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2020-05-28power: supply: core: add capacity error margin propertySebastian Reichel1-0/+1
Add a property for reporting the error margin expected by fuel gauge chips. Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com>
2020-05-28power: supply: Make bd9995x_chip_reset staticSamuel Zou1-1/+1
Fix the following sparse warning: drivers/power/supply/bd99954-charger.c:1028:6: warning: symbol 'bd9995x_chip_reset' was not declared. The bd9995x_chip_reset() has only one call site within bd99954-charger.c It should be static Fixes: 0902f8366491 ("power: supply: Support ROHM bd99954 charger") Reported-by: Hulk Robot <hulkci@huawei.com> Signed-off-by: Samuel Zou <zou_wei@huawei.com> Reviewed-by: Matti Vaittinen <matti.vaittinen@fi.rohmeurope.com> Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com>
2020-05-28power: reset: vexpress: fix build issueAnders Roxell1-1/+1
An allmodconfig kernel makes CONFIG_VEXPRESS_CONFIG a module and CONFIG_POWER_RESET_VEXPRESS builtin. That makes us see this build error: aarch64-linux-gnu-ld: drivers/power/reset/vexpress-poweroff.o: in function `vexpress_reset_probe': ../drivers/power/reset/vexpress-poweroff.c:119: undefined reference to `devm_regmap_init_vexpress_config' ../drivers/power/reset/vexpress-poweroff.c:119:(.text+0x48c): relocation truncated to fit: R_AARCH64_CALL26 against undefined symbol `devm_regmap_init_vexpress_config' make[1]: *** [/srv/src/kernel/next/Makefile:1126: vmlinux] Error 1 Rework so that POWER_RESET_VEXPRESS depends on 'VEXPRESS_CONFIG=y'. Link: https://lore.kernel.org/r/20200527112608.3886105-5-anders.roxell@linaro.org Fixes: d06cfe3f123c ("bus: vexpress-config: Merge vexpress-syscfg into vexpress-config") Signed-off-by: Anders Roxell <anders.roxell@linaro.org> Acked-by: Rob Herring <robh@kernel.org> Signed-off-by: Arnd Bergmann <arnd@arndb.de>
2020-05-28power: vexpress: cleanup: use builtin_platform_driverAnders Roxell1-6/+1
Use the helper macro for builtin drivers taht don't do anything special in driver init. This removes some boilerplate code. Link: https://lore.kernel.org/r/20200527112608.3886105-3-anders.roxell@linaro.org Signed-off-by: Anders Roxell <anders.roxell@linaro.org> Signed-off-by: Arnd Bergmann <arnd@arndb.de>
2020-05-28power: vexpress: add suppress_bind_attrs to trueAnders Roxell1-0/+1
Make sure that the POWER_RESET_VEXPRESS driver won't have bind/unbind attributes available via the sysfs, so lets be explicit here and use ".suppress_bind_attrs = true" to prevent userspace from doing something silly. Link: https://lore.kernel.org/r/20200527112608.3886105-2-anders.roxell@linaro.org Cc: stable@vger.kernel.org Signed-off-by: Anders Roxell <anders.roxell@linaro.org> Signed-off-by: Arnd Bergmann <arnd@arndb.de>
2020-05-28power: charger: max14577: Add proper dt-compatible stringsMarek Szyprowski1-0/+10
Add device tree compatible strings and create proper modalias structures to let this driver load automatically if compiled as module, because max14577 MFD driver creates MFD cells with such compatible strings. Signed-off-by: Marek Szyprowski <m.szyprowski@samsung.com> Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com>
2020-05-28Merge tag 'tags/ib-mfd-iio-power-v5.8' into psy-nextSebastian Reichel3-0/+680
This merges the MP2629 battery charge management immutable branch between MFD, IIO and power-supply due for the v5.8 merge window into power-supply for-next branch. Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com>
2020-05-28power: reset: syscon-reboot: Add parental syscon supportSerge Semin1-2/+5
Since normally syscon-reboot block is supposed to be a part of a system controller, lets look for the syscon regmap in a parental DT node if regmap property isn't specified. DT binding from now considers the regmap property as deprecated. Signed-off-by: Serge Semin <Sergey.Semin@baikalelectronics.ru> Cc: Alexey Malahov <Alexey.Malahov@baikalelectronics.ru> Cc: Thomas Bogendoerfer <tsbogend@alpha.franken.de> Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com>
2020-05-26Merge branches 'ib-mfd-x86-usb-watchdog-5.8', 'ib-mfd-power-rtc-5.8', ↵Lee Jones4-1/+681
'ib-mfd-iio-power-5.8' and 'ib-mfd-hwmon-5.8' into ibs-for-mfd-merged
2020-05-26power: supply: Add support for mps mp2629 battery chargerSaravanan Sekar3-0/+680
The mp2629 provides switching-mode battery charge management for single-cell Li-ion or Li-polymer battery. Driver supports the access/control input source and battery charging parameters. Signed-off-by: Saravanan Sekar <sravanhome@gmail.com> Reviewed-by: Andy Shevchenko <andy.shevchenko@gmail.com> Reviewed-by: Sebastian Reichel <sebastian.reichel@collabora.com> Signed-off-by: Lee Jones <lee.jones@linaro.org>
2020-05-21rtc: mt6397: Add support for the MediaTek MT6358 RTCRan Bi1-1/+1
This add support for the MediaTek MT6358 RTC. Driver using compatible data to store different RTC_WRTGR address offset. This replace RTC_WRTGR to RTC_WRTGR_MT6323 in mt6323-poweroff driver which only needed by armv7 CPU without ATF. Signed-off-by: Ran Bi <ran.bi@mediatek.com> Signed-off-by: Hsin-Hsiung Wang <hsin-hsiung.wang@mediatek.com> Reviewed-by: Nicolas Boichat <drinkcat@chromium.org> Acked-by: Alexandre Belloni <alexandre.belloni@bootlin.com> Acked-by: Sebastian Reichel <sre@kernel.org> Reviewed-by: Yingjoe Chen <yingjoe.chen@mediatek.com> Signed-off-by: Lee Jones <lee.jones@linaro.org>
2020-05-12power: supply: bq24190_charger: convert to use i2c_new_client_device()Wolfram Sang1-1/+1
Move away from the deprecated API in this comment. Signed-off-by: Wolfram Sang <wsa+renesas@sang-engineering.com> Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com>
2020-05-11power: bq25890: implement INPUT_CURRENT_LIMIT propertyMichał Mirosław1-0/+11
Report REG00.IINLIM value as INPUT_CURRENT_LIMIT property. Signed-off-by: Michał Mirosław <mirq-linux@rere.qmqm.pl> Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com>
2020-05-11power: bq25890: implement PRECHARGE_CURRENT propertyMichał Mirosław1-0/+5
Report configured precharge current. Signed-off-by: Michał Mirosław <mirq-linux@rere.qmqm.pl> Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com>
2020-05-11power: bq25890: implement CHARGE_TYPE propertyMichał Mirosław1-0/+13
Report charging type based on recently read state. Signed-off-by: Michał Mirosław <mirq-linux@rere.qmqm.pl> Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com>
2020-05-11power: bq25890: update state on property readMichał Mirosław1-0/+4
Edge interrupts from the charger may be lost or stuck in fault mode since probe(). Check if something changed everytime userspace wants some data. Signed-off-by: Michał Mirosław <mirq-linux@rere.qmqm.pl> Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com>
2020-05-11power: bq25890: fix ADC mode configurationMichał Mirosław1-5/+26
Datasheet describes two modes for reading ADC measurements: 1. continuous, 1 Hz - enabled and started by CONV_RATE bit 2. one-shot - triggered by CONV_START bit In continuous mode, CONV_START is read-only and signifies an ongoing conversion. Change the code to follow the datasheet and really disable continuous mode for power saving. Signed-off-by: Michał Mirosław <mirq-linux@rere.qmqm.pl> Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com>
2020-05-10power: bq25890: use proper CURRENT_NOW property for I_BATMichał Mirosław1-10/+10
Charge Current is more apropriately reflected by CURRENT_NOW property (measured current) than CONSTANT_CURRENT_VOLTAGE (configured CC-phase current limit). Fix the reference and make the sign reflect direction of the current. Signed-off-by: Michał Mirosław <mirq-linux@rere.qmqm.pl> Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com>
2020-05-10power: supply: max17040: Correct voltage readingJonathan Bakker1-1/+1
According to the datasheet available at (1), the bottom four bits are always zero and the actual voltage is 1.25x this value in mV. Since the kernel API specifies that voltages should be in uV, it should report 1250x the shifted value. 1) https://datasheets.maximintegrated.com/en/ds/MAX17040-MAX17041.pdf Signed-off-by: Jonathan Bakker <xc-racer2@live.ca> Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com>
2020-05-10power: supply: olpc_battery: fix the power supply nameLubomir Rintel1-2/+2
The framework is unhappy about them, because it uses the names in sysfs attributes: power_supply olpc-ac: hwmon: 'olpc-ac' is not a valid name attribute, please fix power_supply olpc-battery: hwmon: 'olpc-battery' is not a valid name attribute, please fix See also commit 648cd48c9e56 ("hwmon: Do not accept invalid name attributes") and commit 74d3b6419772 ("hwmon: Relax name attribute validation for new APIs"). Signed-off-by: Lubomir Rintel <lkundrak@v3.sk> Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com>
2020-05-10power: supply: smb347-charger: Add delay before getting IRQSTATDavid Heidelberg1-0/+4
This delay-fix is picked up from downstream driver, we measured that 25 - 35 ms delay ensure that we get required data. Tested on SMB347 on Nexus 7 2012. Otherwise IRQSTAT_E fails to provide correct information. Signed-off-by: Dmitry Osipenko <digetx@gmail.com> Signed-off-by: David Heidelberg <david@ixit.cz> Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com>
2020-05-10power: supply: smb347-charger: IRQSTAT_D is volatileDmitry Osipenko1-0/+1
Fix failure when USB cable is connected: smb347 2-006a: reading IRQSTAT_D failed Fixes: 1502cfe19bac ("smb347-charger: Fix battery status reporting logic for charger faults") Tested-by: David Heidelberg <david@ixit.cz> Signed-off-by: Dmitry Osipenko <digetx@gmail.com> Signed-off-by: David Heidelberg <david@ixit.cz> Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com>
2020-05-10power: supply: KConfig cleanup default nMatti Vaittinen1-2/+0
The "default n" is not needed as it is, well, default. Clean the KConfig by removing "default n". Signed-off-by: Matti Vaittinen <matti.vaittinen@fi.rohmeurope.com> Reviewed-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com> Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com>
2020-05-10power: supply: Fix Kconfig help text indentiationMatti Vaittinen1-12/+12
Indent the help text as explained in Documentation/process/coding-style.rst Signed-off-by: Matti Vaittinen <matti.vaittinen@fi.rohmeurope.com> Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com>
2020-05-10power: supply: Support ROHM bd99954 chargerMatti Vaittinen4-0/+2227
The ROHM BD99954 is a Battery Management LSI for 1-4 cell Lithium-Ion secondary battery intended to be used in space-constraint equipment such as Low profile Notebook PC, Tablets and other applications. BD99954 provides a Dual-source Battery Charger, two port BC1.2 detection and a Battery Monitor. Support ROHM BD99954 Charger IC. Signed-off-by: Matti Vaittinen <matti.vaittinen@fi.rohmeurope.com> Reviewed-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com> Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com>
2020-05-10power: supply: add battery parametersMatti Vaittinen1-0/+8
Add parsing of new device-tree battery bindings. - trickle-charge-current-microamp - precharge-upper-limit-microvolt - re-charge-voltage-microvolt - over-voltage-threshold-microvolt Signed-off-by: Matti Vaittinen <matti.vaittinen@fi.rohmeurope.com> Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com>
2020-05-10power: supply: bd70528: use linear rangesMatti Vaittinen2-89/+56
Change the bd70528 to use common linear_range code instead of implementing a copy of it in this driver. Signed-off-by: Matti Vaittinen <matti.vaittinen@fi.rohmeurope.com> Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com>
2020-05-10Merge tag 'tags/linear-ranges-lib' into psy-nextSebastian Reichel1-5/+5
lib: Add linear ranges helper library and start using it Series extracts a "linear ranges" helper out of the regulator framework. Linear ranges helper is intended to help converting real-world values to register values when conversion is linear. I suspect this is useful also for power subsystem and possibly for clk. Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com>
2020-05-10power: reset: ltc2952: remove unused variableHongbo Yao1-2/+1
Fix gcc '-Wunused-but-set-variable' warning: drivers/power/reset/ltc2952-poweroff.c:97:16: warning: variable ‘overruns’ set but not used [-Wunused-but-set-variable] unsigned long overruns; Reported-by: Hulk Robot <hulkci@huawei.com> Signed-off-by: Hongbo Yao <yaohongbo@huawei.com> Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com>
2020-05-10power: supply: lp8788: Fix an error handling path in 'lp8788_charger_probe()'Christophe JAILLET1-16/+2
In the probe function, in case of error, resources allocated in 'lp8788_setup_adc_channel()' must be released. This can be achieved easily by using the devm_ variant of 'iio_channel_get()'. This has the extra benefit to simplify the remove function and to axe the 'lp8788_release_adc_channel()' function which is now useless. Fixes: 98a276649358 ("power_supply: Add new lp8788 charger driver") Signed-off-by: Christophe JAILLET <christophe.jaillet@wanadoo.fr> Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com>
2020-05-09power: supply: cw2015: Make some symbols staticChenTao1-2/+2
Fix the following warning: drivers/power/supply/cw2015_battery.c:96:5: warning: 'cw_update_profile' was not declared. Should it be static? drivers/power/supply/cw2015_battery.c:712:1: warning: 'cw_bat_pm_ops' was not declared. Should it be static? Reported-by: Hulk Robot <hulkci@huawei.com> Signed-off-by: ChenTao <chentao107@huawei.com> Acked-by: Tobias Schramm <t.schramm@manjaro.org> Tested-by: Tobias Schramm <t.schramm@manjaro.org> Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com>
2020-05-09power: bq25890: unlock on error paths in bq25890_resume()Dan Carpenter1-3/+4
We introduced some new locking here, but need to update the error paths so they unlock before returning. Fixes: 72d9cd9cdc18 ("power: bq25890: protect view of the chip's state") Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com> Reviewed-by: Michał Mirosław <mirq-linux@rere.qmqm.pl> Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com>
2020-05-08power: supply: bd70528: rename linear_range to avoid collisionMatti Vaittinen1-5/+5
Follow-up patches in this series will add a generic struct linear_range. Rename bd70528 internal struct to avoid collision. Signed-off-by: Matti Vaittinen <matti.vaittinen@fi.rohmeurope.com> Reviewed-by: Sebastian Reichel <sebastian.reichel@collabora.com> Link: https://lore.kernel.org/r/286b1ae0adc1c08e7b644cbdc1a43eb2e0644647.1588944082.git.matti.vaittinen@fi.rohmeurope.com Signed-off-by: Mark Brown <broonie@kernel.org>
2020-05-07power: supply: core: Add type property to uevent envMathew King1-24/+37
Add POWER_SUPPLY_TYPE to the uevent env for power supply. Type is a property of all power supplies and there is a sysfs entry for it but it is not included in the properties array of the power supply so explicitly add it to the udev env. Signed-off-by: Mathew King <mathewk@chromium.org> Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com>
2020-05-07power: supply: core: Add a macro that maps enum properties to text valuesMathew King1-74/+50
Reduce the number of touch points to add a new enum property to the power_supply class by mapping the array of text values to the device attribute descriptor. A new enum property can now added by creating an array with the text values named POWER_SUPPLY_${PROPNAME}_TEXT and adding POWER_SUPPLY_ENUM_ATTR(${PROPNAME}) to the power_supply_attrs array. Signed-off-by: Mathew King <mathewk@chromium.org> Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com>
2020-05-07power: supply: core: Use designated initializer for property text arraysMathew King1-14/+60
Use designated initializers for the sysfs power supply text values. This will help ensure that the text values are kept in sync with the enum values from power_supply.h. Signed-off-by: Mathew King <mathewk@chromium.org> Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com>
2020-05-07power: supply: core: Cleanup power supply sysfs attribute listMathew King1-128/+132
Make the device attribute list used to create sysfs attributes more robust by decoupling the list order from order of the enum defined in power_supply.h. This is done by using a designated initializer in the POWER_SUPPLY_ATTR macro. Signed-off-by: Mathew King <mathewk@chromium.org> Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com>
2020-05-03power: bq25890: protect view of the chip's stateMichał Mirosław1-56/+26
Extend bq->lock over whole updating of the chip's state. Might get useful later for switching ADC modes correctly. Signed-off-by: Michał Mirosław <mirq-linux@rere.qmqm.pl> Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com>
2020-05-03power: bq25890: remove redundant I2C bus checkMichał Mirosław1-6/+0
regmap initialization will check I2C adapter functionality. Remove redundant check in the driver. Signed-off-by: Michał Mirosław <mirq-linux@rere.qmqm.pl> Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com>
2020-05-03power: bq25890: make property table constMichał Mirosław1-1/+1
Property list should not change, so mark it const. Signed-off-by: Michał Mirosław <mirq-linux@rere.qmqm.pl> Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com>
2020-05-03power: bq25890: simplify chip name property getterMichał Mirosław1-11/+8
Driver rejects unknown chips early in the probe(), so when bq25890_power_supply_get_property() is made reachable, bq->chip_version will already be set to correct value - there is no need to check it again. Signed-off-by: Michał Mirosław <mirq-linux@rere.qmqm.pl> Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com>
2020-05-03power: supply: add CellWise cw2015 fuel gauge driverTobias Schramm3-0/+761
This patch adds a driver for the CellWise cw2015 fuel gauge. The CellWise cw2015 is a shuntless, single-cell Li-Ion fuel gauge used in the pine64 Pinebook Pro laptop and some Raspberry Pi UPS HATs. Signed-off-by: Tobias Schramm <t.schramm@manjaro.org> Reviewed-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com> Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com>
2020-05-03power: supply: core: fix memory leak in HWMON error pathQiushi Wu1-1/+1
In function power_supply_add_hwmon_sysfs(), psyhw->props is allocated by bitmap_zalloc(). But this pointer is not deallocated when devm_add_action fail, which lead to a memory leak bug. To fix this, we replace devm_add_action with devm_add_action_or_reset. Cc: stable@kernel.org Fixes: e67d4dfc9ff19 ("power: supply: Add HWMON compatibility layer") Signed-off-by: Qiushi Wu <wu000273@umn.edu> Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com>
2020-05-01power: supply: core: tabularize HWMON temperature labelsMichał Mirosław1-1/+19
Rework power_supply_hwmon_read_string() to check it's parameters. This allows to extend it later with labels for other types of measurements. Signed-off-by: Michał Mirosław <mirq-linux@rere.qmqm.pl> Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com>
2020-05-01power: charger-manager: clarify num_properties starting valueMichał Mirosław1-1/+1
Initialize num_properties with length of the copied array instead of relying on previously memcpy'd value. This makes it clear how the array and the counter are related. Signed-off-by: Michał Mirosław <mirq-linux@rere.qmqm.pl> Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com>
2020-05-01power: supply: core: hide unused HWMON labelsMichał Mirosław1-3/+39
Currently HWMON emulation shows all labels (temp and ambient temp) regardless if power supply supports reading the values. Check that at least one property is enabled for each label. Signed-off-by: Michał Mirosław <mirq-linux@rere.qmqm.pl> Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com>
2020-05-01power: supply: core: fix HWMON temperature labelsMichał Mirosław1-1/+1
tempX_label files are swapped compared to what power_supply_hwmon_temp_to_property() uses. Make them match. Cc: stable@vger.kernel.org Fixes: e67d4dfc9ff1 ("power: supply: Add HWMON compatibility layer") Signed-off-by: Michał Mirosław <mirq-linux@rere.qmqm.pl> Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com>
2020-05-01power: supply: generic-adc-battery: Prepare for const propertiesSebastian Reichel1-11/+11
This prepares the driver to work with the properties entry in power_supply_desc marked as const. Reviewed-by: Enric Balletbo i Serra <enric.balletbo@collabora.com> Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com>
2020-05-01power: supply: charger-manager: Prepare for const propertiesSebastian Reichel1-18/+22
This prepares the driver to work with the properties entry in power_supply_desc marked as const. Reviewed-by: Enric Balletbo i Serra <enric.balletbo@collabora.com> Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com>
2020-05-01power: supply: core: reduce power_supply_show_usb_type() parametersMichał Mirosław1-6/+4
Reduce power_supply_show_usb_type() parameter count by folding power_supply_desc dereference into the function. This makes following patch making usb_types const easier. Signed-off-by: Michał Mirosław <mirq-linux@rere.qmqm.pl> Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com>
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