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* dm: i2c: add i2c-gpio driverPrzemyslaw Marczak2015-04-18-0/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | This commit adds driver model support to software emulated i2c bus driver. This driver supports kernel-style device tree bindings. Fdt properties in use: - compatible - "i2c-gpio" - gpios - data and clock GPIO pin phandles - delay-us - micro seconds delay between GPIOs toggle operations, which is 1/4 of I2C speed clock period. Added: - Config: CONFIG_DM_I2C_GPIO - File: drivers/i2c/i2c-gpio.c - File: doc/device-tree-bindings/i2c/i2c-gpio.txt Driver base code is taken from: drivers/i2c/soft-i2c.c, changes: - use "i2c-gpio" naming - update comments style - move preprocesor macros into functions - add device tree support - add driver model i2c support - code cleanup, - add Kconfig entry Signed-off-by: Przemyslaw Marczak <p.marczak@samsung.com> Acked-by: Simon Glass <sjg@chromium.org> Added braces in i2c_gpio_xfer() to fix style nit: Signed-off-by: Simon Glass <sjg@chromium.org>
* lpc32xx: i2c: add LPC32xx I2C interface supportAlbert ARIBAUD \(3ADEV\)2015-04-10-0/+1
| | | | Signed-off-by: Albert ARIBAUD (3ADEV) <albert.aribaud@3adev.fr>
* dm: i2c: Add a compatbility layerSimon Glass2015-01-29-0/+1
| | | | | | | | | | | | | For boards which use multiple I2C devices, or for SOCs which support multiple boards, we might want to convert these to driver model at different times. At present this is difficult because we need to either use CONFIG_DM_I2C for a board or not. Add a compatibility layer which implements the old API, thus allowing a board to move to driver model for I2C without requiring that everything it uses is moved in the same commit. Signed-off-by: Simon Glass <sjg@chromium.org>
* i2c: UniPhier: add driver for UniPhier FIFO-builtin i2c controllerMasahiro Yamada2015-01-29-0/+1
| | | | | | | | | | This commit adds on-chip I2C driver used on newer SoCs of Panasonic UniPhier platform. Signed-off-by: Masahiro Yamada <yamada.m@jp.panasonic.com> Reviewed-by: Simon Glass <sjg@chromium.org> Acked-by: Simon Glass <sjg@chromium.org> Acked-by: Heiko Schocher <hs@denx.de>
* i2c: UniPhier: add driver for UniPhier i2c controllerMasahiro Yamada2015-01-29-0/+1
| | | | | | | | | | This commit adds on-chip I2C driver used on some old Panasonic UniPhier SoCs. Signed-off-by: Masahiro Yamada <yamada.m@jp.panasonic.com> Reviewed-by: Simon Glass <sjg@chromium.org> Acked-by: Simon Glass <sjg@chromium.org> Acked-by: Heiko Schocher <hs@denx.de>
* dm: i2c: Add a sandbox I2C driverSimon Glass2014-12-11-1/+1
| | | | | | | | | This driver includes some test features such as only supporting certain bus speeds. It passes its I2C traffic through to an emulator. Acked-by: Heiko Schocher <hs@denx.de> Signed-off-by: Simon Glass <sjg@chromium.org> Reviewed-by: Masahiro Yamada <yamada.m@jp.panasonic.com>
* dm: i2c: Add I2C emulation driver for sandboxSimon Glass2014-12-11-0/+1
| | | | | | | | | In order to test I2C we need some sort of emulation interface. Add hooks to allow a driver to emulate an I2C device for sandbox. Signed-off-by: Simon Glass <sjg@chromium.org> Acked-by: Heiko Schocher <hs@denx.de> Reviewed-by: Masahiro Yamada <yamada.m@jp.panasonic.com>
* dm: i2c: Add a uclass for I2CSimon Glass2014-12-11-0/+1
| | | | | | | | | | | | | | The uclass implements the same operations as the current I2C framework but makes some changes to make it fit driver model better: - Remove the chip address from API calls - Remove the address length from API calls - Remove concept of 'current' I2C bus - Drop all existing init functions Acked-by: Heiko Schocher <hs@denx.de> Reviewed-by: Masahiro Yamada <yamada.m@jp.panasonic.com> Signed-off-by: Simon Glass <sjg@chromium.org>
* blackfin: rename bfin-twi_i2c driver to adi_i2cScott Jiang2014-11-17-1/+1
| | | | Signed-off-by: Scott Jiang <scott.jiang.linux@gmail.com>
* i2c: designware: Convert driver to multibus/multiadapter frameworkStefan Roese2014-10-29-1/+1
| | | | | | | | | | | | | | | | | | | | | In preparation for the SoCFPGA support of the designware I2C driver, convert this driver to the common CONFIG_SYS_I2C framework. This patch converts all users of this driver, this is: - ST spearxxx boards - AXS101 (ARC700 platform) I couldn't test this patch on those boards. Only compile tested for all spear boards. And tested on SoCFPGA. Signed-off-by: Stefan Roese <sr@denx.de> Reviewed-by: Marek Vasut <marex@denx.de> Acked-by: Alexey Brodkin <abrodkin@synopsys.com> Tested-by: Alexey Brodkin <abrodkin@synopsys.com> Cc: Heiko Schocher <hs@denx.de> Cc: Vipin Kumar <vk.vipin@gmail.com> Cc: Jeroen Hofstee <jeroen@myspectrum.nl>
* i2c: mxs: Add basic support for i2c frameworkMarek Vasut2014-10-29-1/+1
| | | | | | | | | | | This patch just converts the function prototypes used throughout this driver to match those of the i2c framework. There is so far no functional change. This patch does not do the deeper integration of the framework bits. Signed-off-by: Marek Vasut <marex@denx.de> Cc: Stefano Babic <sbabic@denx.de> Cc: Heiko Schocher <hs@denx.de>
* Merge branch 'u-boot-sunxi/master' into 'u-boot-arm/master'Albert ARIBAUD2014-07-28-1/+1
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| * mvtwsi: convert to CONFIG_SYS_I2C frameworkHans de Goede2014-07-16-1/+1
| | | | | | | | | | | | | | | | | | | | | | | | Note this has only been tested on Allwinner sunxi devices (support for which gets introduced by a later patch). The kirkwood changes have been compile tested using the wireless_space board config, the orion5x changes have been compile tested using the edminiv2 board config. Signed-off-by: Hans de Goede <hdegoede@redhat.com> Acked-by: Heiko Schocher <hs@denx.de>
* | i2c: IHS I2C master driverDirk Eibach2014-07-07-0/+1
|/ | | | | | | | IHS I2C master support was merely a hack in the osd driver. Now it is a proper u-boot I2C framework driver, supporting the v2.00 master features. Signed-off-by: Dirk Eibach <dirk.eibach@gdsys.cc>
* i2c, davinci: convert driver to new mutlibus/mutliadapter frameworkVitaly Andrianov2014-04-17-1/+1
| | | | | | | | | - add davinci driver to new multibus/multiadpater support - adapted all config files, which uses this driver Signed-off-by: Vitaly Andrianov <vitalya@ti.com> Signed-off-by: Murali Karicheri <m-karicheri2@ti.com> Acked-by: Heiko Schocher <hs@denx.de>
* i2c: kona: Add Kona I2C driverDarwin Rambo2014-02-22-0/+1
| | | | | | | | Add support for the Kona I2C controller found on Broadcom mobile SoCs. Signed-off-by: Darwin Rambo <drambo@broadcom.com> Reviewed-by: Steve Rae <srae@broadcom.com> Reviewed-by: Tim Kryger <tkryger@linaro.org>
* driver:i2c:s3c24x0: adapt driver to new i2cPiotr Wilczek2013-12-05-1/+1
| | | | | | | | | | | | | | | | This patch adapts the s3c24x0 driver to the new i2c framework. Config file is modified for all the boards that use the driver. Signed-off-by: Piotr Wilczek <p.wilczek@samsung.com> Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com> CC: Minkyu Kang <mk7.kang@samsung.com> CC: Heiko Schocher <hs@denx.de> CC: Inderpal Singh <inderpal.singh@linaro.org> CC: David Müller <d.mueller@elsoft.ch> CC: Chander Kashyap <k.chander@samsung.com> CC: Lukasz Majewski <l.majewski@samsung.com> Tested-by: Naveen Krishna Chatradhi <ch.naveen@samsung.com> Reviewed-by: Naveen Krishna Chatradhi <ch.naveen@samsung.com>
* i2c, omap1510: remove i2c driverHeiko Schocher2013-11-13-1/+0
| | | | | | | | remove omap1510 i2c driver, as there is no board which uses it Signed-off-by: Heiko Schocher <hs@denx.de> Cc: Tom Rini <trini@ti.com> Cc: Jian Zhang <jzhang@ti.com>
* i2c, zynq: convert zynq i2c driver to new multibus/multiadapter frameworkHeiko Schocher2013-11-13-1/+1
| | | | | | | | | - add zync i2c driver to new multibus/multiadpater support - adapted all config files, which uses this driver Signed-off-by: Heiko Schocher <hs@denx.de> Cc: Joe Hershberger <joe.hershberger@ni.com> Cc: Michal Simek <michal.simek@xilinx.com>
* i2c, omap24xx: convert driver to new mutlibus/mutliadapter frameworkHeiko Schocher2013-11-13-2/+2
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | - add omap24xx driver to new multibus/multiadpater support - adapted all config files, which uses this driver Tested on the am335x based siemens boards rut, dxr2 and pxm2 posted here: http://patchwork.ozlabs.org/patch/263211/ Signed-off-by: Heiko Schocher <hs@denx.de> Tested-by: Tom Rini <trini@ti.com> Cc: Lars Poeschel <poeschel@lemonage.de> Cc: Steve Sakoman <sakoman@gmail.com> Cc: Thomas Weber <weber@corscience.de> Cc: Tom Rix <Tom.Rix@windriver.com> Cc: Grazvydas Ignotas <notasas@gmail.com> Cc: Enric Balletbo i Serra <eballetbo@iseebcn.com> Cc: Luca Ceresoli <luca.ceresoli@comelit.it> Cc: Igor Grinberg <grinberg@compulab.co.il> Cc: Ilya Yanok <yanok@emcraft.com> Cc: Stefano Babic <sbabic@denx.de> Cc: Nishanth Menon <nm@ti.com> Cc: Pali Rohár <pali.rohar@gmail.com> Cc: Peter Barada <peter.barada@logicpd.com> Cc: Nagendra T S <nagendra@mistralsolutions.com> Cc: Michael Jones <michael.jones@matrix-vision.de> Cc: Raphael Assenat <raph@8d.com> Acked-by: Igor Grinberg <grinberg@compulab.co.il> Acked-by: Stefano Babic <sbabic@denx.de>
* i2c: sh_i2c: Update to new CONFIG_SYS_I2C frameworkNobuhiro Iwamatsu2013-11-13-1/+1
| | | | | | | | This updates to new I2C framwwork on sh_i2c. And this also updates boards(kzm9g and ecovec) that using sh_i2c. Signed-off-by: Nobuhiro Iwamatsu <nobuhiro.iwamatsu.yj@renesas.com> Signed-off-by: Nobuhiro Iwamatsu <iwamatsu@nigauri.org>
* drivers: convert makefiles to Kbuild styleMasahiro Yamada2013-10-31-46/+24
| | | | Signed-off-by: Masahiro Yamada <yamada.m@jp.panasonic.com>
* i2c: Add support for Renesas rcarNobuhiro Iwamatsu2013-10-17-0/+1
| | | | | | | This supports i2c controller for Renesas rcar. Signed-off-by: Hisashi Nakamura <hisashi.nakamura.ak@renesas.com> Signed-off-by: Nobuhiro Iwamatsu <nobuhiro.iwamatsu.yj@renesas.com>
* i2c: mxc: move to new subsystemtrem2013-10-17-1/+1
| | | | Signed-off-by: Philippe Reynes <tremyfr@yahoo.fr>
* drivers: s3c44b0_i2c: delete an unused driverMasahiro Yamada2013-09-19-1/+0
| | | | | | | | | | Since commit 5dc5f36 removed B2 board support, there are no boards enabling s3c44b0_i2c. Signed-off-by: Masahiro Yamada <yamada.m@jp.panasonic.com> Cc: Wolfgang Denk <wd@denx.de> Cc: Andrea Scian <andrea.scian@dave-tech.it> Acked-by: Heiko Schocher <hs@denx.de>
* Merge branch 'master' of git://git.denx.de/u-boot-i2cTom Rini2013-07-24-4/+6
|\ | | | | | | | | | | | | | | | | | | | | The sandburst-specific i2c drivers have been deleted, conflict was just over the SPDX conversion. Conflicts: board/sandburst/common/ppc440gx_i2c.c board/sandburst/common/ppc440gx_i2c.h Signed-off-by: Tom Rini <trini@ti.com>
| * i2c: add Faraday FTI2C010 I2C controller supportKuo-Jung Su2013-07-23-0/+1
| | | | | | | | | | | | | | | | | | Faraday FTI2C010 is a multi-function I2C controller which supports both master and slave mode. This patch simplily implements the master mode only. Signed-off-by: Kuo-Jung Su <dantesu@faraday-tech.com> CC: Heiko Schocher <hs@denx.de>
| * i2c, ppc4xx_i2c: switch to new multibus/multiadapter supportDirk Eibach2013-07-23-1/+1
| | | | | | | | | | | | | | Signed-off-by: Dirk Eibach <dirk.eibach@gdsys.cc> Cc: Heiko Schocher <hs@denx.de> Cc: Stefan Roese <sr@denx.de> Tested-by: Stefan Roese <sr@denx.de>
| * tegra: i2c: Enable new CONFIG_SYS_I2C frameworkSimon Glass2013-07-23-1/+1
| | | | | | | | | | | | | | | | This enables CONFIG_SYS_I2C on Tegra, updating existing boards and the Tegra i2c driver to support this. Signed-off-by: Simon Glass <sjg@chromium.org> Signed-off-by: Heiko Schocher <hs@denx.de>
| * i2c, fsl_i2c: switch to new multibus/multiadapter supportHeiko Schocher2013-07-23-1/+1
| | | | | | | | | | | | | | | | | | - added to fsl_i2c driver new multibus/multiadpater support - adapted all config files, which uses this driver Signed-off-by: Heiko Schocher <hs@denx.de> Cc: Simon Glass <sjg@chromium.org> Cc: Stephen Warren <swarren@wwwdotorg.org>
| * i2c, soft-i2c: switch to new multibus/multiadapter supportHeiko Schocher2013-07-23-1/+1
| | | | | | | | | | | | | | | | | | - added to soft_i2c driver new multibus/multiadpater support - adapted all config files, which uses this driver Signed-off-by: Heiko Schocher <hs@denx.de> Cc: Simon Glass <sjg@chromium.org> Cc: Stephen Warren <swarren@wwwdotorg.org>
| * i2c: add i2c_core and prepare for new multibus supportHeiko Schocher2013-07-23-0/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | This Patch introduce the new i2c_core file, which holds the I2C core functions, for the rework of the multibus/ multiadapter support. Also adds changes in i2c.h for the new I2C multibus/multiadapter support. This new support can be activated with the CONFIG_SYS_I2C define. Signed-off-by: Heiko Schocher <hs@denx.de> Signed-off-by: Simon Glass <sjg@chromium.org> Cc: Mike Frysinger <vapier@gentoo.org> Cc: Stephen Warren <swarren@wwwdotorg.org>
* | Add GPL-2.0+ SPDX-License-Identifier to source filesWolfgang Denk2013-07-24-17/+1
|/ | | | | | Signed-off-by: Wolfgang Denk <wd@denx.de> [trini: Fixup common/cmd_io.c] Signed-off-by: Tom Rini <trini@ti.com>
* i2c: zynq: Add support for Xilinx ZynqMichal Simek2013-04-30-0/+1
| | | | | | | | | Support Xilinx Zynq i2c controller. Signed-off-by: Joe Hershberger <joe.hershberger@ni.com> Signed-off-by: Michal Simek <michal.simek@xilinx.com> Acked-by: Heiko Schocher <hs@denx.de> Reviewed-by: Tom Rini <trini@ti.com>
* i2c: Add support for designware i2c controllerVipin KUMAR2012-04-24-1/+1
| | | | | | | | | | | | | Earlier, a driver exists in the u-boot source for designware i2c interface. That driver was specific to spear platforms. This patch implements the i2c controller as a generic driver which can be used by multiple platforms The driver files are now renamed to designware_i2c.c and designware_i2c.h and these are moved into drivers/i2c folder for reusability by other platforms Signed-off-by: Vipin Kumar <vipin.kumar@st.com> Signed-off-by: Amit Virdi <amit.virdi@st.com>
* sh: i2c: Add support I2C controller of SH7734Nobuhiro Iwamatsu2012-04-24-0/+1
| | | | | | | | | | | | | | | | | | | | | | Renesas SH7734 has two I2C interfaceis. This supports these I2C. V5: - include i2c.h. - Add check of icsr bit polling logic. - Implement i2c_probe. V4: - Remove sh_i2c_dump_reg function. - Use puts() when there's no format. - Chnage check for I2C bus number. - Remove space before the semi-colon. V3: - Fix error for whitespace. V2: - Changed bit control to use the clr|set|clrsetbits_* functions. - Fix wrong comment style. - Add new line before for loop in i2c_read. Signed-off-by: Nobuhiro Iwamatsu <nobuhiro.iwamatsu.yj@renesas.com> Acked-by: Heiko Schocher <hs@denx.de> Signed-off-by: Nobuhiro Iwamatsu <iwamatsu@nigauri.org> Acked-by: Mike Frysinger <vapier@gentoo.org>
* tegra: i2c: Add I2C driverYen Lin2012-03-29-0/+1
| | | | | | | | | | | | | Add basic i2c driver for Tegra2 with 8- and 16-bit address support. The driver requires CONFIG_OF_CONTROL to obtain its configuration from the device tree. (Simon Glass: sjg@chromium.org modified for upstream) Signed-off-by: Simon Glass <sjg@chromium.org> Acked-by: Heiko Schocher <hs@denx.de> Acked-by: Stephen Warren <swarren@wwwdotorg.org> Signed-off-by: Tom Warren <twarren@nvidia.com>
* i2c: sh: Add support I2C for Renesas SHNobuhiro Iwamatsu2011-11-23-0/+1
| | | | | | | | This supports I2C of Renesas SH. I tested on SH7724. Signed-off-by: Nobuhiro Iwamatsu <nobuhiro.iwamatsu.yj@renesas.com> CC: Heiko Schocher <hs@denx.de>
* iMX28: Add I2C bus driverMarek Vasut2011-11-11-0/+1
| | | | | | | | | Signed-off-by: Marek Vasut <marek.vasut@gmail.com> Cc: Heiko Schocher <hs@denx.de> Cc: Stefano Babic <sbabic@denx.de> Cc: Wolfgang Denk <wd@denx.de> Cc: Detlev Zundel <dzu@denx.de> Acked-by: Heiko Schocher<hs@denx.de>
* I2C: Add driver for ST-Ericsson U8500 i2cMichael Brandt2011-06-01-0/+1
| | | | | Signed-off-by: John Rigby <john.rigby@linaro.org> CC: Heiko Schocher <hs@denx.de>
* pxa: move i2c driver to the common placeLei Wen2011-04-27-0/+1
| | | | | | | | | For better sharing with other platform other than pxa's, it is more convenient to put the driver to the common place. Acked-by: Heiko Schocher <hs@denx.de> Acked-by: Prafulla Wadaskar <prafulla@marvell.com> Signed-off-by: Lei Wen <leiwen@marvell.com>
* Switch from archive libraries to partial linkingSebastien Carlier2010-11-17-2/+2
| | | | | | | | | | | | | | | | | | | | | | | | | | | Before this commit, weak symbols were not overridden by non-weak symbols found in archive libraries when linking with recent versions of binutils. As stated in the System V ABI, "the link editor does not extract archive members to resolve undefined weak symbols". This commit changes all Makefiles to use partial linking (ld -r) instead of creating library archives, which forces all symbols to participate in linking, allowing non-weak symbols to override weak symbols as intended. This approach is also used by Linux, from which the gmake function cmd_link_o_target (defined in config.mk and used in all Makefiles) is inspired. The name of each former library archive is preserved except for extensions which change from ".a" to ".o". This commit updates references accordingly where needed, in particular in some linker scripts. This commit reveals board configurations that exclude some features but include source files that depend these disabled features in the build, resulting in undefined symbols. Known such cases include: - disabling CMD_NET but not CMD_NFS; - enabling CONFIG_OF_LIBFDT but not CONFIG_QE. Signed-off-by: Sebastien Carlier <sebastien.carlier@gmail.com>
* i2c: rename kirkwood_i2c to mvtwsiAlbert Aribaud2010-08-30-1/+1
| | | | | | | | | This driver is not kirkwood-specific and can also be used e.g. by orion5x. Rename to a SoC-neutral name. Signed-off-by: Albert Aribaud <albert.aribaud@free.fr> Acked-by: Prafulla Wadaskar<prafulla@marvell.com> Acked-by: Heiko Schocher<hs@denx.de>
* i2c: Move PPC4xx I2C driver into drivers/i2c directoryStefan Roese2010-04-06-0/+1
| | | | | | | | This patch moves the PPC4xx specific I2C device driver into the I2C drivers directory. All 4xx config headers are updated to include this driver. Signed-off-by: Stefan Roese <sr@denx.de>
* mod change 755 => 644 for multiple filesThomas Weber2010-03-21-0/+0
| | | | | | | | I executed 'find . -name "*.[chS]" -perm 755 -exec chmod 644 {} \;' Signed-off-by: Thomas Weber <swirl@gmx.li> Add some more: neither Makefile nor config.mk need execute permissions. Signed-off-by: Wolfgang Denk <wd@denx.de>
* SPEAr : i2c driver support added for SPEAr SoCsVipin KUMAR2010-01-23-0/+1
| | | | | | | SPEAr SoCs contain a synopsys i2c controller. This patch adds the driver for this IP. Signed-off-by: Vipin <vipin.kumar@st.com>
* new PCA9564 i2c bridge driverValentin Yakovenkov2009-10-30-0/+1
| | | | | Signed-off-by: Valentin Yakovenkov <yakovenkov@niistt.ru> Signed-off-by: Mike Frysinger <vapier@gentoo.org>
* arm, i2c: added support for the TWSI I2C InterfaceHeiko Schocher2009-07-28-0/+1
| | | | Signed-off-by: Heiko Schocher <hs@denx.de>
* s3c24x0: move i2c driver to drivers/i2cJean-Christophe PLAGNIOL-VILLARD2009-03-30-0/+1
| | | | Signed-off-by: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>
* davinci: move i2c driver to drivers/i2cJean-Christophe PLAGNIOL-VILLARD2009-03-30-0/+1
| | | | Signed-off-by: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>
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