| /linux/Documentation/ABI/testing/ |
| H A D | sysfs-class-hwmon | 1 What: /sys/class/hwmon/hwmonX/name
12 What: /sys/class/hwmon/hwmonX/label
16 The contents of the label are free-form.
20 What: /sys/class/hwmon/hwmonX/update_interval
30 What: /sys/class/hwmon/hwmonX/inY_min
32 Voltage min value.
38 What: /sys/class/hwmon/hwmonX/inY_lcrit
40 Voltage critical min value.
46 If voltage drops to or below this limit, the system may
50 What: /sys/class/hwmon/hwmonX/inY_max
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| H A D | sysfs-class-power | 3 What: /sys/class/power_supply/<supply_name>/manufacturer
5 Contact: linux-pm@vger.kernel.org
12 What: /sys/class/power_supply/<supply_name>/model_name
14 Contact: linux-pm@vger.kernel.org
21 What: /sys/class/power_supply/<supply_name>/serial_number
23 Contact: linux-pm@vger.kernel.org
30 What: /sys/class/power_supply/<supply_name>/type
32 Contact: linux-pm@vger.kernel.org
41 What: /sys/class/power_supply/<supply_name>/current_avg
43 Contact: linux-pm@vger.kernel.org
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| H A D | sysfs-class-usb_power_delivery | 1 What: /sys/class/usb_power_delivery
7 What: /sys/class/usb_power_delivery/.../revision
14 What: /sys/class/usb_power_delivery/.../version
23 What: /sys/class/usb_power_delivery/.../source-capabilities
30 Power Delivery Specification. Each PDO - power supply - will
35 /sys/class/usb_power_delivery/.../source_capabilities/<position>:<type>
37 What: /sys/class/usb_power_delivery/.../sink-capabilities
51 What: /sys/class/usb_power_delivery/.../<capability>/<position>:fixed_supply
65 What: /sys/class/usb_power_delivery/.../<capability>/1:fixed_supply/dual_role_power
72 What: /sys/class/usb_power_delivery/.../source-capabilities/1:fixed_supply/usb_suspend_supported
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| H A D | sysfs-class-regulator | 1 What: /sys/class/regulator/.../state
20 supplying power to the system (unless some non-Linux
30 What: /sys/class/regulator/.../status
38 - off
39 - on
40 - error
41 - fast
42 - normal
43 - idle
44 - standby
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| H A D | sysfs-class-led-flash | 1 What: /sys/class/leds/<led>/flash_brightness
11 /sys/class/leds/<led>/max_flash_brightness.
13 What: /sys/class/leds/<led>/max_flash_brightness
21 What: /sys/class/leds/<led>/flash_timeout
31 What: /sys/class/leds/<led>/max_flash_timeout
38 What: /sys/class/leds/<led>/flash_strobe
49 What: /sys/class/leds/<led>/flash_fault
55 Flash faults are re-read after strobing the flash. Possible
58 * led-over-voltage
59 flash controller voltage to the flash LED
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| H A D | sysfs-bus-iio-resolver-ad2s1210 | 1 What: /sys/bus/iio/devices/iio:deviceX/events/in_altvoltage0_mag_rising_reset_max
3 Contact: linux-iio@vger.kernel.org
8 What: /sys/bus/iio/devices/iio:deviceX/events/in_altvoltage0_mag_rising_reset_max_available
10 Contact: linux-iio@vger.kernel.org
12 Reading returns the allowable voltage range for
15 What: /sys/bus/iio/devices/iio:deviceX/events/in_altvoltage0_mag_rising_reset_min
17 Contact: linux-iio@vger.kernel.org
19 Reading returns the current Degradation of Signal Reset Minimum
22 What: /sys/bus/iio/devices/iio:deviceX/events/in_altvoltage0_mag_rising_reset_min_available
24 Contact: linux-iio@vger.kernel.org
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| /linux/Documentation/devicetree/bindings/power/supply/ |
| H A D | bq25890.yaml | 1 # 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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| /linux/Documentation/hwmon/ |
| H A D | lt7182s.rst | 1 .. SPDX-License-Identifier: GPL-2.0
12 Addresses scanned: -
16 Author: Guenter Roeck <linux@roeck-us.net>
20 -----------
22 LT7182S is a Dual Channel 6A, 20V PolyPhase Step-Down Silent Switcher with
27 -----------
36 # echo lt7182s 0x4f > /sys/bus/i2c/devices/i2c-4/new_device
42 ----------------
45 curr[1-2]_label "iin[12]"
46 curr[1-2]_input Measured input current
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| H A D | ir35221.rst | 9 Addresses scanned: -
13 Author: Samuel Mendoza-Jonas <sam@mendozajonas.com>
17 -----------
19 IR35221 is a Digital DC-DC Multiphase Converter
23 -----------
32 # echo ir35221 0x70 > /sys/bus/i2c/devices/i2c-4/new_device
36 ----------------
44 curr[2-3]_label "iout[1-2]"
45 curr[2-3]_input Measured output current
46 curr[2-3]_crit Critical maximum current
[all …]
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| H A D | tps53679.rst | 10 Addresses scanned: -
18 Addresses scanned: -
26 Addresses scanned: -
34 Addresses scanned: -
42 Addresses scanned: -
50 Addresses scanned: -
57 Guenter Roeck <linux@roeck-us.net>
61 -----------
63 Chips in this series are multi-phase step-down converters with one or two
68 -----------
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| H A D | pmbus.rst | 12 Addresses scanned: -
23 Addresses scanned: -
27 https://www.onsemi.com/pub_link/Collateral/ADP4000-D.PDF
29 https://www.onsemi.com/pub_link/Collateral/NCP4200-D.PDF
31 https://www.onsemi.com/pub_link/Collateral/JUNE%202009-%20REV.%200.PDF
37 Addresses scanned: -
55 Addresses scanned: -
73 Addresses scanned: -
83 Addresses scanned: -
88 Author: Guenter Roeck <linux@roeck-us.net>
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| H A D | sysfs-interface.rst | 5 through the sysfs interface. Since lm-sensors 3.0.0, libsensors is
6 completely chip-independent. It assumes that all the kernel drivers
10 This is a major improvement compared to lm-sensors 2.
22 For this reason, even if we aim at a chip-independent libsensors, it will
33 Each chip gets its own directory in the sysfs /sys/devices tree. To
35 `/sys/class/hwmon/hwmon*`.
37 Up to lm-sensors 3.0.0, libsensors looks for hardware monitoring attributes
38 in the "physical" device directory. Since lm-sensors 3.0.1, attributes found
48 types for sensor chips are "in" (voltage), "temp" (temperature) and
61 to cause an alarm) is chip-dependent.
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| H A D | ltc2945.rst | 10 Addresses scanned: -
14 https://www.analog.com/media/en/technical-documentation/data-sheets/2945fb.pdf
16 Author: Guenter Roeck <linux@roeck-us.net>
20 -----------
22 The LTC2945 is a rail-to-rail system monitor that measures current, voltage,
27 -----------
37 $ echo ltc2945 0x10 > /sys/bus/i2c/devices/i2c-1/new_device
41 -------------
43 Voltage readings provided by this driver are reported as obtained from the ADC
44 registers. If a set of voltage divider resistors is installed, calculate the
[all …]
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| H A D | w83627ehf.rst | 22 * Winbond W83627DHG-P
46 * Winbond W83667HG-B
54 * Nuvoton NCT6775F/W83667HG-I
73 - Jean Delvare <jdelvare@suse.de>
74 - Yuan Mu (Winbond)
75 - Rudolf Marek <r.marek@assembler.cz>
76 - David Hubbard <david.c.hubbard@gmail.com>
77 - Gong Jun <JGong@nuvoton.com>
80 -----------
83 W83627DHG, W83627DHG-P, W83627UHG, W83667HG, W83667HG-B, W83667HG-I
[all …]
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| H A D | pxe1610.rst | 10 Addresses scanned: -
18 Addresses scanned: -
26 Addresses scanned: -
34 -----------
36 PXE1610/PXE1110 are Multi-rail/Multiphase Digital Controllers
39 - Intel VR13 DC-DC converter specifications.
40 - Intel SVID protocol.
44 - Servers, Workstations, and High-end desktops
46 PXM1310 is a Multi-rail Controller and it is compliant to
48 - Intel VR13 DC-DC converter specifications.
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| H A D | w83l786ng.rst | 10 Addresses scanned: I2C 0x2e - 0x2f
12 Datasheet: http://www.winbond-usa.com/products/winbond_products/pdfs/PCIC/W83L786NRNG09.pdf
18 -----------------
28 -----------
33 sensors, and three voltage sensors.
42 Voltage sensors (also known as IN sensors) report their values in millivolts.
43 An alarm is triggered if the voltage has crossed a programmable minimum
46 /sys files
47 ----------
49 pwm[1-2]
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| H A D | ltc4282.rst | 1 .. SPDX-License-Identifier: GPL-2.0-only
12 Addresses scanned: - I2C 0x40 - 0x5A (7-bit)
13 Addresses scanned: - I2C 0x80 - 0xB4 with a step of 2 (8-bit)
17 https://www.analog.com/media/en/technical-documentation/data-sheets/ltc4282.pdf
25 from a live backplane. Using one or more external N-channel pass transistors,
26 board supply voltage and inrush current are ramped up at an adjustable rate. An
27 I2C interface and onboard ADC allows for monitoring of board current, voltage,
31 parallel MOSFETs or support a 2-stage start-up that first charges the load
32 capacitance followed by enabling a low on-resistance path to the load. The
35 and power supplies must safely operate. Non-volatile configuration allows for
[all …]
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| H A D | w83792d.rst | 10 Addresses scanned: I2C 0x2c - 0x2f
19 -----------------
35 -----------
42 parameter; this will put it into a more well-behaved state first.
45 sensors, nine voltage sensors, and two automatic fan regulation
48 The driver also implements up to seven fan control outputs: pwm1-7. Pwm1-7
53 Automatic fan control mode is possible only for fan1-fan3.
55 For all pwmX outputs, a value of 0 means minimum fan speed and a value of
68 Voltage sensors (also known as IN sensors) report their values in millivolts.
69 An alarm is triggered if the voltage has crossed a programmable minimum
[all …]
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| H A D | w83791d.rst | 10 Addresses scanned: I2C 0x2c - 0x2f
12 Datasheet: http://www.winbond-usa.com/products/winbond_products/pdfs/PCIC/W83791D_W83791Gb.pdf
22 - Frodo Looijaard <frodol@dds.nl>,
23 - Philip Edelbrock <phil@netroedge.com>,
24 - Mark Studebaker <mdsxyz123@yahoo.com>
28 - Shane Huang (Winbond),
29 - Rudolf Marek <r.marek@assembler.cz>
33 - Sven Anders <anders@anduras.de>
34 - Marc Hulsman <m.hulsman@tudelft.nl>
37 -----------------
[all …]
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| /linux/Documentation/driver-api/thermal/ |
| H A D | intel_dptf.rst | 1 .. SPDX-License-Identifier: GPL-2.0
12 ------------
31 ----------------------------
33 :file:`/sys/bus/platform/devices/<N>/uuids`, where <N>
43 "42A441D6-AE6A-462b-A84B-4A8CE79027D3" : Passive 1
45 "3A95C389-E4B8-4629-A526-C52C88626BAE" : Active
47 "97C68AE7-15FA-499c-B8C9-5DA81D606E0A" : Critical
49 "63BE270F-1C11-48FD-A6F7-3AF253FF3E2D" : Adaptive performance
51 "5349962F-71E6-431D-9AE8-0A635B710AEE" : Emergency call
53 "9E04115A-AE87-4D1C-9500-0F3E340BFE75" : Passive 2
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| /linux/Documentation/admin-guide/pm/ |
| H A D | cpufreq.rst | 1 .. SPDX-License-Identifier: GPL-2.0
19 different clock frequency and voltage configurations, often referred to as
20 Operating Performance Points or P-states (in ACPI terminology). As a rule,
21 the higher the clock frequency and the higher the voltage, the more instructions
23 frequency and the higher the voltage, the more energy is consumed over a unit of
24 time (or the more power is drawn) by the CPU in the given P-state. Therefore
29 as possible and then there is no reason to use any P-states different from the
30 highest one (i.e. the highest-performance frequency/voltage configuration
37 different frequency/voltage configurations or (in the ACPI terminology) to be
38 put into different P-states.
[all …]
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| H A D | cpufreq_drivers.rst | 1 .. SPDX-License-Identifier: GPL-2.0
21 there is a different cpu-freq driver for each generation.
27 Note that the functionality to change frequency (and voltage)
33 voltage information appropriate for a particular platform.
37 6th Generation: powernow-k6
39 7th Generation: powernow-k7: Athlon, Duron, Geode.
41 8th Generation: powernow-k8: Athlon, Athlon 64, Opteron, Sempron.
46 BIOS supplied data, for powernow-k7 and for powernow-k8, may be
49 The powernow-k8 driver will attempt to use ACPI if so configured,
51 The powernow-k7 driver will try to use the PSB support first, and
[all …]
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| /linux/drivers/devfreq/ |
| H A D | Kconfig | 1 # SPDX-License-Identifier: GPL-2.0-only
3 bool "Generic Dynamic Voltage and Frequency Scaling (DVFS) support"
20 to a device by 1-to-1. The device registering devfreq takes the
39 Simple-Ondemand should be able to provide busy/total counter
54 Sets the frequency at the minimum available frequency.
64 has been an input to /sys/devices/.../userspace/set_freq.
74 devfreq device uses the OPP table to get the frequency/voltage.
89 PPMU counters of memory controllers by using DEVFREQ-event device
|
| /linux/drivers/power/supply/ |
| H A D | bq25890_charger.c | 1 // SPDX-License-Identifier: GPL-2.0-or-later
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,
367 ret = regmap_field_read(bq->rmap_fields[field_id], &val); in bq25890_field_read()
[all …]
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| H A D | rk817_charger.c | 1 // 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,
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()
177 regmap_bulk_read(charger->rk808->regmap, RK817_GAS_GAUGE_VCALIB0_H, in rk817_bat_calib_vol()
181 regmap_bulk_read(charger->rk808->regmap, RK817_GAS_GAUGE_VCALIB1_H, in rk817_bat_calib_vol()
186 charger->voltage_k = (4025 - 2300) * 1000 / in rk817_bat_calib_vol()
[all …]
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