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git://git.kernel.org/pub/scm/linux/kernel/git/sre/linux-power-supply
Pull power supply and reset updates from Sebastian Reichel:
"Power-supply core:
- new charging_orange_full_green RGB LED trigger
- simplify and cleanup power-supply LED trigger code
- expose power information via hwmon compatibility layer
New hardware support:
- enable battery support for Qualcomm Snapdragon X Elite
- new battery driver for Maxim MAX17201/MAX17205
- new battery driver for Lenovo Yoga C630 laptop (custom EC)
Cleanups:
- cleanup 'struct i2c_device_id' initializations
- misc small battery driver cleanups and fixes"
* tag 'for-v6.11' of git://git.kernel.org/pub/scm/linux/kernel/git/sre/linux-power-supply:
power: supply: sysfs: use power_supply_property_is_writeable()
power: supply: qcom_battmgr: Enable battery support on x1e80100
power: supply: add support for MAX1720x standalone fuel gauge
dt-bindings: power: supply: add support for MAX17201/MAX17205 fuel gauge
power: reset: piix4: add missing MODULE_DESCRIPTION() macro
power: supply: samsung-sdi-battery: Constify struct power_supply_maintenance_charge_table
power: supply: samsung-sdi-battery: Constify struct power_supply_vbat_ri_table
power: supply: lenovo_yoga_c630_battery: add Lenovo C630 driver
power: supply: ingenic: Fix some error handling paths in ingenic_battery_get_property()
power: supply: ab8500: Clean some error messages
power: supply: ab8500: Use iio_read_channel_processed_scale()
power: supply: ab8500: Fix error handling when calling iio_read_channel_processed()
power: supply: hwmon: Add support for power sensors
power: supply: ab8500: remove unused struct 'inst_curr_result_list'
power: supply: bd99954: remove unused struct 'battery_data'
power: supply: leds: Add activate() callback to triggers
power: supply: leds: Share trig pointer for online and charging_full
power: supply: leds: Add power_supply_[un]register_led_trigger()
power: supply: Drop explicit initialization of struct i2c_device_id::driver_data to 0
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The MAX17201 monitors a single cell pack. The MAX17205 monitors and
balances a 2S or 3S pack or monitors a multiple-series cell pack. Both
devices use a I2C interface.
Signed-off-by: Dimitri Fedrau <dima.fedrau@gmail.com>
Link: https://lore.kernel.org/r/20240702090308.8848-3-dima.fedrau@gmail.com
Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com>
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The ChromeOS Embedded Controller implements a command to control charge
thresholds and behaviour.
Use it to implement the standard Linux charge_control_start_threshold,
charge_control_end_threshold and charge_behaviour sysfs UAPIs.
The driver is designed to be probed via the cros_ec mfd device.
Acked-by: Sebastian Reichel <sebastian.reichel@collabora.com>
Signed-off-by: Thomas Weißschuh <linux@weissschuh.net>
Link: https://lore.kernel.org/r/20240630-cros_ec-charge-control-v5-4-8f649d018c52@weissschuh.net
Signed-off-by: Tzung-Bi Shih <tzungbi@kernel.org>
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On the Lenovo Yoga C630 WOS laptop the EC provides access to the adapter
and battery status. Add the driver to read power supply status on the
laptop.
Reviewed-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Link: https://lore.kernel.org/r/20240621-yoga-ec-driver-v8-1-daae67d0233d@linaro.org
Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com>
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The driver uses regmap APIs so it should make sure they are available.
Fixes: c75f4bf6800b ("power: supply: Introduce MM8013 fuel gauge driver")
Cc: <stable@vger.kernel.org>
Signed-off-by: Thomas Weißschuh <linux@weissschuh.net>
Reviewed-by: Konrad Dybcio <konrad.dybcio@linaro.org>
Link: https://lore.kernel.org/r/20240204-mm8013-regmap-v1-1-7cc6b619b7d3@weissschuh.net
Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com>
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Merge power-supply fixes for the 6.6 cycle, so that changes
to the vexpress driver apply cleanly.
Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com>
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When CONFIG_EXTCON=m and CONFIG_CHARGER_PM8916_LBC=y, there are
build errors. Fix them by having CHARGER_PM8916_LBC depend on the
setting of EXTCON.
aarch64-linux-ld: drivers/power/supply/pm8916_lbc.o: in function `pm8916_lbc_charger_state_changed_irq':
pm8916_lbc.c:(.text+0xe8): undefined reference to `extcon_set_state_sync'
aarch64-linux-ld: drivers/power/supply/pm8916_lbc.o: in function `pm8916_lbc_charger_probe':
pm8916_lbc.c:(.text+0x638): undefined reference to `devm_extcon_dev_allocate'
aarch64-linux-ld: pm8916_lbc.c:(.text+0x650): undefined reference to `devm_extcon_dev_register'
aarch64-linux-ld: pm8916_lbc.c:(.text+0x688): undefined reference to `extcon_set_state_sync'
Fixes: f8d7a3d21160 ("power: supply: Add driver for pm8916 lbc")
Signed-off-by: Randy Dunlap <rdunlap@infradead.org>
Cc: Nikita Travkin <nikita@trvn.ru>
Cc: Sebastian Reichel <sre@kernel.org>
Cc: linux-pm@vger.kernel.org
Link: https://lore.kernel.org/r/20230918205825.25864-1-rdunlap@infradead.org
Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com>
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pm8916 LBC is a Linear Battery Charger hardware block in pm8916 PMIC.
This block implements simple CC/CV charging for Li-Po batteries.
The hardware has internal state machine to switch between modes and
works mostly autonomously, only needing the limits and targets to be
set to operate.
This driver allows setting limits and enabling the LBC block, monitoring
it's state.
Signed-off-by: Nikita Travkin <nikita@trvn.ru>
Link: https://lore.kernel.org/r/20230915-pm8916-bms-lbc-v3-4-f30881e951a0@trvn.ru
Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com>
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This driver adds basic support for VM-BMS found in pm8916.
VM-BMS is a very basic fuel-gauge hardware block that is, sadly,
incapable of any gauging. The hardware supports measuring OCV in
sleep mode, where the battery is not in use, or measuring average
voltage over time when the device is active.
This driver implements basic value readout from this block.
Signed-off-by: Nikita Travkin <nikita@trvn.ru>
Link: https://lore.kernel.org/r/20230915-pm8916-bms-lbc-v3-3-f30881e951a0@trvn.ru
Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com>
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Add a driver for the Mitsumi MM8013 fuel gauge. The driver is a vastly
cleaned up and improved version of the one that shipped in some obscure
Lenovo downstream kernel [1], with some register definitions borrowed from
ChromeOS EC platform code [2].
[1] https://github.com/adazem009/kernel_lenovo_bengal/commit/b6b346427a871715709bd22aae449b9383f3b66b
[2] https://chromium.googlesource.com/chromiumos/platform/ec/+/master/driver/battery/mm8013.h
Signed-off-by: Konrad Dybcio <konrad.dybcio@linaro.org>
Link: https://lore.kernel.org/r/20230621-topic-mm8013-v4-3-975aecd173ed@linaro.org
Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com>
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Since fuel gauge does not support thermal monitoring,
some vendors may couple this fuel gauge with thermal/adc
sensor to monitor battery cell exact temperature.
Add this feature by adding optional iio thermal channel.
Signed-off-by: Svyatoslav Ryhel <clamor95@gmail.com>
Reviewed-by: Iskren Chernev <me@iskren.info>
Link: https://lore.kernel.org/r/20230731073613.10394-4-clamor95@gmail.com
Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com>
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CHARGER_RT5033 should honor the EXTCON setting to prevent these
build errors:
riscv64-linux-ld: drivers/power/supply/rt5033_charger.o: in function `.L33':
rt5033_charger.c:(.text.rt5033_charger_probe+0x578): undefined reference to `extcon_find_edev_by_node'
riscv64-linux-ld: drivers/power/supply/rt5033_charger.o: in function `.L0 ':
rt5033_charger.c:(.text.rt5033_charger_probe+0x64e): undefined reference to `devm_extcon_register_notifier_all'
riscv64-linux-ld: drivers/power/supply/rt5033_charger.o: in function `.L96':
rt5033_charger.c:(.text.rt5033_charger_extcon_work+0x32): undefined reference to `extcon_get_state'
Fixes: 12cc585f36b8 ("power: supply: rt5033_charger: Add cable detection and USB OTG supply")
Signed-off-by: Randy Dunlap <rdunlap@infradead.org>
Cc: Jakob Hauser <jahau@rocketmail.com>
Cc: Sebastian Reichel <sre@kernel.org>
Cc: Lee Jones <lee@kernel.org>
Cc: linux-pm@vger.kernel.org
Link: https://lore.kernel.org/r/20230828224201.26823-1-rdunlap@infradead.org
Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com>
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git://git.kernel.org/pub/scm/linux/kernel/git/sre/linux-power-supply
Pull power supply and reset updates from Sebastian Reichel:
- Add new Qualcomm PMI8998/PM660 SMB2 charger
- bq256xx: support systems without thermistors
- cros_pchg: fix peripheral device status after system resume
- axp20x_usb_power: add support for AXP192
- qcom-pon: add support for pm8941
- at91-reset: prepare to expose reset reason to sysfs
- switch all I2C drivers back to use .probe instead of .probe_new
- convert some more DT bindings to YAML
- misc cleanups
* tag 'for-v6.5' of git://git.kernel.org/pub/scm/linux/kernel/git/sre/linux-power-supply: (28 commits)
MAINTAINERS: add documentation file for Microchip SAMA5D2 shutdown controller
dt-bindings: power: reset: atmel,sama5d2-shdwc: convert to yaml
dt-bindings: power: reset: atmel,at91sam9260-shdwc: convert to yaml
power: reset: at91-reset: change the power on reason prototype
power: reset: qcom-pon: add support for pm8941-pon
dt-bindings: power: reset: qcom-pon: define pm8941-pon
power: supply: add Qualcomm PMI8998 SMB2 Charger driver
dt-bindings: power: supply: qcom,pmi8998-charger: add bindings for smb2 driver
power: supply: rt9467: Make charger-enable control as logic level
power: supply: Switch i2c drivers back to use .probe()
power: reset: add HAS_IOPORT dependencies
dt-bindings: power: supply: axp20x: Add AXP192 compatible
power: supply: axp20x_usb_power: Add support for AXP192
power: supply: axp20x_usb_power: Remove variant IDs from VBUS polling check
power: supply: axp20x_usb_power: Use regmap field for VBUS disabling
power: supply: axp20x_usb_power: Use regmap fields for USB BC feature
power: supply: axp20x_usb_power: Use regmap fields for VBUS monitor feature
power: supply: axp20x_usb_power: Simplify USB current limit handling
power: supply: hwmon: constify pointers to hwmon_channel_info
power: supply: twl4030_madc_battery: Refactor twl4030_madc_bat_ext_changed()
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'ib-mfd-tps6594-core-6.5', 'ib-mfd-regulator-max5970-6.5', 'ib-mfd-regulator-6.5' and 'ib-mfd-power-6.5' into ibs-for-mfd-merged
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Add a driver for the SMB2 charger block found in the Qualcomm PMI8998
and PM660.
This driver is capable of utilising Qualcomm's Automatic Power Source
Detection (APSD) BC1.2 implementation, as well as Automatic Input
Current Limiting (AICL) to configure the maximum input current
limit of DCP (wall) chargers.
Quick Charge is not currently supported.
Most devices using the smb2 charger have a secondary dedicated charger
chip which is used in parallel to enable faster charger without
overheating. However, not all do, as a result to ensure safety until
these are supported, the maximum current is limited to ~1A via the
FAST_CHARGE_CURRENT_CFG register.
Signed-off-by: Caleb Connolly <caleb.connolly@linaro.org>
Tested-by: Joel Selvaraj <joelselvaraj.oss@gmail.com>
Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com>
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This patch adds device driver of Richtek RT5033 PMIC. The driver supports
switching charger. rt5033 charger provides three charging modes. The charging
modes are pre-charge mode, fast charge mode and constant voltage mode. They
vary in charge rate, the charge parameters can be controlled by i2c interface.
Tested-by: Raymond Hackley <raymondhackley@protonmail.com>
Signed-off-by: Jakob Hauser <jahau@rocketmail.com>
Reviewed-by: Linus Walleij <linus.walleij@linaro.org>
Acked-by: Sebastian Reichel <sebastian.reichel@collabora.com>
Signed-off-by: Lee Jones <lee@kernel.org>
Link: https://lore.kernel.org/r/9556d4ebb30fd321e37aa0eb343554122e4720c9.1684182964.git.jahau@rocketmail.com
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Split rk808 into a core and an i2c part in preparation for
SPI support.
Acked-by: Alexandre Belloni <alexandre.belloni@bootlin.com> # for RTC
Tested-by: Diederik de Haas <didi.debian@cknow.org> # Rock64, Quartz64 Model A + B
Tested-by: Vincent Legoll <vincent.legoll@gmail.com> # Pine64 QuartzPro64
Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com>
Link: https://lore.kernel.org/r/20230504173618.142075-6-sebastian.reichel@collabora.com
Signed-off-by: Lee Jones <lee@kernel.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc
Pull ARM SoC driver updates from Arnd Bergmann:
"As usual, there are lots of minor driver changes across SoC platforms
from NXP, Amlogic, AMD Zynq, Mediatek, Qualcomm, Apple and Samsung.
These usually add support for additional chip variations in existing
drivers, but also add features or bugfixes.
The SCMI firmware subsystem gains a unified raw userspace interface
through debugfs, which can be used for validation purposes.
Newly added drivers include:
- New power management drivers for StarFive JH7110, Allwinner D1 and
Renesas RZ/V2M
- A driver for Qualcomm battery and power supply status
- A SoC device driver for identifying Nuvoton WPCM450 chips
- A regulator coupler driver for Mediatek MT81xxv"
* tag 'soc-drivers-6.3' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc: (165 commits)
power: supply: Introduce Qualcomm PMIC GLINK power supply
soc: apple: rtkit: Do not copy the reg state structure to the stack
soc: sunxi: SUN20I_PPU should depend on PM
memory: renesas-rpc-if: Remove redundant division of dummy
soc: qcom: socinfo: Add IDs for IPQ5332 and its variant
dt-bindings: arm: qcom,ids: Add IDs for IPQ5332 and its variant
dt-bindings: power: qcom,rpmpd: add RPMH_REGULATOR_LEVEL_LOW_SVS_L1
firmware: qcom_scm: Move qcom_scm.h to include/linux/firmware/qcom/
MAINTAINERS: Update qcom CPR maintainer entry
dt-bindings: firmware: document Qualcomm SM8550 SCM
dt-bindings: firmware: qcom,scm: add qcom,scm-sa8775p compatible
soc: qcom: socinfo: Add Soc IDs for IPQ8064 and variants
dt-bindings: arm: qcom,ids: Add Soc IDs for IPQ8064 and variants
soc: qcom: socinfo: Add support for new field in revision 17
soc: qcom: smd-rpm: Add IPQ9574 compatible
soc: qcom: pmic_glink: remove redundant calculation of svid
soc: qcom: stats: Populate all subsystem debugfs files
dt-bindings: soc: qcom,rpmh-rsc: Update to allow for generic nodes
soc: qcom: pmic_glink: add CONFIG_NET/CONFIG_OF dependencies
soc: qcom: pmic_glink: Introduce altmode support
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git://git.kernel.org/pub/scm/linux/kernel/git/sre/linux-power-supply
Pull power supply and reset updates from Sebastian Reichel:
"Nothing special for the power-supply subystem this time.
- power-supply core: remove faulty cooling logic
- convert all sysfs show() handlers from *printf() use sysfs_emit()
- bq25890: add dual-charger support required by Lenovo Yoga Tab 3 Pro
- bq27xxx: fix reporting critical level
- syscon-reboot: add priority property support
- new rt9467 charger driver
- new rt9471 charger driver
- new Odroid Go Ultra poweroff driver
- misc minor fixes and cleanups"
* tag 'for-v6.3' of git://git.kernel.org/pub/scm/linux/kernel/git/sre/linux-power-supply: (32 commits)
power: reset: odroid-go-ultra: fix I2C dependency
power: supply: leds: explicitly include linux/leds.h
dt-bindings: power: supply: pm8941-coincell: Don't require charging properties
dt-bindings: power: supply: pm8941-coincell: Add PM8998 compatible
power: reset: add Odroid Go Ultra poweroff driver
power: supply: rt9467: Fix spelling mistake "attache" -> "attach"
power: supply: rt9471: fix using wrong ce_gpio in rt9471_probe()
power: supply: max77650: Make max77650_charger_disable() return void
Documentation: power: rt9467: Document exported sysfs entries
power: supply: rt9467: Add Richtek RT9467 charger driver
dt-bindings: power: supply: Add Richtek RT9467 battery charger
Documentation: power: rt9471: Document exported sysfs entries
power: supply: rt9471: Add Richtek RT9471 charger driver
dt-bindings: power: supply: Add Richtek RT9471 battery charger
power: supply: max1721x: Use strscpy() is more robust and safer
power: supply: test-power: use strscpy() instead of strncpy()
power: supply: bq27xxx: fix reporting critical level
power: supply: bq256xx: Init ichg/vbat value with chip default value
power: supply: collie_battery: Convert to GPIO descriptors (part 2)
power: supply: remove faulty cooling logic
...
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The PMIC GLINK service, running on a coprocessor of modern Qualcomm
platforms, deals with battery charging and fuel gauging, as well as
reporting status of AC and wireless power supplies.
As this is just one of the functionalities provided by the PMIC GLINK
service, this power supply driver is implemented as an auxilirary bus
driver, spawned by the main "pmic glink" driver when the PMIC GLINK
service is detected.
Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Tested-by: Konrad Dybcio <konrad.dybcio@linaro.org> # SM8350 PDX215
Reviewed-by: Neil Armstrong <neil.armstrong@linaro.org>
Tested-by: Neil Armstrong <neil.armstrong@linaro.org> # on SM8550-MTP & SM8450-HDK
Signed-off-by: Bjorn Andersson <quic_bjorande@quicinc.com>
Acked-by: Sebastian Reichel <sebastian.reichel@collabora.com>
Signed-off-by: Bjorn Andersson <andersson@kernel.org>
Link: https://lore.kernel.org/r/20230207144241.1767973-1-quic_bjorande@quicinc.com
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RT9467 is a switch-mode single cell Li-Ion/Li-Polymer battery charger
for portable applications.
It integrates a synchronous PWM controller, power MOSFETs,
input current sensing and regulation, high-accuracy voltage regulation,
and charge termination. The charge current is regulated through
integrated sensing resistors.
The RT9467 also features USB On-The-Go (OTG) support. It also integrates
D+/D- pin for USB host/charging port detection.
Co-developed-by: ChiYuan Huang <cy_huang@richtek.com>
Signed-off-by: ChiYuan Huang <cy_huang@richtek.com>
Signed-off-by: ChiaEn Wu <chiaen_wu@richtek.com>
Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com>
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Add support for the RT9471 3A 1-Cell Li+ battery charger.
The RT9471 is a highly-integrated 3A switch mode battery charger with
low impedance power path to better optimize the charging efficiency.
Co-developed-by: Alina Yu <alina_yu@richtek.com>
Signed-off-by: Alina Yu <alina_yu@richtek.com>
Signed-off-by: ChiYuan Huang <cy_huang@richtek.com>
Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com>
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This driver was used for a couple of Intel PXA and Samsung S3C24xx
based PDAs, but all of those are now removed from the kernel, so
the driver itself is no longer useful.
Cc: Anton Vorontsov <cbou@mail.ru>
Cc: linux-pm@vger.kernel.org
Acked-by: Sebastian Reichel <sebastian.reichel@collabora.com>
Acked-by: Robert Jarzmik <robert.jarzmik@free.fr>
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
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The PXA tosa machine is removed, so this driver is no longer
in use.
Cc: linux-pm@vger.kernel.org
Acked-by: Sebastian Reichel <sebastian.reichel@collabora.com>
Acked-by: Robert Jarzmik <robert.jarzmik@free.fr>
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
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The PXA z2 platform is gone, and this driver is now orphaned.
Cc: linux-pm@vger.kernel.org
Cc: Peter Edwards <sweetlilmre@gmail.com>
Acked-by: Sebastian Reichel <sebastian.reichel@collabora.com>
Acked-by: Robert Jarzmik <robert.jarzmik@free.fr>
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
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The s3c-adc driver is removed along with the s3c24xx platform,
so the battery driver is no longer needed either.
Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Acked-by: Sebastian Reichel <sebastian.reichel@collabora.com>
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
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git://git.kernel.org/pub/scm/linux/kernel/git/sre/linux-power-supply
Pull power supply and reset updates from Sebastian Reichel:
- new maintenance charging documentation
- mt6370: new charger driver
- bq25890: support input current limit
- added Qualcomm PMK8350 PON support
- misc minor fixes
* tag 'for-v6.1' of git://git.kernel.org/pub/scm/linux/kernel/git/sre/linux-power-supply: (22 commits)
power: supply: ab8500: remove unused static local variable
power: supply: mt6370: Fix return value check in mt6370_chg_probe()
power: supply: ab8500: Remove unused struct ab8500_chargalg_sysfs_entry
power: supply: mt6370: uses IIO interfaces, depends on IIO
power: supply: max1721x: Fix spelling mistake "Gauage" -> "Gauge"
power: supply: mt6370: Add MediaTek MT6370 charger driver
dt-bindings: power: supply: Add MediaTek MT6370 Charger
lib: add linear range index macro
power: supply: bq25890: Fix enum conversion in bq25890_power_supply_set_property()
power: supply: bq27xxx: fix NULL vs 0 warnings
power: supply: bq27xxx: fix __be16 warnings
power: supply: bq25890: Add support for setting IINLIM
power: supply: bq25890: Disable PUMPX_EN on errors
power: supply: Fix repeated word in comments
power: supply: adp5061: show unknown capacity_level as text
power: supply: adp5061: fix out-of-bounds read in adp5061_get_chg_type()
power: supply: tps65217: Fix comments typo
power: reset: qcom-pon: add support for qcom,pmk8350-pon compatible string
dt-bindings: power: reset: qcom-pon: Add new compatible "qcom,pmk8350-pon"
power: supply: cw2015: Use device managed API to simplify the code
...
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The mt6370-charger driver uses IIO interfaces and produces build
errors when CONFIG_IIO is not set, so it should depend on IIO.
ERROR: modpost: "iio_read_channel_processed" [drivers/power/supply/mt6370-charger.ko] undefined!
ERROR: modpost: "devm_iio_channel_get_all" [drivers/power/supply/mt6370-charger.ko] undefined!
Fixes: 233cb8a47d65 ("power: supply: mt6370: Add MediaTek MT6370 charger driver")
Signed-off-by: Randy Dunlap <rdunlap@infradead.org>
Cc: ChiaEn Wu <chiaen_wu@richtek.com>
Cc: Sebastian Reichel <sebastian.reichel@collabora.com>
Cc: linux-pm@vger.kernel.org
Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com>
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Add support for the Rockchip rk817 battery charger integrated into the
rk817 PMIC.
Signed-off-by: Chris Morgan <macromorgan@hotmail.com>
Signed-off-by: Maya Matuszczyk <maccraft123mc@gmail.com>
Acked-by: Sebastian Reichel <sebastian.reichel@collabora.com>
Signed-off-by: Lee Jones <lee@kernel.org>
Link: https://lore.kernel.org/r/20220827021623.23829-4-macroalpha82@gmail.com
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MediaTek MT6370 is a SubPMIC consisting of a single cell battery charger
with ADC monitoring, RGB LEDs, dual channel flashlight, WLED backlight
driver, display bias voltage supply, one general purpose LDO, and the
USB Type-C & PD controller complies with the latest USB Type-C and PD
standards.
Add support for the MediaTek MT6370 Charger driver. The charger module
of MT6370 supports High-Accuracy Voltage/Current Regulation,
Average Input Current Regulation, Battery Temperature Sensing,
Over-Temperature Protection, DPDM Detection for BC1.2.
Reviewed-by: Andy Shevchenko <andy.shevchenko@gmail.com>
Signed-off-by: ChiaEn Wu <chiaen_wu@richtek.com>
Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com>
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This driver supports several chip variants which all share the same I2C
register interface. Since the chip will turn off and become inaccessible
under conditions outside of software control (e.g. upon button press or
input voltage removal), some special handling is needed to delay the
initialization of the IC until it is accessible.
Signed-off-by: Samuel Holland <samuel@sholland.org>
Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com>
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If we detect a Samsung SDI battery, we return a static
struct power_supply_battery_info and avoid looking further.
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com>
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Normally the native AXP288 fg/charger drivers are preferred but one some
devices the ACPI drivers should be used instead.
The ACPI battery/ac drivers use the acpi_quirk_skip_acpi_ac_and_battery()
helper to determine if they should skip loading because native fuel-gauge/
charger drivers like the AXP288 drivers will be used.
The new acpi_quirk_skip_acpi_ac_and_battery() helper includes a list of
exceptions for boards where the ACPI drivers should be used instead.
Use this new helper to avoid loading on such boards. Note this requires
adding a Kconfig dependency on ACPI, this is not a problem because ACPI
should be enabled on all boards with an AXP288 PMIC anyways.
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com>
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Normally the native AXP288 fg/charger drivers are preferred but one some
devices the ACPI drivers should be used instead.
The ACPI battery/ac drivers use the acpi_quirk_skip_acpi_ac_and_battery()
helper to determine if they should skip loading because native fuel-gauge/
charger drivers like the AXP288 drivers will be used.
The new acpi_quirk_skip_acpi_ac_and_battery() helper includes a list of
exceptions for boards where the ACPI drivers should be used instead.
Use this new helper to avoid loading on such boards. Note this requires
adding a Kconfig dependency on ACPI, this is not a problem because ACPI
should be enabled on all boards with an AXP288 PMIC anyways.
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com>
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Instead of providing our own homebrewn thermal measurement
code for an NTC and passing tables, we put the NTC thermistor
into the device tree, create a passive thermal zone, and poll
this thermal zone for the temperature.
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com>
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Add a new battery driver for the uPI uG3105 battery monitor.
Note the uG3105 is not a full-featured autonomous fuel-gauge. Instead it
is expected to be use in combination with some always on microcontroller
reading its coulomb-counter before it can wrap (must be read every 400
seconds!).
Since Linux does not monitor coulomb-counter changes while the device is
off or suspended, the coulomb counter is not used atm.
So far this driver is only used on x86/ACPI (non devicetree) devs
(also note there is no of_match table). Therefor there is no devicetree
bindings documentation for this driver's "upisemi,rsns-microohm" property
since this is not used in actual devicetree files and the dt bindings
maintainers have requested properties with no actual dt users to
_not_ be added to the dt bindings.
The property's name has been chosen so that it should not need to be
changed if/when devicetree enumeration support gets added later, as it
mirrors "maxim,rsns-microohm" from the "maxim,max17042" bindings.
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com>
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Add support for the MAX77976 3.5/5.5A 1-Cell Li+ Battery Charger.
This is a simple implementation enough to be used as a simple battery
charger without OTG and boost.
Signed-off-by: Luca Ceresoli <luca@lucaceresoli.net>
Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com>
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Add "depends on IOSF_MBI" to CONFIG_AXP288_CHARGER as the changes from
commit ed229454856e ("power: supply: axp288-charger: Optimize register
reading method") use symbols which are only defined when IOSF_MBI support
is enabled.
Depending on this is ok since IOSF_MBI support should always be enabled
on devices which use the AXP288 PMIC.
Fixes: ed229454856e ("power: supply: axp288-charger: Optimize register reading method")
Reported-by: kernel test robot <lkp@intel.com>
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com>
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Reorganize the Kconfig driver description and mention all supported
models. This helps when choosing drivers for given system.
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@canonical.com>
Reviewed-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com>
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Reorganize the Kconfig driver description and mention all supported
models. This helps when choosing drivers for given system.
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@canonical.com>
Reviewed-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com>
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SMB347 can supply power to USB VBUS, implement the USB VBUS regulator.
USB VBUS needs to be powered for switching OTG-cable USB port into host
mode.
Signed-off-by: Dmitry Osipenko <digetx@gmail.com>
Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com>
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Immutable branch between regulator and power-supply for for 5.15
This immutable branch introduces the MT6360 charger driver,
which requires a new linear range helper.
Signed-off-by: Sebastian Reichel <sre@kernel.org>
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Read voltage_now via IIO and provide the property.
Signed-off-by: Andreas Kemnade <andreas@kemnade.info>
Reported-by: kernel test robot <lkp@intel.com> # missing depends on IIO
Acked-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com>
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Add basic support for the battery charger for MT6360 PMIC
Signed-off-by: Gene Chen <gene_chen@richtek.com>
Reviewed-by: Matti Vaittinen <matti.vaittinen@fi.rohmeurope.com>
Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com>
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The I2C-bus to the XPower AXP288 is shared between the Linux kernel and
the SoCs P-Unit. The P-Unit has a semaphore which the kernel must "lock"
before it may use the bus and while the kernel holds the semaphore the CPU
and GPU power-states must not be changed otherwise the system will freeze.
This is a complex process, which is quite expensive. This is all done by
iosf_mbi_block_punit_i2c_access(). To ensure that no unguarded I2C-bus
accesses happen, iosf_mbi_block_punit_i2c_access() gets called by the
I2C-bus-driver for every I2C transfer. Because this is so expensive it
is allowed to call iosf_mbi_block_punit_i2c_access() in a nested
fashion, so that higher-level code which does multiple I2C-transfers can
call it once for a group of transfers, turning the calls done by the
I2C-bus-driver into no-ops.
Userspace power-supply API users typically will read all provided
properties in one go, refreshing the last read values when
power_supply_changed() is called by the driver and/or periodically
(e.g. every 2 minutes).
The reading of all properties in one go causes the P-Unit semaphore
to quickly be taken and released multiple times in a row. Certain
PMIC registers like AXP20X_FG_RES are even used in multiple properties
so they get read multiple times, leading to a P-Unit take + release
each time the register is read.
As already mentioned the taking of the P-Unit semaphore is a quite
expensive operation and it has also been reported that the
"hammering" of the P-Unit semaphore done by the axp288_fuel_gauge
driver can even cause stability issues with the system as a whole.
Switch over to a scheme where the axp288_fuel_gauge driver keeps
a local copy of all the registers which it uses for properties
and make it only refresh its copy of the registers if the values
are older then 1 minute; or when a fuel-gauge interrupt has
triggered since the last read.
This not only reduces the amount of reads, it also makes the code
do all the reads in one go, rather then reading specific registers
based on which property is being queried. This allows calling
iosf_mbi_block_punit_i2c_access() once before doing all the reads,
so that we now only take the P-Unit semaphore once per update.
Tested-by: Andrejus Basovas <cpp@gcc.lt>
Signed-off-by: Andrejus Basovas <cpp@gcc.lt>
Co-developed-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com>
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This patch adds a driver for PCHG (Peripheral CHarGer). PCHG is a
framework managing power supplies for peripheral devices.
This driver creates a sysfs node for each peripheral charge port:
/sys/class/power_supply/peripheral<n>
where <n> is the index of a charge port.
For example, when a stylus is connected to a NFC/WLC port, the node
returns:
/sys/class/power_supply/peripheral0/
capacity=50
charge_type=Standard
scope=Device
status=Charging
type=Battery
Signed-off-by: Daisuke Nojiri <dnojiri@chromium.org>
Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com>
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The fuel gauge in the RT5033 PMIC has its own I2C bus and interrupt
line. Therefore, it is not actually part of the RT5033 MFD and needs
its own of_match_table to probe properly.
Also, given that it's independent of the MFD, there is actually
no need to make the Kconfig depend on MFD_RT5033. Although the driver
uses the shared <linux/mfd/rt5033.h> header, there is no compile
or runtime dependency on the RT5033 MFD driver.
Cc: Beomho Seo <beomho.seo@samsung.com>
Cc: Chanwoo Choi <cw00.choi@samsung.com>
Fixes: b847dd96e659 ("power: rt5033_battery: Add RT5033 Fuel gauge device driver")
Signed-off-by: Stephan Gerhold <stephan@gerhold.net>
Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com>
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The only known BD70528 use-cases are such that the PMIC is controlled
from separate MCU which is not running Linux. I am not aware of
any Linux driver users. Furthermore, it seems there is no demand for
this IC. Let's ease the maintenance burden and drop the driver. We can
always add it back if there is sudden need for it.
Signed-off-by: Matti Vaittinen <matti.vaittinen@fi.rohmeurope.com>
Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com>
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On newer Microsoft Surface models (specifically 7th-generation, i.e.
Surface Pro 7, Surface Book 3, Surface Laptop 3, and Surface Laptop Go),
battery and AC status/information is no longer handled via standard ACPI
devices, but instead directly via the Surface System Aggregator Module
(SSAM), i.e. the embedded controller on those devices.
While on previous generation models, AC status is also handled via SSAM,
an ACPI shim was present to translate the standard ACPI AC interface to
SSAM requests. The SSAM interface itself, which is modeled closely after
the ACPI interface, has not changed.
This commit introduces a new SSAM client device driver to support AC
status/information via the aforementioned interface on said Surface
models.
Signed-off-by: Maximilian Luz <luzmaximilian@gmail.com>
Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com>
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On newer Microsoft Surface models (specifically 7th-generation, i.e.
Surface Pro 7, Surface Book 3, Surface Laptop 3, and Surface Laptop Go),
battery and AC status/information is no longer handled via standard ACPI
devices, but instead directly via the Surface System Aggregator Module
(SSAM), i.e. the embedded controller on those devices.
While on previous generation models, battery status is also handled via
SSAM, an ACPI shim was present to translate the standard ACPI battery
interface to SSAM requests. The SSAM interface itself, which is modeled
closely after the ACPI interface, has not changed.
This commit introduces a new SSAM client device driver to support
battery status/information via the aforementioned interface on said
Surface models. It is in parts based on the standard ACPI battery
driver.
Signed-off-by: Maximilian Luz <luzmaximilian@gmail.com>
Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com>
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