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'regulator/topic/qcom-spmi', 'regulator/topic/rk808', 'regulator/topic/stub' and 'regulator/topic/tol' into regulator-next
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'regulator/topic/ocp', 'regulator/topic/owner', 'regulator/topic/pfuze100' and 'regulator/topic/pwm' into regulator-next
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Voltage tolerance isn't necessarily same on both sides of the target
voltage and regulator_set_voltage_tol() wouldn't be suitable in such
cases.
Add another routine regulator_set_voltage_triplet(), which accepts
target, min and max voltages as arguments.
This first tries to set the voltage between the target voltage and the
upper limit, then fall back on the full range. The idea behind this is
to set regulator's voltage as close to the target voltage, as possible.
Based on regulator_set_voltage_tol().
Signed-off-by: Viresh Kumar <viresh.kumar@linaro.org>
Signed-off-by: Mark Brown <broonie@kernel.org>
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Some regulators can automatically shut down when they detect an
over current event. Add an op (set_over_current_protection) and a
DT property + constraint to support this capability.
Signed-off-by: Stephen Boyd <sboyd@codeaurora.org>
Signed-off-by: Mark Brown <broonie@kernel.org>
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Add regulator support for mt6311.
It has 2 regulaotrs - Buck and LDO, provide the related buck/ldo voltage
data to the driver, and creates the regulator_desc table. Supported
operations for Buck are enabled/disabled and voltage change, only
enabled/disabled for LDO.
Signed-off-by: Henry Chen <henryc.chen@mediatek.com>
Reviewed-by: Javier Martinez Canillas <javier@osg.samsung.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
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This is a patch for supporting da9215 buck converter.
Signed-off-by: James Ban <james.ban.opensource@diasemi.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
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Fixes a build break when CONFIG_REGULATOR is not selected.
e.g, on linux-next - 07102015:
drivers/clk/tegra/clk-dfll.c: In function ‘find_lut_index_for_rate’:
drivers/clk/tegra/clk-dfll.c:691:3: error: implicit declaration of function ‘regulator_list_voltage’ [-Werror=implicit-function-declaration]
if (regulator_list_voltage(td->vdd_reg, td->i2c_lut[i]) == uv)
^
CC drivers/clocksource/mmio.o
CC fs/proc/softirqs.o
cc1: some warnings being treated as errors
make[3]: *** [drivers/clk/tegra/clk-dfll.o] Error 1
make[2]: *** [drivers/clk/tegra] Error 2
make[1]: *** [drivers/clk] Error 2
make[1]: *** Waiting for unfinished jobs....
This should be pushed to 4.2 as we have the issue in 4.2-rc1, just that
nobody uses it without the REGULATOR(yet).
Signed-off-by: Suzuki K. Poulose <suzuki.poulose@arm.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
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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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The docbook for these members is missing. Add them.
Warning(include/linux/regulator/machine.h:147): No description
found for parameter 'soft_start'
Warning(include/linux/regulator/driver.h:197): No description
found for parameter 'set_soft_start'
Reported-by: kbuild test robot <fengguang.wu@intel.com>
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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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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'regulator/topic/notifier', 'regulator/topic/palmas', 'regulator/topic/qcom' and 'regulator/topic/stw481x' into regulator-next
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'regulator/topic/load-op', 'regulator/topic/max77693' and 'regulator/topic/max8660' into regulator-next
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'regulator/topic/arizona-ldo1', 'regulator/topic/arizona-micsupp' and 'regulator/topic/da9211' into regulator-next
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Instead of resolving regulator supplies during registration move this to
the time of a consumer retrieving a handle. The benefit is that it's
possible for one driver to register regulators with internal
dependencies out of order.
Signed-off-by: Bjorn Andersson <bjorn.andersson@sonymobile.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
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dev_get_regulator() does not exist, fix the typo.
Signed-off-by: Axel Lin <axel.lin@ingics.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
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Signed-off-by: Bjorn Andersson <bjorn.andersson@sonymobile.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
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Rename the regulator_set_optimum_mode() function regulator_set_load() to
better represent what's going on.
Signed-off-by: Bjorn Andersson <bjorn.andersson@sonymobile.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
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This patch adds act8600 support to the act8865 driver.
VBUS and USB charger supported by this chip can be added later
Tested on MIPS Creator CI20
Signed-off-by: Zubair Lutfullah Kakakhel <Zubair.Kakakhel@imgtec.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
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Add devm_regulator_register_notifier, this adds the resource against the
device for the consumer supply we are registering the notifier for. There
seem to be few use-cases where this wouldn't be the users intention and
this ensures the notifiers will always be removed at the correct time.
Signed-off-by: Charles Keepax <ckeepax@opensource.wolfsonmicro.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
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Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Signed-off-by: Mark Brown <broonie@kernel.org>
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Expose the requested load directly to the regulator implementation for
hardware that does not support the normal enum based set_mode().
Signed-off-by: Bjorn Andersson <bjorn.andersson@sonymobile.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
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'regulator/topic/mode', 'regulator/topic/mt6397', 'regulator/topic/pfuze100' and 'regulator/topic/qcom-rpm' into regulator-next
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'regulator/topic/da9211' and 'regulator/topic/fan53555' into regulator-next
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Add missing stubs for regulator_suspend_prepare() and
regulator_suspend_finish() to fix exynos_defconfig build without
REGULATOR:
arch/arm/mach-exynos/built-in.o: In function `exynos_suspend_finish':
arch/arm/mach-exynos/suspend.c:537: undefined reference to `regulator_suspend_finish'
arch/arm/mach-exynos/built-in.o: In function `exynos_suspend_prepare':
arch/arm/mach-exynos/suspend.c:520: undefined reference to `regulator_suspend_prepare'
make: *** [vmlinux] Error 1
Signed-off-by: Krzysztof Kozlowski <k.kozlowski@samsung.com>
Reported-by: Joerg Roedel <joro@8bytes.org>
Reported-by: Marek Szyprowski <m.szyprowski@samsung.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
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This is a patch for adding gpio control about enable/disable of buck.
Signed-off-by: James Ban <james.ban.opensource@diasemi.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
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This is a patch for fixing unmatched of_node.
Signed-off-by: James Ban <james.ban.opensource@diasemi.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
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Add pfuze3000 chip support.
Signed-off-by: Robin Gong <b38343@freescale.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
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When drivers use simplified DT parsing method (they provide
'regulator_desc.of_match') they still may want to parse custom
properties for some of the regulators. For example some of the
regulators support GPIO enable control.
Add a driver-supplied callback for such case. This way the regulator
core parses common bindings offloading a lot of code from drivers and
still custom properties may be used.
The callback, called for each parsed regulator, may modify the
'regulator_config' initially passed to regulator_register().
Signed-off-by: Krzysztof Kozlowski <k.kozlowski@samsung.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
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Add MT6397 regulator driver.
Signed-off-by: Flora Fu <flora.fu@mediatek.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
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'regulator/topic/stub' into regulator-next
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'regulator/topic/max77693', 'regulator/topic/max77802', 'regulator/topic/power-off' and 'regulator/topic/rk808' into regulator-next
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'regulator/topic/disable', 'regulator/topic/dummy' and 'regulator/topic/gpio' into regulator-next
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Linux 3.18-rc4
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Drivers can use the of_regulator_match() function to parse the regulator
init_data from DT. A match table is used to specify the name of the node
containing the regulators, the device node and to return the init_data
to the caller.
But also the static regulator descriptor is needed to correctly extract
some DT properties like the regulator initial and suspend modes. Use the
match table to pass that information.
Signed-off-by: Javier Martinez Canillas <javier.martinez@collabora.co.uk>
Signed-off-by: Mark Brown <broonie@kernel.org>
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The of_get_regulator_init_data() function is used to extract the regulator
init_data but information on how to extract certain data is defined in the
static regulator descriptor (e.g: how to map the hardware operating modes).
Add a const struct regulator_desc * parameter to the function signature so
the parsing logic could use the information in the struct regulator_desc.
of_get_regulator_init_data() relies on of_get_regulation_constraints() to
actually extract the init_data so it has to pass the struct regulator_desc
but that is modified on a later patch.
Signed-off-by: Javier Martinez Canillas <javier.martinez@collabora.co.uk>
Signed-off-by: Mark Brown <broonie@kernel.org>
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The "regulator-initial-mode" and "regulator-mode" DT properties allows
to configure the regulator operating modes at startup or when a system
enters into a susend state.
But these properties use as valid values the operating modes supported
by each device while the core deals with the standard operating modes.
So a mapping function is needed to translate from the hardware specific
modes to the standard ones.
This mapping is a non-varying configuration for each regulator, so add
a function pointer to struct regulator_desc that will allow drivers to
define their callback to do the modes translation.
Signed-off-by: Javier Martinez Canillas <javier.martinez@collabora.co.uk>
Signed-off-by: Mark Brown <broonie@kernel.org>
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Add a PRE_DISABLE notification so that consumers can use a
notifier to run any steps required to prepare for the
regulator being switched off. Since the regulator disable
can fail an abort notification is also added.
Signed-off-by: Richard Fitzgerald <rf@opensource.wolfsonmicro.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
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The user hasn't got a regulator and shouldn't be mislead into thinking
they have one; really we should probably remove this stub entirely (and
may well before the next merge window).
Signed-off-by: Mark Brown <broonie@kernel.org>
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Most drivers do not set the ena_gpio field of struct regulator_config
before passing it to the regulator core. This is fine as long as the
gpio identifier that is passed is a positive integer. But the gpio
identifier 0 is also valid. So we are not able to decide wether we got a
real gpio identifier or not based on a 0 in ena_gpio.
To be able to decide if it is a valid gpio that got passed, this patch
adds a ena_gpio_initialized field that should be set if was initialized
with a correct value, either a gpio >= 0 or a negative error number. The
core then checks if ena_gpio or ena_gpio_initialized before handling it
as a gpio. This way we maintain backwards compatibility and fix the
behaviour for gpio number 0.
Signed-off-by: Markus Pargmann <mpa@pengutronix.de>
Signed-off-by: Mark Brown <broonie@kernel.org>
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sh:sh2007_defconfig fails to build with the following error:
In file included from include/linux/regulator/machine.h:18:0,
from arch/sh/boards/board-sh2007.c:10:
include/linux/regulator/consumer.h: In function 'regulator_get_optional':
include/linux/regulator/consumer.h:271:2:
error: implicit declaration of function 'ERR_PTR'
include/linux/err.h: At top level:
include/linux/err.h:23:35: error: conflicting types for 'ERR_PTR'
include/linux/regulator/consumer.h:271:9:
note: previous implicit declaration of 'ERR_PTR' was here
Since consumer.h uses ERR_PTR, it should include err.h.
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Mark Brown <broonie@kernel.org>
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'regulator/topic/tps65910' and 'regulator/topic/voltage-ev' into regulator-next
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'regulator/topic/max77802' and 'regulator/topic/of' into regulator-next
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'regulator/topic/enable', 'regulator/topic/fan53555', 'regulator/topic/hi6421' and 'regulator/topic/isl9305' into regulator-next
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