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'regulator/fix/max77686', 'regulator/fix/max77693', 'regulator/fix/max77802', 'regulator/fix/max8860' and 'regulator/fix/s2mpa01' into regulator-linus
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The struct of_regulator_match rmatch[] is declared as a non-static local
variable so the structure members are not auto-initialized.
Initialize the array at declaration time to avoid the structure members
values to be indeterminate and have sane defaults instead.
Signed-off-by: Javier Martinez Canillas <javier.martinez@collabora.co.uk>
Signed-off-by: Mark Brown <broonie@kernel.org>
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The struct of_regulator_match rmatch[] is declared as a non-static local
variable so the structure members are not auto-initialized.
Initialize the array at declaration time to avoid the structure members
values to be indeterminate and have sane defaults instead.
Signed-off-by: Javier Martinez Canillas <javier.martinez@collabora.co.uk>
Signed-off-by: Mark Brown <broonie@kernel.org>
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The struct of_regulator_match is declared as a non-static local variable
so the structure members are not auto-initialized.
Initialize the struct at declaration time to avoid the structure members
values to be indeterminate and have sane defaults instead.
Signed-off-by: Javier Martinez Canillas <javier.martinez@collabora.co.uk>
Signed-off-by: Mark Brown <broonie@kernel.org>
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Driver allocated on stack struct regulator_config but didn't initialize
it fully. Few fields (driver_data, ena_gpio) were left untouched. This
lead to using random ena_gpio values as GPIOs for max77693 regulators.
On occasion these values could match real GPIO numbers leading to
interfering with other drivers and to unsuccessful enable/disable of
regulator.
Signed-off-by: Krzysztof Kozlowski <k.kozlowski@samsung.com>
Fixes: 80b022e29bfd ("regulator: max77693: Add max77693 regualtor driver.")
Cc: <stable@vger.kernel.org>
Signed-off-by: Mark Brown <broonie@kernel.org>
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The struct of_regulator_match is declared as a non-static local variable
so the structure members are not auto-initialized.
Initialize the struct at declaration time to avoid the structure members
values to be indeterminate and have sane defaults instead.
Signed-off-by: Javier Martinez Canillas <javier.martinez@collabora.co.uk>
Signed-off-by: Mark Brown <broonie@kernel.org>
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The struct of_regulator_match rmatch[] is declared as a non-static local
variable so the structure members are not auto-initialized.
Initialize the array at declaration time to avoid the structure members
values to be indeterminate and have sane defaults instead.
Signed-off-by: Javier Martinez Canillas <javier.martinez@collabora.co.uk>
Signed-off-by: Mark Brown <broonie@kernel.org>
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Description of regulators should generally be optional so if there is no
DT node for the regulators container then we shouldn't print an error
message. Lower the severity of the message to debug level (it might help
someone work out what went wrong) and while we're at it say what we were
looking for.
Reported-by: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Mark Brown <broonie@kernel.org>
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The min_uv in DCDC1 & DCDC2 should be 712.5mv
Signed-off-by: Chris Zhong <zyw@rock-chips.com>
Reviwed-by: Doug Anderson <dianders@chromium.org>
Signed-off-by: Mark Brown <broonie@kernel.org>
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Pull power supply and reset updates from Sebastian Reichel:
- Initial support for the following chips
* max77836 (charger)
* max14577 (charger)
* bq27742 (battery gauge)
* ltc2952 (poweroff)
* stih416 (restart)
* syscon-reboot (restart)
* gpio-restart (restart)
- cleanup of power supply core
- misc fixes in power supply and reset drivers
* tag 'for-v3.18' of git://git.infradead.org/battery-2.6: (48 commits)
power: ab8500_fg: Fix build warning
Documentation: charger: max14577: Update the date of introducing ABI
power: reset: corrections for simple syscon reboot driver
Documentation: power: reset: Add documentation for generic SYSCON reboot driver
power: reset: Add generic SYSCON register mapped reset
bq27x00_battery: Fix flag reading for bq27742
power: reset: use restart_notifier mechanism for msm-poweroff
power: Add simple gpio-restart driver
power: reset: st: Provide DT bindings for ST's Power Reset driver
power: reset: Add restart functionality for STiH41x platforms
power: charger-manager: Fix NULL pointer exception with missing cm-fuel-gauge
power: max14577: Fix circular config SYSFS dependency
power: gpio-charger: do not use gpio value directly
power: max8925: Use of_get_child_by_name
power: max8925: Fix NULL ptr dereference on memory allocation failure
bq27x00_battery: Add support to bq27742
Documentation: charger: max14577: Document exported sysfs entry
devicetree: mfd: max14577: Add device tree bindings document
power: max17040: Add ID for MAX77836 Fuel Gauge block
charger: max14577: Configure battery-dependent settings from DTS and sysfs
...
Conflicts:
drivers/power/reset/Kconfig
drivers/power/reset/Makefile
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This patch prepares for changing the max14577 charger driver to allow
configuring battery-dependent settings from DTS.
The patch moves from regulator driver to MFD core driver and exports:
- function for calculating register value for charger's current;
- table of limits for chargers (MAX14577, MAX77836).
Previously they were used only by the max14577 regulator driver. In next
patch the charger driver will use them as well. Exporting them will
reduce unnecessary code duplication.
Signed-off-by: Krzysztof Kozlowski <k.kozlowski@samsung.com>
Acked-by: Mark Brown <broonie@linaro.org>
Acked-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
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'regulator/topic/tps65910' and 'regulator/topic/voltage-ev' into regulator-next
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In some cases we need to know when a regulator is about to be changed.
Add a way for clients to be notified. Note that for set_voltage() we
don't necessarily know what voltage we'll end up with, so we tell the
client what the range will be so they can prepare.
Signed-off-by: Heiko Stübner <heiko@sntech.de>
Signed-off-by: Doug Anderson <dianders@chromium.org>
Signed-off-by: Mark Brown <broonie+linaro@kernel.org>
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The regulator core supports this to allow the configuration to be inspected
at runtime even if no software management is enabled.
Signed-off-by: Axel Lin <axel.lin@ingics.com>
Signed-off-by: Mark Brown <broonie@linaro.org>
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Remove a bunch of code in favour of data.
Signed-off-by: Mark Brown <broonie@linaro.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/broonie/regulator into regulator-tps65217
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We don't ever reference the driver_data we supply so remove it.
Signed-off-by: Mark Brown <broonie@linaro.org>
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We should always be able to probe a regulator with no platform data. This
will enable readback of current state, though no changes can be made to
the device configuration.
Signed-off-by: Mark Brown <broonie@kernel.org>
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'regulator/topic/rn5t618' and 'regulator/topic/samsung' into regulator-next
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This patch makes the regulator description macro take minimum and
steps voltage as parameter. In this way many repeated macros can be
removed. Now these macros are repeated only if the the LDO/BUCK ctrl
registers have non-linear positions. The good thing is these ctrl registers
are mostly linear so they are not passed as parameters.
This patch reduces the code size and also allow easy addition of more
s2mpxxx PMIC drivers which differs a lot in minimum/step voltages.
Reviewed-by: Krzysztof Kozlowski <k.kozlowski@samsung.com>
Signed-off-by: Amit Daniel Kachhap <amit.daniel@samsung.com>
Signed-off-by: Mark Brown <broonie@linaro.org>
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This patch makes the regulator description macro take minimum and
steps voltage as parameter. In this way many repeated macros can be
removed. Now these macros are repeated only if the the LDO/BUCK ctrl
registers have non-linear positions. The good thing is these ctrl registers
are mostly linear so they are not passed as parameters.
This patch reduces the code size and also allow easy addition of more
s2mpxxx PMIC drivers which differs a lot in minimum/step voltages.
Reviewed-by: Krzysztof Kozlowski <k.kozlowski@samsung.com>
Signed-off-by: Amit Daniel Kachhap <amit.daniel@samsung.com>
Signed-off-by: Mark Brown <broonie@linaro.org>
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This is a cleanup patch and moves min/step voltages in a common samsung
header file so that they can be used by other s2mpxxx PMIC drivers. Only
few required macros are added currently and others can be added if needed.
Reviewed-by: Krzysztof Kozlowski <k.kozlowski@samsung.com>
Signed-off-by: Amit Daniel Kachhap <amit.daniel@samsung.com>
Acked-by: Lee Jones <lee.jones@linaro.org>
Signed-off-by: Mark Brown <broonie@linaro.org>
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This driver supports the 3 DCDC and 7 LDO regulators available on
Ricoh RN5T618 PMIC.
Signed-off-by: Beniamino Galvani <b.galvani@gmail.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
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On rk808 buck1 and buck2 have programmable ramp delays. Let's add a
function to allow a client of rk808 to set them.
Signed-off-by: Doug Anderson <dianders@chromium.org>
Signed-off-by: Mark Brown <broonie@kernel.org>
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1. Pass &pdev->dev rather than &client->dev to of_regulator_match, the *dev
argument is used for devres to ensure devm_of_regulator_put_matches() will
be called when unload the module.
2. of_get_child_by_name() returns a node pointer with refcount incremented.
Thus add missing of_node_put(reg_np).
Signed-off-by: Axel Lin <axel.lin@ingics.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
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Also remove non-informative comment.
Signed-off-by: Axel Lin <axel.lin@ingics.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
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Signed-off-by: Chris Zhong <zyw@rock-chips.com>
Tested-by: Heiko Stuebner <heiko@sntech.de>
Reviewed-by: Doug Anderson <dianders@chromium.org>
Tested-by: Doug Anderson <dianders@chromium.org>
Signed-off-by: Mark Brown <broonie@kernel.org>
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The original RK808 regulator driver didn't setup input supplies
properly. Add them.
Signed-off-by: Doug Anderson <dianders@chromium.org>
Signed-off-by: Mark Brown <broonie@kernel.org>
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The min_sel is 0, max_sel is 15, so n_voltages should be 16.
Signed-off-by: Axel Lin <axel.lin@ingics.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
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The memory allocated in rk808_regulator_probe() needs to be freed when the
module is unloaded. Thus pass &pdev->dev rather than &client->dev to
devm_kzalloc.
Signed-off-by: Axel Lin <axel.lin@ingics.com>
Signed-off-by: Mark Brown <broonie@linaro.org>
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remove the redundant code, since pdata has been removed from stuct rk808
Signed-off-by: Chris Zhong <zyw@rock-chips.com>
Signed-off-by: Mark Brown <broonie@linaro.org>
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The "dev" has been deleted from "struct rk808" in rk808 mfd driver
so rk808->dev should be replaced by &client->dev here.
Signed-off-by: Chris Zhong <zyw@rock-chips.com>
Signed-off-by: Mark Brown <broonie@linaro.org>
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The RK808 regulator driver was putting its config on the stack but not
initting it. That means that you got a semi-random config. Fix this.
Signed-off-by: Doug Anderson <dianders@chromium.org>
Signed-off-by: Mark Brown <broonie@linaro.org>
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The regulator module consists of 4 DCDCs, 8 LDOs and 2 switches.
The output voltages are configurable and are meant to supply power
to the main processor and other components
Signed-off-by: Chris Zhong <zyw@rock-chips.com>
Signed-off-by: Mark Brown <broonie@linaro.org>
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'regulator/topic/max77802' and 'regulator/topic/of' into regulator-next
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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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The max77802 driver reads the default operating mode (opmode)
set for regulators when enabled from the hardware registers.
But if a regulator is disabled and the system warm restarted,
the hardware reports OFF as the opmode so the regulator is
not enabled. Default to operating mode NORMAL if OFF is read
from the hardware register.
Reported-by: Yuvaraj Cd <yuvaraj.lkml@gmail.com>
Signed-off-by: Javier Martinez Canillas <javier.martinez@collabora.co.uk>
Reviewed-by: Doug Anderson <dianders@chromium.org>
Tested-by: Yuvaraj Kumar CD <yuvaraj.cd@samsung.com>
Signed-off-by: Mark Brown <broonie@linaro.org>
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Both num_regulators and *rdev[MAX77802_REG_MAX] are not used, remove them.
Signed-off-by: Axel Lin <axel.lin@ingics.com>
Signed-off-by: Mark Brown <broonie@linaro.org>
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The MAX77802 PMIC has 10 high-efficiency Buck and 32 Low-dropout
(LDO) regulators. This patch adds support for all these regulators
found on the MAX77802 PMIC and is based on a driver added by Simon
Glass to the Chrome OS kernel 3.8 tree.
Signed-off-by: Javier Martinez Canillas <javier.martinez@collabora.co.uk>
Tested-by: Naveen Krishna Chatradhi <ch.naveen@samsung.com>
Signed-off-by: Mark Brown <broonie@linaro.org>
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Signed-off-by: Fengguang Wu <fengguang.wu@intel.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
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Add device-tree support to max1586.
The driver can still be used with the legacy platform data, or the new
device-tree way.
This work is heavily inspired by the device-tree support of its cousin
max8660 driver.
Signed-off-by: Robert Jarzmik <robert.jarzmik@free.fr>
Signed-off-by: Mark Brown <broonie@kernel.org>
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'regulator/topic/enable', 'regulator/topic/fan53555', 'regulator/topic/hi6421' and 'regulator/topic/isl9305' into regulator-next
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Fix ERROR: "devm_regmap_init_i2c" [drivers/regulator/isl9305.ko] undefined!
Signed-off-by: Axel Lin <axel.lin@ingics.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
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This removes some code and replaces it with data.
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-isl9305
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Currently regulator drivers which support DT all repeat very similar code
to supply a list of known regulator identifiers to be matched with DT,
convert that to platform data which is then matched up with the regulators
as they are registered. This is both fiddly to get right and for devices
which can use the standard helpers to provide their operations is the main
source of code in the driver.
Since this code is essentially identical for most drivers we can factor it
out into the core, moving the identifiers in the match table into the
regulator descriptors and also allowing drivers to pass in the name of the
subnode to search. When a driver provides an of_match string for the
regulator the core will attempt to use that to obtain init_data, allowing
the driver to remove all explicit code for DT parsing and simply provide
data instead.
The current code leaks the phandles for the child nodes, this will be
addressed incrementally and makes no practical difference for FDT anyway
as the DT data structures are never freed.
Signed-off-by: Mark Brown <broonie@linaro.org>
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The ISL9305 and ISL9305H are mini-PMICs offering two DCDC regulators and
two LDO regulators. While there are some register differences between them
these do not affect the current Linux driver as the relevant features are
not yet supported.
Signed-off-by: Mark Brown <broonie@kernel.org>
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