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2013-03-07pm2301-charger: Charging LED control for pm2301Rupesh Kumar
The LED Indicator feature allows indicating through a led when the PM2301 battery charging is active. SW shall not disable this LED. Signed-off-by: Rupesh Kumar <rupesh.kumar@stericsson.com> Signed-off-by: Lee Jones <lee.jones@linaro.org> Reviewed-by: Marcus COOPER <marcus.xm.cooper@stericsson.com> Reviewed-by: Philippe LANGLAIS <philippe.langlais@stericsson.com>
2013-03-07pm2301-charger: lpn pin used only in C2C boardslme00437
This patch restricts use of LPN pin to C2C boards to avoid conflict on HSI for GPIO 60 use. Signed-off-by: Benoit GAUTHIER <benoit.gauthier-xsig@stericsson.com> Signed-off-by: Lee Jones <lee.jones@linaro.org> Reviewed-by: Mustapha BEN-ZOUBEIR <mustapha.ben.zoubeir-xsig@stericsson.com> Reviewed-by: Philippe LANGLAIS <philippe.langlais@stericsson.com> Tested-by: Benoit GAUTHIER <benoit.gauthier-xsig@stericsson.com>
2013-03-07ab8500-charger: Remove duplicate codeLee Jones
Signed-off-by: Lee Jones <lee.jones@linaro.org>
2013-03-07abx500-chargalg: Use module_platform_driver() rathersrinidhi kasagar
deprecate some boilerplate code by using module_platform_driver helper macro. No functional changes. Signed-off-by: srinidhi kasagar <srinidhi.kasagar@stericsson.com> Signed-off-by: Lee Jones <lee.jones@linaro.org>
2013-03-07pm2301-charger: Removed unused code from PM2301 driverRupesh Kumar
Some of the headers and defines accrued over time are no longer in use. Let's take the opportunity to remove a few of them. Signed-off-by: Rupesh Kumar <rupesh.kumar@stericsson.com> Signed-off-by: Lee Jones <lee.jones@linaro.org> Reviewed-by: Marcus COOPER <marcus.xm.cooper@stericsson.com> Reviewed-by: Philippe LANGLAIS <philippe.langlais@stericsson.com>
2013-03-07ab8500-charger: Run detect workaround only on AB8500Rabin Vincent
Only AB8500 has this hardware bug, so these works only need to be run there. Signed-off-by: Rabin Vincent <rabin.vincent@stericsson.com> Signed-off-by: Lee Jones <lee.jones@linaro.org> Reviewed-by: Marcus COOPER <marcus.xm.cooper@stericsson.com> Reviewed-by: Martin SJOBLOM <martin.w.sjoblom@stericsson.com> Reviewed-by: Jonas ABERG <jonas.aberg@stericsson.com>
2013-03-07pm2301-charger: Add pm_runtime_resume & pm_runtime_suspendLee Jones
To optimize the current consumption we use pm_runtime autosuspend functions which execute the pm_runtime_suspend after a delay of inactivity on the other hand we use pm_runtime_resume every time we receive an interruption to wake up the pm2301. Signed-off-by: M BenZoubeir <mustapha.ben.zoubeir-xsig@stericsson.com> Signed-off-by: Lee Jones <lee.jones@linaro.org> Reviewed-by: Philippe LANGLAIS <philippe.langlais@stericsson.com>
2013-03-07pm2301-charger: Adjust interrupt handler behaviorM BenZoubeir
Signed-off-by: M BenZoubeir <mustapha.ben.zoubeir-xsig@stericsson.com> Signed-off-by: Lee Jones <lee.jones@linaro.org> Reviewed-by: Philippe LANGLAIS <philippe.langlais@stericsson.com>
2013-03-07ab8500-charger: Add UsbLineCtrl2 referenceMarcus Cooper
When the state of USB Charge detection is changed then the calls use a define for another register in other bank. This change creates a new define for the correct register and removes the magic numbers that are present. Signed-off-by: Marcus Cooper <marcus.xm.cooper@stericsson.com> Signed-off-by: Lee Jones <lee.jones@linaro.org> Reviewed-by: Hakan BERG <hakan.berg@stericsson.com> Reviewed-by: Jonas ABERG <jonas.aberg@stericsson.com>
2013-03-07ab8500-chargalg: Use hrtimerLee Jones
Timers used for charging safety and maintenance must work even when CPU power has collapsed. By using hrtimers with the realtime clock the system is able to trigger an alarm that wakes-up the CPU and makes it possible to handle events. Allow a little slack time of 5 minutes for the hrtimers to allow CPU to be woken-up in a more optimal power saving way. A 5 minute delay to time-out timers relative to hours does not impact on safety. Signed-off-by: Lee Jones <lee.jones@linaro.org>
2013-03-07abx500-chargalg: Prevent the watchdog from being kicked twiceLee Jones
Charging watchdog kicker work-thread gets started twice causing 'failed to kick watchdog' message after removing charger and when re-inserting charger. This patch removes the superfluous start of watchdog kicker-thread. Signed-off-by: Lee Jones <lee.jones@linaro.org>
2013-03-07ab8500-charger: Use USBLink1Status RegisterMarcus Cooper
The newer AB's such as the AB8505, AB9540 etc include a USBLink1 Status register which detects a larger range of external devices. This should be used instead of the USBLine Status register. Signed-off-by: Marcus Cooper <marcus.xm.cooper@stericsson.com> Signed-off-by: Lee Jones <lee.jones@linaro.org> Reviewed-by: Hakan BERG <hakan.berg@stericsson.com> Reviewed-by: Jonas ABERG <jonas.aberg@stericsson.com> Tested-by: Yang QU <yang.qu@stericsson.com>
2013-03-07ab8500-bm: Add support for the new ab8540 platformLee Jones
Provide AB8540 platform specific information required to run the Battery Management subsystem on AB8540 based devices. For this to happen we see the introduction of separate platform specific data structures and a means in which to process them. Signed-off-by: Lee Jones <lee.jones@linaro.org>
2013-03-07ab8500-btemp: Defer btemp filtering while initialisingRupesh Kumar
Due to btemp filtering enabled during init, temp values reported to charge algorithm driver started from 0. As a result,charge algorithm was going into wrong state and charging was stopped. Signed-off-by: Rupesh Kumar <rupesh.kumar@stericsson.com> Signed-off-by: Lee Jones <lee.jones@linaro.org> Reviewed-by: Marcus COOPER <marcus.xm.cooper@stericsson.com> Reviewed-by: Martin SJOBLOM <martin.w.sjoblom@stericsson.com> Reviewed-by: Philippe LANGLAIS <philippe.langlais@stericsson.com>
2013-03-07ab8500-bm: Add usb power path supportLee Jones
AB8540 supports power path function in USB charging mode for fast power up with dead and weak battery, and it could extend the battery age. When USB charging starts, if the Vbattrue is below than SW cut off voltage, power path and pre-charge should be enabled. If Vbattrue is higher than SW cut off voltage, power path and pre-charge should be disabled. This is to make sure full current to battery charge. At the end of charge, power path should be enable again to reduce charging the battery again. Signed-off-by: Lee Jones <lee.jones@linaro.org>
2013-03-07pm2301-charger: Always compile the PM2301 Charger driver with AB8500 Battery ↵Marcus Cooper
Mgnt The PM2301 Charger should always be available when using the AB8500 Battery Management system, we're ensuring this will be the case. Signed-off-by: Marcus Cooper <marcus.xm.cooper@stericsson.com> Signed-off-by: Lee Jones <lee.jones@linaro.org> Reviewed-by: Hakan BERG <hakan.berg@stericsson.com> Reviewed-by: Mian Yousaf KAUKAB <mian.yousaf.kaukab@stericsson.com>
2013-03-07ab8500-charger: Add AB8505_USB_LINK_STATUSHakan Berg
The AB8505 does not have the same address for USB link-status as has ab8500. Add AB8505_USB_LINK_STATUS and code to switch to correct constant. Signed-off-by: Hakan Berg <hakan.berg@stericsson.com> Signed-off-by: Lee Jones <lee.jones@linaro.org> Reviewed-by: Mian Yousaf KAUKAB <mian.yousaf.kaukab@stericsson.com> Reviewed-by: Marcus COOPER <marcus.xm.cooper@stericsson.com> Reviewed-by: Rabin VINCENT <rabin.vincent@stericsson.com>
2013-03-07ab8500-fg: Allow capacity to raise from 1% when chargingHakan Berg
When battery capacity was going below 1% fg is not supposed to report 0% unless we've got the LOW_BAT IRQ, no matter what the FG-algorithm says. This made fg get stuck at 1% if charger is connected when capacity is 1%. Signed-off-by: Hakan BERG <hakan.berg@stericsson.com> Signed-off-by: Lee Jones <lee.jones@linaro.org> Reviewed-by: Marcus COOPER <marcus.xm.cooper@stericsson.com> Reviewed-by: Srinidhi KASAGAR <srinidhi.kasagar@stericsson.com>
2013-03-07ab8500-btemp: Filter btemp readingsHakan Berg
Battery tempreature readings sometimes fail and results in a value far from recent values. This patch adds a software filter that disposes such readings, by allowing direct updates on temperature only if two samples result in the same temperature. Else only allow 1 degree change from previous reported value in the direction of the new measurement. Signed-off-by: Hakan Berg <hakan.berg@stericsson.com> Signed-off-by: Lee Jones <lee.jones@linaro.org> Reviewed-by: Marcus COOPER <marcus.xm.cooper@stericsson.com> Reviewed-by: Martin SJOBLOM <martin.w.sjoblom@stericsson.com> Reviewed-by: Rabin VINCENT <rabin.vincent@stericsson.com>
2013-03-07pm2301-charger: Wake system when ext charger is plugged-inRupesh Kumar
When in suspend state, upon plug-in of external AC charger the device needs to wake-up and charging operation started. Signed-off-by: Rupesh Kumar <rupesh.kumar@stericsson.com> Signed-off-by: Lee Jones <lee.jones@linaro.org> Reviewed-by: Philippe LANGLAIS <philippe.langlais@stericsson.com>
2013-03-07pm2301-charger: Die temp thermal protectionRupesh Kumar
This patch adds support for die temperature thermal protection in pm2301 driver. Signed-off-by: Rupesh Kumar <rupesh.kumar@stericsson.com> Signed-off-by: Lee Jones <lee.jones@linaro.org> Reviewed-by: Hakan BERG <hakan.berg@stericsson.com> Reviewed-by: Philippe LANGLAIS <philippe.langlais@stericsson.com>
2013-03-07ab8500_charger: Prevent auto drop of VBUSLee Jones
Do not set higher current in stepping functionality if VBUS is dropping. After VBUS has dropped try to set current once again. If dropping again then we have found the maximum capability of the charger. Signed-off-by: Lee Jones <lee.jones@linaro.org>
2013-03-07pm2301-charger: Resolve I2C detection problem on ab9540Mustapha Ben Zoubeir
Signed-off-by: Mustapha Ben Zoubeir <mustapha.ben.zoubeir-nonst@stericsson.com> Signed-off-by: Lee Jones <lee.jones@linaro.org> Reviewed-by: Marcus COOPER <marcus.xm.cooper@stericsson.com> Reviewed-by: Philippe LANGLAIS <philippe.langlais@stericsson.com> Tested-by: Olivier CLERGEAUD <olivier.clergeaud@stericsson.com>
2013-03-07pm2301-charger: Force main charger detectPer Forlin
Force main charger detect in turn on status. Signed-off-by: Rajkumar Kasirajan <rajkumar.kasirajan@stericsson.com> Signed-off-by: Per Forlin <per.forlin@stericsson.com> Signed-off-by: Lee Jones <lee.jones@linaro.org> Reviewed-by: Philippe LANGLAIS <philippe.langlais@stericsson.com> Tested-by: Philippe LANGLAIS <philippe.langlais@stericsson.com>
2013-03-07ab8500-bm: Charge only mode fixes for the ab9540Lee Jones
Fix for charging not getting enabled in charge only mode by external charger. Signed-off-by: Lee Jones <lee.jones@linaro.org>
2013-03-07pm2301-charger: Support for over voltage protection on the ab9540Rupesh Kumar
Added support for main charger over voltage protection. Signed-off-by: Rupesh Kumar <rupesh.kumar@stericsson.com> Signed-off-by: Lee Jones <lee.jones@linaro.org> Reviewed-by: Philippe LANGLAIS <philippe.langlais@stericsson.com> Tested-by: Michel JAOUEN <michel.jaouen@stericsson.com>
2013-03-07ab8500-bm: Quick re-attach charging behaviourLee Jones
Due to a bug in some AB8500 ASICs charger removal cannot always be detected if the removal and reinsertion is done to close in time. This patch detects above described case and handles the situation so that charging will be kept turned on. Signed-off-by: Lee Jones <lee.jones@linaro.org>
2013-03-07ab8500-charger: Trivial coding style changesLee Jones
Enforce the white space character after 'if'. Signed-off-by: Lee Jones <lee.jones@linaro.org>
2013-03-07ab8500-charger: Add backup battery charge voltages on the ab8540Yang QU
Add 2.7v, 2.9v, 3.0v, 3.2v and 3.3v charging voltages for backup battery. Before that only 2.5v, 2.6v, 2.8v, 3.1v were available. Signed-off-by: Yang QU <yang.qu@stericsson.com> Signed-off-by: Lee Jones <lee.jones@linaro.org> Reviewed-by: Maxime COQUELIN <maxime.coquelin@stericsson.com> Reviewed-by: Marcus COOPER <marcus.xm.cooper@stericsson.com> Tested-by: Xiao Mei ZHANG <xiaomei.zhang@stericsson.com>
2013-03-07ab8500-fg: Report unscaled capacityMartin Bergstrom
Unscaled capacity should be reported for POWER_SUPPLY_PROP_CAPACITY. Signed-off-by: Martin Bergstrom <martin.bergstrom@stericsson.com> Signed-off-by: Lee Jones <lee.jones@linaro.org> Reviewed-by: Marcus COOPER <marcus.xm.cooper@stericsson.com> Tested-by: Jonas ABERG <jonas.aberg@stericsson.com>
2013-03-07ab8500-fg: Add power cut feature for ab8505 and ab8540Lee Jones
Add support for a power cut feature which allows user to configure when ab8505 and ab8540 based platforms should shut down system due to low battery. Signed-off-by: Lee Jones <lee.jones@linaro.org>
2013-03-07abx500-chargalg: Store the AB8500 MFD parent device for platform differentiationLee Jones
Any platform can be dynamically probed for model and version number provided the AB8500 MFD parent device pointer is available. This patch obtains that pointer and stores it in a locally controlled struct for later use. Signed-off-by: Lee Jones <lee.jones@linaro.org>
2013-03-07pm2301-charger: Enable SW EOC control on the ab9540Rajkumar Kasirajan
End of charging is managed by SW. Signed-off-by: Rajkumar Kasirajan <rajkumar.kasirajan@stericsson.com> Signed-off-by: Lee Jones <lee.jones@linaro.org> Reviewed-by: Jonas ABERG <jonas.aberg@stericsson.com> Tested-by: Jonas ABERG <jonas.aberg@stericsson.com>
2013-03-07pm2301_charger: Remove __exit, __init and __devexit_p()Lee Jones
Signed-off-by: Lee Jones <lee.jones@linaro.org>
2013-03-07mfd: ab8500-debugfs: Trivially beautify the debugfs driverLee Jones
Just lots of white space corrections, changing some of the 4 space tabs to 8 and pulling back some of the double tabbing back into singles, such as the remaining of the driver. Signed-off-by: Lee Jones <lee.jones@linaro.org> Acked-by: Samuel Ortiz <sameo@linux.intel.com>
2013-03-07mfd: ab8500-core: Hierarchical interrupt registersDariusz Szymczak
Make use of the hierarchical interrupt rergister called ITLatchHier1 - 3 also for the 8500 platform (currently the hierarchical interrupt registers are used only for the 8540 and 9540 platforms). This will make the interrupt routing go faster since fewer i2c reads need to made in the most common cases. Signed-off-by: Dariusz Szymczak <dariusz.xd.szymczak@stericsson.com> Signed-off-by: Lee Jones <lee.jones@linaro.org> Reviewed-by: Mian Yousaf KAUKAB <mian.yousaf.kaukab@stericsson.com> Acked-by: Samuel Ortiz <sameo@linux.intel.com>
2013-03-07mfd: ab8500-debug: Convert to kstrtoul_from_usersrinidhi kasagar
Use kstrtoul_from_user for getting an unsigned long from userspace which is less error prone. Signed-off-by: srinidhi kasagar <srinidhi.kasagar@stericsson.com> Signed-off-by: Linus Walleij <linus.walleij@stericsson.com> Signed-off-by: Lee Jones <lee.jones@linaro.org> Reviewed-by: Jonas ABERG <jonas.aberg@stericsson.com> Acked-by: Samuel Ortiz <sameo@linux.intel.com>
2013-03-07mfd: ab8500-debug: Add explicit dependenciesLinus Walleij
As I am working on SPARSE_IRQ a number of implicit resource grabs in the kernel become evident. For example, some includes like <linux/irqs.h> would implicitly include <mach/irqs.h> and then from there <mach/db8500-regs.h>. In many cases it is masking the fact that drivers do not properly use resources to pass their dependencies, base addresses etc. So write explicit #include statements with TODO items to have this fixed the proper way to all drivers doing this. Signed-off-by: Linus Walleij <linus.walleij@stericsson.com> Signed-off-by: Lee Jones <lee.jones@linaro.org> Reviewed-by: Philippe LANGLAIS <philippe.langlais@stericsson.com> Acked-by: Samuel Ortiz <sameo@linux.intel.com>
2013-03-07mfd: ab8500-core: Add abx500-clk as an mfd child deviceUlf Hansson
Hierarchically, the abx500-clk shall be considered as a child of the ab8500 core. The abx500-clk is intiated at arch init and thus the clks will be available when clients needs them. Signed-off-by: Ulf Hansson <ulf.hansson@stericsson.com> Signed-off-by: Lee Jones <lee.jones@linaro.org> Reviewed-by: Philippe LANGLAIS <philippe.langlais@stericsson.com> Reviewed-by: Patrice CHOTARD <patrice.chotard@stericsson.com> Reviewed-by: Gabriel FERNANDEZ <gabriel.fernandez@stericsson.com> Reviewed-by: Philippe BEGNIC <philippe.begnic@stericsson.com> Acked-by: Samuel Ortiz <sameo@linux.intel.com>
2013-03-07mfd: ab8500-debug: Add register map for ab8540.Lee Jones
Required to read out correct debug information from the AB chip. Signed-off-by: Lee Jones <lee.jones@linaro.org> Acked-by: Samuel Ortiz <sameo@linux.intel.com>
2013-03-07mfd: ab8500-debugfs: Change AB8500 debug permissionsLee Jones
Enable group write permissions for ab8500 debug MFD driver. Signed-off-by: Lee Jones <lee.jones@linaro.org> Acked-by: Samuel Ortiz <sameo@linux.intel.com>
2013-03-07mfd: ab8500-core: Show turn on status at bootMattias Wallin
Several states can be detected when a device is initially turned on. This patch displays these states in the log. If none of the states are true, then we report that too. Signed-off-by: Mattias Wallin <mattias.wallin@stericsson.com> Signed-off-by: Lee Jones <lee.jones@linaro.org> Reviewed-by: Marcus COOPER <marcus.xm.cooper@stericsson.com> Reviewed-by: Jonas ABERG <jonas.aberg@stericsson.com> Acked-by: Samuel Ortiz <sameo@linux.intel.com>
2013-03-07mfd: ab8500-debug: Add ADC input channel usb_id in debugfsLee Jones
Signed-off-by: Yang QU <yang.qu@stericsson.com> Signed-off-by: Lee Jones <lee.jones@linaro.org> Reviewed-by: Alexandre BOURDIOL <alexandre.bourdiol@stericsson.com> Reviewed-by: Philippe LANGLAIS <philippe.langlais@stericsson.com> Reviewed-by: Mattias WALLIN <mattias.wallin@stericsson.com> Acked-by: Samuel Ortiz <sameo@linux.intel.com>
2013-03-07mfd: ab8500-debugfs: Dump sim registersLee Jones
This patch allows to dump the SIM registers from debugfs. It will temporary change the config to allow APE side to read the SIM registers. Note that this read can cause problem on modem side since the modem can't read these registers while the operation is ongoing. Signed-off-by: Mattias Wallin <mattias.wallin@stericsson.com> Signed-off-by: Lee Jones <lee.jones@linaro.org> Reviewed-by: Marcus COOPER <marcus.xm.cooper@stericsson.com> Reviewed-by: Jonas ABERG <jonas.aberg@stericsson.com> Acked-by: Samuel Ortiz <sameo@linux.intel.com>
2013-03-07mfd: ab8500-sysctrl: AB8505 doesn't have SYSCLKREQ5..8Rabin Vincent
So we're removing support for it. Signed-off-by: Rabin Vincent <rabin.vincent@stericsson.com> Signed-off-by: Lee Jones <lee.jones@linaro.org> Tested-by: Marcus COOPER <marcus.xm.cooper@stericsson.com> Acked-by: Samuel Ortiz <sameo@linux.intel.com>
2013-03-07mfd: ab8500-core: Add additional resources to ab8505_iddet_resourcesLee Jones
Add VBUS_DET_R, VBUS_DET_F IRQ, ID_DET_PLUGR and ID_DET_PLUGF IRQ information to ab8505_iddet_resources. These are required to get interrupts for AB8505 cut-2. Signed-off-by: Lee Jones <lee.jones@linaro.org> Acked-by: Samuel Ortiz <sameo@linux.intel.com>
2013-03-07mfd: ab8500-gpadc: Optimise GPADC driverLee Jones
Optimise GPADC driver: * for code readability and maintenance by grouping similar cheking * for performance by grouping several writing to control register Signed-off-by: Alexandre Bourdiol <alexandre.bourdiol@stericsson.com> Signed-off-by: Lee Jones <lee.jones@linaro.org> Reviewed-by: Philippe LANGLAIS <philippe.langlais@stericsson.com> Acked-by: Samuel Ortiz <sameo@linux.intel.com>
2013-03-07mfd: ab8500-debug: Add support for the AB8540Lee Jones
Allow GPADC debug information to be shown when executing on an AB8540 based platform. Signed-off-by: Alexandre Bourdiol <alexandre.bourdiol@stericsson.com> Reviewed-by: Marcus COOPER <marcus.xm.cooper@stericsson.com> Reviewed-by: Philippe LANGLAIS <philippe.langlais@stericsson.com> Acked-by: Samuel Ortiz <sameo@linux.intel.com>
2013-03-07mfd: ab8500-gpadc: Add support for the AB8540Lee Jones
This patch enables the GPADC to work on AB8540 based platforms. Signed-off-by: Lee Jones <lee.jones@linaro.org> Acked-by: Samuel Ortiz <sameo@linux.intel.com>
2013-03-07mfd: ab8500-sysctrl: Add new reset functionLee Jones
Add a new reset function which uses the AB WD with 0 timeout. Signed-off-by: Lee Jones <lee.jones@linaro.org> Acked-by: Samuel Ortiz <sameo@linux.intel.com>
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