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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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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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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,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
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:
29 description: GPIO used to turn on and off charging.
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/linux-6.12.1/drivers/power/supply/
Drt5033_charger.c1 // SPDX-License-Identifier: GPL-2.0-only
9 #include <linux/devm-helpers.h>
18 #include <linux/mfd/rt5033-private.h>
38 bool otg; member
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()
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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>
126 /* OTG/Host mode */
132 } otg; member
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()
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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
149 * @pre_charge_current: current (in uA) to use in pre-charging phase
151 * charging cycle terminates
153 * pre-charge to fast charge mode
158 * current [%100 - %130] (in degree C)
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Disp1704_charger.c1 // SPDX-License-Identifier: GPL-2.0-or-later
6 * Copyright (C) 2012 - 2013 Pali Rohár <pali@kernel.org>
22 #include <linux/usb/otg.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()
77 * Determine is the charging port DCP (dedicated charger) or CDP (Host/HUB
80 * REVISIT: The method is defined in Battery Charging Specification and is
103 /* Enable strong pull-up on DP (1.5K) and reset */ in isp1704_charger_type()
138 /* Clear the DP and DM pull-down bits */ in isp1704_charger_verify()
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DKconfig1 # SPDX-License-Identifier: GPL-2.0-only
5 Say Y here to enable power supply class support. This allows
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
90 Say Y here to enable battery monitor for Marvell 88PM860x chip.
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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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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 */
132 int usb_mode, ac_mode; /* charging mode requested */
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
211 * CGAIN == 1: (val * 1.6618 - 0.85 * 1000) * 2
219 return (regval * 16618 - 8500 * 1000) / 5; in regval2ua()
221 return (regval * 16618 - 8500 * 1000) / 10; in regval2ua()
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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
359 dev_dbg(di->dev, "SW Fallback: %d\n", fallback); in ab8500_enable_disable_sw_fallback()
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Dbq25890_charger.c1 // SPDX-License-Identifier: GPL-2.0-or-later
90 u8 ilim_en; /* enable ILIM pin */
113 char name[28]; /* "bq25890-charger-%d" */
272 * Most of the val -> idx conversions can be computed, given the minimum,
322 0, -10, -20, -30, -40, -60, -70, -80,
323 -90, -10, -120, -140, -150, -170, -190, -210,
367 ret = regmap_field_read(bq->rmap_fields[field_id], &val); in bq25890_field_read()
377 return regmap_field_write(bq->rmap_fields[field_id], val); in bq25890_field_write()
394 rtbl_size = (rtbl->max - rtbl->min) / rtbl->step + 1; in bq25890_find_idx()
397 idx < rtbl_size && (idx * rtbl->step + rtbl->min <= value); in bq25890_find_idx()
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Dmt6360_charger.c1 // SPDX-License-Identifier: GPL-2.0
6 #include <linux/devm-helpers.h>
163 ret = regmap_read(mci->regmap, MT6360_PMU_FOD_STAT, &regval); in mt6360_get_chrdet_ext_stat()
179 val->intval = pwr_rdy ? true : false; in mt6360_charger_get_online()
198 ret = regmap_read(mci->regmap, MT6360_PMU_CHG_STAT, &regval); in mt6360_charger_get_status()
214 ret = -EIO; in mt6360_charger_get_status()
218 val->intval = status; in mt6360_charger_get_status()
229 ret = regmap_read(mci->regmap, MT6360_PMU_CHG_STAT, &regval); in mt6360_charger_get_charge_type()
241 case 0x00: /* Not Charging */ in mt6360_charger_get_charge_type()
249 val->intval = type; in mt6360_charger_get_charge_type()
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Drt9455_charger.c1 // SPDX-License-Identifier: GPL-2.0-or-later
21 #define RT9455_DRIVER_NAME "rt9455-charger"
165 #define GET_MASK(fid) (BIT(rt9455_reg_fields[fid].msb + 1) - \
169 * Each array initialised below shows the possible real-world values for a
171 * ascending order. The index of each real-world value represents the value
265 for (i = 0; i < tbl_size - 1; i++) in rt9455_find_idx()
269 return (tbl_size - 1); in rt9455_find_idx()
279 ret = regmap_field_read(info->regmap_fields[field], &v); in rt9455_get_field_val()
283 v = (v >= tbl_size) ? (tbl_size - 1) : v; in rt9455_get_field_val()
295 return regmap_field_write(info->regmap_fields[field], idx); in rt9455_set_field_val()
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/linux-6.12.1/drivers/usb/phy/
Dphy-fsl-usb.c1 // SPDX-License-Identifier: GPL-2.0+
6 * Jerry Huang <Chang-Ming.Huang@freescale.com>
32 #include "phy-fsl-usb.h"
43 #define DRIVER_DESC "Freescale USB OTG Transceiver Driver"
46 static const char driver_name[] = "fsl-usb2-otg";
109 fsl_writel(temp, &usb_dr_regs->ulpiview); in write_ulpi()
113 /* -------------------------------------------------------------*/
114 /* Operations that will be called from OTG Finite State Machine */
121 tmp = fsl_readl(&usb_dr_regs->otgsc) & ~OTGSC_INTSTS_MASK; in fsl_otg_chrg_vbus()
124 /* stop discharging, start charging */ in fsl_otg_chrg_vbus()
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Dphy-gpio-vbus-usb.c1 // SPDX-License-Identifier: GPL-2.0
3 * gpio-vbus.c - simple GPIO VBUS sensing driver for B peripheral devices
20 #include <linux/usb/otg.h>
47 * some bouncing due to current surges (e.g. charging local capacitance)
60 struct regulator *vbus_draw = gpio_vbus->vbus_draw; in set_vbus_draw()
67 enabled = gpio_vbus->vbus_draw_enabled; in set_vbus_draw()
74 gpio_vbus->vbus_draw_enabled = 1; in set_vbus_draw()
81 gpio_vbus->vbus_draw_enabled = 0; in set_vbus_draw()
84 gpio_vbus->mA = mA; in set_vbus_draw()
89 return gpiod_get_value(gpio_vbus->vbus_gpiod); in is_vbus_powered()
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/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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/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 /*-------------------------------------------------------------------------*/
97 ? " (charging)" : ""), in dbg_chgstat()
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/linux-6.12.1/drivers/phy/ti/
Dphy-twl4030-usb.c1 // SPDX-License-Identifier: GPL-2.0-or-later
3 * twl4030_usb - TWL4030 USB transceiver, talking to OMAP OTG controller
5 * Copyright (C) 2004-2007 Texas Instruments
10 * - HS USB ULPI mode works.
11 * - 3-pin mode support may be added in future.
22 #include <linux/usb/otg.h>
138 * cable is present and we need to be runtime-enabled
175 /*-------------------------------------------------------------------------*/
186 dev_dbg(twl->dev, "Write%d[%d,0x%x] wrote %02x but read %02x\n", in twl4030_i2c_write_u8_verify()
194 dev_dbg(twl->dev, "Write%d[%d,0x%x] wrote %02x but read %02x\n", in twl4030_i2c_write_u8_verify()
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/linux-6.12.1/drivers/usb/musb/
Dtusb6010.c1 // SPDX-License-Identifier: GPL-2.0
3 * TUSB6010 USB 2.0 OTG Dual Role controller
9 * - Driver assumes that interface to external host (main CPU) is
27 #include <linux/dma-mapping.h>
36 struct gpio_desc *enable; member
51 void __iomem *tbase = musb->ctrl_base; in tusb_get_revision()
68 void __iomem *tbase = musb->ctrl_base; in tusb_print_revision()
71 rev = musb->tusb_revision; in tusb_print_revision()
96 * Workaround for spontaneous WBUS wake-up issue #2 for tusb3.0.
101 void __iomem *tbase = musb->ctrl_base; in tusb_wbus_quirk()
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/linux-6.12.1/drivers/extcon/
Dextcon-lc824206xa.c1 // SPDX-License-Identifier: GPL-2.0-or-later
8 * (ENA2222-D.PDF), but no full datasheet. So there is no documentation
11 * This driver is based on the register info from the extcon-fsa9285.c driver,
22 #include <linux/extcon-provider.h>
57 /* 5 bits? ADC 0x10 GND, 0x1a-0x1f ACA, 0x1f float */
82 * auto-reset to 0, so these must be set to 0 manually after clearing.
139 ret = i2c_smbus_read_byte_data(data->client, reg); in lc824206xa_read_reg()
141 dev_err(&data->client->dev, "Error %d reading reg 0x%02x\n", ret, reg); in lc824206xa_read_reg()
150 ret = i2c_smbus_write_byte_data(data->client, reg, val); in lc824206xa_write_reg()
152 dev_err(&data->client->dev, "Error %d writing reg 0x%02x\n", ret, reg); in lc824206xa_write_reg()
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/linux-6.12.1/drivers/phy/rockchip/
Dphy-rockchip-inno-usb2.c1 // SPDX-License-Identifier: GPL-2.0-or-later
9 #include <linux/clk-provider.h>
11 #include <linux/extcon-provider.h>
28 #include <linux/usb/otg.h>
50 * enum usb_chg_state - Different states involved in USB charger detection.
85 unsigned int enable; member
89 * struct rockchip_chg_det_reg - usb charger detect registers
90 * @cp_det: charging port detected successfully.
91 * @dcp_det: dedicated charging port detected successfully.
115 * struct rockchip_usb2phy_port_cfg - usb-phy port configuration.
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/linux-6.12.1/drivers/platform/x86/x86-android-tablets/
Dlenovo.c1 // SPDX-License-Identifier: GPL-2.0-or-later
8 * Copyright (C) 2021-2023 Hans de Goede <hdegoede@redhat.com>
27 #include "shared-psy-info.h"
28 #include "x86-android-tablets.h"
33 * The Android kernels have a hack in the i915 driver to write a non-standard
34 * panel specific DSI register to set the duty-cycle of the LCD's PWM output.
46 * But on some models the panel's PWM output defaults to a duty-cycle of
65 PROPERTY_ENTRY_U32("hid-descr-addr", 0x0001),
66 PROPERTY_ENTRY_U32("post-reset-deassert-delay-ms", 150),
75 * The HiDeep IST940E touchscreen comes up in I2C-HID mode. The native protocol
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/linux-6.12.1/arch/arm/boot/dts/ti/omap/
Domap4-epson-embt2ws.dts1 // SPDX-License-Identifier: GPL-2.0-only
5 /dts-v1/;
7 #include <dt-bindings/leds/common.h>
8 #include <dt-bindings/input/input.h>
12 model = "Epson Moverio BT-200";
20 backlight-left {
21 compatible = "pwm-backlight";
23 power-supply = <&unknown_supply>;
26 backlight-right {
27 compatible = "pwm-backlight";
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