| Commit message (Collapse) | Author | Age | Files | Lines |
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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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Signed-off-by: Axel Lin <axel.lin@ingics.com>
Signed-off-by: Mark Brown <broonie@linaro.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 valid_modes_mask and *dev are not used in this driver, remove them.
Current code uses devm_regulator_register, so we don't need *regulator in
hi6421_regulator_info. Use a local variable instead.
Also removes a few unnecessary inclusion of header files.
Signed-off-by: Axel Lin <axel.lin@ingics.com>
Signed-off-by: Mark Brown <broonie@linaro.org>
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style fix for warnings. 'else' with a single 'return' is usually not
required.
Signed-off-by: Guodong Xu <guodong.xu@linaro.org>
Signed-off-by: Mark Brown <broonie@linaro.org>
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Add driver support for HiSilicon Hi6421 voltage regulators.
Two rules for regulator enabling are defined in hi6421 spec:
1) Between disable and enable of each regulator (LDOs or BUCKs), there must
be a protection gap. Use @off_on_delay of regulator core to implement this.
2) No two regulators can be enabled at the same time. Use mutex in
hi6421_regulator_pdata to ensure this. A protection gap of 100us is added
into each LDO/BUCK's .enable_time.
Signed-off-by: Guodong Xu <guodong.xu@linaro.org>
Signed-off-by: Mark Brown <broonie@linaro.org>
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Set di->regulator before dereference it.
Signed-off-by: Axel Lin <axel.lin@ingics.com>
Reviewed-by: Heiko Stuebner <heiko@sntech.de>
Signed-off-by: Mark Brown <broonie@kernel.org>
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Signed-off-by: Axel Lin <axel.lin@ingics.com>
Reviewed-by: Heiko Stuebner <heiko@sntech.de>
Signed-off-by: Mark Brown <broonie@kernel.org>
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The vendor-id gathered from the dt match-data was cast to int but assigned
to an unsigned long, producing warnings on at least sparc, like
drivers/regulator/fan53555.c: In function 'fan53555_regulator_probe':
>> drivers/regulator/fan53555.c:373:16: warning: cast from pointer to integer of different size [-Wpointer-to-int-cast]
di->vendor = (int) match->data;
Fix this by using an appropriate cast.
Reported-by: kbuild test robot
Signed-off-by: Heiko Stuebner <heiko@sntech.de>
Signed-off-by: Mark Brown <broonie@kernel.org>
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Silergy SYR82x regulators share the exact same functionality and register layout
as the Fairchild FAN53555 regulators. Therefore extend the driver to add
support for them.
Both types use the same vendor id in their ID1 register, so it's not possible
to distinguish them automatically.
Similarly, the types also do not match. Type 8 used by the SYR827 and SYR828
start at 712.5mV and increment in 12.5mv steps, while the FAN53555 type 8
starts at 600mV and increments in 10mV steps.
Signed-off-by: Heiko Stuebner <heiko@sntech.de>
Signed-off-by: Mark Brown <broonie@kernel.org>
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Add the ability to parse regulator-data from the devicetree.
Signed-off-by: Heiko Stuebner <heiko@sntech.de>
Signed-off-by: Mark Brown <broonie@kernel.org>
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The regulator constraints already provide a field for the ramp_delay, so
there is no need to set this manually. Therefore implement the set_ramp_delay
callback and convert the pdata value to the constraint value if necessary.
Signed-off-by: Heiko Stuebner <heiko@sntech.de>
Signed-off-by: Mark Brown <broonie@kernel.org>
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The regulator can be supplied by a parent regulator through its vin pin,
so add the supply_name for it.
Signed-off-by: Heiko Stuebner <heiko@sntech.de>
Signed-off-by: Mark Brown <broonie@kernel.org>
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Commit 272e2315fac3 ("regulator: core: add const qualifier to ops in
struct regulator_desc") introduced const qualifier to ops in regulator_desc.
This patch adds 'const' to regulator_ops vars in newly added core APIs
for v3.17-rc1:
- regulator_get_hardware_vsel_register()
- regulator_list_hardware_vsel()
This patch also fix a build error in mc13892-regulator.c due to const
regulator_desc.ops. Modification of regulator_desc.ops' member fields is not
allowed.
Signed-off-by: Guodong Xu <guodong.xu@linaro.org>
Signed-off-by: Mark Brown <broonie@linaro.org>
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