linux.git/include/linux/power, branch v7.2-rc1 Linux kernel source tree power: supply: Remove unused jz4740-battery.h 2026-06-03T21:13:32+00:00 Costa Shulyupin costa.shul@redhat.com 2026-05-15T18:50:41+00:00 0549c4c01338abe343a4ffaa4733475d0a85d38a The last user was removed in commit aea12071d6fc ("power/supply: Drop obsolete JZ4740 driver") and replaced by a self-contained IIO-based driver. No file includes this header. Assisted-by: Claude:claude-opus-4-6 Signed-off-by: Costa Shulyupin <costa.shul@redhat.com> Link: https://patch.msgid.link/20260515185043.1523363-1-costa.shul@redhat.com Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com> 
The last user was removed in commit aea12071d6fc
("power/supply: Drop obsolete JZ4740 driver") and replaced by
a self-contained IIO-based driver. No file includes this header.

Assisted-by: Claude:claude-opus-4-6
Signed-off-by: Costa Shulyupin <costa.shul@redhat.com>
Link: https://patch.msgid.link/20260515185043.1523363-1-costa.shul@redhat.com
Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com>
power: supply: max17042_battery: use ModelCfg refresh on max17055 2026-06-03T19:56:01+00:00 Sebastian Krzyszkowiak sebastian.krzyszkowiak@puri.sm 2026-04-06T20:57:55+00:00 b26bc0b97d8d1b7454b7f7ab64f1bda8d1cd4002 Unlike other models, max17055 doesn't require cell characterization data and operates on a smaller set of input variables (`DesignCap`, `VEmpty`, `IChgTerm`, and `ModelCfg`). Those values can be filled in through `max17042_override_por_values()`, but the refresh bit has to be set afterward in order to make them apply. Signed-off-by: Sebastian Krzyszkowiak <sebastian.krzyszkowiak@puri.sm> Signed-off-by: Vincent Cloutier <vincent@cloutier.co> Link: https://patch.msgid.link/20260406205759.493288-8-vincent.cloutier@icloud.com Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com> 
Unlike other models, max17055 doesn't require cell characterization data
and operates on a smaller set of input variables (`DesignCap`, `VEmpty`,
`IChgTerm`, and `ModelCfg`). Those values can be filled in through
`max17042_override_por_values()`, but the refresh bit has to be set
afterward in order to make them apply.

Signed-off-by: Sebastian Krzyszkowiak <sebastian.krzyszkowiak@puri.sm>
Signed-off-by: Vincent Cloutier <vincent@cloutier.co>
Link: https://patch.msgid.link/20260406205759.493288-8-vincent.cloutier@icloud.com
Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com>
power: supply: max17042_battery: Remove unused platform-data plumbing 2026-06-03T19:43:54+00:00 Vincent Cloutier vincent@cloutier.co 2026-04-06T20:57:54+00:00 d0c54c6f9dab20f93185df7722ed133097aaccb3 No in-tree user still provides `max17042_platform_data` or `max17042_reg_data`. Move the simple runtime fields into `struct max17042_chip`, populate them directly from DT or the default hardware state, and drop the unused public platform-data interface. While here, write the MAX17047/MAX17050 default `FullSOCThr` value directly in probe instead of carrying it through an `init_data` table. Signed-off-by: Vincent Cloutier <vincent@cloutier.co> Link: https://patch.msgid.link/20260406205759.493288-7-vincent.cloutier@icloud.com Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com> 
No in-tree user still provides `max17042_platform_data` or
`max17042_reg_data`. Move the simple runtime fields into
`struct max17042_chip`, populate them directly from DT or the default
hardware state, and drop the unused public platform-data interface.

While here, write the MAX17047/MAX17050 default `FullSOCThr` value
directly in probe instead of carrying it through an `init_data` table.

Signed-off-by: Vincent Cloutier <vincent@cloutier.co>
Link: https://patch.msgid.link/20260406205759.493288-7-vincent.cloutier@icloud.com
Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com>
power: supply: max17042: consider task period (max77759) 2026-03-03T22:58:07+00:00 André Draszik andre.draszik@linaro.org 2026-03-02T13:32:09+00:00 83a86e27c34d06ec2dc117fb293e80f78402df49 Several (register) values reported by the fuel gauge depend on its internal task period and it needs to be taken into account when calculating results. All relevant example formulas in the data sheet assume the default task period (of 5760) and final results need to be adjusted based on the task period in effect. Update the code as and where necessary. Reviewed-by: Peter Griffin <peter.griffin@linaro.org> Signed-off-by: André Draszik <andre.draszik@linaro.org> Link: https://patch.msgid.link/20260302-max77759-fg-v3-10-3c5f01dbda23@linaro.org Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com> 
Several (register) values reported by the fuel gauge depend on its
internal task period and it needs to be taken into account when
calculating results. All relevant example formulas in the data sheet
assume the default task period (of 5760) and final results need to be
adjusted based on the task period in effect.

Update the code as and where necessary.

Reviewed-by: Peter Griffin <peter.griffin@linaro.org>
Signed-off-by: André Draszik <andre.draszik@linaro.org>
Link: https://patch.msgid.link/20260302-max77759-fg-v3-10-3c5f01dbda23@linaro.org
Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com>
power: supply: max17042: initial support for Maxim MAX77759 2026-03-03T22:58:07+00:00 André Draszik andre.draszik@linaro.org 2026-03-02T13:32:08+00:00 2864fb6aa947703d290b52b1b030b0b74d0a6128 The Maxim MAX77759 is a companion PMIC intended for use in mobile phones and tablets. It is used on Google Pixel 6 and 6 Pro (oriole and raven). Amongst others, it contains a fuel gauge that is similar to the ones supported by this driver. The fuel gauge can measure battery charge and discharge current, battery voltage, battery temperature, and the Type C connector's temperature. The MAX77759 incorporates the Maxim ModelGauge m5 algorithm. It, as well as previous generations like m3 on max17047/max17050, requires the host to save/restore some register values across power cycles to maintain full accuracy. Extending the driver for such support is out of scope in this initial commit. Reviewed-by: Peter Griffin <peter.griffin@linaro.org> Signed-off-by: André Draszik <andre.draszik@linaro.org> Link: https://patch.msgid.link/20260302-max77759-fg-v3-9-3c5f01dbda23@linaro.org Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com> 
The Maxim MAX77759 is a companion PMIC intended for use in mobile
phones and tablets. It is used on Google Pixel 6 and 6 Pro (oriole and
raven). Amongst others, it contains a fuel gauge that is similar to the
ones supported by this driver.

The fuel gauge can measure battery charge and discharge current,
battery voltage, battery temperature, and the Type C connector's
temperature.

The MAX77759 incorporates the Maxim ModelGauge m5 algorithm. It, as
well as previous generations like m3 on max17047/max17050, requires
the host to save/restore some register values across power cycles to
maintain full accuracy. Extending the driver for such support is out of
scope in this initial commit.

Reviewed-by: Peter Griffin <peter.griffin@linaro.org>
Signed-off-by: André Draszik <andre.draszik@linaro.org>
Link: https://patch.msgid.link/20260302-max77759-fg-v3-9-3c5f01dbda23@linaro.org
Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com>
power: supply: max77705_charger: implement aicl feature 2025-11-02T23:02:30+00:00 Dzmitry Sankouski dsankouski@gmail.com 2025-09-25T19:09:56+00:00 8ed6b8842c44a4a716dfd536e7f13aff77039a02 Adaptive input current allows charger to reduce it's current consumption, when source is not able to provide enough power. Signed-off-by: Dzmitry Sankouski <dsankouski@gmail.com> Link: https://patch.msgid.link/20250925-max77705_77976_charger_improvement-v6-1-972c716c17d1@gmail.com Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com> 
Adaptive input current allows charger to reduce it's current
consumption, when source is not able to provide enough power.

Signed-off-by: Dzmitry Sankouski <dsankouski@gmail.com>
Link: https://patch.msgid.link/20250925-max77705_77976_charger_improvement-v6-1-972c716c17d1@gmail.com
Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com>
power: supply: max77705_charger: use REGMAP_IRQ_REG_LINE macro 2025-09-18T22:40:03+00:00 Dzmitry Sankouski dsankouski@gmail.com 2025-09-18T17:06:52+00:00 bc7d3a0f92dad811110f5602f58fe756cefce2b8 Refactor regmap_irq declarations with REGMAP_IRQ_REG_LINE saves a few lines on definitions. Signed-off-by: Dzmitry Sankouski <dsankouski@gmail.com> Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com> 
Refactor regmap_irq declarations with REGMAP_IRQ_REG_LINE saves a few
lines on definitions.

Signed-off-by: Dzmitry Sankouski <dsankouski@gmail.com>
Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com>
power: supply: max77705_charger: use regfields for config registers 2025-09-18T22:37:45+00:00 Dzmitry Sankouski dsankouski@gmail.com 2025-09-18T17:06:48+00:00 ef1e734dbe257ce8bc42383b9977b5558f061288 Using regfields allows to cleanup masks and register offset definition, allowing to access register info by it's functional name. Signed-off-by: Dzmitry Sankouski <dsankouski@gmail.com> Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com> 
Using regfields allows to cleanup masks and register offset definition,
allowing to access register info by it's functional name.

Signed-off-by: Dzmitry Sankouski <dsankouski@gmail.com>
Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com>
Merge tag 'for-v6.15' of git://git.kernel.org/pub/scm/linux/kernel/git/sre/linux-power-supply 2025-03-30T01:11:12+00:00 Linus Torvalds torvalds@linux-foundation.org 2025-03-30T01:11:12+00:00 556f1b4874ca87feede736e1b2b4d11bc76f5bb9 Pull power supply and reset updates from Sebastian Reichel: "Power-supply core: - remove unused set_charged infrastructure - drop of_node from power_supply struct Power-supply drivers: - axp717: support devices without thermistors - bq27xxx: support max design voltage for bq270x0 and bq27x10 - pcf50633: drop charger driver - max1720x: add battery health support - switch all power-supply devices from of_node to fwnode - convert regmap users to maple tree register cache - convert drivers to devm_kmemdup_array - misc cleanups and fixes Reset drivers: - at91-sama5d2_shdwc: add sama7d65 support * tag 'for-v6.15' of git://git.kernel.org/pub/scm/linux/kernel/git/sre/linux-power-supply: (30 commits) power: supply: mt6370: Remove redundant 'flush_workqueue()' calls Revert "power: supply: bq27xxx: do not report bogus zero values" power: supply: max77693: Fix wrong conversion of charge input threshold value power: supply: pcf50633: Remove charger power: supply: all: switch psy_cfg from of_node to fwnode power: supply: core: get rid of of_node power: reset: at91-sama5d2_shdwc: Add sama7d65 PMC power: supply: smb347: convert to use maple tree register cache power: supply: rt9455: convert to use maple tree register cache power: supply: max1720x: convert to use maple tree register cache power: supply: ltc4162l: convert to use maple tree register cache power: supply: bq25980: convert to use maple tree register cache power: supply: bq25890: convert to use maple tree register cache power: supply: bq2515x: convert to use maple tree register cache power: supply: bq24257: convert to use maple tree register cache power: supply: bd99954: convert to use maple tree register cache power: supply: Remove unused set_charged method power: supply: ds2760: Remove unused ds2760_battery_set_charged power: supply: core: Remove unused power_supply_set_battery_charged power: supply: sc27xx: use devm_kmemdup_array() ... 
Pull power supply and reset updates from Sebastian Reichel:
 "Power-supply core:
   - remove unused set_charged infrastructure
   - drop of_node from power_supply struct

  Power-supply drivers:
   - axp717: support devices without thermistors
   - bq27xxx: support max design voltage for bq270x0 and bq27x10
   - pcf50633: drop charger driver
   - max1720x: add battery health support
   - switch all power-supply devices from of_node to fwnode
   - convert regmap users to maple tree register cache
   - convert drivers to devm_kmemdup_array
   - misc cleanups and fixes

  Reset drivers:
   - at91-sama5d2_shdwc: add sama7d65 support

* tag 'for-v6.15' of git://git.kernel.org/pub/scm/linux/kernel/git/sre/linux-power-supply: (30 commits)
  power: supply: mt6370: Remove redundant 'flush_workqueue()' calls
  Revert "power: supply: bq27xxx: do not report bogus zero values"
  power: supply: max77693: Fix wrong conversion of charge input threshold value
  power: supply: pcf50633: Remove charger
  power: supply: all: switch psy_cfg from of_node to fwnode
  power: supply: core: get rid of of_node
  power: reset: at91-sama5d2_shdwc: Add sama7d65 PMC
  power: supply: smb347: convert to use maple tree register cache
  power: supply: rt9455: convert to use maple tree register cache
  power: supply: max1720x: convert to use maple tree register cache
  power: supply: ltc4162l: convert to use maple tree register cache
  power: supply: bq25980: convert to use maple tree register cache
  power: supply: bq25890: convert to use maple tree register cache
  power: supply: bq2515x: convert to use maple tree register cache
  power: supply: bq24257: convert to use maple tree register cache
  power: supply: bd99954: convert to use maple tree register cache
  power: supply: Remove unused set_charged method
  power: supply: ds2760: Remove unused ds2760_battery_set_charged
  power: supply: core: Remove unused power_supply_set_battery_charged
  power: supply: sc27xx: use devm_kmemdup_array()
  ...
power: supply: max77705: Add charger driver for Maxim 77705 2025-02-20T16:37:23+00:00 Dzmitry Sankouski dsankouski@gmail.com 2025-01-23T15:04:28+00:00 a6a494c8e3ce1fe84aac538b087a4cab868ed83f Add driver for Maxim 77705 switch-mode charger. It providing power supply class information to userspace. The driver is configured through DTS (battery and system related settings). Signed-off-by: Dzmitry Sankouski <dsankouski@gmail.com> Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org> Acked-by: Sebastian Reichel <sebastian.reichel@collabora.com> Link: https://lore.kernel.org/r/20250123-starqltechn_integration_upstream-v17-3-8b06685b6612@gmail.com Signed-off-by: Lee Jones <lee@kernel.org> 
Add driver for Maxim 77705 switch-mode charger.
It providing power supply class information to userspace.

The driver is configured through DTS (battery and system related
settings).

Signed-off-by: Dzmitry Sankouski <dsankouski@gmail.com>
Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Acked-by: Sebastian Reichel <sebastian.reichel@collabora.com>
Link: https://lore.kernel.org/r/20250123-starqltechn_integration_upstream-v17-3-8b06685b6612@gmail.com
Signed-off-by: Lee Jones <lee@kernel.org>