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'for-2639/i2c/i2c-imx' into for-linus/2639/i2c-2
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The Sodaville I2C controller is almost the same as found on PXA2xx. The
difference:
- the register are at a different offset
- no slave support
The PCI probe code adds three platform devices which are probed then by
the platform code.
The X86 part also adds dummy clock defines because we don't have HW
clock support.
Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
Signed-off-by: Dirk Brandewie <dirk.brandewie@gmail.com>
Signed-off-by: Ben Dooks <ben-linux@fluff.org>
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* 'for-linus/2639/i2c-1' of git://git.fluff.org/bjdooks/linux:
i2c-mpc: Add support for 64bit system
i2c: add driver for Freescale i.MX28
i2c: tegra: Add i2c support
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change from original version -- by advice of Jean Delvare
1. remove global variable i2c_reg, replaced by local variables
2. replace ENXIO with ENODEV when no platform resources
3. add adapter->nr assignment before i2c_add_numbered_adapter() call
4. add judgement for i2c_del_adapter() return value
5. release adapter when driver removed
6. add __devexit for puv3_i2c_remove() function
7. modify several names to more appropriated ones
Signed-off-by: Guan Xuetao <gxt@mprc.pku.edu.cn>
Acked-by: Arnd Bergmann <arnd@arndb.de>
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'for-2639/i2c/i2c-imx' into for-linus/2639/i2c-1
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Currently only supporting the PIOQUEUE-mode, because DMA-support for
this platform is not yet in mainline. When it becomes available and
support has been added to this driver, it will also be suitable for
i.MX23 and STMP3xxx.
Signed-off-by: Wolfram Sang <w.sang@pengutronix.de>
Cc: Ben Dooks <ben-linux@fluff.org>
Cc: Shawn Guo <shawn.guo@freescale.com>
Signed-off-by: Ben Dooks <ben-linux@fluff.org>
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Adds I2C bus driver for nVidia Tegra SoCs. Tegra includes 4 I2C
controllers, one of which is inside the Dynamic Voltage Controller
and has a slightly different register map.
Signed-off-by: Colin Cross <ccross@android.com>
Signed-off-by: Ben Dooks <ben-linux@fluff.org>
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This patch adds support for the Diolan U2C-12 USB-I2C adapter.
It also updates MAINTAINERS to list the author as maintainer.
Signed-off-by: Guenter Roeck <guenter.roeck@ericsson.com>
Signed-off-by: Ben Dooks <ben-linux@fluff.org>
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I2C driver for Intel EG20T PCH
Signed-off-by: Tomoya MORINAGA <tomoya-linux@dsn.okisemi.com>
Reviewed-by: Linus Walleij <linus.walleij@stericsson.com>
Signed-off-by: Qi Wang <qi.wang@intel.com>
[ben-linux@fluff.org: reworded commit message]
Signed-off-by: Ben Dooks <ben-linux@fluff.org>
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(Updated to address Ben's comments. With regard to the message segment
restriction it's not something we hit on the actual platform so while
I will investigate that further I don't think its a blocker to submission.
At worst its a spot over-restrictive)
From: Wen Wang <wen.w.wang@intel.com>
Initial release of the driver. Updated and verified on hardware.
Cleaned up as follows
Alan Cox:
Squash down the switches into tables, and use the PCI ident field. We
could perhaps take this further and put the platform and port number into
this.
uint32t -> u32
bracketing of case statements
spacing and '!' usage
Check the speed (which is now 0/1/2) is valid and ignore otherwise.
Fix remaining problems/suggestions from Jean's review
Fix items from Ben's review
Arjan van de Ven:
Initial power management hooks
Yong Wang <youg.y.wang@intel.com>:
Shared IRQ support
Wen Wang <wen.w.wang@intel.com>:
D3 support
Fixes for OCT test runs
Interrupt optimisations
Hong Liu <hong.liu@intel.com>
The runtime PM code is working on the wrong device (i2c_adapter->dev).
The correct one should be pci_dev->dev. This breaks attached i2c
slave devices with runtime PM enabled. Slave device needs to runtime
resume parent device before runtime resuming itself, but we always get
error since we don't have pm_runtime callback for i2c_adapter->dev.
Bin Yang <bin.yang@intel.com>:
Update speed table
Saadi Maalem <saadi.maalem@intel.com>:
Clear all interrupts in the hardware init
Celine Chotard <celinex.chotard@intel.com>:
Correct ordering of clear/disable of IRQs
Signed-off-by: Wen Wang <wen.w.wang@intel.com>
Signed-off-by: Yong Wang <yong.y.wang@intel.com>
Signed-off-by: Hong Liu <hong.liu@intel.com>
Signed-off-by: Bin Yang <bin.yang@intel.com>
Signed-off-by: Arjan van de Ven <arjan@linux.intel.com>
Signed-off-by: Alan Cox <alan@linux.intel.com>
Signed-off-by: Ben Dooks <ben-linux@fluff.org>
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Replace EXTRA_CFLAGS with ccflags-y.
Signed-off-by: matt mooney <mfm@muteddisk.com>
Signed-off-by: Jean Delvare <khali@linux-fr.org>
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This patch is to add i2c driver support for nuc900.
Signed-off-by: Wan ZongShun <mcuos.com@gmail.org>
Reviewed-by: Marek Vasut <marek.vasut@gmail.com>
Reviewed-by: Baruch Siach <baruch@tkos.co.il>
Signed-off-by: Ben Dooks <ben-linux@fluff.org>
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And fix a typo while we are here
Signed-off-by: Wolfram Sang <w.sang@pengutronix.de>
Signed-off-by: Jean Delvare <khali@linux-fr.org>
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This patch adds support for the Xilinx XPS IIC Bus Interface.
The driver uses the dynamic mode, supporting to put several
I2C messages in the FIFO to reduce the number of interrupts.
It has the same feature as ocores, it can be passed a list
of devices that will be added when the bus is probed.
Signed-off-by: Richard Röjfors <richard.rojfors@pelagicore.com>
Signed-off-by: Ben Dooks <ben-linux@fluff.org>
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This adds support for ST-Ericsson's I2C block found
in Ux500 and Nomadik 8815 platforms.
Signed-off-by: srinidhi kasagar <srinidhi.kasagar@stericsson.com>
Acked-by: Andrea Gallo <andrea.gallo@stericsson.com>
Acked-by: Linus Walleij <linus.walleij@stericsson.com>
Reviewed-by: Linus Walleij <linus.walleij@stericsson.com>
Signed-off-by: Ben Dooks <ben-linux@fluff.org>
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Signed-off-by: Rade Bozic <rade.bozic.ext@nsn.com>
Signed-off-by: David Daney <ddaney@caviumnetworks.com>
Cc: Michael Lawnick <michael.lawnick.ext@nsn.com>
To: linux-mips@linux-mips.org
To: linux-i2c@vger.kernel.org
To: ben-linux@fluff.org
To: khali@linux-fr.org
Cc: rade.bozic.ext@nsn.com
Cc: Michael Lawnick <michael.lawnick.ext@nsn.com>
Patchwork: http://patchwork.linux-mips.org/patch/890/
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
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Superseded by tdfxfb. I2C/DDC support used to live in a separate
driver but this caused driver conflicts.
Signed-off-by: Jean Delvare <khali@linux-fr.org>
Cc: Krzysztof Helt <krzysztof.h1@wp.pl>
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Now that we have ACPI-based SMBus controller drivers, and we will start
telling users to use them instead of native drivers when I/O resources
conflict, I think it would be good to clearly mark ACPI drivers as such
in Kconfig.
This is exactly the same as we just did for hwmon drivers.
Signed-off-by: Jean Delvare <khali@linux-fr.org>
Cc: Crane Cai <crane.cai@amd.com>
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This driver supports the SMBus Control Method Interface. It needs BIOS declare
ACPI control methods which described in SMBus Control Method Interface Spec.
http://smbus.org/specs/smbus_cmi10.pdf
Signed-off-by: Crane Cai <crane.cai@amd.com>
Signed-off-by: Jean Delvare <khali@linux-fr.org>
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The i2c Linux driver for the DesignWare i2c block of Synopsys, which is meant
for AMBA Peripheral Bus. This i2c block is used on SoC chips like the ARM9
based PVG610.
Signed-off-by: Baruch Siach <baruch@tkos.co.il>
Signed-off-by: Ben Dooks <ben-linux@fluff.org>
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This adds support for the ST Microelectronics DDC I2C bus
driver. This bus is used in the U300 architecture recently
added to RMK:s ARM tree.
Signed-off-by: Linus Walleij <linus.walleij@stericsson.com>
Reviewed-by: Ben Dooks <ben-linux@fluff.org>
Reviewed-by: Jean Delvare <khali@linus-fr.org>
Signed-off-by: Ben Dooks <ben-linux@fluff.org>
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Support for the s6000 on-chip i2c controller.
Signed-off-by: Oskar Schirmer <os@emlix.com>
Signed-off-by: Daniel Glöckner <dg@emlix.com>
Signed-off-by: Ben Dooks <ben-linux@fluff.org>
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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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This adds support for the SMBus adapter found in the various FPGAs on
the Renesas Highlander platforms. Particularly the R0P7780LC0011RL and
R0P7785LC0011RL FPGAs.
Functionality is fairly restricted, in that only byte and block data
transfers are supported. Normal/fast mode and IRQ/polling are also
supported. Primarily used for various RTCs and thermal sensors.
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
Signed-off-by: Jean Delvare <khali@linux-fr.org>
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This driver uses the port of 2.4 code from Vitaly Bordug
<vitb@kernel.crashing.org> and the actual algorithm used by the i2c
driver of the DBox code on cvs.tuxboc.org from Felix Domke
(tmbinc@gmx.net) and Gillem (htoa@gmx.net) converted to an
of_platform_driver. Tested on CPM1 (MPC823 on dbox2 hardware) and
CPM2 (MPC8272).
Signed-off-by: Jochen Friedrich <jochen@scram.de>
Tested-by: Wolfram Sang <w.sang@pengutronix.de>
Signed-off-by: Jean Delvare <khali@linux-fr.org>
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New i2c bus driver for the Intel SCH chipsets (AF82US15W, AF82US15L,
AF82UL11L).
Signed-off-by: Alek Du <alek.du@intel.com>
Signed-off-by: Jean Delvare <khali@linux-fr.org>
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The list of I2C/SMBus bus drivers is growing and it is sometimes
difficult for the users to figure out what drivers they should enable.
By grouping the drivers by type, I hope to make the selection easier.
Signed-off-by: Jean Delvare <khali@linux-fr.org>
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This patch contains the scheduled removal of i2c-i810, i2c-prosavage
and i2c-savage4.
Signed-off-by: Adrian Bunk <bunk@kernel.org>
Signed-off-by: Jean Delvare <khali@linux-fr.org>
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Just like the Tyan S4882, the S4985 uses a multiplexer to give access
to all 16 memory module SPD EEPROMs. This specific i2c-nforce2-s4985
driver adds support for this. It is heavily based on the older
i2c-amd756-s4882 driver.
As more mainboards will use multiplexer chips, we will have to find a
way to support them without having to write a new specfic driver for
each. The recent changes to the i2c subsystem should help us, and the
new gpio subsystem might help, too.
Signed-off-by: Jean Delvare <khali@linux-fr.org>
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This is V5 of the SuperH Mobile I2C Controller Driver. A simple Master
only driver for the I2C block included in processors such as sh7343,
sh7722 and sh7723. Tested on a sh7722 MigoR using a rs5c732b rtc.
Signed-off-by: Magnus Damm <damm@igel.co.jp>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
Signed-off-by: Jean Delvare <khali@linux-fr.org>
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Driver for I2C interfaces in master mode on SH7760.
Signed-off-by: Manuel Lauss <mano@roarinelk.homelinux.net>
Signed-off-by: Jean Delvare <khali@linux-fr.org>
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Tested on a blackfin.
Signed-off-by: Wolfram Sang <w.sang@pengutronix.de>
Signed-off-by: Jean Delvare <khali@linux-fr.org>
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This patch contains the overdue removal of three I2C drivers.
[JD: In fact only i2c-ixp4xx can be removed at the moment, the other two
platforms don't implement the generic GPIO layer yet.]
Signed-off-by: Adrian Bunk <bunk@kernel.org>
Signed-off-by: Jean Delvare <khali@linux-fr.org>
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Signed-off-by: Vladimir Barinov <vbarinov@ru.mvista.com>
Acked-by: Trilok Soni <soni.trilok@gmail.com>
Signed-off-by: Jean Delvare <khali@linux-fr.org>
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* 'release' of git://lm-sensors.org/kernel/mhoffman/hwmon-2.6: (44 commits)
i2c: Delete the i2c-isa pseudo bus driver
hwmon: refuse to load abituguru driver on non-Abit boards
hwmon: fix Abit Uguru3 driver detection on some motherboards
hwmon/w83627ehf: Be quiet when no chip is found
hwmon/w83627ehf: No need to initialize fan_min
hwmon/w83627ehf: Export the thermal sensor types
hwmon/w83627ehf: Enable VBAT monitoring
hwmon/w83627ehf: Add support for the VID inputs
hwmon/w83627ehf: Fix timing issues
hwmon/w83627ehf: Add error messages for two error cases
hwmon/w83627ehf: Convert to a platform driver
hwmon/w83627ehf: Update the Kconfig entry
make coretemp_device_remove() static
hwmon: Add LM93 support
hwmon: Improve the pwmN_enable documentation
hwmon/smsc47b397: Don't report missing fans as spinning at 82 RPM
hwmon: Add support for newer uGuru's
hwmon/f71805f: Add temperature-tracking fan control mode
hwmon/w83627ehf: Preserve speed reading when changing fan min
hwmon: fix detection of abituguru volt inputs
...
Manual fixup of trivial conflict in MAINTAINERS file
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There are no users of i2c-isa left, so we can finally get rid of it.
Signed-off-by: Jean Delvare <khali@linux-fr.org>
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This driver has been broken forever. It depends on i2c-algo-8xx which
has never been in the mainline kernel.
Signed-off-by: Jean Delvare <khali@linux-fr.org>
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Add TWI driver for the PMC-Sierra MSP71xx devices.
[JD: Drop the probe hack, don't set algo_data as we never use it, return
the right error code if the driver registration fails.]
Signed-off-by: Marc St-Jean <Marc_St-Jean@pmc-sierra.com>
Signed-off-by: Jean Delvare <khali@linux-fr.org>
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This is a new I2C bus driver for the TAOS evaluation modules. Developped
and tested on the TAOS TSL2550 EVM.
Signed-off-by: Jean Delvare <khali@linux-fr.org>
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Add a driver for the i2c-tiny-usb interface. This is a simple
do-it-yourself USB to I2C interface targeted at experimental and
home use. See the i2c-tiny-usb homepage for hardware details:
http://www.harbaum.org/till/i2c_tiny_usb
Signed-off-by: Till Harbaum <till@harbaum.org>
Signed-off-by: Jean Delvare <khali@linux-fr.org>
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Platform driver for the Simtec CPLD based simple I2C logic.
Signed-off-by: Ben Dooks <ben-linux@fluff.org>
Signed-off-by: Jean Delvare <khali@linux-fr.org>
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This is a very simple bitbanging I2C bus driver utilizing the new
arch-neutral GPIO API. Useful for chips that don't have a built-in
I2C controller, additional I2C busses, or testing purposes.
To use, include something similar to the following in the
board-specific setup code:
#include <linux/i2c-gpio.h>
static struct i2c_gpio_platform_data i2c_gpio_data = {
.sda_pin = GPIO_PIN_FOO,
.scl_pin = GPIO_PIN_BAR,
};
static struct platform_device i2c_gpio_device = {
.name = "i2c-gpio",
.id = 0,
.dev = {
.platform_data = &i2c_gpio_data,
},
};
Register this platform_device, set up the I2C pins as GPIO if
required and you're ready to go. This will use default values for
udelay and timeout, and will work with GPIO hardware that does not
support open drain mode, but allows sensing of the SDA and SCL lines
even when they are being driven.
Signed-off-by: Haavard Skinnemoen <hskinnemoen@atmel.com>
Signed-off-by: Jean Delvare <khali@linux-fr.org>
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The i2c linux driver for blackfin architecture which supports blackfin
on-chip TWI controller i2c operation.
Signed-off-by: Bryan Wu <bryan.wu@analog.com>
Reviewed-by: Alexey Dobriyan <adobriyan@gmail.com>
Cc: David Brownell <david-b@pacbell.net>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Jean Delvare <khali@linux-fr.org>
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Move the Acorn IOC/IOMD I2C bus driver from drivers/i2c, strip
out the reminants of the platform specific parts of the old
PCF8583 RTC code, and remove the old obsolete PCF8583 driver.
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
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New driver for the PA Semi SMBus interfaces.
Signed-off-by: Olof Johansson <olof@lixom.net>
Signed-off-by: Jean Delvare <khali@linux-fr.org>
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Add support for the I2C bus found on the ARM Versatile and Realview
platforms. The I2C bus has a RTC and optionally some EEPROMs attached.
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
Signed-off-by: Jean Delvare <khali@linux-fr.org>
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Add support for the I2C (Two-wire interface) controller integrated in
the Atmel AT91RM9200 processor. This driver should also be usable on
the Atmel AT91SAM9261 and AT91SAM9260 processors.
Signed-off-by: Andrew Victor <andrew@sanpeople.com>
Signed-off-by: Mark M. Hoffman <mhoffman@lightlink.com>
Signed-off-by: Jean Delvare <khali@linux-fr.org>
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New I2C bus driver for Philips ARM boards (Philips IP3204 I2C IP
block). This I2C controller can be found on (at least) PNX010x,
PNX52xx and PNX4008 Philips boards.
Signed-off-by: Vitaly Wool <vitalywool@gmail.com>
Signed-off-by: Jean Delvare <khali@linux-fr.org>
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The rest of the ITE8172 support was already removed from MIPS tree.
Signed-off-by: Jean Delvare <khali@linux-fr.org>
Signed-off-by: Yoichi Yuasa <yoichi_yuasa@tripeaks.co.jp>
Acked-by: Ralf Baechle <ralf@linux-mips.org>
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