Commit Graph

1341 Commits

Author SHA1 Message Date
Linus Torvalds
d15d76448b regulator: Updates for 3.4
This has been a fairly quiet release from a regulator point of view, the
 only real framework features added were devm support and a convenience
 helper for setting up fixed voltage regulators.
 
 We also added a couple of drivers (but will drop the BQ240022 driver via
 the arm-soc tree as it's been replaced by the more generic
 gpio-regulator driver) and Axel Lin continued his relentless and
 generally awesome stream of fixes and cleanups.
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Merge tag 'regulator-3.4' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/regulator

Pull regulator updates for 3.4 from Mark Brown:
 "This has been a fairly quiet release from a regulator point of view,
  the only real framework features added were devm support and a
  convenience helper for setting up fixed voltage regulators.

  We also added a couple of drivers (but will drop the BQ240022 driver
  via the arm-soc tree as it's been replaced by the more generic
  gpio-regulator driver) and Axel Lin continued his relentless and
  generally awesome stream of fixes and cleanups."

* tag 'regulator-3.4' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/regulator: (93 commits)
  regulator: Fix up a confusing dev_warn when DT lookup fails
  regulator: Convert tps6507x to set_voltage_sel
  regulator: Refactor tps6507x to use one tps6507x_pmic_ops for all LDOs and DCDCs
  regulator: Make s5m8767_get_voltage_register always return correct register
  regulator: s5m8767: Check pdata->buck[2|3|4]_gpiodvs earlier
  regulator: tps65910: Provide settling time for DCDC voltage change
  regulator: Add Anatop regulator driver
  regulator: Simplify implementation of tps65912_get_voltage_dcdc
  regulator: Use tps65912_set_voltage_sel for both DCDCx and LDOx
  regulator: tps65910: Provide settling time for enabling rails
  regulator: max8925: Use DIV_ROUND_UP macro
  regulator: tps65912: Use simple equations to get register address
  regulator: Fix the logic of tps65910_get_mode
  regulator: Merge tps65217_pmic_ldo234_ops and tps65217_pmic_dcdc_ops to tps65217_pmic_ops
  regulator: Use DIV_ROUND_CLOSEST in wm8350_isink_get_current
  regulator: Use array to store dcdc_range settings for tps65912
  regulator: Rename s5m8767_convert_voltage to s5m8767_convert_voltage_to_sel
  regulator: tps6524x: Remove unneeded comment for N_REGULATORS
  regulator: Rename set_voltage_sel callback function name to *_sel
  regulator: Fix s5m8767_set_voltage_time_sel calculation value
  ...
2012-03-21 10:34:56 -07:00
Linus Torvalds
c207f3a431 Generialize powerpc's irq_host as irq_domain
This branch takes the PowerPC irq_host infrastructure (reverse mapping
 from Linux IRQ numbers to hardware irq numbering), generalizes it,
 renames it to irq_domain, and makes it available to all architectures.
 
 Originally the plan has been to create an all-new irq_domain
 implementation which addresses some of the powerpc shortcomings such
 as not handling 1:1 mappings well, but doing that proved to be far
 more difficult and invasive than generalizing the working code and
 refactoring it in-place.  So, this branch rips out the 'new'
 irq_domain and replaces it with the modified powerpc version (in a
 fully bisectable way of course).  It converts all users over to the
 new API and makes irq_domain selectable on any architecture.
 
 No architecture is forced to enable irq_domain, but the infrastructure
 is required for doing OpenFirmware style irq translations.  It will
 even work on SPARC even though SPARC has it's own mechanism for
 translating irqs at boot time.  MIPS, microblaze, embedded x86 and c6x
 are converted too.
 
 The resulting irq_domain code is probably still too verbose and can be
 optimized more, but that can be done incrementally and is a task for
 follow-on patches.
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Merge tag 'irqdomain-for-linus' of git://git.secretlab.ca/git/linux-2.6

Pull irq_domain support for all architectures from Grant Likely:
 "Generialize powerpc's irq_host as irq_domain

  This branch takes the PowerPC irq_host infrastructure (reverse mapping
  from Linux IRQ numbers to hardware irq numbering), generalizes it,
  renames it to irq_domain, and makes it available to all architectures.

  Originally the plan has been to create an all-new irq_domain
  implementation which addresses some of the powerpc shortcomings such
  as not handling 1:1 mappings well, but doing that proved to be far
  more difficult and invasive than generalizing the working code and
  refactoring it in-place.  So, this branch rips out the 'new'
  irq_domain and replaces it with the modified powerpc version (in a
  fully bisectable way of course).  It converts all users over to the
  new API and makes irq_domain selectable on any architecture.

  No architecture is forced to enable irq_domain, but the infrastructure
  is required for doing OpenFirmware style irq translations.  It will
  even work on SPARC even though SPARC has it's own mechanism for
  translating irqs at boot time.  MIPS, microblaze, embedded x86 and c6x
  are converted too.

  The resulting irq_domain code is probably still too verbose and can be
  optimized more, but that can be done incrementally and is a task for
  follow-on patches."

* tag 'irqdomain-for-linus' of git://git.secretlab.ca/git/linux-2.6: (31 commits)
  dt: fix twl4030 for non-dt compile on x86
  mfd: twl-core: Add IRQ_DOMAIN dependency
  devicetree: Add empty of_platform_populate() for !CONFIG_OF_ADDRESS (sparc)
  irq_domain: Centralize definition of irq_dispose_mapping()
  irq_domain/mips: Allow irq_domain on MIPS
  irq_domain/x86: Convert x86 (embedded) to use common irq_domain
  ppc-6xx: fix build failure in flipper-pic.c and hlwd-pic.c
  irq_domain/microblaze: Convert microblaze to use irq_domains
  irq_domain/powerpc: Replace custom xlate functions with library functions
  irq_domain/powerpc: constify irq_domain_ops
  irq_domain/c6x: Use library of xlate functions
  irq_domain/c6x: constify irq_domain structures
  irq_domain/c6x: Convert c6x to use generic irq_domain support.
  irq_domain: constify irq_domain_ops
  irq_domain: Create common xlate functions that device drivers can use
  irq_domain: Remove irq_domain_add_simple()
  irq_domain: Remove 'new' irq_domain in favour of the ppc one
  mfd: twl-core.c: Fix the number of interrupts managed by twl4030
  of/address: add empty static inlines for !CONFIG_OF
  irq_domain: Add support for base irq and hwirq in legacy mappings
  ...
2012-03-21 10:27:19 -07:00
Linus Torvalds
69a7aebcf0 Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/trivial
Pull trivial tree from Jiri Kosina:
 "It's indeed trivial -- mostly documentation updates and a bunch of
  typo fixes from Masanari.

  There are also several linux/version.h include removals from Jesper."

* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/trivial: (101 commits)
  kcore: fix spelling in read_kcore() comment
  constify struct pci_dev * in obvious cases
  Revert "char: Fix typo in viotape.c"
  init: fix wording error in mm_init comment
  usb: gadget: Kconfig: fix typo for 'different'
  Revert "power, max8998: Include linux/module.h just once in drivers/power/max8998_charger.c"
  writeback: fix fn name in writeback_inodes_sb_nr_if_idle() comment header
  writeback: fix typo in the writeback_control comment
  Documentation: Fix multiple typo in Documentation
  tpm_tis: fix tis_lock with respect to RCU
  Revert "media: Fix typo in mixer_drv.c and hdmi_drv.c"
  Doc: Update numastat.txt
  qla4xxx: Add missing spaces to error messages
  compiler.h: Fix typo
  security: struct security_operations kerneldoc fix
  Documentation: broken URL in libata.tmpl
  Documentation: broken URL in filesystems.tmpl
  mtd: simplify return logic in do_map_probe()
  mm: fix comment typo of truncate_inode_pages_range
  power: bq27x00: Fix typos in comment
  ...
2012-03-20 21:12:50 -07:00
Venu Byravarasu
3c33be06f9 mfd: Add support for TPS65090
TPS65090 is a Texas Instrument PMIC. It contains 3 Step-Down converters, 2
always on LDO's and  7 current limited load switches.

Signed-off-by: Venu Byravarasu <vbyravarasu@nvidia.com>
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
2012-03-20 16:56:33 +01:00
Dmitry Torokhov
bcc2d6d6fc mfd: Add some da9052-i2c section annotations
da9052_i2c_remove() can and should be marked as __devexit.

Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
2012-03-20 16:38:14 +01:00
Laxman Dewangan
5364d0b864 mfd: Build rtc5t583 only if I2C config is selected to y.
Fixing build error reported by Stephen Rothwell:

drivers/built-in.o: In function `rc5t583_i2c_init':
rc5t583.c:(.init.text+0xb3db): undefined reference to `i2c_register_driver'
drivers/built-in.o: In function `rc5t583_i2c_probe':
rc5t583.c:(.devinit.text+0x8fa0): undefined reference to `regmap_init_i2c'
drivers/built-in.o: In function `rc5t583_i2c_exit':
rc5t583.c:(.exit.text+0x708): undefined reference to `i2c_del_driver'

Signed-off-by: Laxman Dewangan <ldewangan@nvidia.com>
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
2012-03-20 13:49:45 +01:00
Mark Brown
4992fa1fd4 TWL specific changes, cross-merged with OMAP due to arch/arm wanting to
use the new ability to override the voltage set and get operations to
 support the in-CPU voltage management.  The other changes are minor
 fixes, the addition of a few new regulators and device tree support.
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Merge tag 'topic/twl' into regulator-next

TWL specific changes, cross-merged with OMAP due to arch/arm wanting to
use the new ability to override the voltage set and get operations to
support the in-CPU voltage management.  The other changes are minor
fixes, the addition of a few new regulators and device tree support.
2012-03-19 17:17:32 +00:00
Mark Brown
115e4bfd5b Merge remote-tracking branch 'regulator/topic/supply' into regulator-next 2012-03-18 21:39:19 +00:00
Ying-Chun Liu (PaulLiu)
75060a1d9d mfd: Add anatop mfd driver
Signed-off-by: Ying-Chun Liu (PaulLiu) <paul.liu@linaro.org>
Acked-by: Shawn Guo <shawn.guo@linaro.org>
Reviewed-by: Arnd Bergmann <arnd@arndb.de>
Reviewed-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Cc: Venu Byravarasu <vbyravarasu@nvidia.com>
Cc: Peter Korsgaard <jacmet@sunsite.dk>
Cc: Rob Lee <rob.lee@linaro.org>
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
2012-03-16 21:12:32 +01:00
Bengt Jonsson
1927ddf668 mfd: Add 8420 variant to db8500-prcmu
Signed-off-by: Bengt Jonsson <bengt.g.jonsson@stericsson.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
2012-03-16 20:59:19 +01:00
Bengt Jonsson
5f96a1a6d5 mfd: Add 8520 PRCMU variant to db8500-prcmu
Signed-off-by: Bengt Jonsson <bengt.g.jonsson@stericsson.com>
Reviewed-by: Mattias Nilssson <mattias.i.nilsson@stericsson.com>
Reviewed-by: Jonas Aberg <jonas.aberg@stericsson.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
2012-03-16 20:59:01 +01:00
Mattias Nilsson
d902d0d18c mfd: Remove obsolete hwacc implementation for db8500-prmcu
This patch removes the obsolete hwacc implementation in the
DB8500 PRCMU driver.

Signed-off-by: Mattias Nilsson <mattias.i.nilsson@stericsson.com>
Reviewed-by: Jonas Aberg <jonas.aberg@stericsson.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
2012-03-16 20:58:39 +01:00
Axel Lin
829ecbcb14 mfd: Use DIV_ROUND_CLOSEST for sm501 clock
Use DIV_ROUND_CLOSEST to replace sm501fb_round_div function.

Signed-off-by: Axel Lin <axel.lin@gmail.com>
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
2012-03-16 20:37:47 +01:00
Laxman Dewangan
1b1247dd75 mfd: Add support for RICOH PMIC RC5T583
Ricoh power management IC  RC5T583 contains is multi
functional device having multiple sub devices inside this.
This device has multiple dcdc/ldo regulators, gpios, interrupt
controllers, on-key, RTCs, ADCs.
This device have 4 DCDCs, 8 LDOs, 8 GPIOs, 6 ADCs, 3 RTCs etc.

Signed-off-by: Laxman Dewangan <ldewangan@nvidia.com>
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
2012-03-16 20:05:45 +01:00
Mattias Nilsson
bc628fd19d mfd: Make use of the ab8500 firmware read-modify-write service
This patch updates the AB8500 driver to make use of the I2C
read-modify-write service in the PRCMU firmware.

Signed-off-by: Mattias Nilsson <mattias.i.nilsson@stericsson.com>
Reviewed-by: Mattias Wallin <mattias.wallin@stericsson.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
2012-03-16 19:45:33 +01:00
Mattias Nilsson
3c3e489831 mfd: Add a prcmu_abb_write_masked routine to db8500-prcmu
This patch adds driver support for the I2C read-modify-write
service in the U8500 PRCMU firmware.

Signed-off-by: Mattias Nilsson <mattias.i.nilsson@stericsson.com>
Reviewed-by: Jonas ABERG <jonas.aberg@stericsson.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
2012-03-16 19:45:08 +01:00
Bengt Jonsson
a982362c17 mfd: Support for the AB8500 AB8505 variant
This builds upon the changes done to support AB9540 so as
also to support the AB8505 derivative of the AB8500
circuit.

Signed-off-by: Bengt Jonsson <bengt.g.jonsson@stericsson.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
2012-03-16 19:44:20 +01:00
Rabin Vincent
392cbd1e60 mfd: Don't use mutex_lock_interruptible in ab8500-core
This disadvantage of having it interruptible is that it would
appear to work OK in most situations, but in the rare case
that this call does fail, it can lead to misconfiguration
of the AB, such as a regulator not being turned off and
leading to a platform power consumption increase.

There's no real benefit to having this interruptible.

Make it a plain mutex_lock. The non-interruptability matches
other low-level I/O functions such as SPI and I2C.

Signed-off-by: Rabin Vincent <rabin.vincent@stericsson.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
2012-03-16 19:43:36 +01:00
Laxman Dewangan
39ecb03765 mfd: Use correct variable name for tps65910 regmap config
This was the copy-paste issue in reg cache support code where
variable name for regmap config was not really starting from
the device name, it was starting from some other device name.
Fixing this so that variable name contains actual device name.

Signed-off-by: Laxman Dewangan <ldewangan@nvidia.com>
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
2012-03-16 18:50:51 +01:00
Mark Brown
618dd15d21 mfd: wm8994: Fix register default for WM1811 AntiPOP2
Should be all bits clear.

Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
2012-03-16 17:44:51 +01:00
Mark Brown
9f9efcd526 mfd: wm8994: Remove defaults for volatile registers
Some volatile registers accidentally had defaults added, though there were
no harmful side effects other than increased memory consumption.

Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
2012-03-16 17:44:51 +01:00
Peter Ujfalusi
46eda3e96a mfd: twl-core: regulator configuration for twl6030 V1V8, V2V1 SMPS
To be able to attach consumers to these supplies from board
files we need to have regulator_init_data for them.

Signed-off-by: Peter Ujfalusi <peter.ujfalusi@ti.com>
Signed-off-by: Rajendra Nayak <rnayak@ti.com>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
2012-03-11 20:09:26 +00:00
Tero Kristo
34a3844068 regulator: twl6030: add support for vdd1, vdd2 and vdd3 regulators
vdd1 and vdd2 are now common regulators for twl4030 and twl6030. Also
added vdd3 as a new regulator for twl6030. twl6030 vdd1...vdd3 smps
regulator voltages can only be controlled through the smartreflex
voltage channel, thus the support for the voltage_get and set is
minimal and requires external controller.

Signed-off-by: Tero Kristo <t-kristo@ti.com>
Signed-off-by: Rajendra Nayak <rnayak@ti.com>
Acked-by: Samuel Ortiz <sameo@linux.intel.com>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
2012-03-11 20:09:00 +00:00
Tero Kristo
63bfff4e20 regulator: twl4030: add support for external voltage get/set
This is needed for SMPS regulators, which use the OMAP voltage
processor for voltage get/set functions instead of the normal I2C
channel. For this purpose, regulator_init_data->driver_data contents
are expanded, it is now a struct which contains function pointers
for the set/get voltage operations, a data pointer for these, and
the previously used features bitmask.

Signed-off-by: Tero Kristo <t-kristo@ti.com>
Acked-by: Samuel Ortiz <sameo@linux.intel.com> [for the MFD part]
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
2012-03-11 20:08:45 +00:00
Paul Gortmaker
51990e8254 device.h: cleanup users outside of linux/include (C files)
For files that are actively using linux/device.h, make sure
that they call it out.  This will allow us to clean up some
of the implicit uses of linux/device.h within include/*
without introducing build regressions.

Yes, this was created by "cheating" -- i.e. the headers were
cleaned up, and then the fallout was found and fixed, and then
the two commits were reordered.  This ensures we don't introduce
build regressions into the git history.

Signed-off-by: Paul Gortmaker <paul.gortmaker@windriver.com>
2012-03-11 14:27:37 -04:00
Samuel Ortiz
2f5f89be6f mfd: Fix pm8606 build failure
Reported by Andrew Morton <akpm@linux-foundation.org>, with
i386 allmodconfig:

ERROR: "pm8606_osc_disable" [drivers/video/backlight/88pm860x_bl.ko] undefined!
ERROR: "pm8606_osc_enable" [drivers/video/backlight/88pm860x_bl.ko] undefined!
ERROR: "pm8606_osc_disable" [drivers/leds/leds-88pm860x.ko] undefined!
ERROR: "pm8606_osc_enable" [drivers/leds/leds-88pm860x.ko] undefined!

Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
2012-03-06 18:46:57 +01:00
Axel Lin
5a924d13ec mfd: Fix a typo in MFD_MAX8997 Kconfig entry
Signed-off-by: Axel Lin <axel.lin@gmail.com>
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
2012-03-06 18:46:57 +01:00
Daniel Lezcano
34fe6f107e mfd : Check if the other db8500 core is in WFI
This patch allows to check if the other core is in WFI
mode. It is the last check the idle routine has to do before
entering into the retention state.

Signed-off-by: Daniel Lezcano <daniel.lezcano@linaro.org>
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
2012-03-06 18:46:56 +01:00
Daniel Lezcano
9ab492e12d mfd : Check if the db8500 prcmu has pending irq
This patch allows to check if there are some pending irqs
on the prcmu.

Signed-off-by: Daniel Lezcano <daniel.lezcano@linaro.org>
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
2012-03-06 18:46:56 +01:00
Daniel Lezcano
9f60d33e18 mfd : Copy the db8500 gic setting to the prcmu
In the case we go to the retention mode, we decoupled the gic
in order to have the A9 core to reach a stable WFI state.
But we want the prcmu to wake up the A9 when the gic has a pending
irq which is done by copying the gic settings to the to the prcmu.

Signed-off-by: Daniel Lezcano <daniel.lezcano@linaro.org>
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
2012-03-06 18:46:55 +01:00
Daniel Lezcano
cc9a0f68d1 mfd : Check if there are pending irq on the db8500 gic
This patch introduces a routine to check if there are some
irqs pending on the gic. Usually this check is not relevant because
it appears racy (an irq can arrive right after this check), but in
the ux500 it makes sense because the prcmu decouples the gic from
the A9 cores.

Signed-off-by: Daniel Lezcano <daniel.lezcano@linaro.org>
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
2012-03-06 18:46:55 +01:00
Daniel Lezcano
801448e067 mfd : Cleanup duplicate db8500 definitions
I missed in my previous patch the A9_MASK_REQ[_MASK] were
already defined. Let's remove the duplicate definitions.

The PRCMU_GIC_DELAY macro could be removed as it is not
really useful here.

Signed-off-by: Daniel Lezcano <daniel.lezcano@linaro.org>
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
2012-03-06 18:46:54 +01:00
Axel Lin
61a2af301f mfd: Return proper error if s5m-core regmap_init_i2c fails
Also remove a redundant semicolon from return statement.

Signed-off-by: Axel Lin <axel.lin@gmail.com>
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
2012-03-06 18:46:54 +01:00
Jett.Zhou
7825806474 mfd: Code cleanup for pm8606 sub-dev initialization
Collect all the sub-devices of pm8606 initialization into
device_pm8606_init() for code clean up.

Signed-off-by: Jett.Zhou <jtzhou@marvell.com>
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
2012-03-06 18:46:52 +01:00
Jett.Zhou
23de435a59 mfd: Add power control interface for pm8606 chip
The reference group and internal oscillator are shared by sub-devs
like led, backlight and vibrator in PM8606 chip. Now introduce a
voting mechanism to enable/disable it.

Add pm8606_osc_enable() and pm8606_osc_disable() interface and
related defines to support this. This interface will be called by
vibrator led and backlight driver.The refernce group and internal
oscillator are enabled only when at least one of it's clients holds
it on or disabled only all the clients don't use it any more based
on the above mechanism.

Signed-off-by: Jett.Zhou <jtzhou@marvell.com>
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
2012-03-06 18:46:52 +01:00
Hai Dong
fe2afaa541 mfd: Fix wm831x-spi table id name typo in MODULE_DEVICE_TABLE macro
Signed-off-by: Hai Dong <hai.dong@polycom.com>
Acked-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
2012-03-06 18:46:52 +01:00
Axel Lin
624e26e020 mfd: Include linux/mfd/pcf50633/mbc.h in pcf50633-irq.c
Include linux/mfd/pcf50633/mbc.h instead of duplicating the same defines.

Signed-off-by: Axel Lin <axel.lin@gmail.com>
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
2012-03-06 18:46:51 +01:00
Axel Lin
7f849a39ee mfd: Include linux/mfd/pcf50633/pmic.h in pcf50633-gpio.c
Include linux/mfd/pcf50633/pmic.h instead of duplicating the same defines.

Signed-off-by: Axel Lin <axel.lin@gmail.com>
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
2012-03-06 18:46:51 +01:00
Mark Brown
378f64ec8a mfd: Correct readability of WM8994 DC servo 4E register
It should be marked as readable but wasn't, breaking DC servo operation.

Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
2012-03-06 18:46:50 +01:00
Laxman Dewangan
dc9913a050 mfd: Use regmap for tps65910 register access.
Using regmap apis for accessing the device registers and
using RBTREE caching mechanims for caching registers.

Enabling caching of the registers which is used for voltage
controls. By doing this, the modify_bits operation is faster as
it does not involve the i2c register read from device, just read
from cache. This results faster set voltage operation.

Signed-off-by: Laxman Dewangan <ldewangan@nvidia.com>
Reviewed-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
2012-03-06 18:46:50 +01:00
Jett.Zhou
2853378b6e mfd: Add ability to wake the system for 88pm860x
For 88pm860x pmic, it can wake the system from low power mode by irq,
its sub-devs like RTC and onkey can be enabled for this usage.

Signed-off-by: Jett.Zhou <jtzhou@marvell.com>
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
2012-03-06 18:46:49 +01:00
Nishanth Menon
b8b8d7932b mfd: Make twl6030_irq_set_wake static
twl6030_irq_set_wake is not used anywhere else in the kernel
except as irq_chip.irq_set_wake. No reason for it to be exported.

Also fixes build warning:
drivers/mfd/twl6030-irq.c:230:5: warning: symbol 'twl6030_irq_set_wake' was not declared. Should it be static?

Signed-off-by: Nishanth Menon <nm@ti.com>
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
2012-03-06 18:46:49 +01:00
Nishanth Menon
3f8349e6e9 mfd: Clear twl6030 IRQ status register only once
TWL6030 family of PMIC use a shadow interrupt status register
while kernel processes the current interrupt event.
However, any write(0 or 1) to register INT_STS_A, INT_STS_B or
INT_STS_C clears all 3 interrupt status registers.

Since clear of the interrupt is done on 32k clk, depending on I2C
bus speed, we could in-adverently clear the status of a interrupt
status pending on shadow register in the current implementation.
This is due to the fact that multi-byte i2c write operation into
three seperate status register could result in multiple load
and clear of status and result in lost interrupts.

Instead, doing a single byte write to INT_STS_A register with 0x0
will clear all three interrupt status registers without the related
risk.

Acked-by: Santosh Shilimkar <santosh.shilimkar@ti.com>
Signed-off-by: Nishanth Menon <nm@ti.com>
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
2012-03-06 18:46:48 +01:00
Axel Lin
91d6a9a6c0 mfd: Remove unused io_lock mutex from da9052
da9052 has been converted to use regmap API, so we can remove the unused
io_lock mutex.

Signed-off-by: Axel Lin <axel.lin@gmail.com>
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
2012-03-06 18:46:48 +01:00
Daniel Lezcano
485540dce0 mfd: Decouple/recouple gic from the ux500 PRCMU
This patch allows to decouple and recouple the gic from the PRCMU.
This is needed to put the A9 core in retention mode with the cpuidle
driver.

It is based on top of the "DB8500 PRCMU update" patchset.

Signed-off-by: Daniel Lezcano <daniel.lezcano@linaro.org>
Acked-by: Rickard Andersson <rickard.andersson@stericsson.com>
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
2012-03-06 18:46:47 +01:00
Axel Lin
8dfc470582 mfd: Initialize tps65912 irq platform data properly
irq_base of the tps65912 irq platform data should be
initialized with the board provided irq_base data.

Signed-off-by: Axel Lin <axel.lin@gmail.com>
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
2012-03-06 18:46:47 +01:00
Jean Delvare
855cc45434 mfd: Fix ACPI conflict check
The code is currently always checking the first resource of every
device only (several times.) This has been broken since the ACPI check
was added in February 2010 in commit
91fedede03.

Fix the check to run on each resource individually, once.

Signed-off-by: Jean Delvare <khali@linux-fr.org>
Cc: stable@vger.kernel.org
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
2012-03-06 18:46:47 +01:00
Mark Brown
ee42b3aa37 mfd: wm8994: Add __devinit and __devexit annotations for probe and remove
Fixes warnings and needed for correctness.

Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
2012-03-06 18:46:46 +01:00
Axel Lin
1fa93bb292 mfd: Show correct device id for wm8400
Signed-off-by: Axel Lin <axel.lin@gmail.com>
Acked-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
2012-03-06 18:46:46 +01:00
Govindraj.R
f0447a690e mfd: Move omap-usb-host usbhs init before allocing child dev
There could be possible race condition where the host dev's
are alloced and added to platform dev just before usbhs_init.
Just move usbhs_init before adding child dev.

CC: Alan Stern <stern@rowland.harvard.edu>
Signed-off-by: Govindraj.R <govindraj.raja@ti.com>
Acked-by: Felipe Balbi <balbi@ti.com>
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
2012-03-06 18:46:45 +01:00
Govindraj.R
cbb8c220e7 mfd: Remove omap-usb-host magic numbers for dev dma mask
Remove the hardcoded magic values for dma mask and use the dma
mask api/macro available.

Signed-off-by: Govindraj.R <govindraj.raja@ti.com>
Reviewed-by: Felipe Balbi <balbi@ti.com>
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
2012-03-06 18:46:45 +01:00
Axel Lin
231dd9c899 mfd: Fix typo for TPS65912
Signed-off-by: Axel Lin <axel.lin@gmail.com>
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
2012-03-06 18:46:44 +01:00
Axel Lin
60b5c5a435 mfd: Make pcf50633_write_block() return 0 on success
The callers of pcf50633_write_block assume pcf50633_write_block return 0 on
success, thus make it return 0 instead of the number of registers written on
success.

Currently pcf50633_write_block is called in drivers/mfd/pcf50633-irq.c and
drivers/rtc/rtc-pcf50633.c.

Signed-off-by: Axel Lin <axel.lin@gmail.com>
Acked-by: Harald Welte <laforge@gnumonks.org>
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
2012-03-06 18:46:44 +01:00
Axel Lin
113351b52b mfd: Fix val_len parameters for s5m-core regmap_raw_write
The val_len parameters for regmap_raw_write should be "count * sizeof(u8)"
(or simply "count") instead of "count * sizeof(u16)".

Signed-off-by: Axel Lin <axel.lin@gmail.com>
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
2012-03-06 18:46:43 +01:00
Axel Lin
d1b5c5e235 mfd: Fix kcalloc parameters swapped
The first parameter should be "number of elements" and the second parameter
should be "element size".

Signed-off-by: Axel Lin <axel.lin@gmail.com>
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
2012-03-06 18:46:43 +01:00
Linus Walleij
d6255529b2 mfd: Support AB9540 ab8500 variant
The AB9540 variant of the AB8500 is basically close enough
to use the same driver. This adds the new registers and
deviations for this new chip variant.

Reviewed-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Signed-off-by: Maxime Coquelin <maxime.coquelin@stericsson.com>
Signed-off-by: Alex Macro <alex.macro@stericsson.com>
Signed-off-by: Michel Jaouen <michel.jaouen@stericsson.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
2012-03-06 18:46:43 +01:00
Linus Walleij
2ced445e2d mfd: Parametrize ab8500 IRQ masks and registers
This makes the AB8500 state struct contain the IRQ mask and
register offsets previously hard-coded so as to make room for
more AB8500 variants.

Reviewed-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Signed-off-by: Maxime Coquelin <maxime.coquelin@stericsson.com>
Signed-off-by: Alex Macro <alex.macro@stericsson.com>
Signed-off-by: Michel Jaouen <michel.jaouen@stericsson.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
2012-03-06 18:46:42 +01:00
Linus Walleij
0f62083759 mfd: Add ab8500 version detection and enforcing
There are currently four different versions of the AB8500
around: AB8500, AB8505, AB9540 and AB8540. Unfortunately:

- Some of the chips (AB8500, AB8505, AB9540) cannot read
  the AB8500_REV_REG register but return errors

- Some of them have the same ID value in the hardware
  register AB8500_REV_REV, for example the first versions
  of AB8505 and AB9540 have 0xFF in this register -
  just like the AB8500.

So we need to be able to enforce a certain version from
the platform. We do this by using the id of the platform
device that provides the read/write functions.

Reviewed-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Signed-off-by: Maxime Coquelin <maxime.coquelin@stericsson.com>
Signed-off-by: Alex Macro <alex.macro@stericsson.com>
Signed-off-by: Michel Jaouen <michel.jaouen@stericsson.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
2012-03-06 18:46:42 +01:00
Linus Walleij
6d95b7fdd0 mfd: Fix ab8500 error path bug
We were not freeing the irq properly in the error path in
the AB8500 driver.

Cc: Mark Brown <broonie@opensource.wolfsonmicro.com>
Signed-off-by: Maxime Coquelin <maxime.coquelin@stericsson.com>
Signed-off-by: Alex Macro <alex.macro@stericsson.com>
Signed-off-by: Michel Jaouen <michel.jaouen@stericsson.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
2012-03-06 18:46:41 +01:00
Mark Brown
d2cb87c23e mfd: Test for jack detection when deciding if wm8994 should suspend
The jack detection on WM1811 is often required during system suspend, add
it as another check when deciding if we should suspend.

Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Cc: stable@vger.kernel.org
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
2012-03-06 18:46:41 +01:00
Mark Brown
ee67b0cd5e mfd: wm8994: We don't need to runtime resume by default
This is the default state that the runtime PM infrastructure expects so
instead just kick the runtime PM core to suspend us if we're not doing
anything (as is default).

Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
2012-03-06 18:46:40 +01:00
Mark Brown
9a022e5f00 mfd: wm8994: Mark MICBIAS register as readable
Omitted in the regmap conversion.

Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
2012-03-06 18:46:40 +01:00
Felipe Contreras
cbcde05ec2 mfd: Trivial twl4030 code-style fixes
Signed-off-by: Felipe Contreras <felipe.contreras@gmail.com>
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
2012-03-06 18:46:39 +01:00
Paul Parsons
450b115106 mfd: Add to_irq() member to asic3 gpio_chip structure
The gpio_to_irq() macro is now defined as __gpio_to_irq() instead of IRQ_GPIO().
The __gpio_to_irq() function returns -ENXIO if the referenced gpio_chip
structure does not define a to_irq() member.
This is true of the asic3 gpio_chip structure, and thus calls to gpio_to_irq()
now fail (for example from the gpio-vbus module).
This patch defines the to_irq() member in the asic3 gpio_chip structure.

Signed-off-by: Paul Parsons <lost.distance@yahoo.com>
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
2012-03-06 18:46:39 +01:00
Jesper Juhl
edcf3196e9 mfd: Remove unneeded version.h include from ab5500
As 'make versioncheck' points out, there's no need for
drivers/mfd/ab5500-core.c to #include <linux/version.h>, so this patch
removes the unneeded include.

Signed-off-by: Jesper Juhl <jj@chaosbits.net>
Acked-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
2012-03-06 18:46:38 +01:00
Chris Blair
e31f9b8264 mfd: Add support for no-interrupt stmpe config
Adds support for boards which have an STMPE device without the
interrupt pin connected.

Acked-by: Viresh Kumar <viresh.kumar@st.com>
Signed-off-by: Chris Blair <chris.blair@stericsson.com>
Tested-by: Michel Jaouen <michel.jaouen@stericsson.com>
Reviewed-by: Srinidhi Kasagar <srinidhi.kasagar@stericsson.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Acked-by: Viresh Kumar <viresh.kumar@st.com>
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
2012-03-06 18:46:38 +01:00
Laxman Dewangan
0dc299a3c4 mfd: Add itps65910 wakeup support
Implementing irq_set_wake() so that device should able
to wakeup the system through different interrupt provided
by this device like gpios, onkey, rtc etc.

Signed-off-by: Laxman Dewangan <ldewangan@nvidia.com>
Reviewed-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
2012-03-06 18:46:37 +01:00
Sangbeom Kim
88a1cfd6f3 mfd: Add support for multiple s5m devices
There are many samsung mfd devices.
The s5m core driver try to support various samsung s5m series.
It will cover S5M8767A and S5M8763 and S5M8751.
This patch is enable to support various s5m series.

Signed-off-by: Sangbeom Kim <sbkim73@samsung.com>
Reviewed-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
2012-03-06 18:46:37 +01:00
Sangbeom Kim
621210e25d mfd: Convert s5m core driver to use devm_kzalloc()
Convert s5m core driver to use devm_kzalloc().

Signed-off-by: Sangbeom Kim <sbkim73@samsung.com>
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
2012-03-06 18:46:36 +01:00
Laxman Dewangan
1773140fec mfd: Initialize tps65910 irq platform data properly
irq_base of the tps65910 irq platform data should be
initialized with the board provided irq_base data.

Signed-off-by: Laxman Dewangan <ldewangan@nvidia.com>
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
2012-03-06 18:46:36 +01:00
Jonghwan Choi
c7a1fcf3b1 mfd: Fix s5m error handling for invalid device type
If device type is not supported in driver, have to retun error.

Signed-off-by: Jonghwan Choi <jhbird.choi@samsung.com>
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
2012-03-06 18:46:35 +01:00
Jonghwan Choi
c3ebb30aae mfd: Fix possible s5m null pointer dereference
This patch checks for pdata to using it.

Signed-off-by: Jonghwan Choi <jhbird.choi@samsung.com>
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
2012-03-06 18:46:35 +01:00
Jonghwan Choi
d2d5cb47e3 mfd: wm8350 variable dereferenced before check
Remove "wm8350->irq_base = pdata->irq_base" to avoid
null pointer exception and wm8350->irq_base got from
irq_alloc_descs().

Signed-off-by: Jonghwan Choi <jhbird.choi@samsung.com>
Acked-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
2012-03-06 18:46:34 +01:00
Mattias Nilsson
b4a6dbd5b7 mfd: Add initial db8500 prcmu register access api
This patch adds an initial PRCMU register access API, which
for now should only be used for a very limited set of registers.

The idea about this API is that we split the PRCMU driver in
one part that deals with interaction with the PRCMU firmware
and one part that simply provide write accessors in the PRCMU
register range. The latter are just a collection of registers
exposed in the PRCMU register range for various purposes and
not related to the PRCMU firmware.

Currently we support some limited GPIO, SPI and UART settings
through this API.

Signed-off-by: Mattias Nilsson <mattias.i.nilsson@stericsson.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
2012-03-06 18:46:34 +01:00
Jonas Aaberg
6f53d10dda mfd: Remove check for db8500 firmware bug
In prcmu firmware version 3.4.4 the issue with longer
intervalls than 131 s was fixed, we don't expect the
issue to creep back up.

Signed-off-by: Jonas Aaberg <jonas.aberg@stericsson.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
2012-03-06 18:46:34 +01:00
Mattias Nilsson
4d64d2e34b mfd: db8500 OPP and sleep handling update
This updates the operating point handling code by:

- Supporting the DDR OPP retention state.
- Supporting another low operating point named
  APE_50_PARTLY_25_OPP
- Adding an interface to figure out if the sleep state change
  was properly achieved.

Signed-off-by: Shreshtha Kumar Sahu <shreshthakumar.sahu@stericsson.com>
Signed-off-by: Rabin Vincent <rabin.vincent@stericsson.com>
Signed-off-by: Mattias Nilsson <mattias.i.nilsson@stericsson.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
2012-03-06 18:46:33 +01:00
Bengt Jonsson
992b133a5d mfd: Spawned db8500 regulators update
As drivers have progressed and got some more review we have
consequently moved things around:

- Some device drivers have changed name and some were wrong
  from the beginning.
- We removed the dependency from some domains to the VAPE
  domain -  SIA MMDSP, SIA PIPE, SVA MMDSP and SVA PIPE power
  domains are handled outside the framework while ESRAM12
  and ESRAM34 are actually handled inside the PRCMU.

Reviewed-by: Rickard Andersson <rickard.andersson@stericsson.com>
Reviewed-by: Jonas Aberg <jonas.aberg@stericsson.com>
Signed-off-by: Bengt Jonsson <bengt.g.jonsson@stericsson.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
2012-03-06 18:46:33 +01:00
Mattias Nilsson
6b6fae2b89 mfd: db8500 clock handling update
This updates the clock handling in the DB8500 PRCMU driver with
the latest findings and API changes related to changes in the
backing firmware in the PRCMU.

- Add the necessary interfaces to get the frequencies of the
  clocks and set the rate of some of the clocks.
- Add support for controlling the clocks PLLSOC0, PLLDSI,
  DSI0, DSI1 and DSI escape clocks (DSInESCCLK).
- Correct the PLLSDI enable/disable sequence by using the
  DSIPLL_CLAMPI bit.

After this we will have the interfaces and code to implement the
U8500 clock framework properly.

Reviewed-by: Jonas Aberg <jonas.aberg@stericsson.com>
Signed-off-by: Mattias Nilsson <mattias.i.nilsson@stericsson.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
2012-03-06 18:46:32 +01:00
Mattias Nilsson
0508901ca7 mfd: Update abstract dbx500 interface
This prefixes a number of accessor functions with db8500_* since
they are DB8500-specific and we need to move to this naming
scheme.

We also replace numerous instances of machine_is() with cpu_is()
which covers the right type of ASICs rather than entire machines
i.e. boards.

Signed-off-by: Mattias Nilsson <mattias.i.nilsson@stericsson.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
2012-03-06 18:46:32 +01:00
Mattias Nilsson
b58d12fe6c mfd: Function for obtaining the db8500 prcmu firmware version
This patch exports a function that can be used to tell which
version of the DB8500 PRCMU firmware is available, and revamps the
firmware detection code a bit.

Reviewed-by: Bengt Jonsson <bengt.g.jonsson@stericsson.com>
Reviewed-by: Jonas Aberg <jonas.aberg@stericsson.com>
Signed-off-by: Mattias Nilsson <mattias.i.nilsson@stericsson.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
2012-03-06 18:46:31 +01:00
Daniel Willerud
c72fe851df mfd: Remove db8500-prcmu U8400 legacy
This removes the U8400 legacy from PRCMU and cpufreq drivers.
This platform has no current in-kernel users.

Signed-off-by: Daniel Willerud <daniel.willerud@stericsson.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
2012-03-06 18:46:31 +01:00
Axel Lin
e536b62095 mfd: Fix section mismatch warning for da9052-spi
Add __devinit annotation for da9052_spi_probe to fix below build warning:

WARNING: drivers/built-in.o(.text+0x349b4): Section mismatch in reference from the function da9052_spi_probe() to the function .devinit.text:da9052_device_init()
The function da9052_spi_probe() references
the function __devinit da9052_device_init().
This is often because da9052_spi_probe lacks a __devinit
annotation or the annotation of da9052_device_init is wrong.

Also add __devexit annotation for da9052_spi_remove because we have
__devexit_p around it in the remove callback.

Signed-off-by: Axel Lin <axel.lin@gmail.com>
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
2012-03-06 18:46:30 +01:00
Michael Thalmeier
1039d762d0 mfd: Add pdata to set mc13783-ts conversion delay
MC13783 can be programmed to wait some clock cycles between the
touchscreen polarization and the resistance conversion. This is
needed to adjust for touchscreens with high capacitance between
plates.

Signed-off-by: Michael Thalmeier <michael.thalmeier@hale.at>
Acked-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Acked-by: Dmitry Torokhov <dtor@mail.ru>
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
2012-03-06 18:46:30 +01:00
Axel Lin
4d75dd61df mfd: Add missing regmap_exit to free a previously allocated da9052 register map
Signed-off-by: Axel Lin <axel.lin@gmail.com>
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
2012-03-06 18:46:30 +01:00
AnilKumar Ch
d48f411c10 mfd: Add new mfd device for TPS65217
The TPS65217 chip is a power management IC for Portable Navigation Systems
and Tablet Computing devices. It contains the following components:

- Regulators
- White LED
- USB battery charger

This patch adds support for tps65217 mfd device. At this time only
the regulator functionality is made available.

Signed-off-by: AnilKumar Ch <anilkumar@ti.com>
Reviwed-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
2012-03-06 18:46:29 +01:00
Mark Brown
0dcc9a9d83 mfd: twl-core: Don't specify regulator consumers by struct device
This has been deprecated for considerable time now and support has been
removed from the regulator API. dev_name should be used instead.

Reported-by: Stephen Rothwell <sfr@canb.auug.org.au>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
2012-03-06 18:46:29 +01:00
Grant Likely
e7cc3aca0f dt: fix twl4030 for non-dt compile on x86
twl4030 still doesn't build correctly for x86 allmodconfig.  This
fix solves the missing symbol errors.

Signed-off-by: Grant Likely <grant.likely@secretlab.ca>
Acked-by: Benoit Cousson <b-cousson@ti.com>
2012-03-05 08:09:09 -07:00
Mark Brown
ac5ff1b358 mfd: Correct readability of WM8994 DC servo 4E register
It should be marked as readable but wasn't, breaking DC servo operation.

Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
2012-03-01 01:42:52 +01:00
Mark Brown
a0cc0209ab mfd: Improve performance of later WM1811 revisions
Apply tunings from earlier silicon revisions to revisions up to D and also
tweak an additional setting for improved DC servo performance.

Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
2012-02-29 10:37:07 +00:00
Grant Likely
280ad7fda5 mfd: twl-core: Add IRQ_DOMAIN dependency
TWL4030 depends on IRQ_DOMAIN support, so this patch selects it in Kconfig.
It used to be that CONFIG_IRQ_DOMAIN must only be selected by the architecture,
but recent cleanups have fixed it so that it is safe to select from anywhere.

Signed-off-by: Benoit Cousson <b-cousson@ti.com>
[grant.likely: Changed from a depends to a select]
Signed-off-by: Grant Likely <grant.likely@secretlab.ca>
Cc: Samuel Ortiz <sameo@linux.intel.com>
2012-02-26 16:48:06 -07:00
Grant Likely
964dba2834 devicetree: Add empty of_platform_populate() for !CONFIG_OF_ADDRESS (sparc)
Sparc has its own helpers for translating address ranges when the device
tree is parsed at boot time, and it isn't able to use of_platform_populate().
However, there are some device drivers that want to use that function on
other DT enabled platforms (ie. TWL4030).  This patch adds an empty
of_platform_populate() implementation that returns an error when
CONFIG_OF_ADDRESS is not selected.

Signed-off-by: Grant Likely <grant.likely@secretlab.ca>
Cc: Benoit Cousson <b-cousson@ti.com>
Cc: Samuel Ortiz <sameo@linux.intel.com>
2012-02-26 16:48:06 -07:00
Axel Lin
d5f39d3862 mfd: Initialize tps65912 irq platform data properly
irq_base of the tps65912 irq platform data should be
initialized with the board provided irq_base data.

Signed-off-by: Axel Lin <axel.lin@gmail.com>
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
2012-02-23 17:38:10 +01:00
Jean Delvare
81b5482c32 mfd: Fix ACPI conflict check
The code is currently always checking the first resource of every
device only (several times.) This has been broken since the ACPI check
was added in February 2010 in commit
91fedede03.

Fix the check to run on each resource individually, once.

Signed-off-by: Jean Delvare <khali@linux-fr.org>
Cc: stable@vger.kernel.org
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
2012-02-23 17:34:22 +01:00
Mark Brown
2b40e9d97d mfd: wm8400: Convert to devm_regmap_init_i2c()
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Acked-by: Samuel Ortiz <sameo@linux.intel.com>
2012-02-22 13:57:05 +00:00
Mark Brown
130a70323c mfd: wm831x: Convert to devm_regmap_init()
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Acked-by: Samuel Ortiz <sameo@linux.intel.com>
2012-02-22 13:57:05 +00:00
Mark Brown
9db4249fa0 mfd: wm8994: Convert to devm_regmap_init()
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Acked-by: Samuel Ortiz <sameo@linux.intel.com>
2012-02-22 13:57:04 +00:00
Mark Brown
462835e4a7 mfd/ASoC: Convert WM8994 driver to use regmap patches
Early revisions of several of the WM8994 variants have register updates
to improve performance. Move these over to using the regmap patch system
instead of open coding them in the audio driver. Since the regmap init
is done by the MFD the code is moved there.

Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Acked-by: Samuel Ortiz <sameo@linux.intel.com>
2012-02-22 13:57:03 +00:00
Mark Brown
abc0cceaee mfd: Add __devinit and __devexit annotations in wm8994
The wm8994_device_init() and wm8994_device_exit() functions were not
annotated as device init and exit functions, meaning they shouldn't
reference __devinitdata.

Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Acked-by: Samuel Oritz <sameo@linux.intel.com>
2012-02-22 13:57:03 +00:00
Mark Brown
027d676650 mfd: wm8994: Add __devinit and __devexit annotations for probe and remove
Fixes warnings and needed for correctness.

Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
2012-02-22 13:57:02 +00:00
Linus Walleij
a60e8df64d mfd: Fix ab8500 error path bug
We were not freeing the irq properly in the error path in
the AB8500 driver.

Cc: Mark Brown <broonie@opensource.wolfsonmicro.com>
Signed-off-by: Maxime Coquelin <maxime.coquelin@stericsson.com>
Signed-off-by: Alex Macro <alex.macro@stericsson.com>
Signed-off-by: Michel Jaouen <michel.jaouen@stericsson.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
2012-02-21 11:57:24 +01:00
Mark Brown
e7c248a049 mfd: Test for jack detection when deciding if wm8994 should suspend
The jack detection on WM1811 is often required during system suspend, add
it as another check when deciding if we should suspend.

Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Cc: stable@vger.kernel.org
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
2012-02-21 11:51:28 +01:00
Laxman Dewangan
0a35ee4783 mfd: Initialize tps65910 irq platform data properly
irq_base of the tps65910 irq platform data should be
initialized with the board provided irq_base data.

Signed-off-by: Laxman Dewangan <ldewangan@nvidia.com>
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
2012-02-20 17:45:26 +01:00
Jonghwan Choi
4a55320117 mfd: Fix possible s5m null pointer dereference
This patch checks for pdata to using it.

Signed-off-by: Jonghwan Choi <jhbird.choi@samsung.com>
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
2012-02-20 16:18:55 +01:00
Jonghwan Choi
aa12242f19 mfd: wm8350 variable dereferenced before check
Remove "wm8350->irq_base = pdata->irq_base" to avoid
null pointer exception and wm8350->irq_base got from
irq_alloc_descs().

Signed-off-by: Jonghwan Choi <jhbird.choi@samsung.com>
Acked-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
2012-02-20 16:18:47 +01:00
Russell King
6ed3e2acc7 MFD: mcp-sa11x0/assabet: move assabet reset handling out of mcp-sa11x0.c
Move the assabet specific reset handling out of mcp-sa11x0.c, into its
board file.  This leaves the mcp code free from all board specific
details.

Acked-by: Jochen Friedrich <jochen@scram.de>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2012-02-18 23:15:44 +00:00
Russell King
54292a4649 MFD: ucb1x00-assabet: add support for UCB1x00 GPIO switches
Add support for UCB1x00 GPIO buttons found on the Assabet platform.
We can now trivially support these buttons as we have standardized
gpiolib, genirq and gpio keyboard support in place for this device.

Acked-by: Jochen Friedrich <jochen@scram.de>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2012-02-18 23:15:44 +00:00
Russell King
3323761677 MFD: ucb1x00-core: add wakeup support
Add genirq wakeup support for the ucb1x00 device.  This allows an
attached gpio_keys driver to wakeup the system.  Touchscreen is also
possible.

When there are no wakeup sources, ask the platform to assert the reset
signal to avoid any unexpected behaviour; this also puts the reset
signal at the right level when power is removed from the device.

Acked-by: Jochen Friedrich <jochen@scram.de>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2012-02-18 23:15:43 +00:00
Russell King
a3364409c4 MFD: ucb1x00: convert to use genirq
Convert the ucb1x00 driver to use genirq's interrupt services, rather
than its own private implementation.  This allows a wider range of
drivers to use the GPIO interrupts (such as the gpio_keys driver)
without being aware of the UCB1x00's private IRQ system.

This prevents the UCB1x00 core driver from being built as a module,
so adjust the configuration to add that restriction.

Acked-by: Jochen Friedrich <jochen@scram.de>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2012-02-18 23:15:43 +00:00
Russell King
cf4abfcc0d MFD: mcp-core: remove legacy driver suspend/resume methods
The legacy driver suspend/resume methods are no longer used, so get rid
of them.

Acked-by: Jochen Friedrich <jochen@scram.de>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2012-02-18 23:15:42 +00:00
Russell King
5a09b7120a MFD: ucb1x00-core: convert to use dev_pm_ops
Convert the ucb1x00-core driver to use dev_pm_ops rather than the legacy
members in the mcp driver.

Acked-by: Jochen Friedrich <jochen@scram.de>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2012-02-18 23:15:42 +00:00
Russell King
a4b54acf9e MFD: mcp-sa11x0: complain if mcp clock is left enabled
Issue a warning if the mcp clock was left enabled by some driver when
we're suspending or tearing down the core driver for the device.  This
is an aid for debugging missing disable calls.

Acked-by: Jochen Friedrich <jochen@scram.de>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2012-02-18 23:15:42 +00:00
Russell King
2b4d9d2b00 MFD: ucb1x00-core: disable mcp clock when bus is not required
The ucb1x00-core was leaving the mcp clock enabled indefinitely after
probe.  This needlessly wastes power.  Add the necessary disables to
ensure that the clock remains off when we don't need it.

Acked-by: Jochen Friedrich <jochen@scram.de>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2012-02-18 23:15:41 +00:00
Russell King
ed442b6798 MFD: ucb1x00-core: add missing ucb1x00_enable()/ucb1x00_disable()
ucb1x00_enable() and ucb1x00_disable() are used for power saving on the
SIB interface, allowing the host supplied clock to be disabled when not
required.  We require drivers which access the ucb1x00 to ensure that
they have enabled the clock prior to accessing the device, and they
should disable it once they're done.

As we don't expect gpiolib users to be aware of this detail, we must
make these calls in the gpiolib interfaces.  Add them.

Also add them to the resume method, which needs to re-establish the
GPIO pin settings.

Acked-by: Jochen Friedrich <jochen@scram.de>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2012-02-18 23:15:38 +00:00
Russell King
65b539bb90 MFD: ucb1x00-core: scan drivers in same order they're registered
Cosmetic patch to scan the list of drivers in the order that the drivers
are registered, rather than the reverse order.  This avoids surprises
when drivers get probed in the reverse order, and input devices get
registered in a different order due to bind/unbind than from boot.

Acked-by: Jochen Friedrich <jochen@scram.de>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2012-02-18 23:15:35 +00:00
Russell King
7655b2ac9e MFD: ucb1x00-core: add owner and dev initializers to gpio structure
Register the gpio device with proper .owner and .dev elements set
appropraitely.

Acked-by: Jochen Friedrich <jochen@scram.de>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2012-02-18 23:15:33 +00:00
Russell King
f5ae587f5d MFD: ucb1x00-core: clean up device handling in probe
Clean up the device handling so we can use the struct device sanely.

Acked-by: Jochen Friedrich <jochen@scram.de>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2012-02-18 23:15:33 +00:00
Russell King
cae154767a MFD: ucb1x00-core: use mutexes instead of semaphores
Convert the ucb1x00 driver to use mutexes rather than the depreciated
semaphores for exclusive access to the ADC.

Acked-by: Jochen Friedrich <jochen@scram.de>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2012-02-18 23:15:32 +00:00
Russell King
ddb1e04a35 MFD: ucb1x00-core: add .owner initializer and module alias
Add a .owner initializer to the UCB1x00 mcp driver structure, and
set an appropriate module alias to identify this driver.

Acked-by: Jochen Friedrich <jochen@scram.de>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2012-02-18 23:15:32 +00:00
Russell King
2f7510c607 MFD: ucb1x00-core: add handling for ucb1x00 reset
Provide a way to handle the software controlled ucb1x00 reset signal
from the ucb1x00-core driver without having to code platform specifics
into these drivers.

Acked-by: Jochen Friedrich <jochen@scram.de>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2012-02-18 23:15:32 +00:00
Russell King
c364ff473a MFD: ucb1x00-core: get rid of mach/hardware.h include
Nothing in this driver requires anything from the machine/platform
headers, so remove this needless header file.

Acked-by: Jochen Friedrich <jochen@scram.de>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2012-02-18 23:15:32 +00:00
Russell King
945f6310d3 MFD: ucb1x00-ts: provide input layer with device parent
Provide the input layer struct device with its parent device, so
that the input layer's device appears in the correct place in the
device tree.  This also allows the input device to be visibily
associated with its hardware.

Acked-by: Jochen Friedrich <jochen@scram.de>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2012-02-18 23:15:31 +00:00
Russell King
abe06082d0 MFD: mcp/ucb1x00: separate ucb1x00 driver data from the MCP data
Patch taken from 5dd7bf59e0 (ARM: sa11x0: Implement autoloading of codec
and codec pdata for mcp bus.) by Jochen Friedrich <jochen@scram.de>.

This adds just the codec data part of the patch.

Acked-by: Jochen Friedrich <jochen@scram.de>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2012-02-18 23:15:30 +00:00
Grant Likely
75294957be irq_domain: Remove 'new' irq_domain in favour of the ppc one
This patch removes the simplistic implementation of irq_domains and enables
the powerpc infrastructure for all irq_domain users.  The powerpc
infrastructure includes support for complex mappings between Linux and
hardware irq numbers, and can manage allocation of irq_descs.

This patch also converts the few users of irq_domain_add()/irq_domain_del()
to call irq_domain_add_legacy() instead.

v3: Fix bug that set up too many irqs in translation range.
v2: Fix removal of irq_alloc_descs() call in gic driver

Signed-off-by: Grant Likely <grant.likely@secretlab.ca>
Cc: Rob Herring <rob.herring@calxeda.com>
Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: Milton Miller <miltonm@bga.com>
Tested-by: Olof Johansson <olof@lixom.net>
2012-02-16 06:11:23 -07:00
Benoit Cousson
5769089ac7 mfd: twl-core.c: Fix the number of interrupts managed by twl4030
TWL4030 does handle 3 different interrupts ranges: 8 for the core, 8 for
the power events and 18 for the GPIOs.

Change the total number of interrupts managed by TWL4030 from 8 to 34.

Signed-off-by: Benoit Cousson <b-cousson@ti.com>
Signed-off-by: Grant Likely <grant.likely@secretlab.ca>
2012-02-16 06:11:23 -07:00
Linus Torvalds
b14a29982a Merge branch 'omap-fixes-warnings' of git://git.linaro.org/people/rmk/linux-arm
This set of changes are fixing various section mismatch warnings which
look to be completely valid.  Primerily, those which are fixed are those
which can cause oopses by manipulation of driver binding via sysfs.  For
example: calling code marked __init from driver probe __devinit
functions.

Some of these changes will be reworked at the next merge window when the
underlying reasons are sorted out.  In the mean time, I think it's
important to have this fixed for correctness.

Also included in this set are fixes to various error messages in OMAP -
including making them gramatically correct, fixing a few spelling
errors, and more importantly, making them greppable by unwrapping them.

Tony Lindgren has acked all these patches, put them out for testing a
week ago, and I've tested them on the platforms I have.

* 'omap-fixes-warnings' of git://git.linaro.org/people/rmk/linux-arm:
  ARM: omap: resolve nebulous 'Error setting wl12xx data'
  ARM: omap: fix wrapped error messages in omap_hwmod.c
  ARM: omap: fix section mismatch warnings in mux.c caused by hsmmc.c
  ARM: omap: fix section mismatch warning for sdp3430_twl_gpio_setup()
  ARM: omap: fix section mismatch error for omap_4430sdp_display_init()
  ARM: omap: fix section mismatch warning for omap_secondary_startup()
  ARM: omap: preemptively fix section mismatch in omap4_sdp4430_wifi_mux_init()
  ARM: omap: fix section mismatch warning in mux.c
  ARM: omap: fix section mismatch errors in TWL PMIC driver
  ARM: omap: fix uninformative vc/i2c configuration error message
  ARM: omap: fix vc.c PMIC error message
  ARM: omap: fix prm44xx.c OMAP44XX_IRQ_PRCM build error
2012-02-13 14:16:07 -08:00
Russell King
a0bb10e866 ARM: omap: fix section mismatch errors in TWL PMIC driver
WARNING: drivers/mfd/built-in.o(.devinit.text+0x258): Section mismatch in reference from the function twl_probe() to the function .init.text:twl4030_power_init()
The function __devinit twl_probe() references
a function __init twl4030_power_init().
If twl4030_power_init is only used by twl_probe then
annotate twl4030_power_init with a matching annotation.

twl4030_power_init() references other __init marked functions, so
these too must become __devinit.

Acked-by: Tony Lindgren <tony@atomide.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2012-02-13 10:00:35 +00:00
Russell King
6252547b8a ARM: omap: fix broken twl-core dependencies and ifdefs
In commit aeb5032b3f, a dependency on IRQ_DOMAIN was added, which causes
regressions on previously working setups: a previously working non-DT
kernel configuration now loses its PMIC support.  The lack of PMIC
support in turn causes the loss of other functionality the kernel had.

This dependency was added because the driver now registers its
interrupts with the IRQ domain code, presumably to prevent a build error.

The result is that OMAP3 oopses in the vp.c code (fixed by a previous
commit) due to the lack of PMIC support.

However, even with IRQ_DOMAIN enabled, the driver oopses:

Unable to handle kernel NULL pointer dereference at virtual address 00000000
pgd = c0004000
[00000000] *pgd=00000000
Internal error: Oops: 5 [#1] SMP
Modules linked in:
CPU: 1    Not tainted  (3.3.0-rc2+ #271)
PC is at irq_domain_add+0x1c/0x134
LR is at twl_probe+0xd0/0x370
pc : [<c007bad0>]    lr : [<c029baac>]    psr: 00000113
sp : df843c48  ip : df843c68  fp : df843c64
r10: c02b93e4  r9 : 00000000  r8 : c029b9dc
r7 : df9d8a00  r6 : c03bef90  r5 : 00000000  r4 : c03f5240
r3 : 00000000  r2 : c03f5240  r1 : 00000015  r0 : c03f5240
Flags: nzcv  IRQs on  FIQs on  Mode SVC_32  ISA ARM  Segment kernel
Control: 10c5387d  Table: 8000404a  DAC: 00000015
Process swapper/0 (pid: 1, stack limit = 0xdf8422f0)
Stack: (0xdf843c48 to 0xdf844000)
3c40:                   00000014 00000170 00000014 c03bef90 df843c9c df843c68
3c60: c029baac c007bac0 00000000 df9d8a20 00000001 c03cd238 c02b93e4 df9d8a20
3c80: df9d8a04 df9d8a00 c029b9dc df8cae08 df843cc4 df843ca0 c01eee70 c029b9e8
...
Backtrace:
[<c007bab4>] (irq_domain_add+0x0/0x134) from [<c029baac>] (twl_probe+0xd0/0x370)
 r6:c03bef90 r5:00000014 r4:00000170
[<c029b9dc>] (twl_probe+0x0/0x370) from [<c01eee70>] (i2c_device_probe+0xb0/0xe4)
[<c01eedc0>] (i2c_device_probe+0x0/0xe4) from [<c01d1f34>] (really_probe+0xa0/0x178)
 r8:df8f0070 r7:c03cd238 r6:df9d8a20 r5:df9d8a20 r4:df9d8a20
[<c01d1e94>] (really_probe+0x0/0x178) from [<c01d205c>] (driver_probe_device+0x50/0x68)
 r7:df843d18 r6:df9d8a20 r5:c03cd238 r4:df9d8a20
[<c01d200c>] (driver_probe_device+0x0/0x68) from [<c01d2148>] (__device_attach+0x44/0x48)
 r5:df9d8a20 r4:c03cd238
[<c01d2104>] (__device_attach+0x0/0x48) from [<c01d0840>] (bus_for_each_drv+0x58/0x98)
 r5:c01d2104 r4:00000000
[<c01d07e8>] (bus_for_each_drv+0x0/0x98) from [<c01d21f8>] (device_attach+0x80/0xac)
 r7:df9d8a28 r6:df9d8a54 r5:c03cd978 r4:df9d8a20
[<c01d2178>] (device_attach+0x0/0xac) from [<c01d1430>] (bus_probe_device+0x34/0xa4)
 r6:df9d8a20 r5:c03cd978 r4:df9d8a20
[<c01d13fc>] (bus_probe_device+0x0/0xa4) from [<c01cffb0>] (device_add+0x2a0/0x420)
 r6:00000000 r5:df9d8a20 r4:df9d8a20
[<c01cfd10>] (device_add+0x0/0x420) from [<c01d0150>] (device_register+0x20/0x24)
 r8:df9d8a00 r7:df9d8a04 r6:df8f0048 r5:df9d8a00 r4:df9d8a20
[<c01d0130>] (device_register+0x0/0x24) from [<c01ef8d4>] (i2c_new_device+0x118/0x180)
 r4:df9d8a20
[<c01ef7bc>] (i2c_new_device+0x0/0x180) from [<c01efc88>] (i2c_register_adapter+0x140/0x204)
 r8:c03cd970 r7:00000000 r6:df8f0070 r5:df8a6300 r4:df8f0048
[<c01efb48>] (i2c_register_adapter+0x0/0x204) from [<c01efe9c>] (i2c_add_numbered_adapter+0xb4/0xcc)
 r8:df8a4c54 r7:df8cae00 r6:df843e2c r5:df8f0048 r4:00000000
[<c01efde8>] (i2c_add_numbered_adapter+0x0/0xcc) from [<c029ce1c>] (omap_i2c_probe+0x2f8/0x3b4)
 r6:00000000 r5:df8f0000 r4:df8f0070
[<c029cb24>] (omap_i2c_probe+0x0/0x3b4) from [<c01d3484>] (platform_drv_probe+0x20/0x24)
[<c01d3464>] (platform_drv_probe+0x0/0x24) from [<c01d1f34>] (really_probe+0xa0/0x178)
[<c01d1e94>] (really_probe+0x0/0x178) from [<c01d205c>] (driver_probe_device+0x50/0x68)
 r7:df843ef0 r6:c03cdb2c r5:c03cdb2c r4:df8cae08
[<c01d200c>] (driver_probe_device+0x0/0x68) from [<c01d20e0>] (__driver_attach+0x6c/0x90)
 r5:df8cae3c r4:df8cae08
[<c01d2074>] (__driver_attach+0x0/0x90) from [<c01d08d8>] (bus_for_each_dev+0x58/0x98)
 r6:c03cdb2c r5:c01d2074 r4:00000000
[<c01d0880>] (bus_for_each_dev+0x0/0x98) from [<c01d1d80>] (driver_attach+0x20/0x28)
 r7:df880b80 r6:c03cdb2c r5:c03cdb2c r4:c0394f28
[<c01d1d60>] (driver_attach+0x0/0x28) from [<c01d115c>] (bus_add_driver+0xb4/0x230)
[<c01d10a8>] (bus_add_driver+0x0/0x230) from [<c01d278c>] (driver_register+0xc8/0x154)
[<c01d26c4>] (driver_register+0x0/0x154) from [<c01d37e4>] (platform_driver_register+0x4c/0x60)
 r8:00000000 r7:00000013 r6:c00384c8 r5:c0395180 r4:c0394f28
[<c01d3798>] (platform_driver_register+0x0/0x60) from [<c038626c>] (omap_i2c_init_driver+0x14/0x1c)
[<c0386258>] (omap_i2c_init_driver+0x0/0x1c) from [<c00087b8>] (do_one_initcall+0x9c/0x164)
[<c000871c>] (do_one_initcall+0x0/0x164) from [<c036c2f4>] (kernel_init+0x90/0x138)
[<c036c264>] (kernel_init+0x0/0x138) from [<c00384c8>] (do_exit+0x0/0x2ec)
 r5:c036c264 r4:00000000
<0>Code: e24dd004 e5903014 e1a04000 e5905010 (e5933000)
<4>---[ end trace 1b75b31a2719ed1c ]---

This happens because we try to register an IRQ domain with a NULL ops
structure, and the first thing irq_domain_add() does is try to
dereference this ops structure.

So, fix the problem by getting rid of the incorrect OF_IRQ ifdef and
wrapping the IRQ domain bits of the driver with an IRQ_DOMAIN ifdef
instead.

Acked-by: Tony Lindgren <tony@atomide.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2012-02-09 17:56:53 +00:00
Jiri Kosina
972c5ae961 Merge branch 'master' into for-next
Sync with Linus' tree to be able to apply patch to a newer
code (namely drivers/gpu/drm/gma500/psb_intel_lvds.c)
2012-02-03 23:13:05 +01:00
Jesper Juhl
61c54d20d1 ab5500-core.c: Don't needlessly include linux/version.h
As 'make versioncheck' so nicely points out, there's no need for
drivers/mfd/ab5500-core.c to #include the linux/version.h header.
This patch removes the pointless include.

Signed-off-by: Jesper Juhl <jj@chaosbits.net>
Acked-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
2012-02-03 22:39:52 +01:00
Peter Ujfalusi
2bd05db718 mfd: Avoid twl6040-codec PLL reconfiguration when not needed
Do not reconfigure the PLL in case it has been configured already
with the requested parameters.
In case of different PLL configuration do only the needed changes.
This can save considerable amount of time since we can avoid the
defined protocol (with delays) for the PLL configuration.

Signed-off-by: Peter Ujfalusi <peter.ujfalusi@ti.com>
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
2012-02-03 19:03:50 +01:00
Peter Ujfalusi
f8447d6c21 mfd: Store twl6040-codec mclk configuration
Store the last used mclk configuration for the PLL.

Signed-off-by: Peter Ujfalusi <peter.ujfalusi@ti.com>
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
2012-02-03 19:03:44 +01:00
Russell King
a6aecae29a MFD: mcp-sa11x0: use _noirq resume methods
The genirq code requires early access to interrupt controllers.  In
order to allow this, we need to resume the MCP via the _noirq methods
instead of the standard methods.

Acked-by: Jochen Friedrich <jochen@scram.de>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2012-02-03 17:38:13 +00:00
Russell King
2796e39737 MFD: mcp-sa11x0: convert to use dev_pm_ops
Convert the sa11x0 MCP driver to use dev_pm_ops rather than the legacy
members in the platform driver.

Acked-by: Jochen Friedrich <jochen@scram.de>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2012-02-03 17:38:10 +00:00
Russell King
45c7f75fd4 MFD: mcp-sa11x0: convert mcp-sa11x0 to use platform resources
Patch taken from af9081ae64 (ARM: sa1100: Refactor mcp-sa11x0 to use
platform resources.) by Jochen Friedrich <jochen@scram.de>, and fixes
applied.

We can safely do this now that we have sanitized host removal; the
original patch had use-after-free bugs in the removal code.  Not only
that, but there was no checking of the ioremap() return.

The final change over Jochen's patch is that we wrap the base pointer
selection inside the various register indexes, which reduces the
possibility of the wrong register index being used.

Acked-by: Jochen Friedrich <jochen@scram.de>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2012-02-03 17:38:07 +00:00
Russell King
c4592ce4e8 MFD: mcp-sa11x0: add .owner initializer
Patch partly taken from af9081ae64 (ARM: sa1100: Refactor mcp-sa11x0 to
use platform resources.) by Jochen Friedrich <jochen@scram.de>

Move the MODULE_ALIAS() alongside the other MODULE_* definitions, and
use DRIVER_NAME to ensure that the driver is consistently named.

Acked-by: Jochen Friedrich <jochen@scram.de>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2012-02-03 17:38:05 +00:00
Russell King
e36e26a8b7 MFD: mcp-sa11x0: move setup of PPC unit out of mcp-sa11x0.c
Patch taken from af9081ae64 (ARM: sa1100: Refactor mcp-sa11x0 to use
platform resources.) by Jochen Friedrich <jochen@scram.de>, and
consolidated to use a common function.

Move the setup of the PPC unit out of mcp-sa11x0 into the core SA11x0
code, and call it from each platforms initialization file.  This
centralizes the setup of the PPC unit while not polluting the mcp-sa11x0
driver with these details.

Acked-by: Jochen Friedrich <jochen@scram.de>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2012-02-03 17:38:02 +00:00
Russell King
7658e7f9a8 MFD: mcp-sa11x0: remove DMA initializers and variables
The dma_device_t variables are only ever written to by mcp-sa11x0 and
never read.  As the old SA11x0 DMA support will be removed, remove
these so that it no longer depends on the old SA11x0 DMA definitions.

Acked-by: Jochen Friedrich <jochen@scram.de>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2012-02-03 17:37:59 +00:00
Russell King
30816ac049 MFD: mcp-core: sanitize host creation/removal
host_unregister() gives us no chance between removing the device
and the mcp data structure being freed to access the data inbetween,
which drivers may need to do if they need to iounmap() pointers in
their private data structures.

Therefore, re-jig the interfaces, which are now, on creation:

	mcp = mcp_host_alloc()
	if (mcp) {
		ret = mcp_host_add(mcp, data);

		if (!ret)
			mcp_host_free(mcp);
	}

and on removal:

	mcp_host_del(mcp);
	... access mcp ...
	mcp_host_free(mcp);

The free does the final put_device() on the struct device as one would
expect.

Acked-by: Jochen Friedrich <jochen@scram.de>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2012-02-03 17:37:48 +00:00
Mark Brown
1b65fa8496 mfd: twl-core: Don't specify regulator consumers by struct device
This has been deprecated for considerable time now and support has been
removed from the regulator API. dev_name should be used instead.

Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
2012-02-03 11:11:09 +00:00
Russell King
0af5e4c36e MFD: ucb1x00-ts: fix resume failure
If the ucb1x00 touchscreen is resumed while the touchscreen is being
touched, the main thread stops responding.  This occurs because two
things happen:

1. When we suspended, we were woken up, and executed the loop.
   Finding that the touchscreen was not pressed, we prepare to
   schedule for a maximum timeout, before being stopped in
   try_to_freeze().

2. an irq occurs, we disable the irq, and mark it as disabled,
   and wake the thread.  This wake occurs while the thread is
   still within __refrigerator()

3. The thread is unfrozen, and __refrigerator() sets the threads
   state back to INTERRUPTIBLE.

We then drop into schedule_timeout() with an infinite timeout and the
IRQ disabled.  This prevents any further screen touches activating
the thread.

Fix this by using kthread_freezable_should_stop() which handles the
freezing issues for us outside of the hotspot where the task state
matters.  Include a flag to ignore the touchscreen until it is
released to avoid sending unintended data to the application.

Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2012-01-22 21:10:40 +00:00
Russell King
c23bb602af MFD: ucb1x00-core: fix gpiolib direction_output handling
gpiolib drivers should first set the output data before setting the
direction to avoid putting glitches on an output signal.  As an
additional bonus, we tweak the code to avoid unnecessary register
writes to the output and direction registers if they have no need
to be updated.

Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2012-01-21 18:34:46 +00:00
Russell King
2e95e51e18 MFD: ucb1x00-core: fix missing restore of io output data on resume
We were not restoring the UCB1x00 gpio output data on resume, resulting
in incorrect GPIO output data after a resume.  Add the missing register
write.

Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2012-01-21 18:32:24 +00:00
Russell King
9825022169 MFD: mcp-core: fix complaints from the genirq layer
The genirq layer complains if an interrupt handler returns with
interrupts enabled.  The UCB1x00 handler does just this, because
ucb1x00_enable() calls mcp_enable(), which uses spin_lock_irq()
rather than spin_lock_irqsave().  Convert this, and the divisor
setting functions to use spin_lock_irqsave().

Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2012-01-20 17:57:35 +00:00
Russell King
65f2e753f1 Revert "ARM: sa11x0: Implement autoloading of codec and codec pdata for mcp bus."
This reverts commit 5dd7bf59e0.

Conflicts:

	scripts/mod/file2alias.c

This change is wrong on many levels.  First and foremost, it causes a
regression.  On boot on Assabet, which this patch gives a codec id of
'ucb1x00', it gives:

	ucb1x00 ID not found: 1005

0x1005 is a valid ID for the UCB1300 device.

Secondly, this patch is way over the top in terms of complexity.  The
only device which has been seen to be connected with this MCP code is
the UCB1x00 (UCB1200, UCB1300 etc) devices, and they all use the same
driver.  Adding a match table, requiring the codec string to match the
hardware ID read out of the ID register, etc is completely over the top
when we can just read the hardware ID register.
2012-01-20 17:38:58 +00:00
Russell King
216f63c41c Revert "ARM: sa1100: Refactor mcp-sa11x0 to use platform resources."
This reverts commit af9081ae64.

This revert is necessary to revert 5dd7bf59e0.
2012-01-20 17:37:21 +00:00
Linus Torvalds
0a80939b3e Autogenerated GPG tag for Rusty D1ADB8F1: 15EE 8D6C AB0E 7F0C F999 BFCB D920 0E6C D1AD B8F1
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Merge tag 'for-linus' of git://github.com/rustyrussell/linux

Autogenerated GPG tag for Rusty D1ADB8F1: 15EE 8D6C AB0E 7F0C F999  BFCB D920 0E6C D1AD B8F1

* tag 'for-linus' of git://github.com/rustyrussell/linux:
  module_param: check that bool parameters really are bool.
  intelfbdrv.c: bailearly is an int module_param
  paride/pcd: fix bool verbose module parameter.
  module_param: make bool parameters really bool (drivers & misc)
  module_param: make bool parameters really bool (arch)
  module_param: make bool parameters really bool (core code)
  kernel/async: remove redundant declaration.
  printk: fix unnecessary module_param_name.
  lirc_parallel: fix module parameter description.
  module_param: avoid bool abuse, add bint for special cases.
  module_param: check type correctness for module_param_array
  modpost: use linker section to generate table.
  modpost: use a table rather than a giant if/else statement.
  modules: sysfs - export: taint, coresize, initsize
  kernel/params: replace DEBUGP with pr_debug
  module: replace DEBUGP with pr_debug
  module: struct module_ref should contains long fields
  module: Fix performance regression on modules with large symbol tables
  module: Add comments describing how the "strmap" logic works

Fix up conflicts in scripts/mod/file2alias.c due to the new linker-
generated table approach to adding __mod_*_device_table entries.  The
ARM sa11x0 mcp bus needed to be converted to that too.
2012-01-14 12:32:16 -08:00
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
Rusty Russell
bafeafeab9 module_param: check type correctness for module_param_array
module_param_array(), unlike its non-array cousins, didn't check the type
of the variable.  Fixing this found two bugs.

Cc: Luca Risolia <luca.risolia@studio.unibo.it>
Cc: Mauro Carvalho Chehab <mchehab@infradead.org>
Cc: Eric Piel <eric.piel@tremplin-utc.net>
Cc: linux-media@vger.kernel.org
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
2012-01-13 09:32:16 +10:30
Linus Torvalds
a429638cac Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound: (526 commits)
  ASoC: twl6040 - Add method to query optimum PDM_DL1 gain
  ALSA: hda - Fix the lost power-setup of seconary pins after PM resume
  ALSA: usb-audio: add Yamaha MOX6/MOX8 support
  ALSA: virtuoso: add S/PDIF input support for all Xonars
  ALSA: ice1724 - Support for ooAoo SQ210a
  ALSA: ice1724 - Allow card info based on model only
  ALSA: ice1724 - Create capture pcm only for ADC-enabled configurations
  ALSA: hdspm - Provide unique driver id based on card serial
  ASoC: Dynamically allocate the rtd device for a non-empty release()
  ASoC: Fix recursive dependency due to select ATMEL_SSC in SND_ATMEL_SOC_SSC
  ALSA: hda - Fix the detection of "Loopback Mixing" control for VIA codecs
  ALSA: hda - Return the error from get_wcaps_type() for invalid NIDs
  ALSA: hda - Use auto-parser for HP laptops with cx20459 codec
  ALSA: asihpi - Fix potential Oops in snd_asihpi_cmode_info()
  ALSA: hdsp - Fix potential Oops in snd_hdsp_info_pref_sync_ref()
  ALSA: hda/cirrus - support for iMac12,2 model
  ASoC: cx20442: add bias control over a platform provided regulator
  ALSA: usb-audio - Avoid flood of frame-active debug messages
  ALSA: snd-usb-us122l: Delete calls to preempt_disable
  mfd: Put WM8994 into cache only mode when suspending
  ...

Fix up trivial conflicts in:
 - arch/arm/mach-s3c64xx/mach-crag6410.c:
	renamed speyside_wm8962 to tobermory, added littlemill right
	next to it
 - drivers/base/regmap/{regcache.c,regmap.c}:
	duplicate diff that had already come in with other changes in
	the regmap tree
2012-01-12 08:00:30 -08:00
Linus Torvalds
b24ca57e76 Merge git://git.infradead.org/battery-2.6
* git://git.infradead.org/battery-2.6: (68 commits)
  power_supply: Mark da9052 driver as broken
  power_supply: Drop usage of nowarn variant of sysfs_create_link()
  s3c_adc_battery: Average over more than one adc sample
  power_supply: Add DA9052 battery driver
  isp1704_charger: Fix missing check
  jz4740-battery: Fix signedness bug
  power_supply: Assume mains power by default
  sbs-battery: Fix devicetree match table
  ARM: rx51: Add bq27200 i2c board info
  sbs-battery: Change power supply name
  devicetree-bindings: Propagate bq20z75->sbs rename to dt bindings
  devicetree-bindings: Add vendor entry for Smart Battery Systems
  sbs-battery: Rename internals to new name
  bq20z75: Rename to sbs-battery
  wm97xx_battery: Use DEFINE_MUTEX() for work_lock
  max8997_charger: Remove duplicate module.h
  lp8727_charger: Some minor fixes for the header
  lp8727_charger: Add header file
  power_supply: Convert drivers/power/* to use module_platform_driver()
  power_supply: Add "unknown" in power supply type
  ...
2012-01-11 18:53:05 -08:00