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/kernel/linux/linux-6.6/drivers/power/supply/
Dab8500_bmdata.c1 // SPDX-License-Identifier: GPL-2.0
6 #include "ab8500-bm.h"
10 /* Default: between this temp and AB8500_TEMP_UNDER charging is reduced */
12 /* Default: between this temp and AB8500_TEMP_OVER charging is reduced */
14 /* Default: over this temp, charging is stopped */
47 * Note that the batres_vs_temp table must be strictly sorted by falling
48 * temperature values to work. Factory resistance is 300 mOhm and the
49 * resistance values to the right are percentages of 300 mOhm.
52 { .temp = 40, .resistance = 40 /* 120 mOhm */ },
53 { .temp = 30, .resistance = 45 /* 135 mOhm */ },
[all …]
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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Dsc27xx_fuel_gauge.c1 // SPDX-License-Identifier: GPL-2.0
10 #include <linux/nvmem-consumer.h>
81 * @internal_resist: the battery internal resistance in mOhm
89 * @table_len: the capacity table length
90 * @resist_table_len: the resistance table length
93 * @calib_resist: the real resistance of coulomb counter chip in uOhm
94 * @cap_table: capacity table with corresponding ocv
95 * @resist_table: resistance percent table with corresponding temperature
128 static int sc27xx_fgu_get_temp(struct sc27xx_fgu_data *data, int *temp);
139 return DIV_S64_ROUND_CLOSEST(adc * 1000, data->cur_1000ma_adc); in sc27xx_fgu_adc_to_current()
[all …]
Dsamsung-sdi-battery.c1 // SPDX-License-Identifier: GPL-2.0
8 * The BTI (battery type indicator) resistance in the code drops was very
9 * unreliable. The resistance listed here was obtained by simply measuring
10 * the BTI resistance with a multimeter on the battery.
14 #include "samsung-sdi-battery.h"
23 * Voltage to internal resistance tables. The internal resistance varies
24 * depending on the VBAT voltage, so look this up from a table. Different
425 * Temperature to internal resistance scaling tables.
427 * "resistance" is the percentage of the resistance determined from the voltage
430 * FIXME: the proper table is missing: Samsung does not provide the necessary
[all …]
/kernel/linux/linux-5.10/include/linux/mfd/
Dabx500.h1 /* SPDX-License-Identifier: GPL-2.0-only */
3 * Copyright (C) 2007-2009 ST-Ericsson AB
45 * struct abx500_res_to_temp - defines one point in a temp to res curve. To
48 * @temp: battery pack temperature in Celsius
49 * @resist: NTC resistor net total resistance
52 int temp; member
57 * struct abx500_v_to_cap - Table for translating voltage to capacity
70 * struct abx500_fg_parameters - Fuel gauge algorithm parameters, in seconds
122 * struct abx500_charger_maximization - struct used by the board config.
136 * struct abx500_battery_type - different batteries supported
[all …]
/kernel/linux/linux-5.10/Documentation/devicetree/bindings/power/supply/
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 over-voltage-threshold-microvolt:
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Dsc27xx-fg.txt4 - compatible: Should be one of the following:
5 "sprd,sc2720-fgu",
6 "sprd,sc2721-fgu",
7 "sprd,sc2723-fgu",
8 "sprd,sc2730-fgu",
9 "sprd,sc2731-fgu".
10 - reg: The address offset of fuel gauge unit.
11 - battery-detect-gpios: GPIO for battery detection.
12 - io-channels: Specify the IIO ADC channels to get temperature and charge voltage.
13 - io-channel-names: Should be "bat-temp" or "charge-vol".
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/kernel/linux/linux-6.6/Documentation/devicetree/bindings/power/supply/
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:
[all …]
Dsc27xx-fg.yaml1 # SPDX-License-Identifier: GPL-2.0
3 ---
4 $id: http://devicetree.org/schemas/power/supply/sc27xx-fg.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
10 - Sebastian Reichel <sre@kernel.org>
13 - $ref: power-supply.yaml#
18 - sprd,sc2720-fgu
19 - sprd,sc2721-fgu
20 - sprd,sc2723-fgu
21 - sprd,sc2730-fgu
[all …]
/kernel/linux/linux-5.10/drivers/power/supply/
Dpower_supply_core.c1 // SPDX-License-Identifier: GPL-2.0-only
42 if (!supply->supplied_from && !supplier->supplied_to) in __power_supply_is_supplied_by()
46 if (supply->supplied_from) { in __power_supply_is_supplied_by()
47 if (!supplier->desc->name) in __power_supply_is_supplied_by()
49 for (i = 0; i < supply->num_supplies; i++) in __power_supply_is_supplied_by()
50 if (!strcmp(supplier->desc->name, supply->supplied_from[i])) in __power_supply_is_supplied_by()
53 if (!supply->desc->name) in __power_supply_is_supplied_by()
55 for (i = 0; i < supplier->num_supplicants; i++) in __power_supply_is_supplied_by()
56 if (!strcmp(supplier->supplied_to[i], supply->desc->name)) in __power_supply_is_supplied_by()
69 if (pst->desc->external_power_changed) in __power_supply_changed_work()
[all …]
Dsc27xx_fuel_gauge.c1 // SPDX-License-Identifier: GPL-2.0
10 #include <linux/nvmem-consumer.h>
81 * @internal_resist: the battery internal resistance in mOhm
89 * @table_len: the capacity table length
90 * @resist_table_len: the resistance table length
93 * @calib_resist: the real resistance of coulomb counter chip in uOhm
94 * @cap_table: capacity table with corresponding ocv
95 * @resist_table: resistance percent table with corresponding temperature
128 static int sc27xx_fgu_get_temp(struct sc27xx_fgu_data *data, int *temp);
139 return DIV_S64_ROUND_CLOSEST(adc * 1000, data->cur_1000ma_adc); in sc27xx_fgu_adc_to_current()
[all …]
Dab8500_btemp.c1 // SPDX-License-Identifier: GPL-2.0-only
3 * Copyright (C) ST-Ericsson SA 2012
28 #include <linux/mfd/abx500/ab8500-bm.h>
33 #define BTEMP_THERMAL_LOW_LIMIT -10
49 * struct ab8500_btemp_interrupts - ab8500 interrupts
75 * struct ab8500_btemp - ab8500 BTEMP device information
123 * ab8500_btemp_get() - returns a reference to the primary AB8500 BTEMP
133 * ab8500_btemp_batctrl_volt_to_res() - convert batctrl voltage to resistance
138 * This function returns the battery resistance that is
147 if (is_ab8500_1p1_or_earlier(di->parent)) { in ab8500_btemp_batctrl_volt_to_res()
[all …]
/kernel/linux/linux-6.6/drivers/iio/adc/
Dqcom-vadc-common.c1 // SPDX-License-Identifier: GPL-2.0
5 #include <linux/fixp-arith.h>
6 #include <linux/iio/adc/qcom-vadc-common.h>
14 * struct vadc_map_pt - Map the graph representation for ADC channel
17 * resistance.
26 {1758, -40000 },
27 {1742, -35000 },
28 {1719, -30000 },
29 {1691, -25000 },
30 {1654, -20000 },
[all …]
/kernel/linux/linux-5.10/drivers/iio/adc/
Dqcom-vadc-common.c1 // SPDX-License-Identifier: GPL-2.0
11 #include "qcom-vadc-common.h"
15 {1758, -40},
16 {1742, -35},
17 {1719, -30},
18 {1691, -25},
19 {1654, -20},
20 {1608, -15},
21 {1551, -10},
22 {1483, -5},
[all …]
Dqcom-vadc-common.h1 /* SPDX-License-Identifier: GPL-2.0 */
14 /* Max ADC code represents full-scale range of 1.8V */
32 /* Default decimation - 1024 for rev2, 840 for pmic5 */
45 #define PMI_CHG_SCALE_1 -138890
55 #define DIE_TEMP_ADC7_SCALE_1 -60000
61 * struct vadc_map_pt - Map the graph representation for ADC channel
64 * resistance.
82 * struct vadc_linear_graph - Represent ADC characteristics.
97 * struct vadc_prescale_ratio - Represent scaling ratio for ADC input.
107 * enum vadc_scale_fn_type - Scaling function to convert ADC code to
[all …]
/kernel/linux/linux-6.6/include/linux/
Dpower_supply.h1 /* SPDX-License-Identifier: GPL-2.0-only */
226 /* Run-time specific power supply configuration */
349 int temp; /* celsius */ member
350 int resistance; /* internal resistance percent */ member
355 int ri_uohm; /* Internal resistance in microohm */
359 * struct power_supply_maintenance_charge_table - setting for maintenace charging
392 * +-------------------------------------------------------------------> t
394 * Practically this means that the Li-ions are wandering back and forth in the
405 * +-------------------------------------------------------------------> t
407 * Maintenance charging uses the voltages from this table: a table of settings
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/kernel/linux/linux-5.10/include/linux/mfd/abx500/
Dab8500-bm.h1 /* SPDX-License-Identifier: GPL-2.0-only */
3 * Copyright ST-Ericsson 2012.
277 * struct res_to_temp - defines one point in a temp to res curve. To
280 * @temp: battery pack temperature in Celsius
281 * @resist: NTC resistor net total resistance
284 int temp; member
289 * struct batres_vs_temp - defines one point in a temp vs battery internal
290 * resistance curve.
291 * @temp: battery pack temperature in Celsius
295 int temp; member
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/kernel/linux/linux-5.10/drivers/hwmon/
Dab8500.c1 // SPDX-License-Identifier: GPL-2.0-only
3 * Copyright (C) ST-Ericsson 2010 - 2013
17 #include <linux/hwmon-sysfs.h>
19 #include <linux/mfd/abx500/ab8500-bm.h>
57 * VCC----[ R_up ]-----[ NTC ]----GND
58 * where R_up is pull-up resistance, and GPADC measures voltage on NTC.
59 * and res_to_temp table is strictly sorted by falling resistance values.
62 int v_ntc, int *temp) in ab8500_voltage_to_temp() argument
64 int r_ntc, i = 0, tbl_sz = cfg->tbl_sz; in ab8500_voltage_to_temp()
65 const struct abx500_res_to_temp *tbl = cfg->temp_tbl; in ab8500_voltage_to_temp()
[all …]
Dntc_thermistor.c1 // SPDX-License-Identifier: GPL-2.0-or-later
3 * ntc_thermistor.c - NTC Thermistors
33 * Used as index in a zero-terminated array, holes not allowed so
63 * A compensation table should be sorted by the values of .ohm
69 { .temp_c = -40, .ohm = 1747920 },
70 { .temp_c = -35, .ohm = 1245428 },
71 { .temp_c = -30, .ohm = 898485 },
72 { .temp_c = -25, .ohm = 655802 },
73 { .temp_c = -20, .ohm = 483954 },
74 { .temp_c = -15, .ohm = 360850 },
[all …]
/kernel/linux/linux-5.10/include/linux/
Dpower_supply.h1 /* SPDX-License-Identifier: GPL-2.0-only */
217 /* Run-time specific power supply configuration */
339 int temp; /* celsius */ member
340 int resistance; /* internal resistance percent */ member
350 * The default field value is -EINVAL.
355 int energy_full_design_uwh; /* microWatt-hours */
356 int charge_full_design_uah; /* microAmp-hours */
404 extern int power_supply_ocv2cap_simple(struct power_supply_battery_ocv_table *table,
408 int temp, int *table_len);
410 int ocv, int temp);
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/kernel/linux/linux-6.6/drivers/hwmon/
Dntc_thermistor.c1 // SPDX-License-Identifier: GPL-2.0-or-later
3 * ntc_thermistor.c - NTC Thermistors
16 #include <linux/fixp-arith.h>
35 * Used as index in a zero-terminated array, holes not allowed so
68 * A compensation table should be sorted by the values of .ohm
74 { .temp_c = -40, .ohm = 1747920 },
75 { .temp_c = -35, .ohm = 1245428 },
76 { .temp_c = -30, .ohm = 898485 },
77 { .temp_c = -25, .ohm = 655802 },
78 { .temp_c = -20, .ohm = 483954 },
[all …]
/kernel/linux/linux-6.6/Documentation/hwmon/
Dvt1211.rst10 Addresses scanned: none, address read from Super-I/O config space
24 -----------------
29 configuration for channels 1-5.
30 Legal values are in the range of 0-31. Bit 0 maps to
47 -----------
49 The VIA VT1211 Super-I/O chip includes complete hardware monitoring
52 implements 5 universal input channels (UCH1-5) that can be individually
60 connected to the PWM outputs of the VT1211 :-().
62 The following table shows the relationship between the vt1211 inputs and the
66 Sensor Voltage Mode Temp Mode Default Use (from the datasheet)
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/kernel/linux/linux-5.10/Documentation/hwmon/
Dvt1211.rst10 Addresses scanned: none, address read from Super-I/O config space
24 -----------------
29 configuration for channels 1-5.
30 Legal values are in the range of 0-31. Bit 0 maps to
47 -----------
49 The VIA VT1211 Super-I/O chip includes complete hardware monitoring
52 implements 5 universal input channels (UCH1-5) that can be individually
60 connected to the PWM outputs of the VT1211 :-().
62 The following table shows the relationship between the vt1211 inputs and the
66 Sensor Voltage Mode Temp Mode Default Use (from the datasheet)
[all …]
/kernel/linux/linux-5.10/drivers/iio/chemical/
Dbme680_core.c1 // SPDX-License-Identifier: GPL-2.0
3 * Bosch BME680 - Temperature, Pressure, Humidity & Gas Sensor
5 * Copyright (C) 2017 - 2018 Bosch Sensortec GmbH
9 * https://ae-bst.resource.bosch.com/media/_tech/media/datasheets/BST-BME680-DS001-00.pdf
111 struct device *dev = regmap_get_device(data->regmap); in bme680_read_calib()
117 ret = regmap_bulk_read(data->regmap, BME680_T1_LSB_REG, in bme680_read_calib()
123 calib->par_t1 = le16_to_cpu(buf); in bme680_read_calib()
125 ret = regmap_bulk_read(data->regmap, BME680_T2_LSB_REG, in bme680_read_calib()
131 calib->par_t2 = le16_to_cpu(buf); in bme680_read_calib()
133 ret = regmap_read(data->regmap, BME680_T3_REG, &tmp); in bme680_read_calib()
[all …]
/kernel/linux/linux-6.6/drivers/iio/chemical/
Dbme680_core.c1 // SPDX-License-Identifier: GPL-2.0
3 * Bosch BME680 - Temperature, Pressure, Humidity & Gas Sensor
5 * Copyright (C) 2017 - 2018 Bosch Sensortec GmbH
9 * https://ae-bst.resource.bosch.com/media/_tech/media/datasheets/BST-BME680-DS001-00.pdf
114 struct device *dev = regmap_get_device(data->regmap); in bme680_read_calib()
120 ret = regmap_bulk_read(data->regmap, BME680_T1_LSB_REG, in bme680_read_calib()
126 calib->par_t1 = le16_to_cpu(buf); in bme680_read_calib()
128 ret = regmap_bulk_read(data->regmap, BME680_T2_LSB_REG, in bme680_read_calib()
134 calib->par_t2 = le16_to_cpu(buf); in bme680_read_calib()
136 ret = regmap_read(data->regmap, BME680_T3_REG, &tmp); in bme680_read_calib()
[all …]

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