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path: root/drivers/regulator
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2013-04-17regulator: ab8500: Don't update info->update_val if write to register failsAxel Lin
This patch ensures info->update_val is consistent with current register value. Signed-off-by: Axel Lin <axel.lin@ingics.com> Acked-by: Bengt Jonsson <bengt.g.jonsson@stericsson.com> Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
2013-04-17regulator: palmas: add support for LDO8 tracking modeLaxman Dewangan
LDO8 of Palma device like tps65913 support the tracking mode on which LDO8 track the SMPS45 voltage when SMPS45 is ON and use the LDO8.VOLTAGE_SEL register when SMPS45 is OFF. On track mode, the steps of voltage change for LDO8 is 25mV where in non-tracking mode it is 50mV. Set the steps accordingly. Number of voltage count is still same for both the cases. Signed-off-by: Laxman Dewangan <ldewangan@nvidia.com> Acked-by: Graeme Gregory <gg@slimlogic.co.uk> Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
2013-04-17regulator: palmas: support for external regulator through control outputsLaxman Dewangan
Palmas device have control outputs like REGEN1, REGEN2, REGEN3, SYSEN1 and SYSEN2. These control outputs can be used for controlling external voltage switches to enabled/disable voltage outputs. Add support of these control outputs through regulator framework. Signed-off-by: Laxman Dewangan <ldewangan@nvidia.com> Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
2013-04-17regulator: palmas: clear sleep bits if not selectedLaxman Dewangan
Clear the sleep/warm reset bits when it is not selected through regulator platform data. This will make sure that configuration is inline with the platform data regardless of boot/POR configuration. Signed-off-by: Laxman Dewangan <ldewangan@nvidia.com> Acked-by: Graeme Gregory <gg@slimlogic.co.uk> Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
2013-04-17regulator: core: return err value for regulator_get if there is no DT bindingNishanth Menon
commit 6d191a5fc7a969d972f1681e1c23781aecb06a61 (regulator: core: Don't defer probe if there's no DT binding for a supply) Attempted to differentiate between regulator_get() with an actual DT binding for the supply and when there is none to avoid unnecessary deferal. However, ret value supplied by regulator_dev_lookup() is being ignored by regulator_get(). So, exit with the appropriate return value. Signed-off-by: Nishanth Menon <nm@ti.com> Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
2013-04-17regulator: as3711: Use a static of_regulator_match table for of_regulator_matchAxel Lin
The same table can be used for multiple instance of pdev, so we don't need to allocate memory for of_regulator_match table per pdev. match->driver_data points to the corresponding entry of as3711_reg_info, however it is not used in current code, thus this patch does not set driver_data in the of_regulator_match table. Signed-off-by: Axel Lin <axel.lin@ingics.com> Acked-by: Guennadi Liakhovetski <g.liakhovetski@gmx.de> Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
2013-04-16regulator: ab8500: Optimize ab8540_aux3_regulator_get_voltage_selAxel Lin
We can save a register read operation in some case if read expand_register first. If info->expand_register.voltage_mask bit is set, no need to read voltage_reg. Signed-off-by: Axel Lin <axel.lin@ingics.com> Acked-by: Bengt Jonsson <bengt.g.jonsson@stericsson.com> Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
2013-04-16regulator: rc5t583: Remove unused fields from struct rc5t583_regulator_infoAxel Lin
The *dev and *mfd of struct rc5t583_regulator_info are not used after convert to use regmap, remove them. Signed-off-by: Axel Lin <axel.lin@ingics.com> Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
2013-04-16Convert selectors of GENERIC_GPIO to GPIOLIBAlexandre Courbot
GENERIC_GPIO is now equivalent to GPIOLIB and features that depended on GENERIC_GPIO can now depend on GPIOLIB to allow removal of this option. Signed-off-by: Alexandre Courbot <acourbot@nvidia.com> Acked-by: Linus Walleij <linus.walleij@linaro.org> Acked-by: Grant Likely <grant.likely@secretlab.ca>
2013-04-15regulator: max8997: Test pdata by NULL checking instead of IS_ERR_OR_NULLAxel Lin
pdata is either a valid pointer or NULL, use NULL checking rather than IS_ERR_OR_NULL macro. Signed-off-by: Axel Lin <axel.lin@ingics.com> Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
2013-04-15regulator: ab8500: Fix voltage_shift setting for AB8540_LDO_DMICAxel Lin
The voltage_mask is 0xc0, thus we need to set voltage_shift = 6 to get correct selector in get_voltage_sel and set_voltage_sel. Signed-off-by: Axel Lin <axel.lin@ingics.com> Acked-by: Bengt Jonsson <bengt.g.jonsson@stericsson.com> Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
2013-04-12regulator: ab8500: Fix voltage_mask for AB8505_LDO_AUDIOAxel Lin
The voltage_mask and voltage_shift settings of AB8505_LDO_AUDIO are not matched. It looks like a typo in the voltage_mask settings. Signed-off-by: Axel Lin <axel.lin@ingics.com> Acked-by: Bengt Jonsson <bengt.g.jonsson@stericsson.com> Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
2013-04-11regulator: wm8994: Use GPIO parsed from DT when registering regulatorsSylwester Nawrocki
Ensure the regulators are registered with a GPIO parsed from the device tree when available. Signed-off-by: Sylwester Nawrocki <s.nawrocki@samsung.com> Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
2013-04-11regulator: ab8500: Unregister ab8500-ext regulators in probe() failure pathAxel Lin
Signed-off-by: Axel Lin <axel.lin@ingics.com> Acked-by: Bengt Jonsson <bengt.g.jonsson@stericsson.com> Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
2013-04-11regulator: ab8500-ext: Make the return type of ab8500_ext_regulator_exit() voidAxel Lin
ab8500_ext_regulator_exit() never fails. Signed-off-by: Axel Lin <axel.lin@ingics.com> Acked-by: Bengt Jonsson <bengt.g.jonsson@stericsson.com> Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
2013-04-08regulator: ab8500-ext: Remove get_voltage to avoid duplicate implementationAxel Lin
The implementation of ab8500_ext_fixed_get_voltage is identical to ab8500_ext_list_voltage. We can avoid the duplicate implementation by just remove get_voltage. For fixed regulator, regulator core will call list_voltage(rdev, 0) to get voltage if both get_voltage get_voltage_sel are not implemented. Signed-off-by: Axel Lin <axel.lin@ingics.com> Acked-by: Lee Jones <lee.jones@linaro.org> Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
2013-04-08regulator: ab8500-ext: Remove unnecessary checking for ab9540 and ab8540Axel Lin
This code was added by commit 0fe17e20a6 "regulator: ab8500-ext: Add support for AB9540 regulators" and commit bd44e2cb "regulator: ab8500: Also check for AB8505 based platforms" The original patch[1] is to set info->desc.ops = &ab9540_ext_regulator_ops. However, ab9540_ext_regulator_ops is identical to ab8500_ext_regulator_ops[2]. Thus we can complete remove the unnecessary checking for ab9540 and ab8540. [1] https://lkml.org/lkml/2013/3/28/333 [2] https://lkml.org/lkml/2013/4/1/178 Signed-off-by: Axel Lin <axel.lin@ingics.com> Acked-by: Lee Jones <lee.jones@linaro.org> Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
2013-04-08regulator: ab8500-ext: Get rid of is_enabled from struct ↵Axel Lin
ab8500_ext_regulator_info The intention of this patch is to simplify the code. Maintain the is_enabled flag is not trivial, it not only needs to set/clear the flag in disable()/enable() but also needs to set the flag in is_enable() to get initial status. The only benefit of keeping is_enabled flag is just save a register read when set_mode(). Remove is_enabled flag makes the code simpler. Signed-off-by: Axel Lin <axel.lin@ingics.com> Acked-by: Lee Jones <lee.jones@linaro.org> Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
2013-04-08regulator: ab8500: Get rid of is_enabled from struct ab8500_regulator_infoAxel Lin
The intention of this patch is to simplify the code. Maintain the is_enabled flag is not trivial, it not only needs to set/clear the flag in disable()/enable() but also needs to set the flag in is_enable() to get initial status. The only benefit of keeping is_enabled flag is just save a register read when set_mode(). Remove is_enabled flag makes the code simpler. This patch also moves ab8500_regulator_is_enabled() close to ab8500_regulator_[en|dis]able functions. This is required to avoid a forward declaration because now we call ab8500_regulator_is_enabled() in ab8500_regulator_set_mode(). This change also makes the code better in readability by moving similar functions to one place. Signed-off-by: Axel Lin <axel.lin@ingics.com> Acked-by: Lee Jones <lee.jones@linaro.org> Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
2013-04-07regulator: wm8994: Provide default init dataMark Brown
Almost all systems use the regulators on the WM8994 series devices to provide DCVDD and AVDD1 so if no init data is supplied then set up the supplies for the user. This simplifies integration of the device into systems, especially when device tree is supported. Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
2013-04-05regulator: ab8500: Remove ab8500_regulator_set_voltage_time_selAxel Lin
All users of ab8500_regulator_volt_mode_ops and ab8500_regulator_volt_ops do not set info->desc.enable_time, thus set_voltage_time_sel() always returns 0. Remove it. Signed-off-by: Axel Lin <axel.lin@ingics.com> Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
2013-04-05regulator: max8952: Add Device Tree supportTomasz Figa
This patch adds Device Tree support to max8952 regulator driver. Signed-off-by: Tomasz Figa <t.figa@samsung.com> Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com> Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
2013-04-05regulator: max8952: Separate constraints from platform data structTomasz Figa
This patch modifies platform data structure of max8952 driver to use pointer to regulator_init_data struct instead of embedding it. This is a prerequisite for adding Device Tree support for the driver. Signed-off-by: Tomasz Figa <t.figa@samsung.com> Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com> Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
2013-04-05regulator: core: don't require a supply when supply_name is specifiedAndrew Bresticker
Regulator drivers may specify regulator_desc->supply_name which regulator_register() will use to find the supply node for a regulator. If no supply was specified in the device tree or the supply has yet to be registered regulator_register() will fail, deferring the probe of the regulator. In the case where no supply node was specified in the device tree, there is no supply and it is pointless to try and find one later, so go ahead and add the regulator without the supply. Signed-off-by: Andrew Bresticker <abrestic@chromium.org> Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
2013-04-05regulator: wm8994: Convert to module_platform_driver()Mark Brown
The regulators can only be used to supply the CODEC so we don't need to worry about users that still need fudges for init ordering issues. Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
2013-04-03regulator: lp8788: Implement list_voltage for lp8788_ldo_voltage_fixed_opsAxel Lin
For fixed voltage, we can just set min_uV and use regulator_list_voltage_linear for list_voltage callback. Regulator core will call list_voltage(rdev, 0) if both get_voltage get_voltage_sel are not implemented. Thus we can also remove lp8788_ldo_fixed_get_voltage() function. Signed-off-by: Axel Lin <axel.lin@ingics.com> Acked-by: Milo Kim <milo.kim@ti.com> Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
2013-04-03regulator: lp8788: Remove lp8788_dldo_id and lp8788_aldo_id arraysAxel Lin
The id for DLDOx matches the entries in enum lp8788_ldo_id and it's easy to calculate the id for ALDOx. Thus remove lp8788_dldo_id and lp8788_aldo_id arrays. Signed-off-by: Axel Lin <axel.lin@ingics.com> Acked-by: Milo Kim <milo.kim@ti.com> Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
2013-04-03regulator: ab8500: Add missing volt_table setting for AB8540_LDO_TVOUTAxel Lin
This is required for regulator_list_voltage_table() to properly work. Signed-off-by: Axel Lin <axel.lin@ingics.com> Signed-off-by: Lee Jones <lee.jones@linaro.org> Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
2013-04-03regulator: ab8500: Fix list_voltage for fixed voltage regulatorsAxel Lin
commit b080c78a4e447e9c212c207f725999d4e32c5f19 "regulator: ab8500: Update voltage handling for fixed voltage regulators" removes min_uV settings and sets volt_table for all fixed voltages, thus we can not use regulator_list_voltage_linear now. Use regulator_list_voltage_table instead. Signed-off-by: Axel Lin <axel.lin@ingics.com> Signed-off-by: Lee Jones <lee.jones@linaro.org> Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
2013-04-03regulator: ab8500: Shuffle init functions into a more logical orderLee Jones
The ab*_match[] arrays should be moved out of the way, instead of bunched in the middle of the initialisation functions. This patch moves all initialisation code which currently resides above these arrays down to be grouped with the others. This makes the whole thing slightly easier to read. Signed-off-by: Lee Jones <lee.jones@linaro.org> Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
2013-04-03regulator: ab8500: Use regulator_list_voltage_table() to look-up voltagesLee Jones
The regulator framework offers a generic regulator_list_voltage_table() function which can directly look-up a regulator's voltage capabilities using a table provided through the desc structure. This patch ensures that information is available. Signed-off-by: Lee Jones <lee.jones@linaro.org> Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
2013-04-03regulator: ab8500: Remove the need for a 'delay' propertyLee Jones
The regulator framework now has provisions to read a regulator's start-up time via the 'enable_time' attribute. So let's remove all 'enable_time'/'delay' duplication and just stick with 'enable_time' from now on. Signed-off-by: Lee Jones <lee.jones@linaro.org> Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
2013-04-03regulator: ab8500: Set enable enable_time in regulator_descLee Jones
Allow the regulator framework to directly access the time it takes any given regulator to settle. This saves time and code because without it we would have to implement a dedication function to read the value from elsewhere. Signed-off-by: Lee Jones <lee.jones@linaro.org> Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
2013-04-03regulator: ab8500: Introduce aux5, aux6 regulators for AB8540Zhenhua HUANG
Introduce aux5, aux6 into ab8540 regulator framework. Signed-off-by: Zhenhua HUANG <zhenhua.huang@stericsson.com> Signed-off-by: Lee Jones <lee.jones@linaro.org> Reviewed-by: Maxime COQUELIN <maxime.coquelin@stericsson.com> Reviewed-by: David PARIS <david.paris@stericsson.com> Reviewed-by: Philippe LANGLAIS <philippe.langlais@stericsson.com> Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
2013-04-03regulator: ab8500: Use a struct to select the good regulator configurationLee Jones
At the probe use a structure to select the good regulator array from from ab9540, ab8505, ab8540 or ab8500 configuration. Signed-off-by: Lee Jones <lee.jones@linaro.org> Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
2013-04-02regulator: ab8500-ext: Don't update info->is_enabled if write to register failsAxel Lin
Signed-off-by: Axel Lin <axel.lin@ingics.com> Acked-by: Bengt Jonsson <bengt.g.jonsson@stericsson.com> Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
2013-04-02regulator: dbx500-prcmu: Remove operating_point from struct ↵Axel Lin
dbx500_regulator_info operating_point is not used since the initial commit of db8500-prcmu driver, remove it. Signed-off-by: Axel Lin <axel.lin@ingics.com> Acked-by: Bengt Jonsson <bengt.g.jonsson@stericsson.com> Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
2013-04-02regulator: ab8500: Update vdmic, vamic[1|2] parameters for AB8540Lee Jones
Add voltage setting for vdmic; add LP mode setting for vamic1,2. Signed-off-by: Lee Jones <lee.jones@linaro.org> Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
2013-04-02regulator: ab8500: Add mode operation for v-amicLee Jones
v-amic1 and v-amic2 regulators have dedicated mode registers and share the same mode bit. This patch adds special handling for those regulators. Signed-off-by: Lee Jones <lee.jones@linaro.org> Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
2013-04-02regulator: ab8500: Add new operations for Vaux3Lee Jones
In former functions, only can set Vaux3 to 2.91V, because the highest bit of Vaux3 register is put into another register. So add new expanded functions for Vaux3's operation. Signed-off-by: zhang xiaomei <xiaomei.zhang@stericsson.com> Signed-off-by: Lee Jones <lee.jones@linaro.org> Reviewed-by: Philippe LANGLAIS <philippe.langlais@stericsson.com> Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
2013-04-02regulator: ab8500: Also check for AB8505 based platformsLee Jones
Ensure we initialise AB8505 external supply regulators. Signed-off-by: Alexandre Torgue <alexandre.torgue@stericsson.com> Signed-off-by: Lee Jones <lee.jones@linaro.org> Reviewed-by: Philippe LANGLAIS <philippe.langlais@stericsson.com> Tested-by: Xiao Mei ZHANG <xiaomei.zhang@stericsson.com> Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
2013-04-02regulator: ab8500: Add voltage selection for AUDIO and ANA on AB8505Lee Jones
Signed-off-by: Lee Jones <lee.jones@linaro.org> Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
2013-04-02regulator: ab8500: Don't register external regulators on AB8505Rabin Vincent
ExtSupply regulators are not included on AB8505 based platforms. Signed-off-by: Rabin Vincent <rabin.vincent@stericsson.com> Signed-off-by: Lee Jones <lee.jones@linaro.org> Tested-by: Marcus COOPER <marcus.xm.cooper@stericsson.com> Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
2013-04-02regulator: ab8500: Supply platform specific regulator id valuesLee Jones
The regulator ID in the regulator info array should be the same values as the position of the element within the array. Signed-off-by: Lee Jones <lee.jones@linaro.org> Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
2013-04-02regulator: ab8500-ext: Add support for AB9540 regulatorsLee Jones
Add the support for ab9540 external regulators. Signed-off-by: Michel JAOUEN <michel.jaouen@stericsson.com> Signed-off-by: Lee Jones <lee.jones@linaro.org> Reviewed-by: Jonas ABERG <jonas.aberg@stericsson.com> Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
2013-04-01regulator: ab8500: Use regulator_list_voltage_table()Lee Jones
Following a recent move to regulator_list_voltage_table() for all previous abx500 related platforms this converts all recent platform updates over too. Signed-off-by: Lee Jones <lee.jones@linaro.org> Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
2013-04-01regulator: ab8500: Update voltage handling for fixed voltage regulatorsLee Jones
There are a few over-lapping methods for voltage selection operating in the AB8500 regulator driver currently. This patch removes unused, unnecessary variables from the regulator_info structures and provides voltage tables for those regulators which have fixed voltages. Signed-off-by: Lee Jones <lee.jones@linaro.org> Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
2013-04-01regulator: ab8500: Add support for the ab8540Lee Jones
To obtain full AB8540 regulator support, the AB8500 regulator driver first needs to know its register layout and their initialisation values for each. That information is provided via a couple of large data structures which we provide here. Signed-off-by: Lee Jones <lee.jones@linaro.org> Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
2013-04-01regulator: ab8500: add support for ab8505Lee Jones
To obtain full AB8505 regulator support, the AB8500 regulator driver first needs to know its register layout and their initialisation values for each. That information is provided via a couple of large data structures which we provide here. Signed-off-by: Lee Jones <lee.jones@linaro.org> Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
2013-04-01regulator: ab8500-ext: Add support for AB8505/AB9540Bengt Jonsson
The external regulator driver checks for old AB8500 HW to apply a fix. This patch adds a check to see that it is a AB8500 (not AB8505/AB9540). Signed-off-by: Bengt Jonsson <bengt.g.jonsson@stericsson.com> Signed-off-by: Lee Jones <lee.jones@linaro.org> Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>