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* i2c: import SMBus stuff from linuxAntony Pavlov2014-07-141-0/+57
| | | | | | | | | | | | | | | | | | | | This patch imports i2c_smbus_{read,write}* functions from linux-3.15. Here is a quote from linux.git/Documentation/i2c/smbus-protocol: If you write a driver for some I2C device, please try to use the SMBus commands if at all possible (if the device uses only that subset of the I2C protocol). This makes it possible to use the device driver on both SMBus adapters and I2C adapters (the SMBus command set is automatically translated to I2C on I2C adapters, but plain I2C commands can not be handled at all on most pure SMBus adapters). So having i2c_smbus_{read,write}* functions in barebox makes porting of linux i2c client drivers much easier as many drivers rely on these smbus functions. Signed-off-by: Antony Pavlov <antonynpavlov@gmail.com> Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
* Documentation: remove doxygen documentationSascha Hauer2014-06-261-4/+0
| | | | | | | The doxygen documentation is long outdated. Remove it. It will be replaced with sphinx based documentation later. Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
* i2c: implement of_find_i2c_adapter_by_nodeSascha Hauer2014-03-281-0/+1
| | | | Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
* i2c-omap: Update driverJan Weitzel2013-09-271-0/+1
| | | | | | | | | | | | | The driver didn't work well with at24 driver. NACKS are lost. Errors are lost in isr due to the local variable err. Also we didn't wait for bus free in omap_i2c_xfer_msg. Fix issues and get other improvements from linux kernel Tested on OMAP4 and AM335x Signed-off-by: Jan Weitzel <j.weitzel@phytec.de> Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
* Merge branch 'for-next/of-i2c'Sascha Hauer2013-06-021-0/+1
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| * i2c: Add devicetree supportSascha Hauer2013-05-311-0/+1
| | | | | | | | Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
* | treewide include/: Add missing includesSascha Hauer2013-05-311-0/+3
|/ | | | | | | This adds several missing includes to files under include/ which we relied on being included implicitly. Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
* I2C: Rename i2c_register_driver() for using with register_driver_macro()Alexander Shiyan2013-03-141-1/+1
| | | | | Signed-off-by: Alexander Shiyan <shc_work@mail.ru> Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
* eeprom: add at24 supportJean-Christophe PLAGNIOL-VILLARD2012-11-151-0/+35
| | | | | | | | | | | | | | | | | | | | | | This driver to get read/write support to most I2C EEPROMs, after you configure the driver to know about each EEPROM on your target board. Use these generic chip names, instead of vendor-specific ones like at24c64 or 24lc02: 24c00, 24c01, 24c02, spd (readonly 24c02), 24c04, 24c08, 24c16, 24c32, 24c64, 24c128, 24c256, 24c512, 24c1024 Unless you like data loss puzzles, always be sure that any chip you configure as a 24c32 (32 kbit) or larger is NOT really a 24c16 (16 kbit) or smaller, and vice versa. Marking the chip as read-only won't help recover from this. Also, if your chip has any software write-protect mechanism you may want to review the code to make sure this driver won't turn it on by accident. Based on linux 3.6 Signed-off-by: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com> Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
* i2c: introduce i2c_new_dummyJean-Christophe PLAGNIOL-VILLARD2012-11-151-0/+8
| | | | | | | | | This returns an I2C client bound to the "dummy" driver, intended for use with devices that consume multiple addresses. Examples of such chips include various EEPROMS (like 24c04 and 24c08 models). Signed-off-by: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com> Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
* i2c: add i2c-gpio supportJean-Christophe PLAGNIOL-VILLARD2012-11-151-0/+38
| | | | | | | 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>
* i2c: add i2c algo bit supportJean-Christophe PLAGNIOL-VILLARD2012-11-152-0/+57
| | | | | | | | | This is needed for i2c-gpio support 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>
* i2c: adapter: register it's own deviceJean-Christophe PLAGNIOL-VILLARD2012-11-151-1/+1
| | | | | | | | 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>
* I2C: Put I2C devices on their own busSascha Hauer2012-09-141-0/+8
| | | | | | | | This patch adds a I2C bus on which the I2C devices and drivers register. This makes it cleaner as I2C devices won't accidently end up probed by a platform_device driver. Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
* i2c: add platform_data for i2c_board_infoMarc Reilly2012-07-301-0/+1
| | | | | | Signed-off-by: Marc Reilly <marc@cpdesign.com.au> Acked-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de> Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
* Allow data-only i2c transfersRosen Kolev2011-10-071-0/+1
| | | | | | | | | | 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>
* move include files for mfd drivers to include/mfdSascha Hauer2010-10-115-665/+0
| | | | Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
* twl4030: Fix compiler warningsSascha Hauer2010-10-021-1/+1
| | | | Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
* add twl4030 supportSascha Hauer2010-08-061-0/+461
| | | | | Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de> Signed-off-by: Michael Grzeschik <m.grzeschik@pengutronix.de>
* i2c: Add missing defines for omapSascha Hauer2010-08-061-0/+2
| | | | Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
* i2c: add driver for the MC34704 PMICBaruch Siach2010-06-101-0/+26
| | | | | Signed-off-by: Baruch Siach <baruch@tkos.co.il> Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
* i2c: implement i2c_get_adapter()Sascha Hauer2010-05-261-0/+2
| | | | | | Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de> Signed-off-by: Eric Bénard <eric@eukrea.com> Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
* mc9s08dz60: Fixed incorrect register offsets.marc2010-04-121-34/+48
| | | | | | | These values dervied from Freescale source code for the mc9s08dz60 Signed-off-by: Marc Reilly <marc@cpdesign.com.au> Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
* i2c.h: fix typo in copyrightMarc Kleine-Budde2010-02-161-1/+1
| | | | Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>
* Merge branch 'for-sha-mx35-3-stack-updates' of ↵Sascha Hauer2010-01-192-4/+147
|\ | | | | | | ssh://git.pengutronix.de/git/mkl/barebox into next
| * mc13892: clean up driver interfaceMarc Kleine-Budde2010-01-181-2/+88
| | | | | | | | | | | | | | Export mc13892_reg_read, mc13892_reg_write and mc13892_set_bits function instead of exposing the i2c interface. Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>
| * mc9sdz60: clean up driver interfaceMarc Kleine-Budde2010-01-181-2/+59
| | | | | | | | | | | | | | Export mc9sdz60_reg_read, mc9sdz60_reg_write and mc9sdz60_set_bits function instead of exposing the i2c interface. Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>
* | I2C : add NS LP3972 PMIC supportEric Benard2010-01-161-0/+7
|/ | | | | Signed-off-by: Eric Benard <eric@eukrea.com> Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
* i2c: Add a no-op i2c_register_board_info if i2c is disabledSascha Hauer2009-12-181-0/+8
| | | | Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
* documentation updatesJuergen Beisert2009-12-151-0/+4
| | | | | Signed-off-by: Juergen Beisert <jbe@pengutronix.de> Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
* Cleanup colleteral damage from renamingSascha Hauer2009-12-151-1/+1
| | | | Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
* rename U-Boot-v2 project to bareboxSascha Hauer2009-12-151-1/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | This has been done with the following script: find -path ./.git -prune -o -type f -print0 | xargs -0 -r sed -i \ -e 's/u2boot/barebox/g' \ -e 's/U2Boot/barebox/g' \ -e 's/U-boot V2/barebox/g' \ -e 's/u-boot v2/barebox/g' \ -e 's/U-Boot V2/barebox/g' \ -e 's/U-Boot-v2/barebox/g' \ -e 's/U_BOOT/BAREBOX/g' \ -e 's/UBOOT/BAREBOX/g' \ -e 's/uboot/barebox/g' \ -e 's/u-boot/barebox/g' \ -e 's/u_boot/barebox/g' \ -e 's/U-Boot/barebox/g' \ -e 's/U-boot/barebox/g' \ -e 's/U-BOOT/barebox/g' find -path ./.git -prune -o \( -name "*u-boot*" -o -name "*uboot*" -o -name "*u_boot*" \) -print0 | \ xargs -0 -r rename 's/u[-_]?boot/barebox/' It needs some manual fixup following in the next patch Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
* mc9sdz60: driver addedMarc Kleine-Budde2009-12-031-0/+7
| | | | Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>
* mc13892: driver addedMarc Kleine-Budde2009-12-031-0/+7
| | | | Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>
* i2c: new frameworkMarc Kleine-Budde2009-12-031-0/+124
Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>
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