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Signed-off-by: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
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Based on linux 3.7-rc2
Signed-off-by: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
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so we can show the this of i2c busses
set the bus device as parent of all devices.
Signed-off-by: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
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This produced a warning on powerpc since the conversion to common clk support
on i.MX.
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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platform_driver/device_register
now register_driver and register_device are for bus only usage.
Signed-off-by: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>
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The FSF address has changed in the past. Instead of updating it
each time the address changes, just drop it completely treewide.
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
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A function to calculate the frequency divider and digital filter sampling rate
for the 85xx processors is added to the i2c-imx driver. Hence, this driver is
usable on IMX and 85xx machines.
Signed-off-by: Renaud Barbier <renaud.barbier@ge.com>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
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The IMX i2c driver is to be used by SOCs on both the ARM and PPC architetures.
Use a more neutral name for the structure, function names and #define.
The driver name is now "i2c-fsl".
Signed-off-by: Renaud Barbier <renaud.barbier@ge.com>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
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Although the driver could work on this hardware, i.MX1 support
currently lacks the necessary clocks resulting in linker errors.
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
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Added i2c support for omap4. Tested on pcm049.
Driver based on linux kernel implementation.
Also added a shift to access 16-bit registers
to make support for OMAP730/850 possible.
If accessing a non existing slave the bus will go into arbitration mode.
It's unable to recover from it.
Signed-off-by: Alexander Aring <a.aring@phytec.de>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
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Modified the i2c_imx driver to support data-only transfers, without
command byte. This allows to construct more complex i2c transfers
and support non genuine devices like Atmel ATxx secure memory, where the
master reads data after a write command.
Signed-off-by: Rosen Kolev <rosen.kolev@amk-drives.bg>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
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To allow for some generic io accessors introduce io.h and use
this instead of asm/io.h throughout the tree.
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
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Signed-off-by: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>
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Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
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strange behaviour was observed with actual driver : bus lock, probe of
absent adresses, wrong data read.
This patch sync the driver with linux's one and after a few tests, we
don't see anymore strange behaviour (tested on i.MX27).
Signed-off-by: Eric Bénard <eric@eukrea.com>
Acked-by: Marc Reilly <marc@cpdesign.com.au>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
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Makes sure that the STOP condition is transmitted before the I2C
controller is disabled.
This fixes a problem where writing to an external EEPROM was not working
because the EEPROM waits until the STOP before initiating the write
internally.
Signed-off-by: Marc Reilly <marc@cpdesign.com.au>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
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Signed-off-by: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>
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