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path: root/drivers/power/twl4030.c
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* power: twl4030: Power off supportPaul Kocialkowski2015-08-121-0/+60
| | | | | | | | | | This adds support for powering off (the omap3 SoC) from the twl4030. This is especially useful when the kernel does not actually power off the device using this method but reboots and leaves it up to the bootloader to actually turn the power off. Reviewed-by: Tom Rini <trini@konsulko.com> Acked-by: Przemyslaw Marczak <p.marczak@samsung.com> Signed-off-by: Paul Kocialkowski <contact@paulk.fr>
* twl4030: device-index-specific MMC power initializations, common ramp-up delayPaul Kocialkowski2014-12-041-11/+17
| | | | | | | | | Not every device has multiple MMC slots available, so it makes sense to enable only the required LDOs for the available slots. Generic code in omap_hsmmc will enable both VMMC1 and VMMC2, in doubt. Signed-off-by: Paul Kocialkowski <contact@paulk.fr> Reviewed-by: Tom Rini <trini@ti.com>
* twl4030: VMMC2 3.2V enable on MMC initPaul Kocialkowski2014-10-311-0/+6
| | | | | | | | | This enables the VMMC2 LDO, which powers the MMC2 device. When the device starts from MMC2, this has already been enabled by the BootROM, but when starting from peripheral boot (USB, UART), it is not the case. Signed-off-by: Paul Kocialkowski <contact@paulk.fr> Acked-by: Pantelis Antoniou <panto@antoniou-consulting.com>
* Add GPL-2.0+ SPDX-License-Identifier to source filesWolfgang Denk2013-07-241-15/+1
| | | | | | Signed-off-by: Wolfgang Denk <wd@denx.de> [trini: Fixup common/cmd_io.c] Signed-off-by: Tom Rini <trini@ti.com>
* twl4030: make twl4030_i2c_read_u8 prototype consistentNishanth Menon2013-05-101-2/+2
| | | | | | | | | | | | u-boot standard i2c read prototype is i2c_read(addr, reg, 1, &buf, 1) twl4030_i2c_read_u8(u8 addr, u8 *val, u8 reg) does not provide consistency, so switch the prototype to be consistent with rest of u-boot i2c operations: twl4030_i2c_read_u8(u8 addr, u8 reg, u8 *val) Signed-off-by: Nishanth Menon <nm@ti.com>
* twl4030: make twl4030_i2c_write_u8 prototype consistentNishanth Menon2013-05-101-6/+6
| | | | | | | | | | | | u-boot standard i2c register write prototype is i2c_reg_write(u8 addr, u8 reg, u8 val) twl4030_i2c_write_u8(u8 addr, u8 val, u8 reg) does not provide consistency, so switch the prototype to be consistent with rest of u-boot i2c operations: twl4030_i2c_write_u8(u8 addr, u8 reg, u8 val) Signed-off-by: Nishanth Menon <nm@ti.com>
* twl4030: fix 'could could' in error messagesPeter Meerwald2013-01-141-2/+2
| | | | Signed-off-by: Peter Meerwald <p.meerwald@bct-electronic.com>
* twl4030: fix potential power supply handling issuesGrazvydas Ignotas2012-03-271-4/+14
| | | | | | | | | | | | | | twl4030_pmrecv_vsel_cfg currently first sets up device group (effectively enabling the supply), and only then sets vsel (selects voltage). This could lead to wrong voltage for a short time, or even long time if second i2c write fails. Fix this by writing vsel first and device group after that. Also introduce error checking to not enable the supply if we failed to set the voltage, and start logging errors as power supply problems are usually important. Signed-off-by: Grazvydas Ignotas <notasas@gmail.com>
* omap: TWL4030 Bump VMMC1 interface voltage from 3V to 3.15VAsh Charles2011-12-091-2/+2
| | | | | | | | | | | | MMC interfaces are specified to be 3.3V compatible with an operating voltage range of 3.1V to 3.5V for SD cards. This change affects hardware using TWL4030 (TPS6595x) PMICs and should improve the reliability when communicating with marginally-spec'd MMC devices. 3.15V is the highest possible level for this chip. This patch has been tested on a Gumstix Overo board. Signed-off-by: Ash Charles <ash@gumstix.com> Tested-by: Steve Sakoman <steve@sakoman.com>
* Prepare v2010.09-rc1Wolfgang Denk2010-09-101-1/+0
| | | | | | Coding style cleanup. Signed-off-by: Wolfgang Denk <wd@denx.de>
* ARMV7: OMAP: add convenience function to set TWL4030 regulator voltagesSteve Sakoman2010-09-081-39/+30
| | | | | | | | | | | This patch adds a function to allow one to easily set the target voltage for the TWL4030 regulators. It also modifies the existing code to use this new function. Applicable definitions are moved out of the driver file and into the header file so that they are generally accessible Signed-off-by: Steve Sakoman <steve@sakoman.com> Signed-off-by: Sandeep Paulraj <s-paulraj@ti.com>
* OMAP3 Move twl4030 mmc functionTom Rix2009-07-291-0/+15
| | | | | | | | | | | | | | | | | | | | | | Because twl4030 now has its own device files, move and rename twl4030_mmc_config. twl4030_mmc_config initializes the twl4030 power setting to the mmc device. Because it is in the twl4030 power domain, move it out of drivers/mmc/omap3_mmc.c and into drivers/power/twl4030.c. The function was renamed to twl4030_power_mmc_init because all the functions in this file are to have the format twl4030_power_<device>_<action> In this case the suffix is mmc_init so device : mmc action : init Signed-off-by: Tom Rix <Tom.Rix@windriver.com> Acked-by: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com> Acked-by: Heiko Schocher <hs@denx.de>
* OMAP3 Move twl4030 power and led functionsTom Rix2009-07-291-1/+54
| | | | | | | | | | | | | | | | | | | | | | | | Because twl4030 now has its own device files, move exiting omap3 power_init_r to a new location. power_init_r is the only function in board/omap3/common. It initializes the twl4030 power for the board and enables the led. The power part of the the function is moved to twl4030_power_init in drivers/power/twl4030.c The power compilation is conditional on the existing config variable CONFIG_TWL4030_POWER. The led part is moved to twl4030_led_init in the new file drivers/misc/twl4030_led.c The led compilation is conditional on the new config variable CONFIG_TWL4030_LED The directory board/omap3/common was removed because power_init_r was the only function in it. Signed-off-by: Tom Rix <Tom.Rix@windriver.com> Acked-by: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com> Acked-by: Heiko Schocher <hs@denx.de>
* TWL4030 Add power reset buttonTom Rix2009-07-281-0/+47
The Zoom2 power reset button is on the top right side of the main board. Press and hold for about to 8 seconds to completely reset the board. Some of the beta boards have a hardware problem that prevents using this feature. If is difficult to further characterize the boards that fail. So disable resetting for all beta boards. The Zoom1 reset button is the red circle on the top right, front of the board. Press and hold the button for 8 seconds to completely reset the board. After analyzing beagle, it was determined that other boards that use the twl4030 for power managment can also make use this function. The resetting is done by the power management part of the twl4030. Since there is no existing drivers/power, add one. The compilation of power/twl4030.h is controlled by the config variable CONFIG_TWL4030_POWER Signed-off-by: Tom Rix <Tom.Rix@windriver.com> Acked-by: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com> Acked-by: Heiko Schocher <hs@denx.de>
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