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/Linux-v5.10/drivers/power/supply/
DKconfig1 # SPDX-License-Identifier: GPL-2.0-only
105 tristate "Active-semi ACT8945A charger driver"
109 Active-semi ActivePath ACT8945A charger.
125 battery fuel gauge (used in the Pinebook Pro & others)
159 tristate "DS2782/DS2786 standalone gas-gauge"
163 gas-gauge.
185 tristate "Sharp SL-6000 (tosa) battery"
189 SL-6000 (tosa) models.
192 tristate "Sharp SL-5500 (collie) battery"
196 SL-5500 (collie) models.
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Drn5t618_power.c1 // SPDX-License-Identifier: GPL-2.0+
86 ret = regmap_bulk_read(info->rn5t618->regmap, in rn5t618_battery_read_doublereg()
131 ret = regmap_read(info->rn5t618->regmap, RN5T618_CHGSTATE, &v); in rn5t618_battery_status()
135 val->intval = POWER_SUPPLY_STATUS_UNKNOWN; in rn5t618_battery_status()
138 val->intval = rn5t618_decode_status(v); in rn5t618_battery_status()
140 val->intval = POWER_SUPPLY_STATUS_DISCHARGING; in rn5t618_battery_status()
151 ret = regmap_read(info->rn5t618->regmap, RN5T618_CHGSTATE, &v); in rn5t618_battery_present()
157 val->intval = 0; in rn5t618_battery_present()
159 val->intval = 1; in rn5t618_battery_present()
174 val->intval = res * 2 * 2500 / 4095 * 1000; in rn5t618_battery_voltage_now()
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Drt5033_battery.c1 // SPDX-License-Identifier: GPL-2.0-only
3 * Fuel gauge driver for Richtek RT5033
12 #include <linux/mfd/rt5033-private.h>
20 regmap_read(battery->regmap, RT5033_FUEL_REG_SOC_H, &msb); in rt5033_battery_get_capacity()
30 regmap_read(battery->regmap, RT5033_FUEL_REG_CONFIG_L, &val); in rt5033_battery_get_present()
57 return -EINVAL; in rt5033_battery_get_watt_prop()
60 regmap_read(battery->regmap, regh, &msb); in rt5033_battery_get_watt_prop()
61 regmap_read(battery->regmap, regl, &lsb); in rt5033_battery_get_watt_prop()
78 val->intval = rt5033_battery_get_watt_prop(battery->client, in rt5033_battery_get_property()
82 val->intval = rt5033_battery_get_present(battery->client); in rt5033_battery_get_property()
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Dda9150-fg.c1 // SPDX-License-Identifier: GPL-2.0-or-later
3 * DA9150 Fuel-Gauge Driver
99 da9150_read_qif(fg->da9150, read_addr, size, buf); in da9150_fg_read_attr()
121 da9150_write_qif(fg->da9150, write_addr, size, buf); in da9150_fg_write_attr()
130 mutex_lock(&fg->io_lock); in da9150_fg_read_sync_start()
150 dev_err(fg->dev, "Failed to perform QIF read sync!\n"); in da9150_fg_read_sync_start()
159 mutex_unlock(&fg->io_lock); in da9150_fg_read_sync_end()
181 mutex_lock(&fg->io_lock); in da9150_fg_write_attr_sync()
196 dev_err(fg->dev, "Timeout waiting for existing QIF sync!\n"); in da9150_fg_write_attr_sync()
197 mutex_unlock(&fg->io_lock); in da9150_fg_write_attr_sync()
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/Linux-v5.10/Documentation/devicetree/bindings/power/supply/
Dda9150-fg.txt1 Dialog Semiconductor DA9150 Fuel-Gauge Power Supply bindings
4 - compatible: "dlg,da9150-fuel-gauge" for DA9150 Fuel-Gauge Power Supply
7 - dlg,update-interval: Interval time (milliseconds) between battery level checks.
8 - dlg,warn-soc-level: Battery discharge level (%) where warning event raised.
9 [1 - 100]
10 - dlg,crit-soc-level: Battery discharge level (%) where critical event raised.
12 [1 - 100]
17 fuel-gauge {
18 compatible = "dlg,da9150-fuel-gauge";
20 dlg,update-interval = <10000>;
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Dbq27xxx.yaml1 # SPDX-License-Identifier: GPL-2.0
4 ---
6 $schema: "http://devicetree.org/meta-schemas/core.yaml#"
8 title: TI BQ27XXX fuel gauge family
11 - Pali Rohár <pali@kernel.org>
12 - Andrew F. Davis <afd@ti.com>
13 - Sebastian Reichel <sre@kernel.org>
16 Support various Texas Instruments fuel gauge devices that share similar
20 - $ref: power-supply.yaml#
25 - ti,bq27200
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Dcharger-manager.txt1 charger-manager bindings
5 - compatible : "charger-manager"
6 - <>-supply : for regulator consumer, named according to cm-regulator-name
7 - cm-chargers : name of chargers
8 - cm-fuel-gauge : name of battery fuel gauge
9 - subnode <regulator> :
10 - cm-regulator-name : name of charger regulator
11 - subnode <cable> :
12 - cm-cable-name : name of charger cable - one of USB, USB-HOST,
13 SDP, DCP, CDP, ACA, FAST-CHARGER, SLOW-CHARGER, WPT,
[all …]
Dmax17040_battery.txt5 - compatible : "maxim,max17040", "maxim,max17041", "maxim,max17043",
7 "maxim,max17058", "maxim,max17059" or "maxim,max77836-battery"
8 - reg: i2c slave address
11 - maxim,alert-low-soc-level : The alert threshold that sets the state of
16 - maxim,double-soc : Certain devices return double the capacity.
20 - maxim,rcomp : A value to compensate readings for various
25 - interrupts : Interrupt line see Documentation/devicetree/
26 bindings/interrupt-controller/interrupts.txt
27 - wakeup-source : This device has wakeup capabilities. Use this
33 compatible "maxim,max77836-battery".
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Dsc27xx-fg.txt1 Spreadtrum SC27XX PMICs Fuel Gauge Unit Power Supply Bindings
4 - compatible: Should be one of the following:
5 "sprd,sc2720-fgu",
6 "sprd,sc2721-fgu",
7 "sprd,sc2723-fgu",
8 "sprd,sc2730-fgu",
9 "sprd,sc2731-fgu".
10 - reg: The address offset of fuel gauge unit.
11 - battery-detect-gpios: GPIO for battery detection.
12 - io-channels: Specify the IIO ADC channels to get temperature and charge voltage.
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Dcw2015_battery.yaml1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
3 ---
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
7 title: Battery driver for CW2015 shuntless fuel gauge by CellWise.
10 - Tobias Schramm <t.schramm@manjaro.org>
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.
24 cellwise,battery-profile:
30 $ref: /schemas/types.yaml#definitions/uint8-array
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Dbattery.yaml1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
3 ---
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
10 - Sebastian Reichel <sre@kernel.org>
14 In smart batteries, these are typically stored in non-volatile memory
15 on a fuel gauge chip. The battery node should be used where there is
16 no appropriate non-volatile memory, or it is unprogrammed/incorrect.
27 Batteries must be referenced by chargers and/or fuel-gauges using a phandle.
28 The phandle's property should be named "monitored-battery".
32 const: simple-battery
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/Linux-v5.10/Documentation/devicetree/bindings/mfd/
Dda9150.txt1 Dialog Semiconductor DA9150 Combined Charger/Fuel-Gauge MFD bindings
3 DA9150 consists of a group of sub-devices:
6 ------ -----------
7 da9150-gpadc : General Purpose ADC
8 da9150-charger : Battery Charger
9 da9150-fg : Battery Fuel-Gauge
14 - compatible : Should be "dlg,da9150"
15 - reg: Specifies the I2C slave address
16 - interrupts: IRQ line info for da9150 chip.
17 - interrupt-controller: da9150 has internal IRQs (own IRQ domain).
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Dmax14577.txt1 Maxim MAX14577/77836 Multi-Function Device
3 MAX14577 is a Multi-Function Device with Micro-USB Interface Circuit, Li+
7 MAX77836 additionally contains PMIC (with two LDO regulators) and Fuel Gauge.
8 For the description of Fuel Gauge low SOC alert interrupt see:
13 - compatible : Must be "maxim,max14577" or "maxim,max77836".
14 - reg : I2C slave address for the max14577 chip (0x25 for max14577/max77836)
15 - interrupts : IRQ line for the chip.
19 - charger :
22 - compatible : "maxim,max14577-charger"
23 or "maxim,max77836-charger"
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Dsprd,sc27xx-pmic.txt8 - DCDCs to support CPU, memory.
9 - LDOs to support both internal and external requirement.
10 - Battery management system, such as charger, fuel gauge.
11 - Audio codec.
12 - User interface function, such as indicator, flash LED and so on.
13 - IC level interface, such as power on/off control, RTC and typec and so on.
16 - compatible: Should be one of the following:
22 - reg: The address of the device chip select, should be 0.
23 - spi-max-frequency: Typically set to 26000000.
24 - interrupts: The interrupt line the device is connected to.
[all …]
Drn5t618.txt4 integrates 3 to 5 step-down DCDC converters, 7 to 10 low-dropout regulators,
6 The RN5T618/RC5T619 provides additionally a Li-ion battery charger,
7 fuel gauge, and an ADC.
11 - compatible: must be one of
15 - reg: the I2C slave address of the device
18 - interrupts: interrupt mapping for IRQ
19 See Documentation/devicetree/bindings/interrupt-controller/interrupts.txt
20 - system-power-controller:
21 See Documentation/devicetree/bindings/power/power-controller.txt
23 Sub-nodes:
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/Linux-v5.10/Documentation/ABI/testing/
Dsysfs-platform-dptf4 Contact: linux-acpi@vger.kernel.org
6 (RO) The charger type - Traditional, Hybrid or NVDC.
11 Contact: linux-acpi@vger.kernel.org
19 Contact: linux-acpi@vger.kernel.org
27 Contact: linux-acpi@vger.kernel.org
33 - 0x00 = DC
34 - 0x01 = AC
35 - 0x02 = USB
36 - 0x03 = Wireless Charger
43 Contact: linux-acpi@vger.kernel.org
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/Linux-v5.10/include/linux/mfd/
Dmax8997.h1 /* SPDX-License-Identifier: GPL-2.0+ */
3 * max8997.h - Driver for the Maxim 8997/8966
5 * Copyright (C) 2009-2010 Samsung Electrnoics
10 * MAX8997 has PMIC, MUIC, HAPTIC, RTC, FLASH, and Fuel Gauge devices.
11 * Except Fuel Gauge, every device shares the same I2C bus and included in
12 * this mfd driver. Although the fuel gauge is included in the chip, it is
123 * [0 - 3]: valid pattern number
126 * [0 - 15]: available cycles
128 * [0 - 255]: available period
157 * [0 - 31]: MAX8997_FLASH_MODE and MAX8997_FLASH_PIN_CONTROL_MODE
[all …]
Dmax14577.h1 /* SPDX-License-Identifier: GPL-2.0+ */
3 * max14577.h - Driver for the Maxim 14577/77836
15 * MAX77836 has additional PMIC and Fuel-Gauge on different I2C slave
/Linux-v5.10/drivers/platform/x86/
Dintel_cht_int33fe_microb.c1 // SPDX-License-Identifier: GPL-2.0
4 * USB Micro-B connector (e.g. without of FUSB302 USB Type-C controller)
9 * (Lenovo YogaBook YB1-X91L/F tablet), have this weird INT33FE ACPI device
13 * 2. TI BQ27542 Fuel Gauge Controller
16 * instantiate i2c-client for battery fuel gauge, so that standard i2c driver
31 static const char * const bq27xxx_suppliers[] = { "bq25890-charger" };
34 PROPERTY_ENTRY_STRING_ARRAY("supplied-from", bq27xxx_suppliers),
40 struct device *dev = data->dev; in cht_int33fe_microb_probe()
47 data->battery_fg = i2c_acpi_new_device(dev, 1, &board_info); in cht_int33fe_microb_probe()
49 return PTR_ERR_OR_ZERO(data->battery_fg); in cht_int33fe_microb_probe()
[all …]
/Linux-v5.10/include/linux/mfd/abx500/
Dab8500-bm.h1 /* SPDX-License-Identifier: GPL-2.0-only */
3 * Copyright ST-Ericsson 2012.
77 * Gas Gauge register offsets
228 /* Fuel Gauge constants */
277 * struct res_to_temp - defines one point in a temp to res curve. To
289 * struct batres_vs_temp - defines one point in a temp vs battery internal
303 * struct ab8500_fg_parameters - Fuel gauge algorithm parameters, in seconds
353 * struct ab8500_charger_maximization - struct used by the board config.
367 * struct ab8500_bm_capacity_levels - ab8500 capacity level data
383 * struct ab8500_bm_charger_parameters - Charger specific parameters
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/Linux-v5.10/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
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
144 * @psy_charger_stat: the names of power-supply for chargers
147 * @psy_fuel_gauge: the name of power-supply for fuel gauge
160 * after full-batt. If discharging duration exceed 'discharging
203 * @fuel_gauge: power_supply for fuel gauge
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/Linux-v5.10/Documentation/devicetree/bindings/iio/adc/
Ddlg,da9150-gpadc.yaml1 # SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
3 ---
4 $id: http://devicetree.org/schemas/iio/adc/dlg,da9150-gpadc.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
10 - Adam Thomson <Adam.Thomson.Opensource@diasemi.com>
14 DA9150 Charger & Fuel-Gauge IC.
18 const: dlg,da9150-gpadc
20 "#io-channel-cells":
24 - compatible
25 - "#io-channel-cells"
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/Linux-v5.10/Documentation/power/
Dcharger-manager.rst7 Charger Manager provides in-kernel battery charger management that
8 requires temperature monitoring during suspend-to-RAM state
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)
26 own power-supply-class and each power-supply-class can provide
28 aggregates charger-related information from multiple sources and
29 shows combined information as a single power-supply-class.
31 * Support for in suspend-to-RAM polling (with suspend_again callback)
32 While the battery is being charged and the system is in suspend-to-RAM,
50 * Support for premature full-battery event handling
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/Linux-v5.10/Documentation/devicetree/bindings/power/supply/ab8500/
Dfg.txt1 === AB8500 Fuel Gauge Driver ===
4 device comprising: power and energy-management-module,
5 wall-charger, usb-charger, audio codec, general purpose adc,
8 Fuelgauge support is part of energy-management-modules, other
10 main-charger, usb-combo-charger and battery-temperature-monitoring.
15 - compatible = This shall be: "stericsson,ab8500-fg"
16 - battery = Shall be battery specific information
19 compatible = "stericsson,ab8500-fg";
30 thermistor-on-batctrl:
41 thermistor-on-batctrl;
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/Linux-v5.10/drivers/iio/adc/
Daxp288_adc.c1 // SPDX-License-Identifier: GPL-2.0-only
3 * axp288_adc.c - X-Powers AXP288 PMIC ADC Driver
23 * This mask enables all ADCs except for the battery temp-sensor (TS), that is
24 * left as-is to avoid breaking charging on devices without a temp-sensor.
104 IIO_MAP("TS_PIN", "axp288-batt", "axp288-batt-temp"),
105 IIO_MAP("PMIC_TEMP", "axp288-pmic", "axp288-pmic-temp"),
106 IIO_MAP("GPADC", "axp288-gpadc", "axp288-system-temp"),
107 IIO_MAP("BATT_CHG_I", "axp288-chrg", "axp288-chrg-curr"),
108 IIO_MAP("BATT_DISCHRG_I", "axp288-chrg", "axp288-chrg-d-curr"),
109 IIO_MAP("BATT_V", "axp288-batt", "axp288-batt-volt"),
[all …]

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