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/openbmc/linux/Documentation/devicetree/bindings/power/supply/
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
[all …]
H A Drichtek,rt9455.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 richtek,output-charge-current:
29 richtek,end-of-charge-percentage:
32 percent of the output charge current. When the current in constant-voltage phase drops
33 below output_charge_current x end-of-charge-percentage, charge is terminated.
35 richtek,battery-regulation-voltage:
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H A 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
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
34 device-chemistry:
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H A Drichtek,rt5033-charger.yaml1 # SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
3 ---
4 $id: http://devicetree.org/schemas/power/supply/richtek,rt5033-charger.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
10 - Jakob Hauser <jahau@rocketmail.com>
14 under sub-node named "charger" using the following format.
18 const: richtek,rt5033-charger
20 monitored-battery:
26 precharge-current-microamp:
27 Current of pre-charge mode. The pre-charge current levels are 350 mA
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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#
[all …]
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 Dbq24257.yaml1 # SPDX-License-Identifier: GPL-2.0
4 ---
6 $schema: http://devicetree.org/meta-schemas/core.yaml#
8 title: Bq24250, bq24251 and bq24257 Li-Ion Charger
11 - Sebastian Reichel <sre@kernel.org>
14 - $ref: power-supply.yaml#
19 - ti,bq24250
20 - ti,bq24251
21 - ti,bq24257
29 ti,battery-regulation-voltage:
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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
[all …]
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:
25 Battery constant voltage in uV. The charger will operate in fast
26 charge constant current mode till battery voltage reaches this level.
27 Then the charger will switch to fast charge constant voltage mode.
28 Also vsys (system voltage) will be set to this value when DC power is
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H A Dsc2731-charger.yaml1 # SPDX-License-Identifier: GPL-2.0
3 ---
4 $id: http://devicetree.org/schemas/power/supply/sc2731-charger.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
10 - Sebastian Reichel <sre@kernel.org>
13 - $ref: power-supply.yaml#
17 const: sprd,sc2731-charger
26 monitored-battery:
29 - charge-term-current-microamp: current for charge termination phase.
30 - constant-charge-voltage-max-microvolt: maximum constant input voltage.
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H A Dbq256xx.yaml1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
4 ---
6 $schema: http://devicetree.org/meta-schemas/core.yaml#
11 - Andrew Davis <afd@ti.com>
14 The bq256xx devices are a family of highly-integrated battery charge
15 management and system power management ICs for single cell Li-ion and Li-
19 - https://www.ti.com/lit/ds/symlink/bq25600.pdf
20 - https://www.ti.com/lit/ds/symlink/bq25601.pdf
21 - https://www.ti.com/lit/ds/symlink/bq25600d.pdf
22 - https://www.ti.com/lit/ds/symlink/bq25601d.pdf
[all …]
H A Dbq24190.yaml1 # SPDX-License-Identifier: GPL-2.0
4 ---
6 $schema: http://devicetree.org/meta-schemas/core.yaml#
8 title: TI BQ2419x Li-Ion Battery Charger
11 - Sebastian Reichel <sre@kernel.org>
14 - $ref: power-supply.yaml#
19 - ti,bq24190
20 - ti,bq24192
21 - ti,bq24192i
22 - ti,bq24196
[all …]
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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/openbmc/linux/arch/arm/boot/dts/microchip/
H A Dat91-natte.dtsi1 // SPDX-License-Identifier: GPL-2.0+
3 * at91-natte.dts - Device Tree include file for the Natte board
11 mux: mux-controller {
12 compatible = "gpio-mux";
13 #mux-control-cells = <0>;
15 mux-gpios = <&ioexp 0 GPIO_ACTIVE_HIGH>,
20 batntc-mux {
21 compatible = "io-channel-mux";
22 io-channels = <&adc 5>;
23 io-channel-names = "parent";
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/openbmc/linux/Documentation/power/
H A Dpower_supply_class.rst8 properties to user-space.
60 +--------------------------------------------------------------------------+
61 | **Charge/Energy/Capacity - how to not confuse** |
62 +--------------------------------------------------------------------------+
63 | **Because both "charge" (µAh) and "energy" (µWh) represents "capacity" |
66 | - `CHARGE_*` |
68 | - `ENERGY_*` |
70 | - `CAPACITY` |
72 +--------------------------------------------------------------------------+
88 batteries can typically charge at different rates.
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/openbmc/linux/drivers/power/supply/
H A Drk817_charger.c1 // SPDX-License-Identifier: GPL-2.0+
12 #include <linux/devm-helpers.h>
59 * voltage readings. While they are documented in the BSP kernel and
68 * soc - state of charge - like the BSP this is stored as a percentage,
69 * to the thousandth. BSP has a display state of charge (dsoc) and a
70 * remaining state of charge (rsoc). This value will be used for both
72 * charge and just report it as it is. Note for example an soc of 100
143 return -EINVAL; in rk817_chg_cur_to_reg()
166 return -EINVAL; in rk817_chg_cur_from_reg()
176 /* calibrate voltage */ in rk817_bat_calib_vol()
[all …]
H A 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
180 * When the charger is in charge mode, REG02[7:2] represent battery regulation
181 * voltage.
198 * voltage.
200 /* REG02[7:2] (Boost output voltage) in uV */
265 for (i = 0; i < tbl_size - 1; i++) in rt9455_find_idx()
[all …]
H A Dbd99954-charger.c1 // SPDX-License-Identifier: GPL-2.0-only
17 * Curve (2) represents battery voltage.
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
23 * the battery voltage has reached target level (4) we have constant
24 * voltage phase until charging current has dropped to termination
30 *(4)` `.` ` ` ` ` ` ` ` ` ` ` ` ` ` ----------------------------.
32 * . o----+/:/ ` ` ` ` ` ` ` ` ` ` ` ` `.` ` (5)
34 * . + /- -- .
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H A Dcpcap-charger.c1 // SPDX-License-Identifier: GPL-2.0-only
10 * Copyright (C) 2009-2010 Motorola, Inc.
31 #include <linux/mfd/motorola-cpcap.h>
38 * similar. Also see the Motorola Linux kernel cpcap-regbits.h. CPCAP_REG_CHRGR_1
45 #define CPCAP_REG_CRM_ICHRG_TR1 BIT(11) /* Trickle charge current */
49 #define CPCAP_REG_CRM_VCHRG3 BIT(7) /* Charge voltage bits */
53 #define CPCAP_REG_CRM_ICHRG3 BIT(3) /* Charge current bits */
58 /* CPCAP_REG_CRM trickle charge voltages */
66 * CPCAP_REG_CRM charge voltages based on the ADC channel 1 values.
89 * CPCAP_REG_CRM charge currents. These seem to match MC13783UG.pdf
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/openbmc/linux/include/linux/
H A Dpower_supply.h1 /* SPDX-License-Identifier: GPL-2.0-only */
226 /* Run-time specific power supply configuration */
354 int vbat_uv; /* Battery voltage in microvolt */
359 * struct power_supply_maintenance_charge_table - setting for maintenace charging
361 * the charge of the battery full as current is consumed after full charging.
363 * reach this voltage the maintenance charging current is turned off. It is
364 * turned back on if we fall below this voltage.
365 * @charge_voltage_max_uv: maintenance charging voltage that is usually a bit
367 * charge_current_max_ua until we get back up to this voltage.
371 * maintenance charge current and voltage pair in respective array and wait
[all …]
/openbmc/linux/arch/arm/mach-pxa/
H A Dsharpsl_pm.c1 // SPDX-License-Identifier: GPL-2.0-only
3 * Battery and Power Management code for the Sharp SL-C7xx and SL-Cxx00
6 * Copyright (c) 2004-2005 Richard Purdie
17 #include <linux/apm-emulation.h>
25 #include <asm/mach-types.h>
27 #include "pxa2xx-regs.h"
28 #include "regs-rtc.h"
173 /* max1111 accepts channels from 0-3, however, in sharpsl_pm_pxa_read_max1111()
174 * it is encoded from 0-7 here in the code. in sharpsl_pm_pxa_read_max1111()
179 static int get_percentage(int voltage) in get_percentage() argument
[all …]
/openbmc/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
66 Contact: linux-pm@vger.kernel.org
81 Contact: linux-pm@vger.kernel.org
94 read-only reporting, unless the 'online' state of the supply
106 Contact: linux-pm@vger.kernel.org
124 Contact: linux-pm@vger.kernel.org
[all …]
/openbmc/linux/arch/arm64/boot/dts/rockchip/
H A Drk3326-odroid-go2.dts1 // SPDX-License-Identifier: (GPL-2.0+ OR MIT)
8 /dts-v1/;
9 #include "rk3326-odroid-go.dtsi"
12 model = "ODROID-GO Advance";
13 compatible = "hardkernel,rk3326-odroid-go2", "rockchip,rk3326";
15 analog_sticks: adc-joystick {
16 compatible = "adc-joystick";
17 io-channels = <&saradc 1>,
19 poll-interval = <60>;
20 #address-cells = <1>;
[all …]
H A Drk3566-anbernic-rg353vs.dts1 // SPDX-License-Identifier: (GPL-2.0+ OR MIT)
3 /dts-v1/;
5 #include <dt-bindings/gpio/gpio.h>
6 #include <dt-bindings/input/linux-event-codes.h>
7 #include <dt-bindings/pinctrl/rockchip.h>
8 #include "rk3566-anbernic-rg353x.dtsi"
21 compatible = "simple-battery";
22 charge-full-design-microamp-hours = <3151000>;
23 charge-term-current-microamp = <300000>;
24 constant-charge-current-max-microamp = <2000000>;
[all …]
/openbmc/linux/include/linux/mfd/
H A Drt5033-private.h1 /* SPDX-License-Identifier: GPL-2.0-only */
116 /* RT5033 charger property - model, manufacturer */
121 * While RT5033 charger can limit the fast-charge current (as in CHGCTRL1
134 /* RT5033 charger minimum input voltage regulation */
171 /* RT5033 charger constant charge voltage (as in CHGCTRL2 register), uV */
177 /* RT5033 charger pre-charge current limits (as in CHGCTRL4 register), uA */
183 /* RT5033 charger fast-charge current (as in CHGCTRL5 register), uA */
190 * RT5033 charger const-charge end of charger current (
200 * RT5033 charger pre-charge threshold volt limits
218 /* RT5033 regulator BUCK output voltage uV */
[all …]

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