Commit Graph

38 Commits

Author SHA1 Message Date
Linus Walleij a0a7014cd4 regulator: ab8500: provide per-regulator shift
This encodes the voltage shifts (the number of bits to shift
the register to get to the selector) into the regulator info.
We have several new variants of the AB8500 so this varies a
lot.

Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
2012-08-28 11:00:30 -07:00
Axel Lin 0d3fb582dc regulator: ab8500: Remove get_voltage implementation for ab8500_regulator_fixed_ops
This is not required after commit f7df20ec
"regulator: core: Use list_voltage() to read single voltage regulators"

Signed-off-by: Axel Lin <axel.lin@gmail.com>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
2012-08-28 11:00:27 -07:00
Axel Lin 7fee2afb53 regulator: ab8500: Set enable enable_time in regulator_desc
Signed-off-by: Axel Lin <axel.lin@gmail.com>
Acked-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
2012-08-28 11:00:25 -07:00
Linus Torvalds 3e701cdfe6 MFD bits for the 3.6 merge window.
We have support for a few new drivers:
 - Samsung s2mps11
 - Wolfson Microelectronics wm5102 and wm5110
 - Marvell 88PM800 and 88PM805
 - TI twl6041
 
 We also have our regular driver improvements:
 - Device tree and IRQ domain support for STE AB8500
 - Regmap and devm_* API conversion for TI tps6586x
 - Device tree support for Samsung max77686
 - devm_* API conversion for STE AB3100
 
 Besides that, quite a lot of fixing and cleanup for mc13xxx, tps65910,
 tps65090, da9052 and twl-core.
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Merge tag 'mfd-3.6-1' of git://git.kernel.org/pub/scm/linux/kernel/git/sameo/mfd-2.6

Pull MFD bits from Samuel Ortiz:
 "We have support for a few new drivers:
   - Samsung s2mps11
   - Wolfson Microelectronics wm5102 and wm5110
   - Marvell 88PM800 and 88PM805
   - TI twl6041

  We also have our regular driver improvements:
   - Device tree and IRQ domain support for STE AB8500
   - Regmap and devm_* API conversion for TI tps6586x
   - Device tree support for Samsung max77686
   - devm_* API conversion for STE AB3100

  Besides that, quite a lot of fixing and cleanup for mc13xxx, tps65910,
  tps65090, da9052 and twl-core."

Fix up mostly trivial conflicts, with the exception of
drivers/usb/host/ehci-omap.c in particular, which had some
re-organization of the reset sequence (commit 1a49e2ac9651: "EHCI:
centralize controller initialization") that clashed with commit
2761a63945 ("mfd: USB: Fix the omap-usb EHCI ULPI PHY reset fix
issues").

In particular, commit 2761a63945 moved the usb_add_hcd() to the
*middle* of the reset sequence, which clashes fairly badly with the
reset sequence re-organization (although it could have been done inside
the new omap_ehci_init() function).

I left that part of commit 2761a63945 just undone.

* tag 'mfd-3.6-1' of git://git.kernel.org/pub/scm/linux/kernel/git/sameo/mfd-2.6: (110 commits)
  mfd: Ensure AB8500 platform data is passed through db8500-prcmu to MFD Core
  mfd: Arizone core should select MFD_CORE
  mfd: Fix arizona-irq.c build by selecting REGMAP_IRQ
  mfd: Add debug trace on entering and leaving arizone runtime suspend
  mfd: Correct tps65090 cell names
  mfd: Remove gpio support from tps6586x core driver
  ARM: tegra: defconfig: Enable tps6586x gpio
  gpio: tps6586x: Add gpio support through platform driver
  mfd: Cache tps6586x register through regmap
  mfd: Use regmap for tps6586x register access.
  mfd: Use devm managed resources for tps6586x
  input: Add onkey support for 88PM80X PMIC
  mfd: Add support for twl6041
  mfd: Fix twl6040 revision information
  mfd: Matches should be NULL when populate anatop child devices
  input: ab8500-ponkey: Create AB8500 domain IRQ mapping
  mfd: Add missing out of memory check for pcf50633
  Documentation: Describe the AB8500 Device Tree bindings
  mfd: Add tps65910 32-kHz-crystal-input init
  mfd: Drop modifying mc13xxx driver's id_table in probe
  ...
2012-07-30 12:41:17 -07:00
Lee Jones bad76991d7 mfd: Register ab8500 devices using the newly DT:ed MFD API
Now the MFD API is Device Tree aware we can use it for platform
registration again, even when booting with DT enabled. To aid in
Device Node pointer allocation we provide each cell with the
associative compatible string.

Signed-off-by: Lee Jones <lee.jones@linaro.org>
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
2012-07-09 00:16:13 +02:00
Axel Lin 07b9e329f9 regulator: ab8500: Remove min_uV and max_uV from struct ab8500_regulator_info
The min_uV and max_uV are not really used in the code and misleading because
the min_uV and max_uV settings does not match the value in the voltage table.

For example, we have
static const unsigned int ldo_vaux3_voltages[] = {
        1200000,
        1500000,
        1800000,
        2100000,
        2500000,
        2750000,
        2790000,
        2910000,
};

With below min_uV/max_uV settings for AB8500_LDO_AUX3.
.min_uV                 = 1100000,
.max_uV                 = 3300000,

The min_uV/max_uV for AB8500_LDO_AUX3 seems copy-paste from AB8500_LDO_AUX2
and is wrong.

Signed-off-by: Axel Lin <axel.lin@gmail.com>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
2012-06-17 21:04:45 +01:00
Axel Lin 7142e2138b regulator: ab8500: Use regulator_list_voltage_linear for ab8500_regulator_fixed_ops
Also removes set_voltage_time_sel callback from ab8500_regulator_fixed_ops
because the voltage won't change. ( And ab8500_regulator_fixed_ops does not
implement get_voltage_sel so set_voltage_time_sel won't be called )

Signed-off-by: Axel Lin <axel.lin@gmail.com>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
2012-06-17 21:04:45 +01:00
Lee Jones f7f3f1ad9e regulator: Change ab8500 match names to reflect Device Tree
The 'name' field in 'struct of_regulator_match' expects to match with
its corresponding regulator device node in the Device Tree. This patch
renames each of the regulators in the ab8500 regulator driver so this
is true.

Signed-off-by: Lee Jones <lee.jones@linaro.org>
Acked-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
2012-06-17 18:27:47 +01:00
Lee Jones 7e715b954a regulator: Change ab8500 match names to reflect Device Tree
The 'name' field in 'struct of_regulator_match' expects to match with
its corresponding regulator device node in the Device Tree. This patch
renames each of the regulators in the ab8500 regulator driver so this
is true.

Signed-off-by: Lee Jones <lee.jones@linaro.org>
Acked-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
2012-06-03 13:25:06 +01:00
Axel Lin 6333e9ddf4 regulator: ab8500: Let regulator core handle the case no delay for setting new voltage if regulator is off
Signed-off-by: Axel Lin <axel.lin@gmail.com>
Acked-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
2012-06-03 13:25:03 +01:00
Axel Lin ec1cc4d9da regulator: ab8500: Use regulator_list_voltage_table()
Signed-off-by: Axel Lin <axel.lin@gmail.com>
Acked-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
2012-06-03 13:25:01 +01:00
Lee Jones 3a8334b948 regulator: Enable the ab8500 for Device Tree
Here we setup the ab8500 regulator driver for DT. We first do
this in the normal way, by providing a match structure during
initialisation, but then we provide information so that
whilst probing we can use existing data structures to do DT
look-ups.

Signed-off-by: Lee Jones <lee.jones@linaro.org>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
2012-05-18 08:37:25 +01:00
Lee Jones a7ac1d9e4e regulator: ab8500: Split up probe() into manageable pieces
ab8500's probe() function is becoming quite large, so in the lead
up to Device Tree enablement which will fork the thread of execution
this patch splits it into 3 main areas; basic error checking will
remain in probe(), but regulator register initialisation and regulator
registration have been moved to their own functions which will
be called in sequence by probe() and the DT equivalent.

Signed-off-by: Lee Jones <lee.jones@linaro.org>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
2012-05-18 08:36:45 +01:00
Mark Brown ac97c62071 regulator: Fix build of ab8500
Reported-by: Stephen Rothwell <sfr@canb.auug.org.au>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
2012-04-10 09:36:34 +01:00
Mark Brown c172708d38 regulator: core: Use a struct to pass in regulator runtime configuration
Rather than adding new arguments to regulator_register() every time we
want to add a new bit of dynamic information at runtime change the function
to take these via a struct. By doing this we avoid needing to do further
changes like the recent addition of device tree support which required each
regulator driver to be updated to take an additional parameter.

The regulator_desc which should (mostly) be static data is still passed
separately as most drivers are able to configure this statically at build
time.

Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
2012-04-09 12:37:09 +01:00
Axel Lin ae713d394d regulator: Convert ab8500 to set_voltage_sel
Convert ab8500 to set_voltage_sel and then we can remove
ab8500_get_best_voltage_index function.

Signed-off-by: Axel Lin <axel.lin@gmail.com>
Tested-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
2012-04-01 11:59:23 +01:00
Axel Lin 3bf6e90e47 regulator: Convert ab8499 to use get_voltage_sel()
This change is required to make ab8500_regulator_get_voltage_sel work.
The regulator core will call set_voltage_time_sel only when get_voltage_sel is
implemented.

Signed-off-by: Axel Lin <axel.lin@gmail.com>
Tested-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
2012-03-11 20:48:43 +00:00
Linus Torvalds 21ebd6c68b Merge branch 'for-next' of git://git.kernel.org/pub/scm/linux/kernel/git/sameo/mfd-2.6
* 'for-next' of git://git.kernel.org/pub/scm/linux/kernel/git/sameo/mfd-2.6: (59 commits)
  rtc: max8925: Add function to work as wakeup source
  mfd: Add pm ops to max8925
  mfd: Convert aat2870 to dev_pm_ops
  mfd: Still check other interrupts if we get a wm831x touchscreen IRQ
  mfd: Introduce missing kfree in 88pm860x probe routine
  mfd: Add S5M series configuration
  mfd: Add s5m series irq driver
  mfd: Add S5M core driver
  mfd: Improve mc13xxx dt binding document
  mfd: Fix stmpe section mismatch
  mfd: Fix stmpe build warning
  mfd: Fix STMPE I2c build failure
  mfd: Constify aat2870-core i2c_device_id table
  gpio: Add support for stmpe variant 801
  mfd: Add support for stmpe variant 801
  mfd: Add support for stmpe variant 610
  mfd: Add support for STMPE SPI interface
  mfd: Separate out STMPE controller and interface specific code
  misc: Remove max8997-muic sysfs attributes
  mfd: Remove unused wm831x_irq_data_to_mask_reg()
  ...

Fix up trivial conflict in drivers/leds/Kconfig due to addition of
LEDS_MAX8997 and LEDS_TCA6507 next to each other.
2012-01-13 20:43:32 -08:00
Linus Walleij ee66e653ca mfd: Unify abx500 headers in mfd/abx500
This moves all the header files related to the abx500 family into
a common include directory below mfd. From now on we place any
subchip header in that directory. Headers previously in e.g.
<linux/mfd/ab8500/gpio.h> get prefixed and are now e.g.
<linux/mfd/abx500/ab8500-gpio.h>. The top-level abstract interface
remains in <linux/mfd/abx500.h>.

Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
2012-01-09 00:37:39 +01:00
Rajendra Nayak 2c043bcbf2 regulator: pass additional of_node to regulator_register()
With device tree support for regulators, its needed that the
regulator_dev->dev device has the right of_node attached.
To be able to do this add an additional parameter to the
regulator_register() api, wherein the dt-adapted driver can
then pass this additional info onto the regulator core.

Signed-off-by: Rajendra Nayak <rnayak@ti.com>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
2011-11-23 18:47:04 +00:00
Paul Gortmaker 65602c32ee regulator: Add module.h to drivers/regulator users as required
Another group of drivers that are taking advantage of the implicit
presence of module.h -- and will break when we pull the carpet out
from under them during a cleanup.  Fix 'em now.

Signed-off-by: Paul Gortmaker <paul.gortmaker@windriver.com>
2011-10-31 19:32:15 -04:00
Linus Walleij 42ab616afe regulator: add ab8500 enable and raise time delays
This uses the new infrastructure to provide proper delays when
enabling or setting the voltage of one specific regulator.

Cc: Bengt Jonsson <bengt.g.jonsson@stericsson.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Acked-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Signed-off-by: Liam Girdwood <lrg@slimlogic.co.uk>
2011-03-26 14:15:06 +00:00
Bengt Jonsson 79568b9412 regulator: initialization for ab8500 regulators
The regulators on the AB8500 have a lot of custom
hardware control settings pertaining to 8 external
signals, settings which are board-specific and need
be provided from the platform at startup.

Initialization added for regulators Vana, VextSupply1,
VextSupply2, VextSupply3, Vaux1, Vaux2, Vaux3, VTVout,
Vintcore12, Vaudio, Vdmic, Vamic1, Vamic2, VrefDDR.

Signed-off-by: Bengt Jonsson <bengt.g.jonsson@stericsson.com>
Reviewed-by: Rickard Andersson <rickard.andersson@stericsson.com>
Reviewed-by: Jonas Aberg <jonas.aberg@stericsson.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Acked-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Signed-off-by: Liam Girdwood <lrg@slimlogic.co.uk>
2011-03-26 14:15:05 +00:00
Bengt Jonsson ea05ef31f2 regulator: add support for USB voltage regulator
Signed-off-by: Bengt Jonsson <bengt.g.jonsson@stericsson.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Acked-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Signed-off-by: Liam Girdwood <lrg@slimlogic.co.uk>
2011-03-26 14:15:05 +00:00
Bengt Jonsson 6909b4522e regulators: Removed macros for initialization of ab8500 regulators
This patch removes the macros for initializing the regulators.
The purpose is to remove one layer of abstraction and make the
code easier to read.

Signed-off-by: Bengt Jonsson <bengt.g.jonsson@stericsson.com>
Acked-by: Linus Walleij <linus.walleij@stericsson.com>
Acked-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Signed-off-by: Liam Girdwood <lrg@slimlogic.co.uk>
2011-01-12 14:33:03 +00:00
Bengt Jonsson 09aefa12ac regulators: Added verbose debug messages to ab8500 regulators
The verbose debug outputs register writes and reads that can be
used to debug the driver.

Signed-off-by: Bengt Jonsson <bengt.g.jonsson@stericsson.com>
Acked-by: Linus Walleij <linus.walleij@stericsson.com>
Acked-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Signed-off-by: Liam Girdwood <lrg@slimlogic.co.uk>
2011-01-12 14:33:03 +00:00
Bengt Jonsson fc24b426ff regulators: Modified ab8500 error handling
Error handling is updated to catch NULL pointer errors.

Signed-off-by: Bengt Jonsson <bengt.g.jonsson@stericsson.com>
Acked-by: Linus Walleij <linus.walleij@stericsson.com>
Acked-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Signed-off-by: Liam Girdwood <lrg@slimlogic.co.uk>
2011-01-12 14:33:02 +00:00
Bengt Jonsson e1159e6d9a regulators: Updated ab8500 variable names, macro names and comments
The regulator enumeration is used for putting the regulator data
in correct place in the info array. This should be matched in the
board configuration.

Variable names are updated to be more consistent, comments are
corrected and macros have been edited to be consistent.

Signed-off-by: Bengt Jonsson <bengt.g.jonsson@stericsson.com>
Acked-by: Linus Walleij <linus.walleij@stericsson.com>
Acked-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Signed-off-by: Liam Girdwood <lrg@slimlogic.co.uk>
2011-01-12 14:33:02 +00:00
Bengt Jonsson 2b75151a10 regulators: Added ab8500 v2 support
The AUX3 regulator voltage setting is changed in ab8500 v2 compared
to ab8500 v1. This patch adds v2 support while keeping support for
v1.

Signed-off-by: Bengt Jonsson <bengt.g.jonsson@stericsson.com>
Acked-by: Linus Walleij <linus.walleij@stericsson.com>
Acked-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Signed-off-by: Liam Girdwood <lrg@slimlogic.co.uk>
2011-01-12 14:33:02 +00:00
Bengt Jonsson deaca1ee82 regulators: Clean out unused code in ab8500 regulators
The find_regulator function was unused so it has been removed. The
ab8500 pointer in the regulator info structure was unused and so it
has also been removed.

Signed-off-by: Bengt Jonsson <bengt.g.jonsson@stericsson.com>
Acked-by: Linus Walleij <linus.walleij@stericsson.com>
Acked-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Signed-off-by: Liam Girdwood <lrg@slimlogic.co.uk>
2011-01-12 14:33:02 +00:00
Bengt Jonsson 65e03ed2d0 regulators: Fixed errors in ab8500 register mapping
For INTCORE and TVOUT regulators, the low power register bit is
included in the mask so that enable will set the regulator in
normal (high power) mode.

ANAMIC1, ANAMIC2, DMIC regulator settings are swapped with each
other so that the correct regulator gets enabled/disabled.

ANA regulator register address is corrected.

Signed-off-by: Bengt Jonsson <bengt.g.jonsson@stericsson.com>
Acked-by: Linus Walleij <linus.walleij@stericsson.com>
Acked-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Signed-off-by: Liam Girdwood <lrg@slimlogic.co.uk>
2011-01-12 14:33:02 +00:00
Bengt Jonsson cb189b07d5 regulators: Moved define for number of regulators in ab8500
The define for number of regulators is moved from ab8500-core to
ab8500-regulator so that the regulator driver can be updated
independently of ab8500-core. This also changes the platform
configuration structure of ab8500-core so that it contains a
pointer to the regulator_init_data array plus number of
regulators instead of an fixed size array of pointers to
regulator_init_data.

Signed-off-by: Bengt Jonsson <bengt.g.jonsson@stericsson.com>
Acked-by: Linus Walleij <linus.walleij@stericsson.com>
Acked-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Signed-off-by: Liam Girdwood <lrg@slimlogic.co.uk>
2011-01-12 14:33:02 +00:00
Mark Brown 3a93f2a9f4 regulator: Report actual configured voltage to set_voltage()
Change the interface used by set_voltage() to report the selected value
to the regulator core in terms of a selector used by list_voltage().
This allows the regulator core to know the voltage that was chosen
without having to do an explict get_voltage(), which would be much more
expensive as it will generally access hardware.

Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Signed-off-by: Liam Girdwood <lrg@slimlogic.co.uk>
2011-01-12 14:32:59 +00:00
Mattias Wallin 47c1697508 mfd: Align ab8500 with the abx500 interface
This patch makes the ab8500 mixed signal chip expose the same
interface for register access as the ab3100, ab3550 and ab5500 chip.
The ab8500_read() and ab8500_write() is removed and replaced with
abx500_get_register_interruptible() and
abx500_set_register_interruptible().

Signed-off-by: Mattias Wallin <mattias.wallin@stericsson.com>
Acked-by: Linus Walleij <linus.walleij@stericsson.com>
Acked-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
2010-10-29 00:29:19 +02:00
Axel Lin 49990e6efe regulator: ab8500 - fix off-by-one value range checking for selector
selector is used as array index of info->supported_voltages
Thus the valid value range should be 0 .. info->voltages_len -1

Signed-off-by: Axel Lin <axel.lin@gmail.com>
Acked-by: Mark Brown <broonie@openource.wolfsonmicro.com>
Signed-off-by: Liam Girdwood <lrg@slimlogic.co.uk>
2010-09-05 11:15:52 +01:00
Axel Lin d4876a3bc0 regulator: ab8500 - fix the logic to remove already registered regulators in error path
In current implementation, ab8500_regulator_info[0].regulator is not
unregistered if the error happen at i > 0.

This patch fixes the resource leak and also improves the readability.

Signed-off-by: Axel Lin <axel.lin@gmail.com>
Acked-by: Linus Walleij <linus.walleij@stericsson.com>
Acked-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Signed-off-by: Liam Girdwood <lrg@slimlogic.co.uk>
2010-09-01 12:59:33 +01:00
Dan Carpenter af54decd6a regulator/ab8500: move dereference below the check for NULL
I moved the dereference of "ab8500" below the check for NULL.

Signed-off-by: Dan Carpenter <error27@gmail.com>
Acked-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Signed-off-by: Liam Girdwood <lrg@slimlogic.co.uk>
2010-09-01 12:59:33 +01:00
Sundar R IYER c789ca202c regulator: add support for regulators on the ab8500 MFD
Hi Mark,
> I think that's everything.
Please find the updated patch set as below.

>From f4bf7eec4d210db5075c0bce4521d9be6bc76c8c Mon Sep 17 00:00:00 2001
From: Sundar R Iyer <sundar.iyer@stericsson.com>
Date: Sun, 6 Jun 2010 19:12:12 +0530
Subject: [PATCH v3 1/2] regulator: add support for regulators on the ab8500 MFD

Acked-by: Linus Walleij <linus.walleij@stericsson.com>
Acked-by: Bengt JONSSON <bengt.g.jonsson@stericsson.com>
Signed-off-by: Sundar R Iyer <sundar.iyer@stericsson.com>
Acked-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Signed-off-by: Liam Girdwood <lrg@slimlogic.co.uk>
2010-08-11 11:38:01 +01:00