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/linux/drivers/power/supply/
H A Dcros_usbpd-charger.c1 // SPDX-License-Identifier: GPL-2.0+
3 * Power supply driver for ChromeOS EC based USB PD Charger.
5 * Copyright (c) 2014 - 2018 Google, Inc
26 #define DRV_NAME "cros-usbpd-charger"
42 struct charger_data *charger; member
82 return port->port_number >= port->charger->num_usbpd_ports; in cros_usbpd_charger_port_is_dedicated()
85 static int cros_usbpd_charger_ec_command(struct charger_data *charger, in cros_usbpd_charger_ec_command() argument
93 struct cros_ec_dev *ec_dev = charger->ec_dev; in cros_usbpd_charger_ec_command()
99 return -ENOMEM; in cros_usbpd_charger_ec_command()
101 msg->version = version; in cros_usbpd_charger_ec_command()
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H A Dact8945a_charger.c1 // SPDX-License-Identifier: GPL-2.0-only
3 * Power supply driver for the Active-semi ACT8945A PMIC
19 static const char *act8945a_charger_manufacturer = "Active-semi";
22 * ACT8945A Charger Register Map
209 static int act8945a_get_capacity_level(struct act8945a_charger *charger, in act8945a_get_capacity_level() argument
214 int lbo_level = gpiod_get_value(charger->lbo_gpio); in act8945a_get_capacity_level()
268 * Riset(K) = 2336 * (1V/Ichg(mA)) - 0.205
276 static int act8945a_get_current_max(struct act8945a_charger *charger, in act8945a_get_current_max() argument
282 int chgin_level = gpiod_get_value(charger->chglev_gpio); in act8945a_get_current_max()
346 struct act8945a_charger *charger = power_supply_get_drvdata(psy); in act8945a_charger_get_property() local
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H A Dmax8903_charger.c1 // SPDX-License-Identifier: GPL-2.0-or-later
3 * max8903_charger.c - Maxim 8903 USB/Adapter Charger Driver
27 struct gpio_desc *cen; /* Charger Enable input */
30 struct gpio_desc *chg; /* Charger status output */
32 struct gpio_desc *dcm; /* Current-Limit Mode input (1: DC, 2: USB) */
40 POWER_SUPPLY_PROP_STATUS, /* Charger status output */
53 val->intval = POWER_SUPPLY_STATUS_UNKNOWN; in max8903_get_property()
54 if (data->chg) { in max8903_get_property()
55 if (gpiod_get_value(data->chg)) in max8903_get_property()
57 val->intval = POWER_SUPPLY_STATUS_CHARGING; in max8903_get_property()
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H A Drt5033_charger.c1 // SPDX-License-Identifier: GPL-2.0-only
3 * Battery charger driver for RT5033
9 #include <linux/devm-helpers.h>
18 #include <linux/mfd/rt5033-private.h>
43 static int rt5033_get_charger_state(struct rt5033_charger *charger) in rt5033_get_charger_state() argument
45 struct regmap *regmap = charger->regmap; in rt5033_get_charger_state()
72 if (charger->otg) in rt5033_get_charger_state()
78 static int rt5033_get_charger_type(struct rt5033_charger *charger) in rt5033_get_charger_type() argument
80 struct regmap *regmap = charger->regmap; in rt5033_get_charger_type()
100 static int rt5033_get_charger_current_limit(struct rt5033_charger *charger) in rt5033_get_charger_current_limit() argument
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H A Dtps65217_charger.c1 // SPDX-License-Identifier: GPL-2.0
2 // Battery charger driver for TI's tps65217
8 * Battery charger driver for TI's tps65217
44 static int tps65217_config_charger(struct tps65217_charger *charger) in tps65217_config_charger() argument
53 * is not recommended to do so. In sleep mode, the charger continues in tps65217_config_charger()
55 * values. Therefore, the charger would get the wrong temperature in tps65217_config_charger()
61 * NTC TYPE (for battery temperature measurement) in tps65217_config_charger()
66 ret = tps65217_clear_bits(charger->tps, TPS65217_REG_CHGCONFIG1, in tps65217_config_charger()
70 dev_err(charger->dev, in tps65217_config_charger()
78 static int tps65217_enable_charging(struct tps65217_charger *charger) in tps65217_enable_charging() argument
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H A Dgpio-charger.c1 // SPDX-License-Identifier: GPL-2.0-or-later
3 * Copyright (C) 2010, Lars-Peter Clausen <lars@metafoo.de>
18 #include <linux/power/gpio-charger.h>
31 struct power_supply *charger; member
44 struct power_supply *charger = devid; in gpio_charger_irq() local
46 power_supply_changed(charger); in gpio_charger_irq()
59 int ndescs = gpio_charger->current_limit_gpios->ndescs; in set_charge_current_limit()
60 struct gpio_desc **gpios = gpio_charger->current_limit_gpios->desc; in set_charge_current_limit()
63 if (!gpio_charger->current_limit_map_size) in set_charge_current_limit()
64 return -EINVAL; in set_charge_current_limit()
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H A Dda9150-charger.c1 // SPDX-License-Identifier: GPL-2.0-or-later
3 * DA9150 Charger Driver
42 static inline int da9150_charger_supply_online(struct da9150_charger *charger, in da9150_charger_supply_online() argument
46 val->intval = (psy == charger->supply_online) ? 1 : 0; in da9150_charger_supply_online()
51 /* Charger Properties */
52 static int da9150_charger_vbus_voltage_now(struct da9150_charger *charger, in da9150_charger_vbus_voltage_now() argument
57 /* Read processed value - mV units */ in da9150_charger_vbus_voltage_now()
58 ret = iio_read_channel_processed(charger->vbus_chan, &v_val); in da9150_charger_vbus_voltage_now()
63 val->intval = v_val * 1000; in da9150_charger_vbus_voltage_now()
68 static int da9150_charger_ibus_current_avg(struct da9150_charger *charger, in da9150_charger_ibus_current_avg() argument
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H A Disp1704_charger.c1 // SPDX-License-Identifier: GPL-2.0-or-later
3 * ISP1704 USB Charger Detection driver
6 * Copyright (C) 2012 - 2013 Pali Rohár <pali@kernel.org>
63 return usb_phy_io_read(isp->phy, reg); in isp1704_read()
68 return usb_phy_io_write(isp->phy, val, reg); in isp1704_write()
73 gpiod_set_value(isp->enable_gpio, on); in isp1704_charger_set_power()
77 * Determine is the charging port DCP (dedicated charger) or CDP (Host/HUB
88 int type = POWER_SUPPLY_TYPE_USB_DCP; in isp1704_charger_type() local
103 /* Enable strong pull-up on DP (1.5K) and reset */ in isp1704_charger_type()
110 type = POWER_SUPPLY_TYPE_USB_CDP; in isp1704_charger_type()
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H A Dlt3651-charger.c1 // SPDX-License-Identifier: GPL-2.0+
3 * Driver for Analog Devices (Linear Technology) LT3651 charger IC.
19 struct power_supply *charger; member
28 struct power_supply *charger = devid; in lt3651_charger_irq() local
30 power_supply_changed(charger); in lt3651_charger_irq()
48 if (!lt3651_charger->chrg_gpio) { in lt3651_charger_get_property()
49 val->intval = POWER_SUPPLY_STATUS_UNKNOWN; in lt3651_charger_get_property()
52 if (gpiod_get_value(lt3651_charger->chrg_gpio)) in lt3651_charger_get_property()
53 val->intval = POWER_SUPPLY_STATUS_CHARGING; in lt3651_charger_get_property()
55 val->intval = POWER_SUPPLY_STATUS_NOT_CHARGING; in lt3651_charger_get_property()
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H A Dmp2629_charger.c1 // SPDX-License-Identifier: GPL-2.0-or-later
3 * MP2629 battery charger driver
140 "mp2629-batt-volt",
141 "mp2629-system-volt",
142 "mp2629-input-volt",
143 "mp2629-batt-current",
144 "mp2629-input-current",
147 static int mp2629_read_adc(struct mp2629_charger *charger, in mp2629_read_adc() argument
154 ret = iio_read_channel_processed(charger->iiochan[ch], &chval); in mp2629_read_adc()
158 val->intval = chval * 1000; in mp2629_read_adc()
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H A Drk817_charger.c1 // SPDX-License-Identifier: GPL-2.0+
3 * Charger Driver for Rockchip rk817
12 #include <linux/devm-helpers.h>
68 * soc - state of charge - like the BSP this is stored as a percentage,
143 return -EINVAL; in rk817_chg_cur_to_reg()
166 return -EINVAL; in rk817_chg_cur_from_reg()
170 static void rk817_bat_calib_vol(struct rk817_charger *charger) in rk817_bat_calib_vol() argument
177 regmap_bulk_read(charger->rk808->regmap, RK817_GAS_GAUGE_VCALIB0_H, in rk817_bat_calib_vol()
181 regmap_bulk_read(charger->rk808->regmap, RK817_GAS_GAUGE_VCALIB1_H, in rk817_bat_calib_vol()
186 charger->voltage_k = (4025 - 2300) * 1000 / in rk817_bat_calib_vol()
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H A Daxp288_charger.c1 // SPDX-License-Identifier: GPL-2.0-only
3 * axp288_charger.c - X-power AXP288 PMIC Charger driver
5 * Copyright (C) 2016-2017 Hans de Goede <hdegoede@redhat.com>
160 else if (cc > info->max_cc) in axp288_charger_set_cc()
161 cc = info->max_cc; in axp288_charger_set_cc()
163 reg_val = (cc - CHRG_CCCV_CC_OFFSET) / CHRG_CCCV_CC_LSB_RES; in axp288_charger_set_cc()
167 ret = regmap_update_bits(info->regmap, in axp288_charger_set_cc()
171 info->cc = cc; in axp288_charger_set_cc()
197 ret = regmap_update_bits(info->regmap, in axp288_charger_set_cv()
202 info->cv = cv; in axp288_charger_set_cv()
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H A Dmax8997_charger.c1 // SPDX-License-Identifier: GPL-2.0+
3 // max8997_charger.c - Power supply consumer driver for the Maxim 8997/8966
15 #include <linux/mfd/max8997-private.h>
17 #include <linux/devm-helpers.h>
46 POWER_SUPPLY_PROP_ONLINE, /* charger is active or not */
49 /* Note that the charger control is done by a current regulator "CHARGER" */
54 struct charger_data *charger = power_supply_get_drvdata(psy); in max8997_battery_get_property() local
55 struct i2c_client *i2c = charger->iodev->i2c; in max8997_battery_get_property()
61 val->intval = 0; in max8997_battery_get_property()
66 val->intval = POWER_SUPPLY_STATUS_FULL; in max8997_battery_get_property()
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/linux/Documentation/power/
H A Dcharger-manager.rst2 Charger Manager
7 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)
16 the system may need multiple instances of Charger Manager.
21 Charger Manager supports the following:
25 they may be activated at the same time. Each charger may have its
26 own power-supply-class and each power-supply-class can provide
28 aggregates charger-related information from multiple sources and
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/linux/Documentation/devicetree/bindings/mfd/
H A Dti,twl.yaml1 # SPDX-License-Identifier: GPL-2.0
3 ---
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
10 - Andreas Kemnade <andreas@kemnade.info>
19 - if:
26 "^regulator-":
30 - ti,twl4030-vaux1
31 - ti,twl4030-vaux2
32 - ti,twl4030-vaux3
33 - ti,twl4030-vaux4
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H A Dmaxim,max14577.yaml1 # SPDX-License-Identifier: GPL-2.0-only
3 ---
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
10 - Krzysztof Kozlowski <krzk@kernel.org>
17 includes voltage safeout regulators, charger and MicroUSB management IC.
20 includes voltage safeout and LDO regulators, charger, fuel-gauge and MicroUSB
26 - maxim,max14577
27 - maxim,max77836
35 wakeup-source: true
37 charger:
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H A Drichtek,rt5033.yaml1 # SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
3 ---
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
10 - Jakob Hauser <jahau@rocketmail.com>
13 RT5033 is a multifunction device which includes battery charger, fuel gauge,
30 The regulators of RT5033 have to be instantiated under a sub-node named
34 type: object
37 type: object
42 charger:
43 type: object
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H A Dmediatek,mt6370.yaml1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
3 ---
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
10 - ChiYuan Huang <cy_huang@richtek.com>
13 MT6370 is a highly-integrated smart power management IC, which includes a
14 single cell Li-Ion/Li-Polymer switching battery charger, a USB Type-C &
26 wakeup-source: true
31 interrupt-controller: true
33 "#interrupt-cells":
37 type: object
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/linux/Documentation/devicetree/bindings/power/supply/
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 - Sebastia
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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#
7 title: TI/National Semiconductor LP8727 Charger
10 - Sebastian Reichel <sre@kernel.org>
13 - $ref: power-supply.yaml#
25 debounce-ms:
30 type: object
34 charger-type:
36 - ac
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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#
7 title: Charger Manager
10 - Sebastian Reichel <sre@kernel.org>
13 Binding for the legacy charger manager driver.
18 const: charger-manager
20 cm-chargers:
22 $ref: /schemas/types.yaml#/definitions/string-array
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/linux/drivers/phy/ti/
H A Dphy-tusb1210.c1 // SPDX-License-Identifier: GPL-2.0-only
3 * tusb1210.c - TUSB1210 USB ULPI PHY driver
46 /* TUSB1210 charger detection work states */
77 struct device *dev = tusb->dev; in tusb1210_ulpi_write()
89 struct device *dev = tusb->dev; in tusb1210_ulpi_read()
107 gpiod_set_value_cansleep(tusb->gpio_reset, 1); in tusb1210_power_on()
108 gpiod_set_value_cansleep(tusb->gpio_cs, 1); in tusb1210_power_on()
113 tusb1210_ulpi_write(tusb, TUSB1210_VENDOR_SPECIFIC2, tusb->vendor_specific2); in tusb1210_power_on()
122 gpiod_set_value_cansleep(tusb->gpio_reset, 0); in tusb1210_power_off()
123 gpiod_set_value_cansleep(tusb->gpio_cs, 0); in tusb1210_power_off()
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/linux/drivers/regulator/
H A Dmax77693-regulator.c1 // SPDX-License-Identifier: GPL-2.0+
3 // max77693.c - Regulator driver for the Maxim 77693 and 77843
5 // Copyright (C) 2013-2015 Samsung Electronics
19 #include <linux/mfd/max77693-common.h>
20 #include <linux/mfd/max77693-private.h>
21 #include <linux/mfd/max77843-private.h>
46 * MAX77693 CHARGER regulator - Min : 20mA, Max : 2580mA, step : 20mA
48 * 0x04 ~ 0x7E = (60 + (X - 3) * 20) mA
58 unsigned int chg_min_uA = rdev->constraints->min_uA; in max77693_chg_get_current_limit()
59 unsigned int chg_max_uA = rdev->constraints->max_uA; in max77693_chg_get_current_limit()
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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
30 What: /sys/class/power_supply/<supply_name>/type
32 Contact: linux-pm@vger.kernel.org
34 Describes the main type of the supply.
43 Contact: linux-pm@vger.kernel.org
66 Contact: linux-pm@vger.kernel.org
81 Contact: linux-pm@vger.kernel.org
94 read-onl
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/linux/Documentation/devicetree/bindings/regulator/
H A Dmaxim,max8997.yaml1 # SPDX-License-Identifier: GPL-2.0-only
3 ---
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
10 - Krzysztof Kozlowski <krzk@kernel.org>
14 regulators, charger controller with fuel gauge, RTC, clock outputs, haptic
15 motor driver, flash LED driver and Micro-USB Interface Controller.
17 The binding here is not complete and describes only regulator and charger
22 const: maxim,max8997-pmic
24 charger-supply:
30 - description: irq1 interrupt
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