| /linux/arch/arm/mach-omap2/ |
| H A D | pmic-cpcap.c | 1 // SPDX-License-Identifier: GPL-2.0-only
3 * pmic-cpcap.c - CPCAP-specific functions for the OPP code
15 #include "voltage.h"
21 * omap_cpcap_vsel_to_uv - convert CPCAP VSEL value to microvolts DC
24 * Returns: the microvolts DC that the CPCAP PMIC should generate when
35 * omap_cpcap_uv_to_vsel - convert microvolts DC to CPCAP VSEL value
36 * @uv: microvolts DC to convert
39 * generate an output voltage equal to or greater than @uv microvolts DC.
47 return DIV_ROUND_UP(uv - 600000, 12500); in omap_cpcap_uv_to_vsel()
85 * omap_max8952_vsel_to_uv - convert MAX8952 VSEL value to microvolts DC
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| H A D | omap_opp_data.h | 1 /* SPDX-License-Identifier: GPL-2.0-only */
5 * Copyright (C) 2009-2010 Texas Instruments Incorporated - https://www.ti.com/
16 #include "voltage.h"
25 * struct omap_opp_def - OMAP OPP Definition
28 * @u_volt: Nominal voltage in microvolts corresponding to this OPP
29 * @default_available: True/false - is this OPP available by default
31 * OMAP SOCs have a standard set of tuples consisting of frequency and voltage
32 * pairs that the device will support per voltage domain. This is called
35 * domain, you can have a set of {frequency, voltage} pairs and this is denoted
39 * which belongs to a voltage domain may define their own set of OPPs on top
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| /linux/Documentation/devicetree/bindings/clock/ |
| H A D | nvidia,tegra124-dfll.txt | 4 Documentation/devicetree/bindings/clock/clock-bindings.txt
7 the fast CPU cluster. It consists of a free-running voltage controlled
8 oscillator connected to the CPU voltage rail (VDD_CPU), and a closed loop
9 control module that will automatically adjust the VDD_CPU voltage by
10 communicating with an off-chip PMIC either via an I2C bus or via PWM signals.
13 - compatible : should be one of:
14 - "nvidia,tegra124-dfll": for Tegra124
15 - "nvidia,tegra210-dfll": for Tegra210
16 - reg : Defines the following set of registers, in the order listed:
17 - registers for the DFLL control logic.
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| /linux/Documentation/ABI/testing/ |
| H A D | sysfs-class-regulator | 20 supplying power to the system (unless some non-Linux
26 NOTE: this field can be used in conjunction with microvolts
38 - off
39 - on
40 - error
41 - fast
42 - normal
43 - idle
44 - standby
52 "error" indicates an out-of-regulation status such as being
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| H A D | sysfs-class-power-ltc4162l | 1 What: /sys/class/power_supply/ltc4162-l/charge_status
18 What: /sys/class/power_supply/ltc4162-l/ibat
29 What: /sys/class/power_supply/ltc4162-l/vbat
33 Battery voltage as measured by the charger.
37 Valid values: In microvolts
39 What: /sys/class/power_supply/ltc4162-l/vbat_avg
43 Battery voltage, averaged over time, as measured by the charger.
47 Valid values: In microvolts
49 What: /sys/class/power_supply/ltc4162-l/force_telemetry
55 voltage, current and temperature measurements.
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| H A D | sysfs-class-power | 5 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
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| /linux/include/linux/regulator/ |
| H A D | fixed.h | 1 /* SPDX-License-Identifier: GPL-2.0-or-later */
10 * Roger Quadros <ext-roger.quadros@nokia.com>
19 * struct fixed_voltage_config - fixed_voltage_config structure
22 * @microvolts: Output voltage of regulator
23 * @startup_delay: Start-up time in microseconds
30 * This structure contains fixed voltage regulator configuration
32 * voltage regulator driver.
37 int microvolts; member
58 "fixed-dummy", s, ns, 0)
|
| H A D | gpio-regulator.h | 1 /* SPDX-License-Identifier: GPL-2.0-or-later */
3 * gpio-regulator.h
14 * Roger Quadros <ext-roger.quadros@nokia.com>
27 * struct gpio_regulator_state - state description
28 * @value: microvolts or microamps
29 * @gpios: bitfield of gpio target-states for the value
32 * and the necessary gpio-state to achieve it.
34 * The n-th bit in the bitfield describes the state of the n-th GPIO
35 * from the gpios-array defined in gpio_regulator_config below.
43 * struct gpio_regulator_config - config structure
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| /linux/include/linux/ |
| H A D | power_supply.h | 1 /* SPDX-License-Identifier: GPL-2.0-only */
226 /* Run-time specific power supply configuration */
339 int ocv; /* microVolts */
349 int vbat_uv; /* Battery voltage in microvolt */
354 * struct power_supply_maintenance_charge_table - setting for maintenace charging
358 * reach this voltage the maintenance charging current is turned off. It is
359 * turned back on if we fall below this voltage.
360 * @charge_voltage_max_uv: maintenance charging voltage that is usually a bit
362 * charge_current_max_ua until we get back up to this voltage.
366 * maintenance charge current and voltage pair in respective array and wait
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| H A D | pm_opp.h | 1 /* SPDX-License-Identifier: GPL-2.0-only */
5 * Copyright (C) 2009-2010 Texas Instruments Incorporated.
31 * struct dev_pm_opp_supply - Power supply voltage/current values
32 * @u_volt: Target voltage in microvolts corresponding to this OPP
33 * @u_volt_min: Minimum voltage in microvolts corresponding to this OPP
34 * @u_volt_max: Maximum voltage in microvolts corresponding to this OPP
38 * This structure stores the voltage/current/power values for a single power
57 * struct dev_pm_opp_config - Device OPP configuration values
90 * struct dev_pm_opp_data - The data to use to initialize an OPP.
95 * @u_volt: The voltage in uV for the OPP.
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| /linux/drivers/regulator/ |
| H A D | fixed-helper.c | 1 // SPDX-License-Identifier: GPL-2.0
18 kfree_const(data->cfg.supply_name); in regulator_fixed_release()
23 * regulator_register_always_on - register an always-on regulator with a fixed name
28 * @uv: voltage in microvolts
41 data->cfg.supply_name = kstrdup_const(name, GFP_KERNEL); in regulator_register_always_on()
42 if (!data->cfg.supply_name) { in regulator_register_always_on()
47 data->cfg.microvolts = uv; in regulator_register_always_on()
48 data->cfg.enabled_at_boot = 1; in regulator_register_always_on()
49 data->cfg.init_data = &data->init_data; in regulator_register_always_on()
51 data->init_data.constraints.always_on = 1; in regulator_register_always_on()
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| H A D | fixed.c | 1 // SPDX-License-Identifier: GPL-2.0-or-later
10 * Roger Quadros <ext-roger.quadros@nokia.com>
13 * non-controllable regulators, as well as for allowing testing on
55 ret = clk_prepare_enable(priv->enable_clock); in reg_clock_enable()
59 priv->enable_counter++; in reg_clock_enable()
68 clk_disable_unprepare(priv->enable_clock); in reg_clock_disable()
69 priv->enable_counter--; in reg_clock_disable()
77 struct device *dev = rdev->dev.parent; in reg_domain_enable()
80 ret = dev_pm_genpd_set_performance_state(dev, priv->performance_state); in reg_domain_enable()
84 priv->enable_counter++; in reg_domain_enable()
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| H A D | bcm590xx-regulator.c | 1 // SPDX-License-Identifier: GPL-2.0-or-later
102 /* LDO group A: supported voltages in microvolts */
108 /* LDO group C: supported voltages in microvolts */
118 /* DCDC group CSR: supported voltages in microvolts */
125 /* DCDC group IOSR1: supported voltages in microvolts */
133 /* DCDC group SDSR1: supported voltages in microvolts */
206 return BCM590XX_CSRVOUT1 + (id - BCM590XX_REG_CSR) * 3; in bcm590xx_get_vsel_register()
277 struct bcm590xx *bcm590xx = dev_get_drvdata(pdev->dev.parent); in bcm590xx_probe()
284 pmu = devm_kzalloc(&pdev->dev, sizeof(*pmu), GFP_KERNEL); in bcm590xx_probe()
286 return -ENOMEM; in bcm590xx_probe()
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| H A D | tps65910-regulator.c | 1 // SPDX-License-Identifier: GPL-2.0-or-later
3 * tps65910.c -- TI tps65910
29 /* supported VIO voltages in microvolts */
36 /* supported VRTC voltages in microvolts */
41 /* supported VDD3 voltages in microvolts */
46 /* supported VDIG1 voltages in microvolts */
51 /* supported VDIG2 voltages in microvolts */
56 /* supported VPLL voltages in microvolts */
61 /* supported VDAC voltages in microvolts */
66 /* supported VAUX1 voltages in microvolts */
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| /linux/drivers/hwmon/ |
| H A D | ltc4215.c | 1 // SPDX-License-Identifier: GPL-2.0-only
18 #include <linux/hwmon-sysfs.h>
46 struct i2c_client *client = data->client; in ltc4215_update_device()
50 mutex_lock(&data->update_lock); in ltc4215_update_device()
53 if (time_after(jiffies, data->last_updated + HZ / 10) || !data->valid) { in ltc4215_update_device()
55 dev_dbg(&client->dev, "Starting ltc4215 update\n"); in ltc4215_update_device()
58 for (i = 0; i < ARRAY_SIZE(data->regs); i++) { in ltc4215_update_device()
61 data->regs[i] = 0; in ltc4215_update_device()
63 data->regs[i] = val; in ltc4215_update_device()
66 data->last_updated = jiffies; in ltc4215_update_device()
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| /linux/Documentation/devicetree/bindings/mfd/ |
| H A D | maxim,max8998.yaml | 1 # 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>
13 The Maxim MAX8998 is a Power Management IC which includes voltage/current
15 sub-blocks. It is interfaced using an I2C interface. Each sub-block is
21 - maxim,max8998
22 - national,lp3974
23 - ti,lp3974
31 - description: Main interrupt
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| /linux/Documentation/devicetree/bindings/iio/adc/ |
| H A D | aspeed,ast2600-adc.yaml | 1 # SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
3 ---
4 $id: http://devicetree.org/schemas/iio/adc/aspeed,ast2600-adc.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
10 - Billy Tsai <billy_tsai@aspeedtech.com>
13 • 10-bits resolution for 16 voltage channels.
14 • The device split into two individual engine and each contains 8 voltage
16 • Channel scanning can be non-continuous.
21 • Built-in a compensating method.
22 • Built-in a register to trim internal reference voltage.
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| H A D | adi,ad7949.yaml | 1 # SPDX-License-Identifier: GPL-2.0
3 ---
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
10 - Charles-Antoine Couret <charles-antoine.couret@essensium.com>
15 https://www.analog.com/media/en/technical-documentation/data-sheets/AD7949.pdf
17 https://www.analog.com/media/en/technical-documentation/data-sheets/AD7682_7689.pdf
22 - adi,ad7682
23 - adi,ad7689
24 - adi,ad7949
29 vrefin-supply:
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| /linux/Documentation/devicetree/bindings/input/ |
| H A D | allwinner,sun4i-a10-lradc-keys.yaml | 1 # SPDX-License-Identifier: GPL-2.0
3 ---
4 $id: http://devicetree.org/schemas/input/allwinner,sun4i-a10-lradc-keys.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
10 - Chen-Yu Tsai <wens@csie.org>
11 - Maxime Ripard <mripard@kernel.org>
16 - const: allwinner,sun4i-a10-lradc-keys
17 - const: allwinner,sun8i-a83t-r-lradc
18 - items:
19 - enum:
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| /linux/Documentation/devicetree/bindings/regulator/ |
| H A D | pwm-regulator.yaml | 1 # SPDX-License-Identifier: GPL-2.0
3 ---
4 $id: http://devicetree.org/schemas/regulator/pwm-regulator.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
10 - Brian Norris <briannorris@chromium.org>
11 - Lee Jones <lee@kernel.org>
12 - Alexandre Courbot <acourbot@nvidia.com>
17 Voltage Table:
18 When in this mode, a voltage table (See below) of predefined voltage <=>
19 duty-cycle values must be provided via DT. Limitations are that the
[all …]
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| H A D | gpio-regulator.yaml | 1 # SPDX-License-Identifier: GPL-2.0
3 ---
4 $id: http://devicetree.org/schemas/regulator/gpio-regulator.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
10 - Liam Girdwood <lgirdwood@gmail.com>
11 - Mark Brown <broonie@kernel.org>
18 - $ref: regulator.yaml#
22 const: regulator-gpio
24 regulator-name: true
26 enable-gpios:
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| H A D | maxim,max8952.yaml | 1 # SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause
3 ---
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
7 title: Maxim MAX8952 voltage regulator
10 - Krzysztof Kozlowski <krzk@kernel.org>
13 - $ref: regulator.yaml#
19 max8952,default-mode:
23 index of default DVS voltage
25 max8952,dvs-mode-microvolt:
32 Array of 4 integer values defining DVS voltages in microvolts. All values
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| /linux/Documentation/hwmon/ |
| H A D | ltc2990.rst | 11 Addresses scanned: -
19 - Mike Looijmans <mike.looijmans@topic.nl>
20 - Tom Levens <tom.levens@cern.ch>
24 -----------
26 LTC2990 is a Quad I2C Voltage, Current and Temperature Monitor.
28 can be combined to measure a differential voltage, which is typically used to
34 -----------
41 ----------------
44 in0_input Voltage at Vcc pin in millivolt (range 2.5V to 5V)
52 in[1-4]_input Voltage at V[1-4] pin in millivolt
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| H A D | adm1177.rst | 7 Datasheet: https://www.analog.com/media/en/technical-documentation/data-sheets/ADM1177.pdf
13 -----------
16 Hot-Swap Controller and Digital Power Monitors with Soft Start Pin.
20 -----------
22 This driver does not auto-detect devices. You will have to instantiate the
23 devices explicitly. Please see Documentation/i2c/instantiating-devices.rst
28 -------------
31 is read-write, all other attributes are read-only.
33 in0_input Measured voltage in microvolts.
|
| /linux/Documentation/devicetree/bindings/power/supply/ |
| H A D | twl4030-charger.yaml | 1 # SPDX-License-Identifier: GPL-2.0
3 ---
4 $id: http://devicetree.org/schemas/power/supply/twl4030-charger.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
14 value in explicit configuration in device-tree. Rather if there is a sibling
15 of the BCI node which is compatible with "ti,twl4030-usb", then that is used
19 - Sebastian Reichel <sre@kernel.org>
22 - $ref: power-supply.yaml#
26 const: ti,twl4030-bci
32 ti,bb-uvolt:
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