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Conflicts:
arch/arm/mach-hisi/headsmp.S
arch/arm/mach-keystone/platsmp.c
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Conflicts:
MAINTAINERS
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'regulator/topic/qcom' and 'regulator/topic/soft-start' into regulator-next
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'regulator/topic/max14577', 'regulator/topic/max77693', 'regulator/topic/max77843' and 'regulator/topic/max8973' into regulator-next
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'regulator/topic/doc', 'regulator/topic/fan53555', 'regulator/topic/gpio' and 'regulator/topic/ilim' into regulator-next
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'regulator/topic/arizona', 'regulator/topic/cleanup' and 'regulator/topic/da9062' into regulator-next
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and 'regulator/fix/wm831x' into regulator-linus
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n /= range->step_uV + 1; is equivalent to n /= (range->step_uV + 1);
which is wrong. Fix it.
Signed-off-by: Axel Lin <axel.lin@ingics.com>
Acked-by: Stephen Boyd <sboyd@codeaurora.org>
Signed-off-by: Mark Brown <broonie@kernel.org>
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drivers/regulator/qcom_spmi-regulator.c:751:3-50: code aligned
with following code on line 753
drivers/regulator/qcom_spmi-regulator.c:584:3-41: code aligned
with following code on line 587
These lines where missing braces causing the break to always
be executed even when it shouldn't be. Fix it.
Reported-by: kbuild test robot <fengguang.wu@intel.com>
Signed-off-by: Stephen Boyd <sboyd@codeaurora.org>
Reviewed-by: Andy Gross <agross@codeaurora.org>
Signed-off-by: Mark Brown <broonie@kernel.org>
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This file is built off of a tristate Kconfig option and also contains
modular function calls so it should explicitly include module.h to
avoid compile breakage during header shuffles done in the future.
Cc: Liam Girdwood <lgirdwood@gmail.com>
Cc: Mark Brown <broonie@kernel.org>
Signed-off-by: Paul Gortmaker <paul.gortmaker@windriver.com>
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Simplify a trivial if-return sequence and combine with a
preceding function call.
Generated by: scripts/coccinelle/misc/simple_return.cocci
CC: Mark Brown <broonie@kernel.org>
Signed-off-by: Julia Lawall <julia.lawall@lip6.fr>
Signed-off-by: Mark Brown <broonie@kernel.org>
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Add an SPMI regulator driver for Qualcomm's PM8841, PM8941, and
PM8916 PMICs. This driver is based largely on code from
codeaurora.org[1].
[1] https://www.codeaurora.org/cgit/quic/la/kernel/msm-3.10/tree/drivers/regulator/qpnp-regulator.c?h=msm-3.10
Cc: David Collins <collinsd@codeaurora.org>
Cc: <devicetree@vger.kernel.org>
Signed-off-by: Stephen Boyd <sboyd@codeaurora.org>
Signed-off-by: Mark Brown <broonie@kernel.org>
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Some regulators can limit their input current (typically annotated
as ilim). Add an op (set_input_current_limit) and a DT property +
constraint to support this.
Signed-off-by: Stephen Boyd <sboyd@codeaurora.org>
Signed-off-by: Mark Brown <broonie@kernel.org>
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Some regulators support a "soft start" feature where the voltage
ramps up slowly when the regulator is enabled. Add an op
(set_soft_start) and a DT property + constraint to support this.
Signed-off-by: Stephen Boyd <sboyd@codeaurora.org>
Signed-off-by: Mark Brown <broonie@kernel.org>
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Some regulators need to be configured to pull down a resistor
when the regulator is disabled. Add an op (set_pull_down) and a
DT property + constraint to support this.
Signed-off-by: Stephen Boyd <sboyd@codeaurora.org>
Signed-off-by: Mark Brown <broonie@kernel.org>
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Some regulators have a fixed load that isn't captured by
consumers that the kernel knows about. Add a constraint to
support this.
Signed-off-by: Stephen Boyd <sboyd@codeaurora.org>
Signed-off-by: Mark Brown <broonie@kernel.org>
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Fix trivial typo.
Signed-off-by: Axel Lin <axel.lin@ingics.com>
Reviewed-by: Laxman Dewangan <ldewangan@nvidia.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
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In order to avoid potential overflows in print_constraints we
better replace sprintf() with scnprintf().
Signed-off-by: Stefan Wahren <stefan.wahren@i2se.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/broonie/regulator into regulator-core
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The buffer for condtraints debug isn't big enough to hold the output
in all cases. So fix this issue by increasing the buffer.
Signed-off-by: Stefan Wahren <stefan.wahren@i2se.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
Cc: <stable@vger.kernel.org>
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We weren't taking into account the already used buffer when telling
sprintf() where to print to.
Reported-by: Stefan Wahren <stefan.wahren@i2se.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
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Maxim MAX77621 device is high-efficiency, three-phase,
DC-DC step-down switching regulator delivers peak
output currents up to 16A. This device is extension of
MAX8973 and compatible with the register definition.
The MAX77621 has the SHUTDOWN pin which is EN pin on the
MAX8973. On MAX77621, the SHUTDOWN pin (active low) reset
device register to its POR/OTP value. The voltage output
is enabled when SHUTDONW pin is HIGH and EN bit on VOUT
register is HIGH.
For MAX8973, VOUT is enabled when EN bit or EN pin is high.
Add support of the MAX77621 device on max8973 regulator driver
with following changes:
- Make sure SHUTDOWN pin is set HIGH through GPIO calls if
GPIO from AP connected to SHUTDOWN pin provided.
- Enable/disable the rail through register access only.
Signed-off-by: Laxman Dewangan <ldewangan@nvidia.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
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Regulator core framework support the configuration of ramp
delay reading from platform specific regulator data via the
regulator callback ops.
Instead of reading regulator init data on driver and setting
ramp delay, use the callback to achieve this.
Signed-off-by: Laxman Dewangan <ldewangan@nvidia.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
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(regulator_dev)
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Signed-off-by: Mark Brown <broonie@kernel.org>
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The core framework already takes care of this.
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Signed-off-by: Mark Brown <broonie@kernel.org>
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The Regulator Device keeps a full copy of it's own, which can be easily accessed.
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Signed-off-by: Mark Brown <broonie@kernel.org>
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'asoc/topic/arizona' and 'asoc/topic/atmel' into asoc-next
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We don't consider a failure to add the sysfs node as a problem,
so use sysfs_create_link_nowarn() so that we don't print a
backtrace when duplicated files exist. Also, downgrade the printk
message to a debug statement so that we're quiet here. This
allows multiple drivers to request a CPU's regulator so that
CPUfreq and AVSish drivers can coexist.
Signed-off-by: Stephen Boyd <sboyd@codeaurora.org>
Signed-off-by: Mark Brown <broonie@kernel.org>
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Using the driver for the internal regulator to also enable/disable
the codec internal clock frequency controller is an unexpected
side-effect for a regulator, and also means that the core clocks
won't be changed as expected if an external regulator is used to
power the codec.
The DVFS is now handled by the codec driver so can be removed from
the LDO1 driver.
Signed-off-by: Richard Fitzgerald <rf@opensource.wolfsonmicro.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
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Current code does not set regulators->irq_ldo_lim and regulators->irq_uvov,
so it actually calls free_irq(0, regulators) twice in remove() but does not
free the irq actually used.
Convert to use devm_request_threaded_irq instead and then we don't need to
take care the clean up irq so remove irq_ldo_lim and irq_uvov from
struct da9063_regulators. Note, regulators->irq_uvov is not used at all in
current code.
There is a slightly change in this patch, it will return error in probe()
if devm_request_threaded_irq fails. If the irq is optional, it should be
fine to allow platform_get_irq_byname fails. But current code does not
allow platform_get_irq_byname fails. So I think the reason to allow
request irq failure is just because the irq leak.
Signed-off-by: Axel Lin <axel.lin@ingics.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
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Signed-off-by: Axel Lin <axel.lin@ingics.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
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Remove the unused variable build warning for reg_matches that appears
during the compilation of the DA9062 regulator driver.
da9062-regulator.c: In function da9062_regulator_probe:
da9062-regulator.c:727:29: warning: unused variable reg_matches
Signed-off-by: Steve Twiss <stwiss.opensource@diasemi.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
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Since commit 1c6c69525b40 ("genirq: Reject bogus threaded irq requests")
threaded IRQs without a primary handler need to be requested with
IRQF_ONESHOT, otherwise the request will fail.
So pass the IRQF_ONESHOT flag in this case.
The semantic patch that makes this change is available
in scripts/coccinelle/misc/irqf_oneshot.cocci.
Signed-off-by: Fabio Estevam <fabio.estevam@freescale.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
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Fix broken probe of da9052 regulators, which since commit b3f6c73db732
("mfd: da9052-core: Fix platform-device id collision") use a
non-deterministic platform-device id to retrieve static regulator
information. Fortunately, adequate error handling was in place so probe
would simply fail with an error message.
Update the mfd-cell ids to be zero-based and use those to identify the
cells when probing the regulator devices.
Fixes: b3f6c73db732 ("mfd: da9052-core: Fix platform-device id collision")
Cc: stable <stable@vger.kernel.org> # v3.19
Signed-off-by: Johan Hovold <johan@kernel.org>
Acked-by: Bartlomiej Zolnierkiewicz <b.zolnierkie@samsung.com>
Reviewed-by: Mark Brown <broonie@kernel.org>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
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Setting the set_voltage_time_sel callback to the standard function
regulator_set_voltage_time_sel enables the regulator to actually honor
ramp-delays when during regulator_set_voltage calls.
Signed-off-by: Heiko Stuebner <heiko@sntech.de>
Signed-off-by: Mark Brown <broonie@kernel.org>
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Remove extra space between platform prefix and driver name in MODULE_ALIAS.
Signed-off-by: Axel Lin <axel.lin@ingics.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
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MAX8973 supports the voltage output enable/disable through its EN
pin. This EN pin can be connected through GPIO from host processor.
Add support to provide GPIO number from platform/DT and if it is
valid GPIO then enable external control default.
Signed-off-by: Laxman Dewangan <ldewangan@nvidia.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
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There are some platform specific parameter required to configure
the device like enable external control, DVS gpio etc.
Add DT parsing of such properties to make platform specific data.
Update DT binding doc accordingly.
Signed-off-by: Laxman Dewangan <ldewangan@nvidia.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
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To find that dvs-gpio is valid or not, gpio API gpio_is_valid()
can be directly used instead of intermediate variable.
Removing the extra variable and using the gpio_is_valid().
Signed-off-by: Laxman Dewangan <ldewangan@nvidia.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
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If platform data has dvs-gpio value 0 as default/unset then
make this as invalid gpio so that function gpio_is_valid()
can return false on this case.
Signed-off-by: Laxman Dewangan <ldewangan@nvidia.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
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Add BUCK and LDO regulator driver support for DA9062
Signed-off-by: Steve Twiss <stwiss.opensource@diasemi.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
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The code should handle more than 32 bits here because "id"
can be a value up to MAX77686_REGULATORS (currently 34).
Convert the gpio_enabled type to DECLARE_BITMAP and use
test_bit/set_bit.
Fixes: 3307e9025d29 ("regulator: max77686: Add GPIO control")
Reported-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Joe Perches <joe@perches.com>
Reviewed-by: Krzysztof Kozlowski <k.kozlowski@samsung.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
Cc: stable@vger.kernel.org
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Add AXP22X regulator definitions and variant id associations.
This introduces a new "switch" type output for one of the regulators.
It is a switchable secondary output of one regulator, with the same
voltage level as the primary output.
Signed-off-by: Boris BREZILLON <boris.brezillon@free-electrons.com>
[wens@csie.org: Moved variant choosing to multi family support patch]
[wens@csie.org: Add dc-dc work frequency range]
[wens@csie.org: Add "switch" type output regulator DC1SW]
Signed-off-by: Chen-Yu Tsai <wens@csie.org>
Reviewed-by: Mark Brown <broonie@kernel.org>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
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Rework the AXP20X_ macros and probe function to support the several chip
families, so that each family can define it's own set of regulators.
Signed-off-by: Boris BREZILLON <boris.brezillon@free-electrons.com>
[wens@csie.org: Support different DC-DC work frequency ranges]
Signed-off-by: Chen-Yu Tsai <wens@csie.org>
Reviewed-by: Mark Brown <broonie@kernel.org>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
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If a regulator is listed in devicetree, but the node is marked as
"disabled" we should skip parsing the regulator init data and
deny consumers from interacting with the regulator. This
simplifies devicetree maintenance where we can have one dtsi file
with all regulators supported by a PMIC and then select what
regulators are used depending on the board configuration.
Signed-off-by: Stephen Boyd <sboyd@codeaurora.org>
Signed-off-by: Mark Brown <broonie@kernel.org>
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This patch adds support for the 1.175V mode on the LDO1 regulator on the
wm5110. This is need as part of the low power sleep mode operation.
Signed-off-by: Charles Keepax <ckeepax@opensource.wolfsonmicro.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
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The GPIO subsystem provides dummy GPIO consumer functions if GPIOLIB is
not enabled. Hence drivers that depend on GPIOLIB, but use GPIO consumer
functionality only, can still be compiled if GPIOLIB is not enabled.
Relax the dependency on GPIOLIB if COMPILE_TEST is enabled, where
appropriate.
Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org>
Signed-off-by: Mark Brown <broonie@kernel.org>
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