Commit Graph

5092 Commits

Author SHA1 Message Date
Ahmad Fatoum
1322149606
regulator: rename regulator-uv-survival-time-ms according to DT binding
The regulator bindings don't document regulator-uv-survival-time-ms, but
the more descriptive regulator-uv-less-critical-window-ms instead.

Looking back at v3[1] and v4[2] of the series adding the support,
the property was indeed renamed between these patch series, but
unfortunately the rename only made it into the DT bindings with the
driver code still using the old name.

Let's therefore rename the property in the driver code to follow suit.
This will break backwards compatibility, but there are no upstream
device trees using the property and we never documented the old name
of the property anyway. ¯\_(ツ)_/¯"

[1]: https://lore.kernel.org/all/20231025084614.3092295-7-o.rempel@pengutronix.de/
[2]: https://lore.kernel.org/all/20231026144824.4065145-5-o.rempel@pengutronix.de/

Signed-off-by: Ahmad Fatoum <a.fatoum@pengutronix.de>
Link: https://patch.msgid.link/20241218-regulator-uv-survival-time-ms-rename-v1-1-6cac9c3c75da@pengutronix.de
Signed-off-by: Mark Brown <broonie@kernel.org>
2024-12-19 11:15:24 +00:00
Philippe Simons
f07ae52f5c
regulator: axp20x: AXP717: set ramp_delay
AXP717 datasheet says that regulator ramp delay is 15.625 us/step,
which is 10mV in our case.

Add a AXP_DESC_RANGES_DELAY macro and update AXP_DESC_RANGES macro to
expand to AXP_DESC_RANGES_DELAY with ramp_delay = 0

For DCDC4, steps is 100mv

Add a AXP_DESC_DELAY macro and update AXP_DESC macro to
expand to AXP_DESC_DELAY with ramp_delay = 0

This patch fix crashes when using CPU DVFS.

Signed-off-by: Philippe Simons <simons.philippe@gmail.com>
Tested-by: Hironori KIKUCHI <kikuchan98@gmail.com>
Tested-by: Chris Morgan <macromorgan@hotmail.com>
Reviewed-by: Chen-Yu Tsai <wens@csie.org>
Fixes: d2ac3df75c ("regulator: axp20x: add support for the AXP717")
Link: https://patch.msgid.link/20241208124308.5630-1-simons.philippe@gmail.com
Signed-off-by: Mark Brown <broonie@kernel.org>
2024-12-09 13:06:07 +00:00
Linus Torvalds
d83ec4afd2 regulator: Fixes for v6.13
A couple of fixes that came in during the merge window, plus
 documetation of a new device ID for the Qualcomm LABIBB driver.  There's
 a core fix for the rarely used current constraints and a fix for the
 Qualcomm RPMH driver which had described only one of the two voltage
 ranges that the hardware could control, creating a potential
 incompatibility with the configuration left by firmware.
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Merge tag 'regulator-fix-v6.13-merge-window' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/regulator

Pull regulator fixes from Mark Brown:
 "A couple of fixes that came in during the merge window, plus
  documetation of a new device ID for the Qualcomm LABIBB driver.

  There's a core fix for the rarely used current constraints and a fix
  for the Qualcomm RPMH driver which had described only one of the two
  voltage ranges that the hardware could control, creating a potential
  incompatibility with the configuration left by firmware"

* tag 'regulator-fix-v6.13-merge-window' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/regulator:
  regulator: core: Ignore unset max_uA constraints in current limit check
  dt-bindings: regulator: qcom-labibb-regulator: document the pmi8950 labibb regulator
  regulator: qcom-rpmh: Update ranges for FTSMPS525
2024-11-28 09:40:53 -08:00
Linus Torvalds
80739fd00c - Several drivers, including atmel-flexcom/rk8xx-core, palmas, and
tps65010, have undergone minor code improvements to enhance consistency and
   fix race conditions.
 
 - The syscon driver now utilizes the regmap max_register_is_0 capability
   for consistent register map configuration across syscons of all sizes.
 
 - New device support has been added for QCS8300, qcs615, SA8255p, and
   samsung,s2dos05, expanding the range of compatible hardware.
 
 - The cros_ec driver now supports loading cros_ec_ucsi on supported ECs
   and avoids loading the charger with UCSI, streamlining functionality.
 
 - The bd96801 driver now utilizes the more modern maple tree register
   cache, improving performance.
 
 - The da9052-spi driver has undergone a fix to change the read-mask to
   write-mask, preventing potential issues.
 
 - Unused declarations in max77693 have been removed, and support for
   samsung,s2dos05 has been added, enhancing code clarity and device compatibility.
 
 - Error handling in cs42l43 has been fixed to avoid unbalanced regulator
   put and ensure proper synchronization during driver removal.
 
 - The wcd934x driver now uses MODULE_DEVICE_TABLE() instead of
   MODULE_ALIAS(), improving code consistency.
 
 - Documentation for qcom,tcsr, syscon, and atmel-smc has been updated
   and reorganized for better clarity and maintainability.
 
 - The intel_soc_pmic_bxtwc driver has undergone significant improvements,
   including the use of IRQ domains for various devices, fixing IRQ domain names
   duplication, and code refactoring for better consistency and maintainability.
 
 - The ipaq-micro driver has received a fix for a missing break statement in
   the default case, enhancing code robustness.
 
 - Support for the AXP323 PMIC has been added to the axp20x driver, along
   with ensuring a clear relationship between IDs and model names, and allowing
   multiple regulators, broadening hardware compatibility.
 
 - The cs42l43 driver now disables IRQs during suspend for improved power
   management.
 
 - The adp5585 driver has reduced its dependencies by dropping the obsolete
   dependency on COMPILE_TEST.
 
 - Initial support for the MT6328 PMIC has been added to the mt6397 driver,
   expanding the range of supported hardware.
 
 - The rtc-bd70528 driver has been simplified by dropping the IC name from
   IRQ, improving code readability.
 
 - Documentation for qcom,spmi-pmic, ti,twl, and zii,rave-sp has been
   updated to enhance clarity and incorporate new features.
 
 - The rt5033 driver has received a fix for a missing regmap_del_irq_chip()
   in the error handling path.
 
 - New device support has been added for MSM8917, and the
   intel_soc_pmic_crc driver now supports non-ACPI instantiated i2c_client.
 
 - The 88pm886 driver has added support for the RTC cell, and the tqmx86
   driver has improved its GPIO IRQ setup and added I2C IRQ support,
   increasing functionality.
 
 - The sprd,sc2731 DT schema has been updated and converted to YAML format
   for better readability and maintainability.
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Merge tag 'mfd-next-6.13' of git://git.kernel.org/pub/scm/linux/kernel/git/lee/mfd

Pull MFD updates from Lee Jones:

 - Several drivers, including atmel-flexcom/rk8xx-core, palmas, and
   tps65010, have undergone minor code improvements to enhance
   consistency and fix race conditions.

 - The syscon driver now utilizes the regmap max_register_is_0
   capability for consistent register map configuration across syscons
   of all sizes.

 - New device support has been added for QCS8300, qcs615, SA8255p, and
   samsung,s2dos05, expanding the range of compatible hardware.

 - The cros_ec driver now supports loading cros_ec_ucsi on supported ECs
   and avoids loading the charger with UCSI, streamlining functionality.

 - The bd96801 driver now utilizes the more modern maple tree register
   cache, improving performance.

 - The da9052-spi driver has undergone a fix to change the read-mask to
   write-mask, preventing potential issues.

 - Unused declarations in max77693 have been removed, and support for
   samsung,s2dos05 has been added, enhancing code clarity and device
   compatibility.

 - Error handling in cs42l43 has been fixed to avoid unbalanced
   regulator put and ensure proper synchronization during driver
   removal.

 - The wcd934x driver now uses MODULE_DEVICE_TABLE() instead of
   MODULE_ALIAS(), improving code consistency.

 - Documentation for qcom,tcsr, syscon, and atmel-smc has been updated
   and reorganized for better clarity and maintainability.

 - The intel_soc_pmic_bxtwc driver has undergone significant
   improvements, including the use of IRQ domains for various devices,
   fixing IRQ domain names duplication, and code refactoring for better
   consistency and maintainability.

 - The ipaq-micro driver has received a fix for a missing break
   statement in the default case, enhancing code robustness.

 - Support for the AXP323 PMIC has been added to the axp20x driver,
   along with ensuring a clear relationship between IDs and model names,
   and allowing multiple regulators, broadening hardware compatibility.

 - The cs42l43 driver now disables IRQs during suspend for improved
   power management.

 - The adp5585 driver has reduced its dependencies by dropping the
   obsolete dependency on COMPILE_TEST.

 - Initial support for the MT6328 PMIC has been added to the mt6397
   driver, expanding the range of supported hardware.

 - The rtc-bd70528 driver has been simplified by dropping the IC name
   from IRQ, improving code readability.

 - Documentation for qcom,spmi-pmic, ti,twl, and zii,rave-sp has been
   updated to enhance clarity and incorporate new features.

 - The rt5033 driver has received a fix for a missing
   regmap_del_irq_chip() in the error handling path.

 - New device support has been added for MSM8917, and the
   intel_soc_pmic_crc driver now supports non-ACPI instantiated
   i2c_client.

 - The 88pm886 driver has added support for the RTC cell, and the tqmx86
   driver has improved its GPIO IRQ setup and added I2C IRQ support,
   increasing functionality.

 - The sprd,sc2731 DT schema has been updated and converted to YAML
   format for better readability and maintainability.

* tag 'mfd-next-6.13' of git://git.kernel.org/pub/scm/linux/kernel/git/lee/mfd: (62 commits)
  dt-bindings: mfd: bd71828: Use charger resistor in mOhm instead of MOhm
  dt-bindings: mfd: sprd,sc2731: Convert to YAML
  mfd: tqmx86: Add I2C IRQ support
  mfd: tqmx86: Make IRQ setup errors non-fatal
  mfd: tqmx86: Refactor GPIO IRQ setup
  mfd: tqmx86: Improve gpio_irq module parameter description
  mfd: tqmx86: Add board definitions for TQMx120UC, TQMx130UC and TQMxE41S
  mfd: 88pm886: Add the RTC cell
  dt-bindings: mfd: Add Realtek RTL9300 switch peripherals
  mfd: intel_soc_pmic_crc: Add support for non ACPI instantiated i2c_client
  mfd: intel_soc_pmic_*: Consistently use filename as driver name
  dt-bindings: mfd: qcom,tcsr: Add compatible for MSM8917
  mfd: rt5033: Fix missing regmap_del_irq_chip()
  mfd: cgbc-core: Fix error handling paths in cgbc_init_device()
  dt-bindings: mfd: aspeed: Support for AST2700
  mfd: Switch back to struct platform_driver::remove()
  dt-bindings: mfd: qcom,spmi-pmic: Document PMICs added in SM8750
  mfd: rtc: bd7xxxx Drop IC name from IRQ
  mfd: mt6397: Add initial support for MT6328
  mfd: adp5585: Drop obsolete dependency on COMPILE_TEST
  ...
2024-11-22 16:19:47 -08:00
Kory Maincent (Dent Project)
351f2bfe63
regulator: core: Ignore unset max_uA constraints in current limit check
We should only consider max_uA constraints if they are explicitly defined.
In cases where it is not set, we should assume the regulator has no current
limit.

Signed-off-by: Kory Maincent <kory.maincent@bootlin.com>
Link: https://patch.msgid.link/20241121-feature_poe_port_prio-v3-2-83299fa6967c@bootlin.com
Signed-off-by: Mark Brown <broonie@kernel.org>
2024-11-21 14:48:25 +00:00
Linus Torvalds
4bd37a902a regulator: Updates for v6.13
This was a quite quiet release for regulators on the drivers front, but
 we do have two small but useful core improvements:
 
  - Improve handling of cases where DT platforms specify both DT and
    init_data based configuration for a single regulator.
  - A helper of_regulator_get_optional() to simplify writing generic
    bindings for regulator consumers in subsystems.
 
 There's also some YAML conversions for the DT bindings which are a big
 part of the diffstat.
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Merge tag 'regulator-v6.13' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/regulator

Pull regulator updates from Mark Brown:
 "This was a quite quiet release for regulators on the drivers front,
  but we do have two small but useful core improvements:

   - Improve handling of cases where DT platforms specify both DT and
     init_data based configuration for a single regulator.

   - A helper of_regulator_get_optional() to simplify writing generic
     bindings for regulator consumers in subsystems.

  There's also some YAML conversions for the DT bindings which are a big
  part of the diffstat"

* tag 'regulator-v6.13' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/regulator:
  regulator: dt-bindings: qcom,rpmh: Correct PM8550VE supplies
  regulator: Switch back to struct platform_driver::remove()
  regulator: doc: remove documentation comment for regulator_init
  regulator: doc: add missing documentation for init_cb
  regulator: rk808: Restrict DVS GPIOs to the RK808 variant only
  regulator: rk808: Use dev_err_probe() in the probe path
  regulator: rk808: Perform trivial code cleanups
  regulator: dt-bindings: qcom,qca6390-pmu: add more properties for wcn6855
  regulator: dt-bindings: lltc,ltc3676: convert to YAML
  regulator: core: Use fsleep() to get best sleep mechanism
  regulator: core: remove machine init callback from config
  regulator: core: add callback to perform runtime init
  regulator: core: do not silently ignore provided init_data
  regulator: max5970: Drop unused structs
  regulator: dt-bindings: vctrl-regulator: convert to YAML
  regulator: qcom-smd: make smd_vreg_rpm static
  regulator: Call of_node_put() only once in rzg2l_usb_vbus_regulator_probe()
  regulator: isl6271a: Drop explicit initialization of struct i2c_device_id::driver_data to 0
  regulator: Add devres version of of_regulator_get_optional()
  regulator: Add of_regulator_get_optional() for pure DT regulator lookup
2024-11-20 12:18:50 -08:00
Melody Olvera
eeecf953d6
regulator: qcom-rpmh: Update ranges for FTSMPS525
All FTSMPS525 regulators support LV and MV ranges; however,
the boot loader firmware will determine which range to use as
the device boots.

Nonetheless, the driver cannot determine which range was selected,
so hardcoding the ranges as either LV or MV will not cover all cases
as it's possible for the firmware to select a range not supported by
the driver's current hardcoded values.

To this end, combine the ranges for the FTSMPS525s into one struct
and point all regulators to the updated combined struct. This should
work on all boards regardless of which range is selected by the firmware
and more accurately caputres the capability of this regulator on a
hardware level.

Signed-off-by: Melody Olvera <quic_molvera@quicinc.com>
Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Link: https://patch.msgid.link/20241112002645.2803506-1-quic_molvera@quicinc.com
Signed-off-by: Mark Brown <broonie@kernel.org>
2024-11-18 15:44:30 +00:00
Uwe Kleine-König
1b55354745
regulator: Switch back to struct platform_driver::remove()
After commit 0edb555a65 ("platform: Make platform_driver::remove()
return void") .remove() is (again) the right callback to implement for
platform drivers.

Convert all platform drivers below drivers/regulator to use .remove(),
with the eventual goal to drop struct platform_driver::remove_new(). As
.remove() and .remove_new() have the same prototypes, conversion is done
by just changing the structure member name in the driver initializer.

A few whitespace changes are done en passant to make indention
consistent.

Signed-off-by: Uwe Kleine-König <u.kleine-koenig@baylibre.com>
Link: https://patch.msgid.link/ab85510f83fa901e44d5d563fe6e768054229bfe.1731398433.git.u.kleine-koenig@baylibre.com
Signed-off-by: Mark Brown <broonie@kernel.org>
2024-11-12 13:08:35 +00:00
Mikhail Rudenko
5e53e4a66b
regulator: rk808: Add apply_bit for BUCK3 on RK809
Currently, RK809's BUCK3 regulator is modelled in the driver as a
configurable regulator with 0.5-2.4V voltage range. But the voltage
setting is not actually applied, because when bit 6 of
PMIC_POWER_CONFIG register is set to 0 (default), BUCK3 output voltage
is determined by the external feedback resistor. Fix this, by setting
bit 6 when voltage selection is set. Existing users which do not
specify voltage constraints in their device trees will not be affected
by this change, since no voltage setting is applied in those cases,
and bit 6 is not enabled.

Signed-off-by: Mikhail Rudenko <mike.rudenko@gmail.com>
Link: https://patch.msgid.link/20241017-rk809-dcdc3-v1-1-e3c3de92f39c@gmail.com
Signed-off-by: Mark Brown <broonie@kernel.org>
2024-11-01 14:47:08 +00:00
Andre Przywara
a0f8a8898e regulator: axp20x: add support for the AXP323
The X-Powers AXP323 is a very close sibling of the AXP313A. The only
difference seems to be the ability to dual-phase the first two DC/DC
converters.

Place the new AXP323 ID next to the existing AXP313A checks, to let
them share most code.
The only difference is the poly-phase detection code, which gets
extended to check the respective bit in a newly used register.

Signed-off-by: Andre Przywara <andre.przywara@arm.com>
Reviewed-by: Chen-Yu Tsai <wens@csie.org>
Reviewed-by: Mark Brown <broonie@kernel.org>
Link: https://lore.kernel.org/r/20241007001408.27249-6-andre.przywara@arm.com
Signed-off-by: Lee Jones <lee@kernel.org>
2024-10-31 15:51:31 +00:00
Andre Przywara
697a4001d3 mfd: axp20x: Ensure relationship between IDs and model names
At the moment there is an implicit relationship between the AXP model
IDs and the order of the strings in the axp20x_model_names[] array.
This is fragile, and makes adding IDs in the middle error prone.

Make this relationship official by changing the ID type to the actual
enum used, and using indexed initialisers for the string list.

Signed-off-by: Andre Przywara <andre.przywara@arm.com>
Reviewed-by: Chen-Yu Tsai <wens@csie.org>
Link: https://lore.kernel.org/r/20241007001408.27249-3-andre.przywara@arm.com
Signed-off-by: Lee Jones <lee@kernel.org>
2024-10-31 15:51:20 +00:00
ChiYuan Huang
2feb023110
regulator: rtq2208: Fix uninitialized use of regulator_config
Fix rtq2208 driver uninitialized use to cause kernel error.

Fixes: 85a11f5562 ("regulator: rtq2208: Add Richtek RTQ2208 SubPMIC")
Signed-off-by: ChiYuan Huang <cy_huang@richtek.com>
Link: https://patch.msgid.link/00d691cfcc0eae9ce80a37b62e99851e8fdcffe2.1729829243.git.cy_huang@richtek.com
Signed-off-by: Mark Brown <broonie@kernel.org>
2024-10-25 14:10:19 +01:00
Mark Brown
5ddc236d09
regulator: init_data handling update
Merge series from Jerome Brunet <jbrunet@baylibre.com>:

This patchset groups the regulator patches around the init_data topic
discussed on pmbus write protect patchset [1]

[1]: https://lore.kernel.org/r/20240920-pmbus-wp-v1-0-d679ef31c483@baylibre.com
2024-10-22 23:18:45 +01:00
Dragan Simic
0d214f27c0
regulator: rk808: Restrict DVS GPIOs to the RK808 variant only
The rk808-regulator driver supports multiple PMIC variants from the Rockckip
RK80x and RK81x series, but the DVS GPIOs are supported on the RK808 variant
only, according to the DT bindings [1][2][3][4][5][6] and the datasheets for
the supported PMIC variants. [7][8][9][10][11][12]

Thus, change the probe path so the "dvs-gpios" property is checked for and
its value possibly used only when the handled PMIC variant is RK808.  There's
no point in doing that on the other PMIC variants, because they don't support
the DVS GPIOs, and it goes against the DT bindings to allow a possible out-
of-place "dvs-gpios" property to actually be handled in the driver.

This eliminates the following messages, emitted when the "dvs-gpios" property
isn't found in the DT, from the kernel log on boards that actually don't use
the RK808 variant, which may have provided a source of confusion:

  rk808-regulator rk808-regulator.2.auto: there is no dvs0 gpio
  rk808-regulator rk808-regulator.2.auto: there is no dvs1 gpio

Furthermore, demote these kernel messages to debug messages, because they are
useful during the board bringup phase only.  Emitting them afterwards, on the
boards that use the RK808 variant, but actually don't use the DVS0/1 GPIOs,
clutters the kernel log a bit, while they provide no value and may actually
cause false impression that some PMIC-related issues are present.

[1] Documentation/devicetree/bindings/mfd/rockchip,rk805.yaml
[2] Documentation/devicetree/bindings/mfd/rockchip,rk806.yaml
[3] Documentation/devicetree/bindings/mfd/rockchip,rk808.yaml
[4] Documentation/devicetree/bindings/mfd/rockchip,rk816.yaml
[5] Documentation/devicetree/bindings/mfd/rockchip,rk817.yaml
[6] Documentation/devicetree/bindings/mfd/rockchip,rk818.yaml
[7] https://rockchip.fr/RK805%20datasheet%20V1.2.pdf
[8] https://wmsc.lcsc.com/wmsc/upload/file/pdf/v2/lcsc/2401261533_Rockchip-RK806-1_C5156483.pdf
[9] https://rockchip.fr/RK808%20datasheet%20V1.4.pdf
[10] https://rockchip.fr/RK816%20datasheet%20V1.3.pdf
[11] https://rockchip.fr/RK817%20datasheet%20V1.01.pdf
[12] https://rockchip.fr/RK818%20datasheet%20V1.0.pdf

Fixes: 1137529353 ("regulator: rk808: Add regulator driver for RK818")
Reported-by: Diederik de Haas <didi.debian@cknow.org>
Signed-off-by: Dragan Simic <dsimic@manjaro.org>
Link: https://patch.msgid.link/9a415c59699e76fc7b88a2552520a4ca2538f44e.1728902488.git.dsimic@manjaro.org
Signed-off-by: Mark Brown <broonie@kernel.org>
2024-10-22 21:02:42 +01:00
Dragan Simic
bbc1baaec0
regulator: rk808: Use dev_err_probe() in the probe path
Improve error handling in the probe path by using function dev_err_probe()
instead of function dev_err(), where appropriate.

Signed-off-by: Dragan Simic <dsimic@manjaro.org>
Link: https://patch.msgid.link/2bfd889a35b1b0454952ec8180a53143bd860192.1728902488.git.dsimic@manjaro.org
Signed-off-by: Mark Brown <broonie@kernel.org>
2024-10-22 21:02:41 +01:00
Dragan Simic
a2f899691d
regulator: rk808: Perform trivial code cleanups
Perform a few trivial code cleanups, to improve the accuracy and wording of
a couple of comments and the module description, and to avoid line wrapping
in a few places by using the 100-column width a bit better.

No intended functional changes are introduced by these code cleanups.

Signed-off-by: Dragan Simic <dsimic@manjaro.org>
Link: https://patch.msgid.link/ac44aefcc7b3adbd8dcc5654a5ef8c493ce21ea0.1728902488.git.dsimic@manjaro.org
Signed-off-by: Mark Brown <broonie@kernel.org>
2024-10-22 21:02:40 +01:00
Anna-Maria Behnsen
59a06dce78
regulator: core: Use fsleep() to get best sleep mechanism
_regulator_delay_helper() implements the recommondation of the outdated
documentation which sleep mechanism should be used. There is already a
function in place which does everything and also maps to reality called
fsleep().

Use fsleep() directly.

Cc: Liam Girdwood <lgirdwood@gmail.com>
Cc: Mark Brown <broonie@kernel.org>
Signed-off-by: Anna-Maria Behnsen <anna-maria@linutronix.de>
Reviewed-by: Frederic Weisbecker <frederic@kernel.org>
Link: https://patch.msgid.link/20241014-devel-anna-maria-b4-timers-flseep-v3-11-dc8b907cb62f@linutronix.de
Signed-off-by: Mark Brown <broonie@kernel.org>
2024-10-22 21:02:30 +01:00
Jerome Brunet
602ff58ae4
regulator: core: remove machine init callback from config
The machine specific regulator_init() appears to be unused.
It does not allow a lot of interaction with the regulator framework,
since nothing from the framework is passed along (desc, config,
etc ...)

Machine specific init may also be done with the added init_cb() in
the regulator description, so remove regulator_init().

Signed-off-by: Jerome Brunet <jbrunet@baylibre.com>
Link: https://patch.msgid.link/20241008-regulator-ignored-data-v2-3-d1251e0ee507@baylibre.com
Signed-off-by: Mark Brown <broonie@kernel.org>
2024-10-22 20:49:15 +01:00
Jerome Brunet
cfcdf395c2
regulator: core: add callback to perform runtime init
Provide an initialisation callback to handle runtime parameters.
The idea is similar to the regulator_init() callback, but it provides
regulator specific structures, instead of just the driver specific data.

As an example, this allows the driver to amend the regulator constraints
based on runtime parameters if necessary.

Signed-off-by: Jerome Brunet <jbrunet@baylibre.com>
Link: https://patch.msgid.link/20241008-regulator-ignored-data-v2-2-d1251e0ee507@baylibre.com
Signed-off-by: Mark Brown <broonie@kernel.org>
2024-10-22 20:49:14 +01:00
Jerome Brunet
cd7a38c40b
regulator: core: do not silently ignore provided init_data
On DT platforms, if a regulator init_data is provided in config, it is
silently ignored in favor of the DT parsing done by the framework, if
of_match is set.

of_match is an indication that init_data is expected to be set based on DT
and the parsing should be done by the regulator framework.

If the regulator provider passed init_data it must be because it is useful
somehow, in such case of_match should be clear.

If the driver expects the framework to initialize this data on its
own, it should leave init_data clear.

Warn if both init_data and of_match are set, then default to the provided
init_data.

Signed-off-by: Jerome Brunet <jbrunet@baylibre.com>
Link: https://patch.msgid.link/20241008-regulator-ignored-data-v2-1-d1251e0ee507@baylibre.com
Signed-off-by: Mark Brown <broonie@kernel.org>
2024-10-22 20:49:13 +01:00
Patrick Rudolph
fceffbfe57
regulator: max5970: Drop unused structs
After splitting the max5970 into a MFD device clean the remaining
code and drop unused structs.

The struct max5970_data and enum max5970_chip_type aren't used.

Signed-off-by: Patrick Rudolph <patrick.rudolph@9elements.com>
Acked-by: Lee Jones <lee@kernel.org>
Link: https://patch.msgid.link/20241002125500.78278-1-patrick.rudolph@9elements.com
Signed-off-by: Mark Brown <broonie@kernel.org>
2024-10-10 12:16:58 +01:00
Mark Brown
dc16594d99
Add of_regulator_get_optional() and Fix MTK Power
Merge series from Chen-Yu Tsai <wenst@chromium.org>:

At ELCE, Sebastian told me about his recent work on adding regulator
supply support to the Rockchip power domain driver [2], how the MediaTek
driver has been using the existing devm_regulator_get() API and
reassigning different device nodes to the device doing the lookup, and
how the new of_regulator_get_optional() is the proper fit for this.

Patch 1 adds a new of_regulator_get_optional() function to look up
regulator supplies using device tree nodes.

Patch 2 adds a devres version of the aforementioned function at
Sebastian's request for the two power domain drivers.
2024-09-30 22:05:51 +01:00
Min-Hua Chen
18be43aca2
regulator: qcom-smd: make smd_vreg_rpm static
Since smd_vreg_rpm is used only in
drivers/regulator/qcom_smd-regulator.c, make it static and fix the
following sparse warning:

drivers/regulator/qcom_smd-regulator.c:14:21: sparse: warning:
symbol 'smd_vreg_rpm' was not declared. Should it be static?

No functional changes intended.

Fixes: 5df3b41bd6 ("regulator: qcom_smd: Keep one rpm handle for all vregs")
Signed-off-by: Min-Hua Chen <minhuadotchen@gmail.com>
Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Link: https://patch.msgid.link/20240926231038.31916-1-minhuadotchen@gmail.com
Signed-off-by: Mark Brown <broonie@kernel.org>
2024-09-30 01:11:44 +02:00
Markus Elfring
7368e9f4e2
regulator: Call of_node_put() only once in rzg2l_usb_vbus_regulator_probe()
An of_node_put(config.of_node) call was immediately used after a pointer
check for a devm_regulator_register() call in this function implementation.
Thus call such a function only once instead directly before the check.

This issue was transformed by using the Coccinelle software.

Signed-off-by: Markus Elfring <elfring@users.sourceforge.net>
Link: https://patch.msgid.link/f9d7a026-a67a-4164-80f4-578b1fbf71ac@web.de
Signed-off-by: Mark Brown <broonie@kernel.org>
2024-09-30 01:11:43 +02:00
Uwe Kleine-König
f4e06afb0b
regulator: isl6271a: Drop explicit initialization of struct i2c_device_id::driver_data to 0
These drivers don't use the driver_data member of struct i2c_device_id,
so don't explicitly initialize this member.

This prepares putting driver_data in an anonymous union which requires
either no initialization or named designators. But it's also a nice
cleanup on its own.

While touching the initializer, also remove the comma after the sentinel
entry.

Signed-off-by: Uwe Kleine-König <u.kleine-koenig@baylibre.com>
Link: https://patch.msgid.link/20240920153430.503212-14-u.kleine-koenig@baylibre.com
Signed-off-by: Mark Brown <broonie@kernel.org>
2024-09-30 01:11:42 +02:00
Chen-Yu Tsai
36ec3f4372
regulator: Add devres version of of_regulator_get_optional()
There are existing uses for a devres version of of_regulator_get_optional()
in power domain drivers. On MediaTek platforms, power domains may have
regulator supplies tied to them. The driver currently tries to use
devm_regulator_get() to not have to manage the lifecycle, but ends up
doing it in a very hacky way by replacing the device node of the power
domain controller device to the device node of the power domain that is
currently being registered, getting the supply, and reverting the device
node.

Provide a better API so that the hack can be replaced.

Signed-off-by: Chen-Yu Tsai <wenst@chromium.org>
Link: https://patch.msgid.link/20240925093807.1026949-3-wenst@chromium.org
Signed-off-by: Mark Brown <broonie@kernel.org>
2024-09-30 01:11:41 +02:00
Chen-Yu Tsai
5441b6975a
regulator: Add of_regulator_get_optional() for pure DT regulator lookup
The to-be-introduced I2C component prober needs to enable regulator
supplies (and toggle GPIO pins) for the various components it intends
to probe. To support this, a new "pure DT lookup" method for getting
regulator supplies is needed, since the device normally requesting
the supply won't get created until after the component is probed to
be available.

Add a new of_regulator_get_optional() function for this. This mirrors
the existing regulator_get_optional() function, but is OF-specific.
The underlying code that supports the existing regulator_get*()
functions has been reworked in previous patches to support this
specific case.

Also convert an existing usage of "dev && dev->of_node" to
"dev_of_node(dev)".

Link: https://lore.kernel.org/all/20231220203537.83479-2-jernej.skrabec@gmail.com/ [1]
Signed-off-by: Chen-Yu Tsai <wenst@chromium.org>
Link: https://patch.msgid.link/20240925093807.1026949-2-wenst@chromium.org
Reviewed-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
2024-09-30 01:11:40 +02:00
Christophe JAILLET
4591a2271f
regulator: sm5703: Remove because it is unused and fails to build
This file does not compile because <linux/mfd/sm5703.h> is missing.
In KConfig, it depends on MFD_SM5703.

Both MFD_SM5703 and the missing include rely on another patch that never
got merged. The last iteration related to this patch is [1].

So remove this dead-code and undo commit e8858ba89c ("regulator:
sm5703-regulator: Add regulators support for SM5703 MFD")

[1]: https://lore.kernel.org/lkml/20220423085319.483524-5-markuss.broks@gmail.com/

Signed-off-by: Christophe JAILLET <christophe.jaillet@wanadoo.fr>
Link: https://patch.msgid.link/0f5da91a05e7343d290c88e3c583b674cf6219ac.1725910247.git.christophe.jaillet@wanadoo.fr
Signed-off-by: Mark Brown <broonie@kernel.org>
2024-09-13 19:08:14 +01:00
Chen-Yu Tsai
2a1de56789
regulator: Split up _regulator_get()
_regulator_get() contains a lot of common code doing checks prior to the
regulator lookup and housekeeping work after the lookup. Almost all the
code could be shared with a OF-specific variant of _regulator_get().

Split out the common parts so that they can be reused. The OF-specific
version of _regulator_get() will be added in a subsequent patch.
No functional changes were made.

Signed-off-by: Chen-Yu Tsai <wenst@chromium.org>
Reviewed-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Link: https://patch.msgid.link/20240911072751.365361-4-wenst@chromium.org
Signed-off-by: Mark Brown <broonie@kernel.org>
2024-09-13 17:39:48 +01:00
André Draszik
fb9ce84a01
regulator: update some comments ([gs]et_voltage_vsel vs [gs]et_voltage_sel)
Some comments here are referring to a non-existent
regulator_ops::get_voltage_vsel() where ::get_voltage_sel() is meant,
and similar for ::set_voltage_vsel() / ::set_voltage_sel().

Update the comments.

Signed-off-by: André Draszik <andre.draszik@linaro.org>
Link: https://patch.msgid.link/20240913-regulator-typos-v1-1-92781c93f638@linaro.org
Signed-off-by: Mark Brown <broonie@kernel.org>
2024-09-13 14:57:08 +01:00
Jinjie Ruan
ff97b9c0df
regulator: max8973: Use irq_get_trigger_type() helper
Use irq_get_trigger_type() to replace irq_get_irq_data() and then
irqd_get_trigger_type(), if the irq data is NULL it will return 0.

Signed-off-by: Jinjie Ruan <ruanjinjie@huawei.com>
Link: https://patch.msgid.link/20240913013503.3754712-1-ruanjinjie@huawei.com
Signed-off-by: Mark Brown <broonie@kernel.org>
2024-09-13 14:57:07 +01:00
Wei Fang
a1d12410d9
regulator: core: fix the broken behavior of regulator_dev_lookup()
The behavior of regulator_dev_lookup() for non-DT way has been broken
since the commit b8c3255457 ("regulator: Move OF-specific regulator
lookup code to of_regulator.c").

Before the commit, of_get_regulator() was used to get the regulator,
which returns NULL if the regulator is not found. So the regulator
will be looked up through regulator_lookup_by_name() if no matching
regulator is found in regulator_map_list.

However, currently, of_regulator_dev_lookup() is used to instead of
of_get_regulator(), but the variable 'r' is set to ERR_PTR(-ENODEV)
instead of NULL if the regulator is not found. In this case, if no
regulator is found in regulator_map_list, the variable 'r' is still
ERR_PTR(-ENODEV), So regulator_dev_lookup() returns the value of 'r'
directly instead of continuing to look up the regulator through
regulator_lookup_by_name().

Fixes: b8c3255457 ("regulator: Move OF-specific regulator lookup code to of_regulator.c")
Signed-off-by: Wei Fang <wei.fang@nxp.com>
Link: https://patch.msgid.link/20240911120338.526384-1-wei.fang@nxp.com
Signed-off-by: Mark Brown <broonie@kernel.org>
2024-09-11 15:39:01 +01:00
Mark Brown
5faf6daf65
regulator: Few constifications of static data
Merge series from Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>:

Few cleanups (safer code), built tested.  Last two patches should
probably be tested.
2024-09-11 11:20:37 +01:00
Krzysztof Kozlowski
c4d6a80471
regulator: max77650: Use container_of and constify static data
Switch from rdev_get_drvdata() to container_of(), so the static
'struct max77650_regulator_desc' holding 'struct regulator_desc' can
be made const for code safety.

Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Link: https://patch.msgid.link/20240909-regulator-const-v1-17-8934704a5787@linaro.org
Signed-off-by: Mark Brown <broonie@kernel.org>
2024-09-10 12:44:18 +01:00
Krzysztof Kozlowski
7dd36b3287
regulator: hi6421v530: Use container_of and constify static data
Switch from rdev_get_drvdata() to container_of(), so the static
'struct hi6421v530_regulator_info' holding 'struct regulator_desc' can
be made const for code safety.

Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Link: https://patch.msgid.link/20240909-regulator-const-v1-16-8934704a5787@linaro.org
Signed-off-by: Mark Brown <broonie@kernel.org>
2024-09-10 12:44:17 +01:00
Krzysztof Kozlowski
e9c7ff34c2
regulator: hi6421v530: Drop unused 'eco_microamp'
The hi6421v530_regulator_info.eco_microamp is assigned once and never
used again.

Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Link: https://patch.msgid.link/20240909-regulator-const-v1-15-8934704a5787@linaro.org
Signed-off-by: Mark Brown <broonie@kernel.org>
2024-09-10 12:44:16 +01:00
Krzysztof Kozlowski
7eb5d065ec
regulator: qcom-refgen: Constify static data
Driver does not modify static data with regulator description (struct
regulator_desc), so make it const for code safety.

Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Link: https://patch.msgid.link/20240909-regulator-const-v1-14-8934704a5787@linaro.org
Signed-off-by: Mark Brown <broonie@kernel.org>
2024-09-10 12:44:15 +01:00
Krzysztof Kozlowski
6f4fd2b8a5
regulator: pfuze100: Constify static data
Driver does not modify static data with regulator description (struct
pfuze_regulator), so make it const for code safety.

Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Link: https://patch.msgid.link/20240909-regulator-const-v1-13-8934704a5787@linaro.org
Signed-off-by: Mark Brown <broonie@kernel.org>
2024-09-10 12:44:14 +01:00
Krzysztof Kozlowski
7f1bfca46b
regulator: pcap: Constify static data
Driver does not modify static data with regulator description (struct
pcap_regulator), so make it const for code safety.

Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Link: https://patch.msgid.link/20240909-regulator-const-v1-12-8934704a5787@linaro.org
Signed-off-by: Mark Brown <broonie@kernel.org>
2024-09-10 12:44:13 +01:00
Krzysztof Kozlowski
90b94a05b6
regulator: mtk-dvfsrc: Constify static data
Driver does not modify static data with regulator description (struct
regulator_desc), so make it const for code safety.

Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Link: https://patch.msgid.link/20240909-regulator-const-v1-11-8934704a5787@linaro.org
Signed-off-by: Mark Brown <broonie@kernel.org>
2024-09-10 12:44:12 +01:00
Krzysztof Kozlowski
96d7ee7cb0
regulator: max77826: Constify static data
Driver does not modify static data with regulator description (struct
regulator_desc), so make it const for code safety.

Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Link: https://patch.msgid.link/20240909-regulator-const-v1-10-8934704a5787@linaro.org
Signed-off-by: Mark Brown <broonie@kernel.org>
2024-09-10 12:44:11 +01:00
Krzysztof Kozlowski
653976707d
regulator: max77826: Drop unused 'rdesc' in 'struct max77826_regulator_info'
The max77826_regulator_info.rdesc is assigned once and never used again.

Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Link: https://patch.msgid.link/20240909-regulator-const-v1-9-8934704a5787@linaro.org
Signed-off-by: Mark Brown <broonie@kernel.org>
2024-09-10 12:44:10 +01:00
Krzysztof Kozlowski
7fb636dc26
regulator: tps65023: Constify static data
Driver does not modify static data with regulator description (struct
tps_driver_data), so make it const for code safety.

Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Link: https://patch.msgid.link/20240909-regulator-const-v1-8-8934704a5787@linaro.org
Signed-off-by: Mark Brown <broonie@kernel.org>
2024-09-10 12:44:09 +01:00
Krzysztof Kozlowski
5ec424afc9
regulator: hi6421v600: Constify static data
Driver does not modify static data with regulator description (struct
hi6421_spmi_reg_info), so make it const for code safety.

Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Link: https://patch.msgid.link/20240909-regulator-const-v1-7-8934704a5787@linaro.org
Signed-off-by: Mark Brown <broonie@kernel.org>
2024-09-10 12:44:08 +01:00
Krzysztof Kozlowski
b94afa51ca
regulator: hi6421: Constify static data
Driver does not modify static data with regulator description (struct
hi6421_regulator_info), so make it const for code safety.

Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Link: https://patch.msgid.link/20240909-regulator-const-v1-6-8934704a5787@linaro.org
Signed-off-by: Mark Brown <broonie@kernel.org>
2024-09-10 12:44:07 +01:00
Krzysztof Kozlowski
b3f1e8e32e
regulator: da9121: Constify static data
Driver does not modify static data with regulator description (struct
da9121_range), so make it const for code safety.

Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Link: https://patch.msgid.link/20240909-regulator-const-v1-4-8934704a5787@linaro.org
Signed-off-by: Mark Brown <broonie@kernel.org>
2024-09-10 12:44:06 +01:00
Krzysztof Kozlowski
0601c1e5c4
regulator: da9063: Constify static data
Driver does not modify static data with device variant description
(struct da9063_dev_model), so make it const for code safety.

Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Link: https://patch.msgid.link/20240909-regulator-const-v1-3-8934704a5787@linaro.org
Signed-off-by: Mark Brown <broonie@kernel.org>
2024-09-10 12:44:05 +01:00
Krzysztof Kozlowski
dfa9e708c6
regulator: da9055: Constify static data
Driver does not modify static data with regulators description (struct
da9055_regulator_info), so make it const for code safety.

Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Link: https://patch.msgid.link/20240909-regulator-const-v1-2-8934704a5787@linaro.org
Signed-off-by: Mark Brown <broonie@kernel.org>
2024-09-10 12:44:04 +01:00
Krzysztof Kozlowski
9653007e7d
regulator: da9052: Constify static data
Driver does not modify static data with regulators description (struct
da9052_regulator_info), so make it const for code safety.

Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Link: https://patch.msgid.link/20240909-regulator-const-v1-1-8934704a5787@linaro.org
Signed-off-by: Mark Brown <broonie@kernel.org>
2024-09-10 12:44:03 +01:00
Yu Jiaoliang
886fee3525
regulator: Fix typos in the comment
Fixed some confusing typographical errors:
comptabile->compatible,
asignment->assignment,
Verison->Version,
meansurement->measurement,
offets->offsets.

Signed-off-by: Yu Jiaoliang <yujiaoliang@vivo.com>
Link: https://patch.msgid.link/20240910064631.3223441-1-yujiaoliang@vivo.com
Signed-off-by: Mark Brown <broonie@kernel.org>
2024-09-10 12:40:38 +01:00