchscreen drivers in the kernel (eeti_ts and
egalax_ts) but both are for I2C-connected panels. This is for a different,
serial and not multi-touch touchscreen panel. The protocol documentation is
at http://www.eeti.com.tw/pdf/Software%20Programming%20Guide_v2.0.pdf
Signed-off-by: Böszörményi Zoltán <zboszor@pr.hu>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
S3C_ADC is only available on machines that don't do ARCH_MULTIPLATFORM,
so changing the 'select' into 'depends on' here helps us move to
ARCH_MULTIPLATFORM without introducing regressions.
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Acked-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
Reviewed-by: Krzysztof Kozlowski <k.kozlowski@samsung.com>
This adds support for the i2c based tsc2004 touchscreen controller.
Signed-off-by: Michael Welling <mwelling@ieee.org>
Acked-by: Rob Herring <robh@kernel.org>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
This patch separates the SPI functionality from core functionality
that overlaps with the tsc2004.
Prepares kernel for new tsc2004 driver without much redundant code.
Signed-off-by: Michael Welling <mwelling@ieee.org>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
Fix build errors due to missing Kconfig dependency.
drivers/built-in.o: In function `sur40_disconnect':
sur40.c:(.text+0x22be6e): undefined reference to `video_unregister_device'
sur40.c:(.text+0x22be77): undefined reference to `v4l2_device_unregister'
drivers/built-in.o: In function `sur40_process_video':
sur40.c:(.text+0x22c1d4): undefined reference to `v4l2_get_timestamp'
drivers/built-in.o: In function `sur40_probe':
sur40.c:(.text+0x22ca82): undefined reference to `v4l2_device_register'
sur40.c:(.text+0x22cb1a): undefined reference to `v4l2_device_unregister'
sur40.c:(.text+0x22cbf7): undefined reference to `video_device_release_empty'
sur40.c:(.text+0x22cc53): undefined reference to `__video_register_device'
sur40.c:(.text+0x22cc90): undefined reference to `video_unregister_device'
drivers/built-in.o: In function `sur40_vidioc_querycap':
sur40.c:(.text+0x22ccb0): undefined reference to `video_devdata'
Signed-off-by: Randy Dunlap <rdunlap@infradead.org>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
Linus Torvalds