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/linux/Documentation/devicetree/bindings/power/supply/
H A Dsummit,smb347-charger.yaml1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
3 ---
4 $id: http://devicetree.org/schemas/power/supply/summit,smb347-charger.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
10 - David Heidelberg <david@ixit.cz>
11 - Dmitry Osipenko <digetx@gmail.com>
16 - summit,smb345
17 - summit,smb347
18 - summit,smb358
26 monitored-battery:
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H A Drohm,bd99954.yaml1 # SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause
3 ---
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
10 - Matti Vaittinen <mazziesaccount@gmail.com>
11 - Markus Laine <markus.laine@fi.rohmeurope.com>
12 - Mikko Mutanen <mikko.mutanen@fi.rohmeurope.com>
15 The ROHM BD99954 is a Battery Management LSI for 1-4 cell Lithium-Ion
16 secondary battery intended to be used in space-constraint equipment such
18 provides a Dual-source Battery Charger, two port BC1.2 detection and a
21 $ref: power-supply.yaml#
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H A Dti,lp8727.yaml1 # SPDX-License-Identifier: GPL-2.0
3 ---
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
10 - Sebastian Reichel <sre@kernel.org>
13 - $ref: power-supply.yaml#
25 debounce-ms:
32 description: USB/AC charging parameters
34 charger-type:
36 - ac
37 - usb
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H A Dqcom,pm8941-charger.yaml1 # SPDX-License-Identifier: GPL-2.0
3 ---
4 $id: http://devicetree.org/schemas/power/supply/qcom,pm8941-charger.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
7 title: Qualcomm Switch-Mode Battery Charger and Boost
10 - Sebastian Reichel <sre@kernel.org>
15 - qcom,pm8226-charger
16 - qcom,pm8941-charger
23 - description: charge done
24 - description: charge fast mode
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H A Dgpio-charger.yaml1 # SPDX-License-Identifier: GPL-2.0
3 ---
4 $id: http://devicetree.org/schemas/power/supply/gpio-charger.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
10 - Sebastian Reichel <sre@kernel.org>
15 GPIOs for limited control over the charging proces
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H A Dbq25890.yaml1 # SPDX-License-Identifier: GPL-2.0
4 ---
6 $schema: http://devicetree.org/meta-schemas/core.yaml#
8 title: Bq25890, bq25892, bq25895 and bq25896 Li-Ion Charger
11 - Sebastian Reichel <sre@kernel.org>
14 - $ref: power-supply.yaml#
19 - enum:
20 - ti,bq25890
21 - items:
22 - enum:
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H A Dcharger-manager.yaml1 # SPDX-License-Identifier: GPL-2.0
3 ---
4 $id: http://devicetree.org/schemas/power/supply/charger-manager.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
10 - Sebastian Reichel <sre@kernel.org>
18 const: charger-manager
20 cm-chargers:
22 $ref: /schemas/types.yaml#/definitions/string-array
24 cm-num-chargers:
28 cm-fuel-gauge:
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H A Dbq24735.yaml1 # SPDX-License-Identifier: GPL-2.0
4 ---
6 $schema: http://devicetree.org/meta-schemas/core.yaml#
8 title: TI BQ24735 Li-Ion Battery Charger
11 - Sebastian Reichel <sre@kernel.org>
14 - $ref: power-supply.yaml#
27 ti,ac-detect-gpios:
35 ti,charge-current:
38 Used to control and set the charging current.
43 ti,charge-voltage:
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H A Dqcom,pm8916-lbc.yaml1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
3 ---
4 $id: http://devicetree.org/schemas/power/supply/qcom,pm8916-lbc.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
10 - Nikita Travkin <nikita@trvn.ru>
17 - $ref: power-supply.yaml#
21 const: qcom,pm8916-lbc
25 - description: Charger
26 - description: Battery
27 - description: USB
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H A Dtps65090-charger.yaml1 # SPDX-License-Identifier: GPL-2.0
3 ---
4 $id: http://devicetree.org/schemas/power/supply/tps65090-charger.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
10 - Sebastian Reichel <sre@kernel.org>
13 - $ref: power-supply.yaml#
17 const: ti,tps65090-charger
19 ti,enable-low-current-chrg:
22 Enables charging when a low current is detected while the default logic is to stop charging.
25 - compatible
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H A Dbq2415x.yaml1 # SPDX-License-Identifier: GPL-2.0
4 ---
6 $schema: http://devicetree.org/meta-schemas/core.yaml#
8 title: TI bq2415x Li-Ion Charger
11 - Sebastian Reichel <sre@kernel.org>
14 - $ref: power-supply.yaml#
19 - ti,bq24150
20 - ti,bq24150a
21 - ti,bq24151
22 - ti,bq24151a
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H A Dmaxim,max77693.yaml1 # SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause
3 ---
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
10 - Krzysztof Kozlowski <krzk@kernel.org>
21 const: maxim,max77693-charger
23 maxim,constant-microvolt:
26 charge constant current mode till battery voltage reaches this level.
30 Valid values: 3650000 - 4400000, step by 25000 (rounded down)
35 maxim,min-system-microvolt:
42 maxim,thermal-regulation-celsius:
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/linux/Documentation/ABI/testing/
H A Dsysfs-class-power5 Contact: linux-pm@vger.kernel.org
14 Contact: linux-pm@vger.kernel.org
23 Contact: linux-pm@vger.kernel.org
32 Contact: linux-pm@vger.kernel.org
43 Contact: linux-pm@vger.kernel.org
47 Reports an average IBAT current reading for the battery, over
54 Reports an average IBUS current reading over a fixed period.
61 used for discharging batteries, positive values for charging
62 batteries and for USB IBUS current.
66 Contact: linux-p
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/linux/include/linux/power/
H A 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,
90 * and set current limit according to constraint data of
101 /* The name of regulator for charging */
109 * Store constraint information related to current limit,
110 * each cable have different condition for charging.
126 * @psy_name: the name of power-supply-class for charger manager
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/linux/drivers/power/supply/
H A Dbd99954-charger.c1 // SPDX-License-Identifier: GPL-2.0-only
14 * The battery charging profile of BD99954.
16 * Curve (1) represents charging current.
19 * The BD99954 data sheet divides charging to three phases.
20 * a) Trickle-charge with constant current (8).
21 * b) pre-charge with constant current (6)
22 * c) fast-charge, first with constant current (5) phase. After
24 * voltage phase until charging current has dropped to termination
30 *(4)` `.` ` ` ` ` ` ` ` ` ` ` ` ` ` ----------------------------.
32 * . o----+/:/ ` ` ` ` ` ` ` ` ` ` ` ` `.` ` (5)
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H A Dsmb347-charger.c1 // SPDX-License-Identifier: GPL-2.0-only
23 #include <dt-bindings/power/summit,smb347-charger.h>
26 #define SMB3XX_SOFT_TEMP_COMPENSATE_DEFAULT -1
29 #define SMB3XX_TEMP_USE_DEFAULT -273
34 * reloaded from non-volatile registers after POR.
136 * struct smb347_charger - smb347 charger instance
147 * @max_charge_current: maximum current (in uA) the battery can be charged
149 * @pre_charge_current: current (in uA) to use in pre-charging phase
150 * @termination_current: current (in uA) used to determine when the
151 * charging cycle terminates
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H A Dsc2731_charger.c1 // SPDX-License-Identifier: GPL-2.0
46 /* Default current definition (unit is mA) */
62 bool charging; member
69 regmap_update_bits(info->regmap, info->base + SC2731_CHG_CFG0, in sc2731_charger_stop_charge()
72 regmap_update_bits(info->regmap, info->base + SC2731_CHG_CFG0, in sc2731_charger_stop_charge()
80 /* Enable charger constant current mode */ in sc2731_charger_start_charge()
81 ret = regmap_update_bits(info->regmap, info->base + SC2731_CHG_CFG0, in sc2731_charger_start_charge()
86 /* Start charging */ in sc2731_charger_start_charge()
87 return regmap_update_bits(info->regmap, info->base + SC2731_CHG_CFG0, in sc2731_charger_start_charge()
105 return regmap_update_bits(info->regmap, info->base + SC2731_CHG_CFG5, in sc2731_charger_set_current_limit()
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H A Drt5033_charger.c1 // SPDX-License-Identifier: GPL-2.0-only
9 #include <linux/devm-helpers.h>
18 #include <linux/mfd/rt5033-private.h>
45 struct regmap *regmap = charger->regmap; in rt5033_get_charger_state()
71 /* For OTG mode, RT5033 would still report "charging" */ in rt5033_get_charger_state()
72 if (charger->otg) in rt5033_get_charger_state()
80 struct regmap *regmap = charger->regmap; in rt5033_get_charger_type()
102 struct regmap *regmap = charger->regmap; in rt5033_get_charger_current_limit()
118 struct regmap *regmap = charger->regmap; in rt5033_get_charger_const_voltage()
134 struct rt5033_charger_data *chg = &charger->chg; in rt5033_init_const_charge()
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H A Dab8500-bm.h1 /* SPDX-License-Identifier: GPL-2.0-only */
124 /* Main charge i/p current */
233 /* BatCtrl Current Source Constants */
267 * struct ab8500_fg_parameters - Fuel gauge algorithm parameters, in seconds
274 * @high_curr_time: Time current has to be high to go to recovery
275 * @accu_charging: FG accumulation time while charging
276 * @accu_high_curr_ua: FG accumulation time in high current mode
277 * @high_curr_threshold_ua: High current threshold, in uA
317 * struct ab8500_charger_maximization - struct used by the board config.
319 * @maxi_chg_curr_ua: Maximum charger current allowed in microampere
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H A Dbq24735-charger.c17 * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
20 #include <linux/devm-helpers.h>
32 #include <linux/power/bq24735-charger.h>
58 bool charging; member
113 struct bq24735_platform *pdata = charger->pdata; in bq24735_config_charger()
117 if (pdata->ext_control) in bq24735_config_charger()
120 if (pdata->charge_current) { in bq24735_config_charger()
121 value = pdata->charge_current & BQ24735_CHARGE_CURRENT_MASK; in bq24735_config_charger()
123 ret = bq24735_write_word(charger->client, in bq24735_config_charger()
126 dev_err(&charger->client->dev, in bq24735_config_charger()
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H A Dmax77693_charger.c1 // SPDX-License-Identifier: GPL-2.0+
3 // max77693_charger.c - Battery charger driver for the Maxim 77693
13 #include <linux/mfd/max77693-common.h>
14 #include <linux/mfd/max77693-private.h>
16 #define MAX77693_CHARGER_NAME "max77693-charger"
49 /* In high temp the charging current is reduced, but still charging */ in max77693_get_charger_state()
88 * Top-off: trickle or fast? In top-off the current varies between in max77693_get_charge_type()
89 * 100 and 250 mA. It is higher than prequalification current. in max77693_get_charge_type()
96 /* In high temp the charging current is reduced, but still charging */ in max77693_get_charge_type()
118 * - POWER_SUPPLY_HEALTH_DEAD
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/linux/Documentation/devicetree/bindings/rtc/
H A Drtc-palmas.txt4 - compatible:
5 - "ti,palmas-rtc" for palma series of the RTC controller
6 - interrupts: Interrupt number of RTC submodule on device.
10 - ti,backup-battery-chargeable: The Palmas series device like TPS65913 or
13 can be chargeable or non-chargeable. This flag will tells whether
14 battery is chargeable or not. If charging battery then driver can
15 enable the charging.
16 - ti,backup-battery-charge-high-current: Enable high current charging in
17 backup battery. Device supports the < 100uA and > 100uA charging.
18 The high current will be > 100uA. Absence of this property will
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/linux/include/linux/mfd/wm831x/
H A Dpdata.h1 /* SPDX-License-Identifier: GPL-2.0-or-later */
3 * include/linux/mfd/wm831x/pdata.h -- Platform data for WM831x
18 int max_uA; /** Maximum current to allow */
23 int no_constant_voltage; /** Disable constant voltage charging */
25 int ilim; /** Current limit in microamps */
29 int enable; /** Enable charging */
30 int fast_enable; /** Enable fast charging */
31 int off_mask; /** Mask OFF while charging */
32 int trickle_ilim; /** Trickle charge current limit, in mA */
34 int eoc_iterm; /** End of trickle charge current, in mA */
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/linux/Documentation/power/
H A Dpower_supply_class.rst8 properties to user-space.
25 typically expected feedback of battery charging/fully charged status and
60 +--------------------------------------------------------------------------+
61 | **Charge/Energy/Capacity - how to not confuse** |
62 +--------------------------------------------------------------------------+
66 | - `CHARGE_*` |
68 | - `ENERGY_*` |
70 | - `CAPACITY` |
72 +--------------------------------------------------------------------------+
83 this attribute represents operating status (charging, full,
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/linux/include/linux/platform_data/
H A Dlp8727.h1 /* SPDX-License-Identifier: GPL-2.0-only */
38 * @ichg : charging current
47 * @get_batt_present : check battery status - exists or not
51 * @ac : charging parameters for AC type charger
52 * @usb : charging parameters for USB type charger

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