Commit Graph

159 Commits

Author SHA1 Message Date
Mark Brown
6d9deb7ad4 Merge remote-tracking branches 'regulator/topic/rk808', 'regulator/topic/rn5t618' and 'regulator/topic/samsung' into regulator-next 2014-09-30 13:50:30 +01:00
Mark Brown
64b285ad7b Merge remote-tracking branches 'regulator/topic/max1586', 'regulator/topic/max77802' and 'regulator/topic/of' into regulator-next 2014-09-30 13:50:29 +01:00
Mark Brown
a81bf3c4fc Merge remote-tracking branches 'regulator/topic/drivers', 'regulator/topic/enable', 'regulator/topic/fan53555', 'regulator/topic/hi6421' and 'regulator/topic/isl9305' into regulator-next 2014-09-30 13:50:27 +01:00
Mark Brown
fdaff15ae6 Merge remote-tracking branch 'regulator/topic/sky81452' into regulator-drivers
Conflicts:
	drivers/regulator/Kconfig
	drivers/regulator/Makefile
2014-09-28 12:17:00 +01:00
Mark Brown
d1c3f7ca15 Merge remote-tracking branch 'regulator/topic/pwm' into regulator-drivers
Conflicts:
	drivers/regulator/Kconfig
2014-09-28 12:14:26 +01:00
Chris Zhong
aa66cc6630 regulator: pwm-regulator: get voltage and duty table from dts
rename st-pwm to pwm-regulator. And support getting voltage & duty table from
device tree, other platforms can also use this driver without any modify.

Signed-off-by: Chris Zhong <zyw@rock-chips.com>
Reviewed-by: Doug Anderson <dianders@chromium.org>
Tested-by: Doug Anderson <dianders@chromium.org>
Signed-off-by: Mark Brown <broonie@kernel.org>
2014-09-28 11:35:53 +01:00
Bjorn Andersson
2720386ec5 regulator: qcom-rpm: Regulator driver for the Qualcomm RPM
Driver for regulators exposed by the Resource Power Manager (RPM) found
in Qualcomm 8660, 8960 and 8064 based devices.

Signed-off-by: Bjorn Andersson <bjorn.andersson@sonymobile.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
2014-09-24 09:35:10 +01:00
Axel Lin
ba441ec225 regulator: isl9305: REGULATOR_ISL9305 needs to select REGMAP_I2C
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>
2014-09-10 12:45:48 +01:00
Mark Brown
dec38b5ce6 regulator: isl9305: Add Intersil ISL9305/H driver
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>
2014-09-06 12:43:05 +01:00
Beniamino Galvani
811b700630 regulator: rn5t618: add driver for Ricoh RN5T618 regulators
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>
2014-08-30 14:10:04 +01:00
Chris Zhong
2cd64ae3d5 regulator: RK808: Add regulator driver for RK808
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>
2014-08-20 11:28:15 -05:00
Javier Martinez Canillas
e6f2f805d7 regulator: Add driver for max77802 PMIC PMIC regulators
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>
2014-08-18 10:22:52 -05:00
Guodong Xu
87ca186f7e regulator: add driver for hi6421 voltage regulator
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>
2014-08-16 16:58:15 -05:00
Gyungoh Yoo
9839d627c2 regulator: sky81452: Adding Skyworks SKY81452 regulator driver
Signed-off-by: Gyungoh Yoo <jack.yoo@skyworksinc.com>
Signed-off-by: Mark Brown <broonie@linaro.org>
2014-08-16 16:52:01 -05:00
James Ban
005547e082 regulator: da9211: support DA9213
This is a patch for supporting DA9213.

Signed-off-by: James Ban <james.ban.opensource@diasemi.com>
Signed-off-by: Mark Brown <broonie@linaro.org>
2014-08-16 16:46:22 -05:00
Mark Brown
f71f26274d Merge remote-tracking branches 'regulator/topic/s2mps11', 'regulator/topic/s2mpu02', 'regulator/topic/s5m8767' and 'regulator/topic/tps65090' into regulator-next 2014-08-05 18:29:27 +01:00
Axel Lin
cad35c3f46 regulator: s2mps11: Update module description and Kconfig to add S2MPU02 support
This driver also supports S2MPU02 now, thus update module description and
Kconfig accordingly.

Signed-off-by: Axel Lin <axel.lin@ingics.com>
Signed-off-by: Mark Brown <broonie@linaro.org>
2014-07-25 18:53:23 +01:00
James Ban
1028a37daa regulator: da9211: new regulator driver
This is the driver for the Dialog DA9211 Multi-phase 12A DC-DC Buck
Converter regulator. It communicates via an I2C bus to the device.

Signed-off-by: James Ban <james.ban.opensource@diasemi.com>
Signed-off-by: Mark Brown <broonie@linaro.org>
2014-07-14 19:15:56 +01:00
Linus Torvalds
312c76f1a3 regulator: Updates for v3.16
The bulk of the changes for this release are a few new drivers however
 there are a couple of noticable core changes and the usual stream of
 cleanups and fixes:
 
  - Move disable of unused regulators later in init so it comes after
    deferred probe has iterated making startup smoother.
  - Fixes reference counting of the DT nodes for constraints from Charles
    Keepax.  This has little practical impact since all real users of
    the regulator bindings use FDT which doesn't need the reference
    counting.
  - Lots of cleanups, especially to the Samsung drivers.
  - Support for Linear Technologies LTC3589, Texas Instruments TPS658640
    and X-Powers AXP20x.
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Merge tag 'regulator-v3.16' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/regulator into next

Pull regulator updates from Mark Brown:
 "The bulk of the changes for this release are a few new drivers however
  there are a couple of noticable core changes and the usual stream of
  cleanups and fixes:

   - move disable of unused regulators later in init so it comes after
     deferred probe has iterated making startup smoother.
   - fixes to reference counting of the DT nodes for constraints from
     Charles Keepax.  This has little practical impact since all real
     users of the regulator bindings use FDT which doesn't need the
     reference counting.
   - lots of cleanups, especially to the Samsung drivers.
   - support for Linear Technologies LTC3589, Texas Instruments
     TPS658640 and X-Powers AXP20x"

* tag 'regulator-v3.16' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/regulator: (64 commits)
  regulator: pbias: remove unnecessary OOM messages
  regulator: max8649: remove unnecessary OOM messages
  regulator: core: Fix the init of DT defined fixed regulators
  regulator: core: Disable unused regulators after deferred probing is done
  regulator: Don't disable unused regulators we don't have permission for
  regulator: axp20x: Use regulator_map_voltage_ascend for LDO4
  regulator: use of_property_read_{bool|u32}()
  regulator: Fix regulator_get_{optional,exclusive}() documentation
  regulators: Add definition of regulator_set_voltage_time() for !CONFIG_REGULATOR
  regulator: arizona-ldo1: add missing #include
  regulator: pfuze100: Support enable/disable for fixed regulator
  regulator: ltc3589: Remove ltc3589_list_voltage_fixed function
  regulator: ltc3589: Fix module dependency
  regulator: tps6586x: Remove unused to_tps6586x_dev() function
  regulator: tps65218: Convert to use regulator_set_voltage_time_sel
  regulator: tps6586x: Add support for the TPS658640
  regulator: tps6586x: Prepare supporting fixed regulators
  regulator: pfuze100: Don't allocate an invalid gpio
  regulator: pfuze100: Support SWB enable/disable
  regulator: fixed: use of_property_read_{bool|u32}()
  ...
2014-06-03 11:44:48 -07:00
Mark Brown
2c7a6a3547 Merge remote-tracking branches 'regulator/topic/fixed', 'regulator/topic/id-const', 'regulator/topic/ltc3589', 'regulator/topic/max8649' and 'regulator/topic/of' into regulator-next 2014-06-02 17:08:05 +01:00
Axel Lin
ac1d686846 regulator: ltc3589: Fix module dependency
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>
2014-05-27 12:06:32 +01:00
Philipp Zabel
3eb2c7ecb7 regulator: Add LTC3589 support
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>
2014-05-26 15:54:57 +01:00
Krzysztof Kozlowski
8a82b408ac regulator: max14577: Add support for MAX77836 regulators
Add support for MAX77836 chipset and its additional two LDO regulators.
These LDO regulators are controlled by the PMIC block with additional
regmap (different I2C slave address).

The MAX77836 charger and safeout regulators are almost identical to
MAX14577. The registers layout is the same, except values for charger's
current. The patch adds simple mapping between device type and supported
current by the charger regulator.

Signed-off-by: Krzysztof Kozlowski <k.kozlowski@samsung.com>
Reviewed-by: Mark Brown <broonie@linaro.org>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
2014-04-23 14:09:45 +01:00
Carlo Caione
dfe7a1b058 regulator: AXP20x: Add support for regulators subsystem
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>
2014-04-14 17:00:34 +01:00
Linus Torvalds
97e18dc007 MMC highlights for 3.15:
Core:
  - CONFIG_MMC_UNSAFE_RESUME=y is now default behavior.
  - DT bindings for SDHCI UHS, eMMC HS200, high-speed DDR, at 1.8/1.2V.
  - Add GPIO descriptor based slot-gpio card detect API.
 
 Drivers:
  - dw_mmc: Refactor SOCFPGA support as a variant inside dw_mmc-pltfm.c.
  - mmci: Support HW busy detection on ux500.
  - omap: Support MMC_ERASE.
  - omap_hsmmc: Support MMC_PM_KEEP_POWER, MMC_PM_WAKE_SDIO_IRQ, (a)cmd23.
  - rtsx: Support pre-req/post-req async.
  - sdhci: Add support for Realtek RTS5250 controllers.
  - sdhci-acpi: Add support for 80860F16, fix 80860F14/SDIO card detect.
  - sdhci-msm: Add new driver for Qualcomm SDHCI chipset support.
  - sdhci-pxav3: Add support for Marvell Armada 380 and 385 SoCs.
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Merge tag 'mmc-updates-for-3.15-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/cjb/mmc

Pull MMC updates from Chris Ball:
 "MMC highlights for 3.15:

  Core:
   - CONFIG_MMC_UNSAFE_RESUME=y is now default behavior
   - DT bindings for SDHCI UHS, eMMC HS200, high-speed DDR, at 1.8/1.2V
   - Add GPIO descriptor based slot-gpio card detect API

  Drivers:
   - dw_mmc: Refactor SOCFPGA support as a variant inside dw_mmc-pltfm.c
   - mmci: Support HW busy detection on ux500
   - omap: Support MMC_ERASE
   - omap_hsmmc: Support MMC_PM_KEEP_POWER, MMC_PM_WAKE_SDIO_IRQ, (a)cmd23
   - rtsx: Support pre-req/post-req async
   - sdhci: Add support for Realtek RTS5250 controllers
   - sdhci-acpi: Add support for 80860F16, fix 80860F14/SDIO card detect
   - sdhci-msm: Add new driver for Qualcomm SDHCI chipset support
   - sdhci-pxav3: Add support for Marvell Armada 380 and 385 SoCs"

* tag 'mmc-updates-for-3.15-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/cjb/mmc: (102 commits)
  mmc: sdhci-acpi: Intel SDIO has broken card detect
  mmc: sdhci-pxav3: add support for the Armada 38x SDHCI controller
  mmc: sdhci-msm: Add platform_execute_tuning implementation
  mmc: sdhci-msm: Initial support for Qualcomm chipsets
  mmc: sdhci-msm: Qualcomm SDHCI binding documentation
  sdhci: only reprogram retuning timer when flag is set
  mmc: rename ARCH_BCM to ARCH_BCM_MOBILE
  mmc: sdhci: Allow for irq being shared
  mmc: sdhci-acpi: Add device id 80860F16
  mmc: sdhci-acpi: Fix broken card detect for ACPI HID 80860F14
  mmc: slot-gpio: Add GPIO descriptor based CD GPIO API
  mmc: slot-gpio: Split out CD IRQ request into a separate function
  mmc: slot-gpio: Record GPIO descriptors instead of GPIO numbers
  Revert "dts: socfpga: Add support for SD/MMC on the SOCFPGA platform"
  mmc: sdhci-spear: use generic card detection gpio support
  mmc: sdhci-spear: remove support for power gpio
  mmc: sdhci-spear: simplify resource handling
  mmc: sdhci-spear: fix platform_data usage
  mmc: sdhci-spear: fix error handling paths for DT
  mmc: sdhci-bcm-kona: fix build errors when built-in
  ...
2014-04-09 08:39:39 -07:00
Mark Brown
5481b348e8 Merge remote-tracking branches 'regulator/topic/tps65218', 'regulator/topic/tps6524x', 'regulator/topic/tps6586x', 'regulator/topic/tps65910', 'regulator/topic/tps80031', 'regulator/topic/wm831x', 'regulator/topic/wm8350' and 'regulator/topic/wm8994' into regulator-next 2014-03-26 16:58:25 +00:00
Mark Brown
24ee65e4a5 Merge remote-tracking branches 'regulator/topic/s5m8767', 'regulator/topic/st-pwm', 'regulator/topic/ti-abb', 'regulator/topic/tps51632', 'regulator/topic/tps62360', 'regulator/topic/tps6507x', 'regulator/topic/tps65090' and 'regulator/topic/tps65217' into regulator-next 2014-03-26 16:58:18 +00:00
Mark Brown
7b836485d4 Merge remote-tracking branches 'regulator/topic/max8973', 'regulator/topic/max8997', 'regulator/topic/max8998', 'regulator/topic/mc13xxx', 'regulator/topic/pfuze100', 'regulator/topic/rc5t583' and 'regulator/topic/s2mps11' into regulator-next 2014-03-26 16:58:11 +00:00
Lee Jones
4a5d301328 regulator: Add new driver for ST's PWM controlled voltage regulators
On some STMicroelectronics hardware reside regulators consisting
partly of a PWM input connected to the feedback loop. As the PWM
duty-cycle is varied the output voltage adapts. This driver
allows us to vary the output voltage by adapting the PWM input
duty-cycle.

Signed-off-by: Lee Jones <lee.jones@linaro.org>
Signed-off-by: Mark Brown <broonie@linaro.org>
2014-03-21 18:20:04 +00:00
Krzysztof Kozlowski
15f77300c9 regulator: s2mps11: Add support for S2MPS14 regulators
Add support for S2MPS14 PMIC regulators to s2mps11 driver. The S2MPS14
has fewer BUCK-s and LDO-s than S2MPS11. It also does not support
controlling the BUCK ramp delay.

Signed-off-by: Krzysztof Kozlowski <k.kozlowski@samsung.com>
Cc: Mark Brown <broonie@kernel.org>
Cc: Liam Girdwood <lgirdwood@gmail.com>
Reviewed-by: Yadwinder Singh Brar <yadi.brar@samsung.com>
Signed-off-by: Mark Brown <broonie@linaro.org>
2014-03-19 13:02:51 +00:00
Sachin Kamat
f187927146 regulator: Add support for S2MPA01 regulator
Add support for S2MPA01 voltage and current regulator.

Signed-off-by: Sachin Kamat <sachin.kamat@linaro.org>
Acked-by: Mark Brown <broonie@linaro.org>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
2014-03-18 10:56:30 +00:00
Matt Porter
462c9fc5cb regulator: add bcm590xx regulator driver
Add a regulator driver for the BCM590xx PMU voltage regulators.
The driver supports LDOs and DCDCs in normal mode only. There is
no support for low-power mode or power sequencing.

Signed-off-by: Matt Porter <mporter@linaro.org>
Reviewed-by: Tim Kryger <tim.kryger@linaro.org>
Reviewed-by: Markus Mayer <markus.mayer@linaro.org>
Signed-off-by: Mark Brown <broonie@linaro.org>
2014-03-11 18:51:42 +00:00
Axel Lin
2cee2121db regulator: pfuze100: Add PFUZE200 support to Kconfig and module description
Signed-off-by: Axel Lin <axel.lin@ingics.com>
Acked-by: Robin Gong <b38343@freescale.com>
Signed-off-by: Mark Brown <broonie@linaro.org>
2014-03-06 12:26:21 +08:00
Balaji T K
11469e0bb1 regulator: add pbias regulator support
pbias register controls internal power supply to sd card i/o pads
in most OMAPs (OMAP2-5, DRA7).
Control bits for selecting voltage level and
enabling/disabling are in the same PBIAS register.

Signed-off-by: Balaji T K <balajitk@ti.com>
Acked-by: Tony Lindgren <tony@atomide.com>
Acked-by: Mark Brown <broonie@linaro.org>
Tested-by: Florian Vaussard <florian.vaussard@epfl.ch>
Tested-by: Stefan Roese <sr@denx.de>
Signed-off-by: Chris Ball <chris@printf.net>
2014-03-04 11:44:47 -05:00
Axel Lin
948838a10a regulator: tps65218: Add OF dependency
This is a DT-only driver, so make it depend on OF and remove of_match_ptr in
the code.

Signed-off-by: Axel Lin <axel.lin@ingics.com>
Acked-by: Keerthy <j-keerthy@ti.com>
Signed-off-by: Mark Brown <broonie@linaro.org>
2014-02-19 21:18:58 +09:00
Keerthy
90e7d52627 regulator: tps65218: Add Regulator driver for TPS65218 PMIC
This patch adds support for TPS65218 PMIC regulators.

The regulators set consists of 6 DCDCs and 1 LDO. The output
voltages are configurable and are meant to supply power to the
main processor and other components.

Signed-off-by: Keerthy <j-keerthy@ti.com>
Signed-off-by: Mark Brown <broonie@linaro.org>
2014-02-14 20:20:35 +00:00
Linus Torvalds
15333539a9 regulator: Updates for v3.14
A respin of the merges in the previous pull request with one extra fix.
 A quiet release for the regulator API, quite a large number of small
 improvements all over but other than the addition of new drivers for the
 AS3722 and MAX14577 there is nothing of substantial non-local impact.
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Merge tag 'regulator-v3.14-2' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/regulator

Pull regulator updates from Mark Brown:
 "A respin of the merges in the previous pull request with one extra
  fix.

  A quiet release for the regulator API, quite a large number of small
  improvements all over but other than the addition of new drivers for
  the AS3722 and MAX14577 there is nothing of substantial non-local
  impact"

* tag 'regulator-v3.14-2' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/regulator: (47 commits)
  regulator: pfuze100-regulator: Improve dev_info() message
  regulator: pfuze100-regulator: Fix some checkpatch complaints
  regulator: twl: Fix checkpatch issue
  regulator: core: Fix checkpatch issue
  regulator: anatop-regulator: Remove unneeded memset()
  regulator: s5m8767: Update LDO index in s5m8767-regulator.txt
  regulator: as3722: set enable time for SD0/1/6
  regulator: as3722: detect SD0 low-voltage mode
  regulator: tps62360: Fix up a pointer-integer size mismatch warning
  regulator: anatop-regulator: Remove unneeded kstrdup()
  regulator: act8865: Fix build error when !OF
  regulator: act8865: register all regulators regardless of how many are used
  regulator: wm831x-dcdc: Remove unneeded 'err' label
  regulator: anatop-regulator: Add MODULE_ALIAS()
  regulator: act8865: fix incorrect devm_kzalloc for act8865
  regulator: act8865: Remove set_suspend_[en|dis]able implementation
  regulator: act8865: Remove unneeded regulator_unregister() calls
  regulator: s2mps11: Clean up redundant code
  regulator: tps65910: Simplify setting enable_mask for regulators
  regulator: act8865: add device tree binding doc
  ...
2014-01-25 13:19:10 -08:00
Mark Brown
a2a2be6309 Merge remote-tracking branches 'regulator/topic/db8500', 'regulator/topic/gpio', 'regulator/topic/lp3971', 'regulator/topic/lp3972', 'regulator/topic/max14577', 'regulator/topic/max77693', 'regulator/topic/mc13892', 'regulator/topic/pcf50633' and 'regulator/topic/pfuze100' into regulator-linus 2014-01-23 12:01:27 +00:00
Alexander Shiyan
e5a3da2143 mfd: mc13xxx: Remove useless symbol MFD_MC13783
Symbol MFD_MC13783 always selected by MFD_MC13XXX, so no need
to keep additional symbol.

Signed-off-by: Alexander Shiyan <shc_work@mail.ru>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
2014-01-21 08:28:09 +00:00
Wenyou Yang
33036f48d1 regulator: act8865: add PMIC act8865 driver
Signed-off-by: Wenyou Yang <wenyou.yang@atmel.com>
Signed-off-by: Mark Brown <broonie@linaro.org>
2013-12-24 13:47:40 +00:00
Fabio Estevam
1eb72f0b98 regulator: pfuze100: Improve PFUZE100 entry text
Make PFUZE100 entry consistent with other Freescale PMIC entries, so that now
we can have:

	<*>   Freescale MC13783 regulator driver
	<*>   Freescale MC13892 regulator driver
	<*>   Freescale PFUZE100 regulator driver

Signed-off-by: Fabio Estevam <fabio.estevam@freescale.com>
Acked-by: Robin Gong <yibin.gong@freescale.com>
Signed-off-by: Mark Brown <broonie@linaro.org>
2013-12-24 12:47:59 +00:00
Krzysztof Kozlowski
b0902bbeb7 regulator: max14577: Add regulator driver for Maxim 14577
MAX14577 chip is a multi-function device which includes MUIC,
charger and voltage regulator. The driver is located in drivers/mfd.

This patch adds regulator driver for MAX14577 chip. There are two
regulators in this chip:
1. Safeout LDO with constant voltage output of 4.9V. It can be only
   enabled or disabled.
2. Current regulator for the charger. It provides current from 90mA up
   to 950mA.
Driver supports Device Tree.

Signed-off-by: Krzysztof Kozlowski <k.kozlowski@samsung.com>
Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
Signed-off-by: Mark Brown <broonie@linaro.org>
2013-12-18 19:23:28 +00:00
Mark Brown
aa11a358f8 Merge remote-tracking branch 'regulator/topic/stw481x' into regulator-next 2013-10-24 11:11:40 +01:00
Mark Brown
aef393da75 Merge remote-tracking branch 'regulator/topic/optional' into regulator-next 2013-10-24 11:11:39 +01:00
Laxman Dewangan
bc407334e9 regulator: as3722: add regulator driver for AMS AS3722
The AMS AS3722 is a compact system PMU suitable for mobile phones,
tablets etc. It has 4 DCDC step down regulators, 3 DCDC step down
controller, 11 LDOs.

Add a driver to support accessing the DCDC/LDOs found on the AMS
AS3722 PMIC using regulators.

Signed-off-by: Laxman Dewangan <ldewangan@nvidia.com>
Signed-off-by: Florian Lobmaier <florian.lobmaier@ams.com>
Signed-off-by: Mark Brown <broonie@linaro.org>
2013-09-20 18:08:00 +01:00
Linus Walleij
3615a34ea1 regulator: add STw481x VMMC driver
The ST Microelectronics STw481x PMIC used for the Nomadik
has one single software-controlled regulator for VMMC.
This driver registers directly to the compatible string
as there is just one regulator.

Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Mark Brown <broonie@linaro.org>
2013-09-17 00:45:57 +01:00
Mark Brown
4ddfebd3b0 regulator: core: Provide a dummy regulator with full constraints
When a system has said that it has fully specified constraints for its
regulators it is still possible that some supplies may be missing,
especially if regulator support has been added to a driver after the
board was integrated. We can handle such situations more gracefully by
providing a dummy regulator.

Unless the caller has specifically indicated that the system design may
not include a given regulator by using regulator_get_optional() or that
it needs its interactions to have an effect using regulator_get_exclusive()
provide a dummy regulator if we can't locate a real one.

The kconfig option REGULATOR_DUMMY that provided similar behaviour for all
regulators has been removed, systems that need it should flag that they
have full constraints instead.

Signed-off-by: Mark Brown <broonie@linaro.org>
2013-09-17 00:30:25 +01:00
Mark Brown
09f2dd88ff Merge remote-tracking branch 'regulator/topic/pfuze100' into regulator-next 2013-09-01 13:50:18 +01:00
Mark Brown
099c606224 Merge remote-tracking branch 'regulator/topic/kconfig' into regulator-next 2013-09-01 13:50:11 +01:00
Mark Brown
62696579a0 Merge remote-tracking branch 'regulator/topic/da9063' into regulator-next 2013-09-01 13:50:07 +01:00