| Commit message (Collapse) | Author | Age | Files | Lines |
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Based on 1 normalized pattern(s):
license terms gnu general public license v2
extracted by the scancode license scanner the SPDX license identifier
GPL-2.0-only
has been chosen to replace the boilerplate/reference in 37 file(s).
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Reviewed-by: Steve Winslow <swinslow@gmail.com>
Reviewed-by: Alexios Zavras <alexios.zavras@intel.com>
Reviewed-by: Richard Fontana <rfontana@redhat.com>
Reviewed-by: Allison Randal <allison@lohutok.net>
Cc: linux-spdx@vger.kernel.org
Link: https://lkml.kernel.org/r/20190528170027.724130665@linutronix.de
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Current code is using devm_regulator_register() so we don't need to save
*regulator for clean up, use a local variable instead.
Signed-off-by: Axel Lin <axel.lin@ingics.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
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These regulator_ops variables never need to be modified, make them const so
compiler can put them to .rodata.
Signed-off-by: Axel Lin <axel.lin@ingics.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
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The AB8540 was an evolved version of the AB8500, but it was never
mass produced or put into products, only reference designs exist.
The upstream support was never completed and it is unlikely that
this will happen so drop the support for now to simplify
maintenance of the AB8500.
Cc: Loic Pallardy <loic.pallardy@st.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Mark Brown <broonie@kernel.org>
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A platform_driver does not need to set an owner, it will be populated by the
driver core.
Signed-off-by: Wolfram Sang <wsa@the-dreams.de>
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CONFIG_REGULATOR_AB8500_DEBUG is always not defined.
ab8500_regulator_debug_init() is not called at all now,
ab8500_regulator_debug_exit() simply return 0, thus remove them.
Signed-off-by: Axel Lin <axel.lin@ingics.com>
Reviewed-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Mark Brown <broonie@linaro.org>
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Now this is a DT-only driver because non-devicetree probe path is removed,
so merge ab8500_regulator_of_probe() into ab8500_regulator_probe().
Signed-off-by: Axel Lin <axel.lin@ingics.com>
Reviewed-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Mark Brown <broonie@linaro.org>
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Use devm_regulator_register() to make cleanup paths simpler.
Signed-off-by: Jingoo Han <jg1.han@samsung.com>
Acked-by: Lee Jones <lee.jones@linaro.org>
Signed-off-by: Mark Brown <broonie@linaro.org>
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The Ux500 platform has been converted to do device-tree only
boots, no longer supports platform data passing, so this
probe path is unused. Delete it, simplifying the driver a
whole lot.
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Acked-by: Lee Jones <lee.jones@linaro.org>
Signed-off-by: Mark Brown <broonie@linaro.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/broonie/regulator
Pull regulator updates from Mark Brown:
"Very quiet release here, as well as the usual driver specific updates
only a couple of new things:
- New drivers for TI ABB LDOs and MAX77693 PMICs
- Support for enabling bypass mode support via device tree"
* tag 'regulator-v3.11' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/regulator: (23 commits)
regulator: max77693: Remove NULL test for rmatch[i].init_data
regulator: max77693: Fix trivial typo
regulator: ab8500-ext: Staticize local symbols
regulator: max77693: Add max77693 regualtor driver.
regulator: max8973: fix a typo in documentation
regulator: max8973: initial DT support
regulators: max8973: fix multiple instance support
regulator: of: Added a property to indicate bypass mode support
regulator: ti-abb: Convert to use devm_ioremap_resource
regulator: tps62360: Fix crash in i2c_driver .probe
regulator: ab8500: Provide supply names for the AUX regulators
regulator: ab8500-ext: Enable for Device Tree
regulator: ab8500-ext: Register as a device in its own right
regulator: ab8500-ext: Provide a set_voltage call-back operation
regulator: ab8500: Ensure AB8500 external registers are probed first
regulator: core: add regulator_get_linear_step()
regulator: lp397x: use devm_kzalloc() to make cleanup paths simpler
regulator: lp872x: support the device tree feature
regulator: Remove unnecessary include of linux/delay.h from regulator drivers
regulator: isl6271a: Use NULL instead of 0
...
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On some platforms the AUX[1|2|3] regulators are supplied voltage by
a separate regulator. For example on Snowball these are provided by
the EXT3. If we list them here, we can supply voltage to them by
simply listing them in as a consumer of EXT3 in the Snowball case.
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Signed-off-by: Mark Brown <broonielinaro.org>
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Some platforms don't support the AB8500 external regulators, so instead
of having a list of is_<platform>() calls prior to calling
ab8500_ext_regulator_init() from ab8500_regulator_probe(), we can only
register as a platform device on platforms which require them. It means
we also have more control over them when booting with Device Tree.
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Signed-off-by: Mark Brown <broonielinaro.org>
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Fix typo of VAMIC2 LDO regulator name in some DT-related files. This
patch replaces all occurrences with the right name.
Signed-off-by: Fabio Baltieri <fabio.baltieri@linaro.org>
Acked-by: Lee Jones <lee.jones@linaro.org>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
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ab8500_regulator_info
The voltage_shift can be calculated from voltage_mask.
Let's remove voltage_shift fied from struct ab8500_regulator_info, this change
can prevent missing voltage_shift setting issue.
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>
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The voltage_shift field of struct expand_register is not used now, 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>
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When setting voltage for AB8540_LDO_AUX3, current code only updates one of
info->voltage_reg and info->expand_register registers which is wrong.
To ensure we set to correct voltage, it always needs to clear or set
expand_register.voltage_mask bit of expand_register.
The function of the expand register bit is the following (from the user manual):
0: VAUX3 output voltage is determined by Vaux3Sel bit settings in register
VldoCVaux3Sel
1: VAUX3 output voltage is set to 3.05V regardless of Vaux3Sel settings in
register VldoCVaux3Sel (VldoCVaux3Sel is the register at 0x0421)
So when going to 3.05V, set the expand register bit.
When leaving 3.05V for another voltage, set the target voltage before clearing
the expand register bit.
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>
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Currently, set invalid mode setting for shared mode regulators may change
sm->lp_mode_req flag. This patch ensures we don't set lp_mode_req flag to wrong
status if set_mode() fails.
This patch includes some clean up, and these changes makes this patch looks like
code refactor. The clean up is mainly to avoid adding ugly code to handle
failure paths.
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>
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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>
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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>
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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>
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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>
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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>
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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>
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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>
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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>
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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>
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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>
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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>
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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>
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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>
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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>
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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>
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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>
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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>
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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>
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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>
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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>
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Signed-off-by: Lee Jones <lee.jones@linaro.org>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
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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>
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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>
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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>
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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>
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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>
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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>
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Update TVOUT regulator to match specification.
Was 10ms - changed to 500us.
Signed-off-by: Jonas Aaberg <jonas.aberg@stericsson.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Reviewed-by: Bengt JONSSON <bengt.g.jonsson@stericsson.com>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
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To obtain full AB9540 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>
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More platforms are to be supported by the AB8500 regulator driver,
so in this patch we prepare for their arrival. Instead of using
the AB8500 settings blindly, we provide an infrastructure where
adding a new platform is as easy as providing a couple of platform
specific data structures.
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
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register
Don't update info->update_val if write to the register 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>
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The purpose of this patch is to guarantee that ab8500-debug will
record the regulator registers before they are modified by the
ab8500 regulator driver.
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
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The USB regulator is controlled by hardware. The software support
was only needed for early hardware (ED) which is no longer supported.
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>
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