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/linux-6.14.4/drivers/power/supply/
DKconfig1 # SPDX-License-Identifier: GPL-2.0-only
3 bool "Power supply class support"
5 Say Y here to enable power supply class support. This allows
6 power supply (batteries, AC, USB) monitoring by userspace
13 bool "Power supply debug"
15 Say Y here to enable debugging messages for power supply class
20 prompt "Expose power supply sensors as hwmon device"
25 power supply device (current, voltage, temperature) to be
28 Say 'Y' here if you want power supplies to
36 battery class devices.
[all …]
Dwm8350_power.c1 // SPDX-License-Identifier: GPL-2.0-only
3 * Battery driver for wm8350 PMIC
7 * Based on OLPC Battery Driver
44 if (!wm8350->power.rev_g_coeff) in wm8350_charge_time_min()
45 return (((min - 30) / 15) & 0xf) << 8; in wm8350_charge_time_min()
47 return (((min - 30) / 30) & 0xf) << 8; in wm8350_charge_time_min()
67 * without battery, otherwise check for wall supply */ in wm8350_get_supplies()
92 dev_warn(wm8350->dev, in wm8350_charger_config()
94 return -EINVAL; in wm8350_charger_config()
98 if (policy->fast_limit_USB_mA > 500) { in wm8350_charger_config()
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Dwm831x_power.c1 // SPDX-License-Identifier: GPL-2.0-only
24 struct power_supply *battery; member
46 val->intval = 1; in wm831x_power_check_online()
48 val->intval = 0; in wm831x_power_check_online()
61 val->intval = ret; in wm831x_power_read_voltage()
67 * WALL Power
73 struct wm831x_power *wm831x_power = dev_get_drvdata(psy->dev.parent); in wm831x_wall_get_prop()
74 struct wm831x *wm831x = wm831x_power->wm831x; in wm831x_wall_get_prop()
85 ret = -EINVAL; in wm831x_wall_get_prop()
98 * USB Power
[all …]
/linux-6.14.4/Documentation/power/
Dpower_supply_class.rst2 Linux power supply class
7 Power supply class used to represent battery, UPS, AC or DC power supply
8 properties to user-space.
11 every power supply out there. Attributes are available via sysfs and uevent
16 power supply, specific monitoring hardware may not be able to provide them
19 Power supply class is extensible, and allows to define drivers own attributes.
21 if it will be found that some attribute is applicable to many power supply
25 typically expected feedback of battery charging/fully charged status and
26 AC/USB power supply online status. (Note that specific details of the
34 Power supply class has predefined set of attributes, this eliminates code
[all …]
Dcharger-manager.rst7 Charger Manager provides in-kernel battery charger management that
8 requires temperature monitoring during suspend-to-RAM state
9 and where each battery may have multiple chargers attached and the userland
12 Charger Manager is a platform_driver with power-supply-class entries.
13 An instance of Charger Manager (a platform-device created with Charger-Manager)
14 represents an independent battery with chargers. If there are multiple
24 A system may have multiple chargers (or power sources) and some of
26 own power-supply-class and each power-supply-class can provide
27 different information about the battery status. This framework
28 aggregates charger-related information from multiple sources and
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/linux-6.14.4/Documentation/devicetree/bindings/power/supply/
Dx-powers,axp20x-battery-power-supply.yaml1 # SPDX-License-Identifier: GPL-2.0
3 ---
4 $id: http://devicetree.org/schemas/power/supply/x-powers,axp20x-battery-power-supply.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
7 title: AXP20x Battery power-supply
10 The supported devices can read the battery voltage, charge and discharge
11 currents of the battery by reading ADC channels from the ADC.
14 - Chen-Yu Tsai <[email protected]>
15 - Sebastian Reichel <[email protected]>
18 - $ref: power-supply.yaml#
[all …]
Dadc-battery.yaml1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
3 ---
4 $id: http://devicetree.org/schemas/power/supply/adc-battery.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
7 title: ADC battery
10 - Sebastian Reichel <[email protected]>
13 Basic battery capacity meter, which only reports basic battery data
14 via ADC channels and optionally indicate that the battery is full by
17 The voltage is expected to be measured between the battery terminals
18 and mandatory. The optional current/power channel is expected to
[all …]
Dcpcap-battery.yaml1 # SPDX-License-Identifier: GPL-2.0
4 ---
5 $id: http://devicetree.org/schemas/power/supply/cpcap-battery.yaml#
6 $schema: http://devicetree.org/meta-schemas/core.yaml#
8 title: Motorola CPCAP PMIC battery
11 - Tony Lindgren <[email protected]>
12 - Sebastian Reichel <[email protected]>
16 the Droid 4. This binding describes its battery fuel gauge
17 sub-function.
20 - $ref: power-supply.yaml#
[all …]
Dcw2015_battery.yaml1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
3 ---
4 $id: http://devicetree.org/schemas/power/supply/cw2015_battery.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
7 title: Battery driver for CW2015 shuntless fuel gauge by CellWise.
10 - Tobias Schramm <[email protected]>
13 The driver can utilize information from a simple-battery linked via a
14 phandle in monitored-battery. If specified the driver uses the
15 charge-full-design-microamp-hours property of the battery.
18 - $ref: power-supply.yaml#
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Dbq24190.yaml1 # SPDX-License-Identifier: GPL-2.0
4 ---
5 $id: http://devicetree.org/schemas/power/supply/bq24190.yaml#
6 $schema: http://devicetree.org/meta-schemas/core.yaml#
8 title: TI BQ2419x Li-Ion Battery Charger
11 - Sebastian Reichel <[email protected]>
14 - $ref: power-supply.yaml#
19 - ti,bq24190
20 - ti,bq24192
21 - ti,bq24192i
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Dingenic,battery.yaml1 # SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
2 # Copyright 2019-2020 Artur Rojek
4 ---
5 $id: http://devicetree.org/schemas/power/supply/ingenic,battery.yaml#
6 $schema: http://devicetree.org/meta-schemas/core.yaml#
8 title: Ingenic JZ47xx battery
11 - Artur Rojek <contact@artur-rojek.eu>
13 $ref: power-supply.yaml#
18 - const: ingenic,jz4740-battery
19 - items:
[all …]
Dst,stc3117.yaml1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
3 ---
4 $id: http://devicetree.org/schemas/power/supply/st,stc3117.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
7 title: STMicroelectronics STC3117 Fuel Gauge Unit Power Supply
10 - Hardevsinh Palaniya <[email protected]>
11 - Bhavin Sharma <[email protected]>
15 It provides accurate battery state-of-charge (SOC) monitoring, tracks
16 battery parameter changes with operation conditions, temperature,
17 and aging, and allows the application to get a battery state-of-health
[all …]
Dsc27xx-fg.yaml1 # SPDX-License-Identifier: GPL-2.0
3 ---
4 $id: http://devicetree.org/schemas/power/supply/sc27xx-fg.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
7 title: Spreadtrum SC27XX PMICs Fuel Gauge Unit Power Supply
10 - Sebastian Reichel <[email protected]>
13 - $ref: power-supply.yaml#
18 - sprd,sc2720-fgu
19 - sprd,sc2721-fgu
20 - sprd,sc2723-fgu
[all …]
Dlego,ev3-battery.yaml1 # SPDX-License-Identifier: GPL-2.0
3 ---
4 $id: http://devicetree.org/schemas/power/supply/lego,ev3-battery.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
7 title: LEGO MINDSTORMS EV3 Battery
10 - David Lechner <[email protected]>
11 - Sebastian Reichel <[email protected]>
14 LEGO MINDSTORMS EV3 has some built-in capability for monitoring the battery.
15 It uses 6 AA batteries or a special Li-ion rechargeable battery pack that is
16 detected by a key switch in the battery compartment.
[all …]
Dqcom,pm8916-bms-vm.yaml1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
3 ---
4 $id: http://devicetree.org/schemas/power/supply/qcom,pm8916-bms-vm.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
10 - Nikita Travkin <[email protected]>
14 such as pm8916. This block performs battery voltage monitoring.
17 - $ref: power-supply.yaml#
21 const: qcom,pm8916-bms-vm
28 - description: BMS FSM left S3 mode
29 - description: BMS FSM entered S2 mode
[all …]
Dsamsung,battery.yaml1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
3 ---
4 $id: http://devicetree.org/schemas/power/supply/samsung,battery.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
10 - Linus Walleij <[email protected]>
16 the physical restrictions make it impossible to use another battery with the
24 - const: samsung,eb-l1m7flu
25 description: 3.8V 1500 mAh battery used in Samsung GT-I8190
26 - const: samsung,eb425161la
27 description: 3.8V 1500 mAh battery used in Samsung SGH-T599 and SGH-I407
[all …]
Dmaxim,max17042.yaml1 # SPDX-License-Identifier: GPL-2.0
3 ---
4 $id: http://devicetree.org/schemas/power/supply/maxim,max17042.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
10 - Sebastian Reichel <[email protected]>
13 - $ref: power-supply.yaml#
18 - maxim,max17042
19 - maxim,max17047
20 - maxim,max17050
21 - maxim,max17055
[all …]
Dmaxim,max17040.yaml1 # SPDX-License-Identifier: GPL-2.0
3 ---
4 $id: http://devicetree.org/schemas/power/supply/maxim,max17040.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
10 - Sebastian Reichel <[email protected]>
13 - $ref: power-supply.yaml#
18 - maxim,max17040
19 - maxim,max17041
20 - maxim,max17043
21 - maxim,max17044
[all …]
Drichtek,rt9455.yaml1 # SPDX-License-Identifier: GPL-2.0
3 ---
4 $id: http://devicetree.org/schemas/power/supply/richtek,rt9455.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
7 title: Richtek rt9455 battery charger
10 - Sebastian Reichel <[email protected]>
13 - $ref: power-supply.yaml#
25 richtek,output-charge-current:
27 description: output current from the charger to the battery, in uA.
29 richtek,end-of-charge-percentage:
[all …]
Dsbs,sbs-battery.yaml1 # SPDX-License-Identifier: GPL-2.0
3 ---
4 $id: http://devicetree.org/schemas/power/supply/sbs,sbs-battery.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
7 title: SBS compliant battery
10 - Sebastian Reichel <[email protected]>
13 Battery compatible with the smart battery system specifications
16 - $ref: power-supply.yaml#
21 - items:
22 - enum:
[all …]
/linux-6.14.4/Documentation/ABI/testing/
Dsysfs-class-power5 Contact: linux-[email protected]
14 Contact: linux-[email protected]
23 Contact: linux-[email protected]
32 Contact: linux-[email protected]
37 Valid values: "Battery", "UPS", "Mains", "USB", "Wireless"
39 **Battery and USB properties**
43 Contact: linux-[email protected]
45 Battery:
47 Reports an average IBAT current reading for the battery, over
66 Contact: linux-[email protected]
[all …]
Dsysfs-class-power-ltc4162l1 What: /sys/class/power_supply/ltc4162-l/charge_status
18 What: /sys/class/power_supply/ltc4162-l/ibat
22 Battery input current as measured by the charger. Negative value
23 means that the battery is discharging.
29 What: /sys/class/power_supply/ltc4162-l/vbat
33 Battery voltage as measured by the charger.
39 What: /sys/class/power_supply/ltc4162-l/vbat_avg
43 Battery voltage, averaged over time, as measured by the charger.
49 What: /sys/class/power_supply/ltc4162-l/force_telemetry
53 To save battery current, the measurement system is disabled if
[all …]
/linux-6.14.4/include/linux/
Dpower_supply.h1 /* SPDX-License-Identifier: GPL-2.0-only */
3 * Universal power supply monitor class
31 * For systems where the charger determines the maximum battery capacity
193 POWER_SUPPLY_TYPE_USB_PD, /* Power Delivery Port */
206 POWER_SUPPLY_USB_TYPE_PD, /* Power Delivery Port */
208 POWER_SUPPLY_USB_TYPE_PD_PPS, /* PD Programmable Power Supply */
230 /* Run-time specific power supply configuration */
247 /* Description of power supply */
258 * Functions for drivers implementing power supply class.
260 * this power supply. Instead use power_supply_*() functions (for
[all …]
/linux-6.14.4/include/linux/power/
Dcharger-manager.h1 /* SPDX-License-Identifier: GPL-2.0-only */
8 * monitor charging even in the context of suspend-to-RAM with
54 * @cm: the Charger Manager representing the battery.
62 /* The charger-manager use Extcon framework */
72 * Set min/max current of regulator to protect over-current issue
86 * Set if the charger-manager cannot control charger,
126 * @psy_name: the name of power-supply-class for charger manager
130 * Check voltage drop after the battery is fully charged.
138 * If full capacity of battery >= fullbatt_full_capacity,
141 * charger manager will monitor battery health
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/linux-6.14.4/Documentation/devicetree/bindings/mfd/
Dene-kb930.yaml1 # SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause
3 ---
4 $id: http://devicetree.org/schemas/mfd/ene-kb930.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
14 - Dmitry Osipenko <[email protected]>
16 $ref: /schemas/power/supply/power-supply.yaml
21 - enum:
22 - acer,a500-iconia-ec # Acer A500 Iconia tablet device
23 - const: ene,kb930
27 system-power-controller: true
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