| Commit message (Collapse) | Author | Age |
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'regulator/topic/pbias', 'regulator/topic/pfuze100', 'regulator/topic/s2mpa01' and 'regulator/topic/s2mps11' into regulator-next
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S2MPS11 supports enabling/disabling ramp delay only for buck[2346].
Other bucks have ramp delay enabled always.
However the bit shift for enabling buck6 ramp delay in register is equal
to 0. When ramp delay was set for the bucks unsupporting enable/disable
(buck[15789] and buck10), the ramp delay for buck6 was also enabled.
Fixes: b96244fad953 ("regulator: s2mps11: Don't check enable_shift before setting enable ramp rate")
Signed-off-by: Krzysztof Kozlowski <k.kozlowski@samsung.com>
Reviewed-by: Axel Lin <axel.lin@ingics.com>
Signed-off-by: Mark Brown <broonie@linaro.org>
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GPIO 0 is a valid GPIO so allow using it as external control for
S2MPS14 regulators.
Signed-off-by: Krzysztof Kozlowski <k.kozlowski@samsung.com>
Signed-off-by: Mark Brown <broonie@linaro.org>
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Add support for external control over GPIO for LDO10, LDO11 and LDO12
S2MPS14 regulators. External control can be turned on by writing 0x0 to
control register which in case of other regulators is used for disabling
them. These LDO10-LDO12 regulators can be disabled only by I2C GPIO or
PWREN pin so the patch actually allows proper way of disabling them.
Additionally the GPIO control has two benefits:
- It is faster than toggling it over I2C bus.
- It allows disabling the regulator during suspend to RAM; The AP will
enable it during resume.
Signed-off-by: Krzysztof Kozlowski <k.kozlowski@samsung.com>
Signed-off-by: Mark Brown <broonie@linaro.org>
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Refactor code for parsing DTS to increase a little code readability. The
behaviour should not change.
Signed-off-by: Krzysztof Kozlowski <k.kozlowski@samsung.com>
Signed-off-by: Mark Brown <broonie@linaro.org>
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Use regulator API rdev_get_id() to access id of regulator.
Signed-off-by: Krzysztof Kozlowski <k.kozlowski@samsung.com>
Reviewed-by: Axel Lin <axel.lin@ingics.com>
Signed-off-by: Mark Brown <broonie@linaro.org>
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S2MPA01 supports enabling/disabling ramp delay only for buck[1234].
Other bucks have ramp delay enabled always.
However the bit shift for enabling buck4 ramp delay in register is equal
to 0. When ramp delay was set for the bucks unsupporting enable/disable
(buck[56789] and buck10), the ramp delay for buck4 was also enabled.
Fixes: f7b1a8dc1c1c ("regulator: s2mpa01: Don't check enable_shift before setting enable ramp rate")
Signed-off-by: Krzysztof Kozlowski <k.kozlowski@samsung.com>
Reviewed-by: Axel Lin <axel.lin@ingics.com>
Signed-off-by: Mark Brown <broonie@linaro.org>
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Current code has .enable_reg and .enable_mask settings, but the implementation
for corresponding callbacks are missing. Fix it.
Signed-off-by: Axel Lin <axel.lin@ingics.com>
Tested-by: Robin Gong <b38343@freescale.com>
Acked-by: Robin Gong <b38343@freescale.com>
Signed-off-by: Mark Brown <broonie@linaro.org>
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Previously, the PFUZE100 would try to allocate gpio0 io0 because
config.ena_gpio defaults to 0, which can be a valid GPIO. To prevent this
from happening, set this parameter to -EINVAL.
Signed-off-by: Sean Cross <xobs@kosagi.com>
Signed-off-by: Mark Brown <broonie@linaro.org>
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The SWB regulators have the ability to be turned on and off. Add
enable/disable support for these regulators.
Signed-off-by: Sean Cross <xobs@kosagi.com>
Signed-off-by: Mark Brown <broonie@linaro.org>
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The site-specific OOM messages are unnecessary, because they
duplicate the MM subsystem generic OOM message.
Signed-off-by: Jingoo Han <jg1.han@samsung.com>
Signed-off-by: Mark Brown <broonie@linaro.org>
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Since commit ca5d1b3524b4d
"regulator: helpers: Modify helpers enabling multi-bit control",
we can set enable_val setting for device that use multiple bits for control
when using regmap enable/disable/bypass ops.
Signed-off-by: Axel Lin <axel.lin@ingics.com>
Tested-by: Balaji T K <balajitk@ti.com>
Signed-off-by: Mark Brown <broonie@linaro.org>
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Reemove open coded functions with helper functions.
Signed-off-by: Keerthy <j-keerthy@ti.com>
Signed-off-by: Mark Brown <broonie@linaro.org>
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'regulator/topic/id-const', 'regulator/topic/ltc3589', 'regulator/topic/max8649' and 'regulator/topic/of' into regulator-next
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Use more compact of_property_read_{bool|u32}() calls instead of the
of_{find|get}_property() calls in of_get_regulation_constraints() where
possible (note that of_property_read_{bool|u32}() were already used to read
some properties).
Signed-off-by: Sergei Shtylyov <sergei.shtylyov@cogentembedded.com>
Signed-off-by: Mark Brown <broonie@linaro.org>
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Rather than requiring individual drivers to put the of_nodes returned
from of_regulator_match use devres to put them. This also has the
benefit it makes the life-time of the of_nodes match the lifetime of
the init data also contained in the of_regulator_match structure, which
seems more consistent.
Signed-off-by: Charles Keepax <ckeepax@opensource.wolfsonmicro.com>
Signed-off-by: Mark Brown <broonie@linaro.org>
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Currently the regulator core does not take an additional reference to
the of_node it is passed. This means that the caller must ensure that
the of_node is valid for the duration of the regulator's existance.
It is reasonable for the framework to assume it is passed a valid
of_node but seems onerous for it to assume the caller will keep the node
valid for the life-time of the regulator, especially when
devm_regulator_register is used and there will likely be no code in the
driver called at the point it would be safe to put the of_node.
This patch adds an additional of_node_get when the regulator is
registered and an of_node_put when it is unregistered in the core. This
means individual drivers are free to put their of_node references at the
end of probe letting the regulator core handling it from there. This
simplifies code on the driver side.
Signed-off-by: Charles Keepax <ckeepax@opensource.wolfsonmicro.com>
Signed-off-by: Mark Brown <broonie@linaro.org>
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As of_regulator_match will take an of_node reference to each matched
regulator, it makes sense to provide a helper to put all those
references. This patch does that.
Signed-off-by: Charles Keepax <ckeepax@opensource.wolfsonmicro.com>
Signed-off-by: Mark Brown <broonie@linaro.org>
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Currently, of_regulator_match does not increment the reference count of
the of_nodes it takes new references to. This could cause the node
pointer held to be invalid, by the time it is passed to the regulator
core. This patchs adds an of_node_get when we copy each of_node pointer
into the match structure.
Signed-off-by: Charles Keepax <ckeepax@opensource.wolfsonmicro.com>
Signed-off-by: Mark Brown <broonie@linaro.org>
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The site-specific OOM messages are unnecessary, because they
duplicate the MM subsystem generic OOM message.
Signed-off-by: Jingoo Han <jg1.han@samsung.com>
Signed-off-by: Mark Brown <broonie@linaro.org>
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When fixed_uV is set and n_voltage is 1, regulator core will return
rdev->desc->fixed_uV in regulator_get_voltage() and regulator_list_voltage().
Rename ltc3589_standby_regulator_ops to ltc3589_fixed_standby_regulator_ops,
this makes the code clear that the ops is for fixed voltage regulator.
Signed-off-by: Axel Lin <axel.lin@ingics.com>
Acked-by: Philipp Zabel <p.zabel@pengutronix.de>
Signed-off-by: Mark Brown <broonie@linaro.org>
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Make this driver depend on I2C and select REGMAP_I2C to fix build failure.
Also allows this driver to be built as module.
Reported-by: Stephen Rothwell <sfr@canb.auug.org.au>
Signed-off-by: Axel Lin <axel.lin@ingics.com>
Acked-by: Philipp Zabel <p.zabel@pengutronix.de>
Signed-off-by: Mark Brown <broonie@linaro.org>
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This patch adds support for the Linear Technology LTC3589, LTC3589-1,
and LTC3589-2 8-output I2C voltage regulator ICs.
Signed-off-by: Lucas Stach <l.stach@pengutronix.de>
Signed-off-by: Philipp Zabel <p.zabel@pengutronix.de>
Signed-off-by: Mark Brown <broonie@linaro.org>
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Make of_device_id array const, because all OF functions
handle it as const.
Signed-off-by: Jingoo Han <jg1.han@samsung.com>
Reviewed-by: Krzysztof Kozlowski <k.kozlowski@samsung.com>
Signed-off-by: Mark Brown <broonie@linaro.org>
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Make of_device_id array const, because all OF functions
handle it as const.
Signed-off-by: Jingoo Han <jg1.han@samsung.com>
Acked-by: Pawel Moll <pawel.moll@arm.com>
Signed-off-by: Mark Brown <broonie@linaro.org>
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Make of_device_id array const, because all OF functions
handle it as const.
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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Make of_device_id array const, because all OF functions
handle it as const.
Signed-off-by: Jingoo Han <jg1.han@samsung.com>
Signed-off-by: Mark Brown <broonie@linaro.org>
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Make of_device_id array const, because all OF functions
handle it as const.
Signed-off-by: Jingoo Han <jg1.han@samsung.com>
Signed-off-by: Mark Brown <broonie@linaro.org>
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Use more compact of_property_read_{bool|u32}() calls instead of the
of_{find|get}_property() calls.
Signed-off-by: Sergei Shtylyov <sergei.shtylyov@cogentembedded.com>
Signed-off-by: Mark Brown <broonie@linaro.org>
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'regulator/topic/axp20' and 'regulator/topic/bcm590xx' into regulator-next
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The bcm590xx MFD driver now exposes a secondary regmap descriptor
making the registers for regulators on the secondary I2C slave address
available. Add support for GPLDO1-6 and VBUS regulators found within
this register range.
Signed-off-by: Matt Porter <mporter@linaro.org>
Acked-by: Mark Brown <broonie@linaro.org>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
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The voltages in axp20x_ldo4_data table are in ascendant order, so use
regulator_map_voltage_ascend.
Signed-off-by: Axel Lin <axel.lin@ingics.com>
Signed-off-by: Mark Brown <broonie@linaro.org>
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The of_find_node_by_name function will search for a DT node named
"regulators" after the provided np node, but will not ensure that this node
is a child of np.
This might result in retrieving a "regulators" node that is not related to
the axp20x PMIC.
Signed-off-by: Boris BREZILLON <boris.brezillon@free-electrons.com>
Acked-by: Carlo Caione <carlo@caione.org>
Signed-off-by: Mark Brown <broonie@linaro.org>
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AXP202 and AXP209 come with two synchronous step-down DC-DCs and five
LDOs. This patch introduces basic support for those regulators.
Signed-off-by: Carlo Caione <carlo@caione.org>
Signed-off-by: Mark Brown <broonie@linaro.org>
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commit 2cce4be9e6b8 "regulator: arizona-ldo1: Add processing of init_data
from device tree" added a call to of_get_child_by_name() but
did not add an #include to the header file declaring that function.
I got a build error when doing randconfig testing on this, which
is fixed by this patch to include of.h.
drivers/regulator/arizona-ldo1.c:192:2: error: implicit declaration of function 'of_get_child_by_name' [-Werror=implicit-function-declaration]
drivers/regulator/arizona-ldo1.c:193:2: error: implicit declaration of function 'of_parse_phandle' [-Werror=implicit-function-declaration]
drivers/regulator/arizona-ldo1.c:213:2: error: implicit declaration of function 'of_node_put' [-Werror=implicit-function-declaration]
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Charles Keepax <ckeepax@opensource.wolfsonmicro.com>
Signed-off-by: Mark Brown <broonie@linaro.org>
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of.h is presently being included through asm-generic/gpio.h so will not
be included on some architectures, causing implicit declaration errors
for of_get_child_by_name, of_parse_phandle and of_node_put.
This patch adds the direct include that should be there.
Reported-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Charles Keepax <ckeepax@opensource.wolfsonmicro.com>
Signed-off-by: Mark Brown <broonie@linaro.org>
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Signed-off-by: Charles Keepax <ckeepax@opensource.wolfsonmicro.com>
Signed-off-by: Mark Brown <broonie@linaro.org>
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It is more idiomatic to process things relating to the regulator in its
driver. This patch moves both processing of device tree relating to the
regulator and checking if the regulator is external from arizona-core
into the regulator driver.
Signed-off-by: Charles Keepax <ckeepax@opensource.wolfsonmicro.com>
Acked-by: Lee Jones <lee.jones@linaro.org>
Signed-off-by: Mark Brown <broonie@linaro.org>
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Signed-off-by: Charles Keepax <ckeepax@opensource.wolfsonmicro.com>
Signed-off-by: Mark Brown <broonie@linaro.org>
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regulator_get_optional() doesn't hold an exclusive reference to
the regulator. Fix the documentation and reword the exclusive
documentation to fix the grammatical error "this reference is
held".
Signed-off-by: Stephen Boyd <sboyd@codeaurora.org>
Signed-off-by: Mark Brown <broonie@linaro.org>
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list_voltage_linear_range
Use map_voltage_linear_range() if list_voltage_linear_range() is in use and
nothing is set.
Signed-off-by: Axel Lin <axel.lin@ingics.com>
Signed-off-by: Mark Brown <broonie@linaro.org>
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Toughen-up checks for read-only regulator names.
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Signed-off-by: Mark Brown <broonie@linaro.org>
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When a regulator is defined using DT and it has a single voltage the
regulator init always tries to apply this voltage. However it fails if
the regulator isn't settable because it is using an internal low level
function. To overcome this we now first query the regulator and only
set it if needed.
Signed-off-by: Alban Bedel <alban.bedel@avionic-design.de>
Signed-off-by: Mark Brown <broonie@linaro.org>
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regulator_init_complete does a scan of regulators which dont have
always-on or consumers are automatically disabled as being unused.
However, with deferred probing, late_initcall() is too soon to
declare a regulator as unused as the regulator itself might not
have registered due to defferal - Example: A regulator deffered due
to i2bus not available which in turn is deffered due to pinctrl
availability.
Since deferred probing is done in late_initcall(), do the cleanup of
unused regulators by regulator_init_complete in late_initcall_sync
instead of late_initcall.
Cc: Liam Girdwood <lgirdwood@gmail.com>
Cc: Mark Brown <broonie@kernel.org>
Cc: Markus Pargmann <mpa@pengutronix.de>
Signed-off-by: Saravana Kannan <skannan@codeaurora.org>
[nm@ti.com: minor rewording]
Signed-off-by: Nishanth Menon <nm@ti.com>
Signed-off-by: Mark Brown <broonie@linaro.org>
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In the spirit of conservatism that governs our general approach to
permissions it is better if we don't touch regulators we weren't explicitly
given permissions to control. This avoids the need to explicitly specify
unknown regulators in DT as always on, if a regulator is not otherwise
involved in software control it can be omitted from the DT.
Regulators explicitly given constraints in DT still need to have an always
on constraint specified as before.
Signed-off-by: Mark Brown <broonie@linaro.org>
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Fix the register for ramp delay of buck1 regulator. Buck1 and buck6
share the field (offset 4) in ramp delay register S2MPA01_REG_RAMP2.
The driver used the same register and field for ramp delay of buck3 and
buck1. This lead to updating of ramp delay of buck3 when setting buck1
and actually the ramp delay of buck1 was never set.
Fixes: f18792714608 ("regulator: Add support for S2MPA01 regulator")
Signed-off-by: Krzysztof Kozlowski <k.kozlowski@samsung.com>
Reviewed-by: Sachin Kamat <sachin.kamat@linaro.org>
Signed-off-by: Mark Brown <broonie@linaro.org>
Cc: <stable@vger.kernel.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc into next
Pull char/misc driver patches from Greg KH:
"Here is the big char / misc driver update for 3.16-rc1.
Lots of different driver updates for a variety of different drivers
and minor driver subsystems.
All have been in linux-next with no reported issues"
* tag 'char-misc-3.16-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc: (79 commits)
hv: use correct order when freeing monitor_pages
spmi: of: fixup generic SPMI devicetree binding example
applicom: dereferencing NULL on error path
misc: genwqe: fix uninitialized return value in genwqe_free_sync_sgl()
miscdevice.h: Simple syntax fix to make pointers consistent.
MAINTAINERS: Add miscdevice.h to file list for char/misc drivers.
mcb: Add support for shared PCI IRQs
drivers: Remove duplicate conditionally included subdirs
misc: atmel_pwm: only build for supported platforms
mei: me: move probe quirk to cfg structure
mei: add per device configuration
mei: me: read H_CSR after asserting reset
mei: me: drop harmful wait optimization
mei: me: fix hw ready reset flow
mei: fix memory leak of mei_clients array
uio: fix vma io range check in mmap
drivers: uio_dmem_genirq: Fix memory leak in uio_dmem_genirq_probe()
w1: do not unlock unheld list_mutex in __w1_remove_master_device()
w1: optional bundling of netlink kernel replies
connector: allow multiple messages to be sent in one packet
...
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