u-boot.git/drivers/i2c, branch v2009.03 Unnamed repository; edit this file 'description' to name the repository. 8xx: add support for new keymile kmsupx4 board. 2009-03-18T19:50:05+00:00 Heiko Schocher hs@denx.de 2009-03-12T06:37:34+00:00 1b6275dfb173bd2edb8f208dd050d6f47ae39654 This patch adds support for the kmsupx4 board from Keymile, based on a Freescale MPC852T CPU - serial console on SMC1 - 32 MB SDRAM - 32 MB NOR Flash - Ethernet over SCC3 - I2C Bitbang Signed-off-by: Heiko Schocher <hs@denx.de> 
This patch adds support for the kmsupx4 board from Keymile,
based on a Freescale MPC852T CPU

- serial console on SMC1
- 32 MB SDRAM
- 32 MB NOR Flash
- Ethernet over SCC3
- I2C Bitbang

Signed-off-by: Heiko Schocher <hs@denx.de>
83xx, i2c: add mux support for fsl_i2c 2009-03-06T00:21:17+00:00 Heiko Schocher hs@denx.de 2009-02-24T10:30:37+00:00 c1bce4fff750d734b1fa7467eb08f93902c97ca6 This patch adds I2C mux support for the fsl_i2c driver. This allows you to add "new" i2c busses, which are reached over i2c muxes. For more infos, please look in the README and search for CONFIG_I2C_MUX. Signed-off-by: Heiko Schocher <hs@denx.de> Signed-off-by: Kim Phillips <kim.phillips@freescale.com> 
This patch adds I2C mux support for the fsl_i2c driver. This
allows you to add "new" i2c busses, which are reached over
i2c muxes. For more infos, please look in the README and
search for CONFIG_I2C_MUX.

Signed-off-by: Heiko Schocher <hs@denx.de>
Signed-off-by: Kim Phillips <kim.phillips@freescale.com>
i.MX31: Start the I2C clock on driver initialisation 2009-02-14T09:00:51+00:00 Guennadi Liakhovetski lg@denx.de 2009-02-13T08:23:36+00:00 e7de18afe8ecf96a51ef981d06066eeb6b1254e7 i.MX31 powers on with most clocks running, so, after a power on this explicit clock start up is not required. However, as Linux boots it disables most clocks to save power. This includes the I2C clock. If we then soft reboot from Linux the I2C clock stays off. This breaks the phycore, which has its environment in I2C EEPROM. Fix the problem by explicitly starting the clock in I2C driver initialisation routine. Signed-off-by: Guennadi Liakhovetski <lg@denx.de> Ack-by: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com> 
i.MX31 powers on with most clocks running, so, after a power on this explicit
clock start up is not required. However, as Linux boots it disables most clocks
to save power. This includes the I2C clock. If we then soft reboot from Linux
the I2C clock stays off. This breaks the phycore, which has its environment in
I2C EEPROM. Fix the problem by explicitly starting the clock in I2C driver
initialisation routine.

Signed-off-by: Guennadi Liakhovetski <lg@denx.de>
Ack-by: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>
Merge branch 'master' of git://git.denx.de/u-boot-arm 2009-02-01T20:38:07+00:00 Wolfgang Denk wd@denx.de 2009-02-01T20:38:07+00:00 6c6e042ab3bbfb5428e4cdeb38fa27728c63afdd 






Blackfin: overhaul i2c driver
2009-01-28T18:26:13+00:00

Mike Frysinger
vapier@gentoo.org

2008-10-06T08:16:47+00:00

be853bf86b41e91f4c422f0f56fdf87ea3191266

The current Blackfin i2c driver does not work properly with certain devices
due to it breaking up transfers incorrectly.  This is a rewrite of the
driver and relocates it to the newer place in the source tree.

Also remove duplicated I2C speed defines in Blackfin board configs and
disable I2C slave address usage since it isn't implemented.

Signed-off-by: Mike Frysinger <vapier@gentoo.org>





The current Blackfin i2c driver does not work properly with certain devices
due to it breaking up transfers incorrectly.  This is a rewrite of the
driver and relocates it to the newer place in the source tree.

Also remove duplicated I2C speed defines in Blackfin board configs and
disable I2C slave address usage since it isn't implemented.

Signed-off-by: Mike Frysinger <vapier@gentoo.org>







soft_i2c.c add option for repeated start in i2c_read()
2009-01-27T21:26:31+00:00

Andrew Dyer
adyer@righthandtech.com

2008-12-29T23:36:01+00:00

2ac6985a7466a1c8a7aa8b2fa24d360925a82764

This patch adds a #define to optionally change the behaviour of
i2c_read() in soft_i2c.c to send an I2C repeated start instead of a
stop-start between sending the device address pointer write and
reading back the data.  The current behaviour is retained as the
default.

While most devices will work either way, I have a smart battery(*)
that requires repeated start, and someone at some point found a
device that required a stop-start.

(*) http://www.inspired-energy.com/Standard_Products/NL2054/NL2054%20Rev1.0%20Data%20Sheet.pdf

Signed-off-by: Andrew Dyer <adyer@righthandtech.com>





This patch adds a #define to optionally change the behaviour of
i2c_read() in soft_i2c.c to send an I2C repeated start instead of a
stop-start between sending the device address pointer write and
reading back the data.  The current behaviour is retained as the
default.

While most devices will work either way, I have a smart battery(*)
that requires repeated start, and someone at some point found a
device that required a stop-start.

(*) http://www.inspired-energy.com/Standard_Products/NL2054/NL2054%20Rev1.0%20Data%20Sheet.pdf

Signed-off-by: Andrew Dyer <adyer@righthandtech.com>







OMAP3: Add I2C support
2009-01-24T16:51:22+00:00

Dirk Behme
dirk.behme@googlemail.com

2008-12-14T08:47:18+00:00

7d264c1ef267cfc8d928bc8577a7cc907f2f5e47

Add I2C support.

Signed-off-by: Dirk Behme <dirk.behme@googlemail.com>





Add I2C support.

Signed-off-by: Dirk Behme <dirk.behme@googlemail.com>







Coding style cleanup, update CHANGELOG.
2008-12-16T00:02:17+00:00

Wolfgang Denk
wd@denx.de

2008-12-16T00:02:17+00:00

455ae7e87f67c44e6aea68865c83acadd3fcd36c

Signed-off-by: Wolfgang Denk <wd@denx.de>





Signed-off-by: Wolfgang Denk <wd@denx.de>







i2c: merge all i2c_reg_read() and i2c_reg_write() into inline functions
2008-12-15T22:46:21+00:00

Timur Tabi
timur@freescale.com

2008-12-03T17:28:30+00:00

ecf5f077c8e77454f532eaac3e3afb7cfc48c62d

All implementations of the functions i2c_reg_read() and
i2c_reg_write() are identical. We can save space and simplify the
code by converting these functions into inlines and putting them in
i2c.h.

Signed-off-by: Timur Tabi <timur@freescale.com>
Acked-By: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>





All implementations of the functions i2c_reg_read() and
i2c_reg_write() are identical. We can save space and simplify the
code by converting these functions into inlines and putting them in
i2c.h.

Signed-off-by: Timur Tabi <timur@freescale.com>
Acked-By: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>







Section name should be ".data", not "data"
2008-12-08T23:48:41+00:00

Trent Piepho
tpiepho@freescale.com

2008-11-13T01:29:48+00:00

5e3ab68e9acf9edf304b8aa32ad7e005483a2c47

Signed-off-by: Trent Piepho <tpiepho@freescale.com>
Signed-off-by: Wolfgang Denk <wd@denx.de>





Signed-off-by: Trent Piepho <tpiepho@freescale.com>
Signed-off-by: Wolfgang Denk <wd@denx.de>