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/openbmc/linux/Documentation/devicetree/bindings/power/supply/
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 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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/openbmc/linux/drivers/power/supply/
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 Dpower_supply_core.c1 // SPDX-License-Identifier: GPL-2.0-only
24 #include <linux/fixp-arith.h>
26 #include "samsung-sdi-battery.h"
44 if (!supply->supplied_from && !supplier->supplied_to) in __power_supply_is_supplied_by()
48 if (supply->supplied_from) { in __power_supply_is_supplied_by()
49 if (!supplier->desc->name) in __power_supply_is_supplied_by()
51 for (i = 0; i < supply->num_supplies; i++) in __power_supply_is_supplied_by()
52 if (!strcmp(supplier->desc->name, supply->supplied_from[i])) in __power_supply_is_supplied_by()
55 if (!supply->desc->name) in __power_supply_is_supplied_by()
57 for (i = 0; i < supplier->num_supplicants; i++) in __power_supply_is_supplied_by()
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H A Dsc27xx_fuel_gauge.c1 // SPDX-License-Identifier: GPL-2.0
10 #include <linux/nvmem-consumer.h>
80 * @charge_chan: IIO channel to get charge voltage
86 * @max_volt: the maximum constant input voltage in millivolt
87 * @min_volt: the minimum drained battery voltage in microvolt
88 * @boot_volt: the voltage measured during boot in microvolt
139 return DIV_S64_ROUND_CLOSEST(adc * 1000, data->cur_1000ma_adc); in sc27xx_fgu_adc_to_current()
144 return DIV_S64_ROUND_CLOSEST(adc * 1000, data->vol_1000mv_adc); in sc27xx_fgu_adc_to_voltage()
149 return DIV_ROUND_CLOSEST(vol * data->vol_1000mv_adc, 1000); in sc27xx_fgu_voltage_to_adc()
156 ret = regmap_read(data->regmap, in sc27xx_fgu_is_first_poweron()
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H A Dbq25890_charger.c1 // SPDX-License-Identifier: GPL-2.0-or-later
82 u8 ichg; /* charge current */
83 u8 vreg; /* regulation voltage */
86 u8 sysvmin; /* minimum system voltage limit */
87 u8 boostv; /* boost regulation voltage */
93 u8 vclamp; /* IBAT compensation voltage limit */
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,
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H A Dab8500_fg.c1 // SPDX-License-Identifier: GPL-2.0-only
3 * Copyright (C) ST-Ericsson AB 2012
5 * Main and Back-up battery management driver.
7 * Note: Backup battery management is required in case of Li-Ion battery and not
37 #include <linux/fixp-arith.h>
39 #include "ab8500-bm.h"
49 /* Currents higher than -500mA (dissipating) will make compensation unstable */
50 #define IGNORE_VBAT_HIGHCUR -500000
63 * struct ab8500_fg_interrupts - ab8500 fg interrupts
158 * struct ab8500_fg - ab8500 FG device information
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H A Dab8500_charger.c1 // SPDX-License-Identifier: GPL-2.0-only
3 * Copyright (C) ST-Ericsson SA 2012
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
228 * @vbat Battery voltage
229 * @old_vbat Previously measured battery voltage
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H A Dbq27xxx_battery.c1 // SPDX-License-Identifier: GPL-2.0
7 * Copyright (C) 2010-2011 Lars-Peter Clausen <lars@metafoo.de>
19 * https://www.ti.com/product/bq27510-g1
20 * https://www.ti.com/product/bq27510-g2
21 * https://www.ti.com/product/bq27510-g3
22 * https://www.ti.com/product/bq27520-g1
23 * https://www.ti.com/product/bq27520-g2
24 * https://www.ti.com/product/bq27520-g3
25 * https://www.ti.com/product/bq27520-g4
26 * https://www.ti.com/product/bq27530-g1
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/openbmc/linux/arch/arm64/boot/dts/qcom/
H A Dsc7180-trogdor.dtsi1 // SPDX-License-Identifier: (GPL-2.0+ OR MIT)
8 #include <dt-bindings/gpio/gpio.h>
9 #include <dt-bindings/input/gpio-keys.h>
10 #include <dt-bindings/input/input.h>
11 #include <dt-bindings/leds/common.h>
12 #include <dt-bindings/regulator/qcom,rpmh-regulator.h>
13 #include <dt-bindings/sound/sc7180-lpass.h>
16 #include "sc7180-firmware-tfa.dtsi"
22 thermal-zones {
23 charger_thermal: charger-thermal {
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/openbmc/linux/sound/soc/codecs/
H A Dwcd934x.c1 // SPDX-License-Identifier: GPL-2.0
5 #include <linux/clk-provider.h>
21 #include <sound/soc-dapm.h>
23 #include "wcd-clsh-v2.h"
24 #include "wcd-mbhc-v2.h"
430 COMPANDER_5, /* LO3_SE - not used in Tavil */
431 COMPANDER_6, /* LO4_SE - not used in Tavil */
520 .name = "WCD9335-IFC-DEV",
589 static const DECLARE_TLV_DB_SCALE(digital_gain, -8400, 100, -8400);
605 "Class H Invalid", "Class-H Hi-Fi", "Class-H Low Power", "Class-AB",
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