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/linux-6.12.1/Documentation/devicetree/bindings/power/supply/
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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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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Drichtek,rt9467.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>
11 - ChiaEn Wu <chiaen_wu@richtek.com>
14 RT9467 is a switch-mode single cell Li-Ion/Li-Polymer battery charger for
16 MOSFETs, input current sensing and regulation, high-accuracy voltage
20 The RT9467 also features USB On-The-Go (OTG) support. It also integrates
21 D+/D- pin for USB host/charging port detection.
24 https://www.richtek.com/assets/product_file/RT9467/DS9467-01.pdf
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Drichtek,rt9471.yaml1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
3 ---
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
10 - Alina Yu <alina_yu@richtek.com>
11 - ChiYuan Huang <cy_huang@richtek.com>
14 RT9471 is a switch-mode single cell Li-Ion/Li-Polymer battery charger for
15 portable applications. It supports USB BC1.2 port detection, current and
16 voltage regulations in both charging and boost mode.
19 https://www.richtek.com/assets/product_file/RT9471=RT9471D/DS9471D-02.pdf
28 charge-enable-gpios:
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/linux-6.12.1/drivers/power/supply/
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
140 * @usb: power_supply instance for USB power
141 * @usb_rdev: USB VBUS regulator device
144 * @usb_online: is USB input connected
146 * @usb_vbus_enabled: is USB VBUS powered by SMB charger
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Dab8500_charger.c1 // SPDX-License-Identifier: GPL-2.0-only
3 * Copyright (C) ST-Ericsson SA 2012
32 #include <linux/usb/otg.h>
36 #include "ab8500-bm.h"
37 #include "ab8500-chargalg.h"
94 /* Lowest charger voltage is 3.39V -> 0x4E */
112 /* UsbLineStatus register - usb types */
174 * struct ab8500_charger_interrupts - ab8500 interrupts
218 * struct ab8500_charger - ab8500 Charger device information
226 * @vddadc_en_usb: Indicate if VDD ADC supply is enabled because USB
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DKconfig1 # SPDX-License-Identifier: GPL-2.0-only
5 Say Y here to enable power supply class support. This allows
6 power supply (batteries, AC, USB) monitoring by userspace
15 Say Y here to enable debugging messages for power supply class
35 Say Y here to enable support APM status emulation using
42 Say Y here to enable support for the generic battery driver
57 Say Y here to enable support for the battery charger in the Maxim
64 Say Y here to enable support for the backup battery charger
71 Say Y here to enable support for the power management unit
78 Say Y here to enable support for the power management unit
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Dab8500_chargalg.c1 // SPDX-License-Identifier: GPL-2.0-only
3 * Copyright (C) ST-Ericsson SA 2012
6 * Charging algorithm driver for AB8500
34 #include "ab8500-bm.h"
35 #include "ab8500-chargalg.h"
40 /* End-of-charge criteria counter */
51 * full charging cycle in the case where maintenance charging
169 * struct ab8500_charge_curr_maximization - Charger maximization parameters
171 * @current_iset_ua: the charging current used at this moment
178 * @level: tells in how many steps the charging current has been
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Dab8500-bm.h1 /* SPDX-License-Identifier: GPL-2.0-only */
16 * USB/ULPI register offsets
61 * Charger / USB control register offsets
253 /* USB Power Path constants for ab8540 */
267 * struct ab8500_fg_parameters - Fuel gauge algorithm parameters, in seconds
275 * @accu_charging: FG accumulation time while charging
288 * @pcut_enable: Enable power cut feature in ab8505
317 * struct ab8500_charger_maximization - struct used by the board config.
318 * @use_maxi: Enable maximization for this battery type
331 * struct ab8500_bm_capacity_levels - ab8500 capacity level data
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Dsc2731_charger.c1 // SPDX-License-Identifier: GPL-2.0
7 #include <linux/usb/phy.h>
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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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>
18 #include <linux/usb/otg.h>
134 /* SDP/CDP/DCP USB charging cable notifications */
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()
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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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Dtwl4030_charger.c1 // SPDX-License-Identifier: GPL-2.0-or-later
21 #include <linux/usb/otg.h>
73 #define TWL4030_ICHGEOC BIT(4) /* Battery current end-of-charge */
110 MODULE_PARM_DESC(allow_usb, "Allow USB charge drawing default current");
115 struct power_supply *usb; member
132 int usb_mode, ac_mode; /* charging mode requested */
137 /* When setting the USB current we slowly increase the
207 * CGAIN == 0: ICHG = (BCIICHG * 1.7) / (2^10 - 1) - 0.85
208 * CGAIN == 1: ICHG = (BCIICHG * 3.4) / (2^10 - 1) - 1.7
210 * CGAIN == 0: val * 1.6618 - 0.85 * 1000
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Dmax8925_power.c1 // SPDX-License-Identifier: GPL-2.0-only
5 * Copyright (c) 2009-2010 Marvell International Ltd.
69 struct power_supply *usb; member
85 static int __set_charger(struct max8925_power_info *info, int enable) in __set_charger() argument
87 struct max8925_chip *chip = info->chip; in __set_charger()
88 if (enable) { in __set_charger()
89 /* enable charger in platform */ in __set_charger()
90 if (info->set_charger) in __set_charger()
91 info->set_charger(1); in __set_charger()
92 /* enable charger */ in __set_charger()
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D88pm860x_charger.c1 // SPDX-License-Identifier: GPL-2.0-only
69 /* bit definitions of Measurement Enable 1 Register */
72 /* bit definitions of Measurement Enable 3 Register */
86 /* over-temperature on PM8606 setting */
90 /* over-voltage protect on vchg setting mv */
102 struct power_supply *usb; member
107 unsigned online:1; /* usb charger */
113 "battery-monitor",
121 ret = pm860x_bulk_read(info->i2c, PM8607_VCHG_MEAS1, 2, buf); in measure_vchg()
129 dev_dbg(info->dev, "%s, vchg: %d mv\n", __func__, *data); in measure_vchg()
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Dcharger-manager.c1 // SPDX-License-Identifier: GPL-2.0-only
7 * during suspend-to-mem.
23 #include <linux/power/charger-manager.h>
34 { "USB", EXTCON_USB },
35 { "USB-HOST", EXTCON_USB_HOST },
40 { "FAST-CHARGER", EXTCON_CHG_USB_FAST },
41 { "SLOW-CHARGER", EXTCON_CHG_USB_SLOW },
49 { "CHARGE-DOWNSTREAM", EXTCON_CHG_USB_CDP },
53 * Default temperature threshold for charging.
78 /* About in-suspend (suspend-again) monitoring */
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Dqcom_smbb.c1 // SPDX-License-Identifier: GPL-2.0-only
4 * This driver is for the multi-block Switch-Mode Battery Charger and Boost
6 * integrated, single-cell lithium-ion battery charger.
8 * Sub-components:
9 * - Charger core
10 * - Buck
11 * - DC charge-path
12 * - USB charge-path
13 * - Battery interface
14 * - Boost (not implemented)
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Dtps65217_charger.c1 // SPDX-License-Identifier: GPL-2.0
54 * charging the battery, but all register values are reset to default 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()
83 if (charger->online) in tps65217_enable_charging()
86 dev_dbg(charger->dev, "%s: enable charging\n", __func__); in tps65217_enable_charging()
87 ret = tps65217_set_bits(charger->tps, TPS65217_REG_CHGCONFIG1, in tps65217_enable_charging()
92 dev_err(charger->dev, in tps65217_enable_charging()
98 charger->online = 1; in tps65217_enable_charging()
110 val->intval = charger->online; in tps65217_charger_get_property()
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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>
22 #include <linux/usb/otg.h>
23 #include <linux/usb/ulpi.h>
24 #include <linux/usb/ch9.h>
25 #include <linux/usb/gadget.h>
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()
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/linux-6.12.1/Documentation/ABI/testing/
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
37 Valid values: "Battery", "UPS", "Mains", "USB", "Wireless"
39 **Battery and USB properties**
43 Contact: linux-pm@vger.kernel.org
52 USB:
61 used for discharging batteries, positive values for charging
62 batteries and for USB IBUS current.
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Dsysfs-platform-asus-wmi6 Change CPU clock configuration (write-only).
9 * 0 -> Super Performance Mode
10 * 1 -> High Performance Mode
11 * 2 -> Power Saving Mode
47 * 0 - normal,
48 * 1 - overboost,
49 * 2 - silent
57 * 0 - default,
58 * 1 - overboost,
59 * 2 - silent
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/linux-6.12.1/drivers/mfd/
Dtps65010.c1 // SPDX-License-Identifier: GPL-2.0-or-later
3 * tps65010 - driver for tps6501x power management chips
6 * Copyright (C) 2004-2005 David Brownell
27 /*-------------------------------------------------------------------------*/
37 /*-------------------------------------------------------------------------*/
40 * voltage regulators, lithium ion/polymer battery charging, GPIOs, LEDs,
47 * battery-insert != device-on.
65 unsigned charging:1; member
84 /*-------------------------------------------------------------------------*/
92 (chgstatus & TPS_CHG_USB) ? " USB" : "", in dbg_chgstat()
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/linux-6.12.1/drivers/platform/x86/
Dlenovo-yoga-tab2-pro-1380-fastcharger.c1 // SPDX-License-Identifier: GPL-2.0-or-later
3 * Support for the custom fast charging protocol found on the Lenovo Yoga
26 #define YT2_1380_FC_PDEV_NAME "lenovo-yoga-tab2-pro-1380-fastcharger"
28 #define YT2_1380_FC_SERDEV_NAME "serial0-0"
29 #define YT2_1380_FC_EXTCON_NAME "i2c-lc824206xa"
49 static int yt2_1380_fc_set_gpio_mode(struct yt2_1380_fc *fc, bool enable) in yt2_1380_fc_set_gpio_mode() argument
51 struct pinctrl_state *state = enable ? fc->gpio_state : fc->uart_state; in yt2_1380_fc_set_gpio_mode()
54 ret = pinctrl_select_state(fc->pinctrl, state); in yt2_1380_fc_set_gpio_mode()
56 dev_err(fc->dev, "Error %d setting pinctrl state\n", ret); in yt2_1380_fc_set_gpio_mode()
66 return extcon_get_state(fc->extcon, EXTCON_CHG_USB_DCP) > 0; in yt2_1380_fc_dedicated_charger_connected()
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/linux-6.12.1/drivers/platform/arm64/
DKconfig1 # SPDX-License-Identifier: GPL-2.0-only
3 # EC-like Drivers for aarch64 based devices.
7 bool "ARM64 Platform-Specific Device Drivers"
11 Say Y here to get to see options for platform-specific device drivers
12 for arm64 based devices, primarily EC-like device drivers.
27 Say Y here to enable the EC driver for the (Snapdragon-based)
28 Acer Aspire 1 laptop. The EC handles battery and charging
30 and USB Type-C DP HPD events.
42 Driver for the Embedded Controller in the Qualcomm Snapdragon-based
/linux-6.12.1/arch/arm/boot/dts/rockchip/
Drk3188-bqedison2qc.dts1 // SPDX-License-Identifier: (GPL-2.0+ OR MIT)
7 /dts-v1/;
8 #include <dt-bindings/i2c/i2c.h>
9 #include <dt-bindings/input/input.h>
10 #include <dt-bindings/interrupt-controller/irq.h>
14 model = "BQ Edison2 Quad-Core";
15 compatible = "mundoreader,bq-edison2qc", "rockchip,rk3188";
29 compatible = "pwm-backlight";
30 power-supply = <&vsys>;
34 gpio-keys {
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