| /openbmc/linux/Documentation/hwmon/ |
| H A D | shtc1.rst | 41 -----------
48 address 0x70. See Documentation/i2c/instantiating-devices.rst for methods to
54 non-blocking mode. Blocking mode will guarantee the fastest result but
55 the I2C bus will be busy during that time. By default, non-blocking mode
56 is used. Make sure clock-stretching works properly on your device if you
58 2. high or low accuracy. High accuracy is used by default and using it is
61 sysfs-Interface
62 ---------------
65 - temperature input
67 - humidity input
|
| H A D | adt7410.rst | 14 https://www.analog.com/static/imported-files/data_sheets/ADT7410.pdf
23 https://www.analog.com/static/imported-files/data_sheets/ADT7420.pdf
33 https://www.analog.com/static/imported-files/data_sheets/ADT7310.pdf
43 https://www.analog.com/static/imported-files/data_sheets/ADT7320.pdf
48 -----------
51 -55°C to +150°C. It has a high accuracy of +/-0.5°C and can be operated at a
56 common hysteresis of 0°C - 15°C and a fault queue, ranging from 1 to 4 events.
57 Both pins can individually set to be active-low or active-high, while the whole
64 package, a slightly narrower operating temperature range (-40°C to +150°C), and
65 a better accuracy (0.25°C instead of 0.50°C.)
[all …]
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| H A D | pc87360.rst | 22 -----------------
27 - 0: None
28 - **1**: Forcibly enable internal voltage and temperature channels,
30 - 2: Forcibly enable all voltage and temperature channels, except in9
31 - 3: Forcibly enable all voltage and temperature channels, including in9
42 -----------
56 PC87360 - 2 2 - 0xE1
57 PC87363 - 2 2 - 0xE8
58 PC87364 - 3 3 - 0xE4
60 PC87366 11 3 3 3-4 0xE9
[all …]
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| H A D | ds1621.rst | 47 - Christian W. Zuckschwerdt <zany@triq.net>
48 - valuable contributions by Jan M. Sendler <sendler@sendler.de>
49 - ported to 2.6 by Aurelien Jarno <aurelien@aurel32.net>
53 ------------------
58 * 0 = active high,
62 -----------
65 both high and low temperature limits which can be user defined (i.e.
66 programmed into non-volatile on-chip registers). Temperature range is -55
68 Fahrenheit range of -67 to +257 degrees with 0.9 steps. If polarity
74 stays high until the high limit is met or exceeded. On the other hand
[all …]
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| H A D | ds620.rst | 20 -----------
23 high and low temperature limits which can be user defined (i.e. programmed
24 into non-volatile on-chip registers). Temperature range is -55 degree Celsius
25 to +125. Between 0 and 70 degree Celsius, accuracy is 0.5 Kelvin. The value
38 The PO output pin of the DS620 operates active-low.
|
| H A D | lm87.rst | 10 Addresses scanned: I2C 0x2c - 0x2e
18 Addresses scanned: I2C 0x2c - 0x2e
24 - Frodo Looijaard <frodol@dds.nl>,
25 - Philip Edelbrock <phil@netroedge.com>,
26 - Mark Studebaker <mdsxyz123@yahoo.com>,
27 - Stephen Rousset <stephen.rousset@rocketlogix.com>,
28 - Dan Eaton <dan.eaton@rocketlogix.com>,
29 - Jean Delvare <jdelvare@suse.de>,
30 - Original 2.6 port Jeff Oliver
33 -----------
[all …]
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| H A D | bt1-pvt.rst | 1 .. SPDX-License-Identifier: GPL-2.0-only
3 Kernel driver bt1-pvt
8 * Baikal-T1 PVT sensor (in SoC)
10 Prefix: 'bt1-pvt'
12 Addresses scanned: -
21 -----------
24 embedded into Baikal-T1 process, voltage and temperature sensors. PVT IP-core
29 compile-time configurable due to the hardware interface implementation
40 in alarm-less configuration the data conversion is performed by the driver
41 on demand when read operation is requested via corresponding _input-file.
[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.
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.
66 128) to give the readings more range or accuracy.
116 ----------------
118 - This driver is only for Winbond W83792D C version device, there
120 calculation method to in6-in7(measured value, limits) is a little
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| /openbmc/linux/drivers/iio/temperature/ |
| H A D | Kconfig | 1 # SPDX-License-Identifier: GPL-2.0-only
15 will be called iqs620at-temp.
18 tristate "Analog Devices Multi-Sensor Digital Temperature Measurement System"
22 Say yes here to build support for the LTC2983 Multi-Sensor
23 high accuracy digital temperature measurement system.
55 will be called hid-sensor-temperature.
58 tristate "MLX90614 contact-less infrared sensor"
62 MLX90614 contact-less infrared sensor connected with I2C.
68 tristate "MLX90632 contact-less infrared sensor with medical accuracy"
73 MLX90632 contact-less infrared sensor with medical accuracy
|
| /openbmc/linux/Documentation/devicetree/bindings/regulator/ |
| H A D | richtek,rtq2208.yaml | 1 # SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause
3 ---
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
10 - Alina Yu <alina_yu@richtek.com>
14 multi-configurable synchronous buck converters and two LDOs.
16 Bucks support "regulator-allowed-modes" and "regulator-mode". The former defines the permitted
25 0 - Auto mode for power saving, which reducing the switching frequency at light load condition
26 to maintain high frequency.
27 …1 - FCCM to meet the strict voltage regulation accuracy, which keeping constant switching frequenc…
35 - richtek,rtq2208
[all …]
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| /openbmc/linux/tools/testing/selftests/kvm/x86_64/ |
| H A D | hyperv_clock.c | 1 // SPDX-License-Identifier: GPL-2.0-only
5 * Tests for Hyper-V clocksources
25 u32 low, high; in mul_u64_u64_shr64() member
33 rm.ll = (u64)a0.l.low * b0.l.high; in mul_u64_u64_shr64()
34 rn.ll = (u64)a0.l.high * b0.l.low; in mul_u64_u64_shr64()
35 rh.ll = (u64)a0.l.high * b0.l.high; in mul_u64_u64_shr64()
37 rh.l.low = c = rm.l.high + rn.l.high + rh.l.low; in mul_u64_u64_shr64()
38 rh.l.high = (c >> 32) + rh.l.high; in mul_u64_u64_shr64()
59 /* For increased accuracy, take mean rdtsc() before and afrer rdmsr() */ in check_tsc_msr_rdtsc()
71 delta_ns = ((t2 - t1) * 100) - ((r2 - r1) * 1000000000 / tsc_freq); in check_tsc_msr_rdtsc()
[all …]
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| /openbmc/linux/Documentation/timers/ |
| H A D | timekeeping.rst | 10 If you grep through the kernel source you will find a number of architecture-
12 architecture-specific overrides of the sched_clock() function and some
17 on this timeline, providing facilities such as high-resolution timers.
23 -------------
31 n bits which count from 0 to (2^n)-1 and then wraps around to 0 and start over.
35 The clock source shall have as high resolution as possible, and the frequency
36 shall be as stable and correct as possible as compared to a real-world wall
46 When the wall-clock accuracy of the clock source isn't satisfactory, there
48 the user-visible time to RTC clocks in the system or against networked time
76 Since a 32-bit counter at say 100 MHz will wrap around to zero after some 43
[all …]
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| /openbmc/qemu/include/hw/gpio/ |
| H A D | nrf51_gpio.h | 2 * nRF51 System-on-Chip general purpose input/output register definition
6 * + Unnamed GPIO inputs 0-31: Set tri-state input level for GPIO pin.
7 * Level -1: Externally Disconnected/Floating; Pull-up/down will be regarded
9 * Level 1: Input externally driven HIGH
10 * + Unnamed GPIO outputs 0-31:
11 * Level -1: Disconnected/Floating
13 * Level 1: Driven HIGH
15 * Accuracy of the peripheral model:
16 * + The nRF51 GPIO output driver supports two modes, standard and high-current
20 * Copyright 2018 Steffen Görtz <contrib@steffen-goertz.de>
[all …]
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| /openbmc/linux/drivers/iio/humidity/ |
| H A D | si7020.c | 1 // SPDX-License-Identifier: GPL-2.0-only
3 * si7020.c - Silicon Labs Si7013/20/21 Relative Humidity and Temp Sensors
47 chan->type == IIO_TEMP ? in si7020_read_raw()
54 * Humidity values can slightly exceed the 0-100%RH in si7020_read_raw()
57 if (chan->type == IIO_HUMIDITYRELATIVE) in si7020_read_raw()
61 if (chan->type == IIO_TEMP) in si7020_read_raw()
71 * accuracy. in si7020_read_raw()
72 * Relative humidity will be 0.0032959% too high and in si7020_read_raw()
73 * temperature will be 0.00277344 degrees too high. in si7020_read_raw()
74 * This is no big deal because it's within the accuracy of the in si7020_read_raw()
[all …]
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| /openbmc/linux/Documentation/devicetree/bindings/mtd/ |
| H A D | lpc32xx-mlc.txt | 4 - compatible: "nxp,lpc3220-mlc"
5 - reg: Address and size of the controller
6 - interrupts: The NAND interrupt specification
7 - gpios: GPIO specification for NAND write protect
12 accuracy:)
13 - nxp,tcea_delay: TCEA_DELAY
14 - nxp,busy_delay: BUSY_DELAY
15 - nxp,nand_ta: NAND_TA
16 - nxp,rd_high: RD_HIGH
17 - nxp,rd_low: RD_LOW
[all …]
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| /openbmc/linux/arch/x86/include/asm/ |
| H A D | mach_timer.h | 1 /* SPDX-License-Identifier: GPL-2.0 */
6 /* ------ Calibrate the TSC -------
8 * Too much 64-bit arithmetic here to do this cleanly in C, and for
9 * accuracy's sake we want to keep the overhead on the CTC speaker (channel 2)
11 * directly because of the awkward 8-bit access mechanism of the 82C54
23 /* Set the Gate high, disable speaker */ in mach_prepare_counter()
29 * Set the Gate high, program CTC channel 2 for mode 0, in mach_prepare_counter()
|
| /openbmc/u-boot/arch/arm/cpu/armv8/fsl-layerscape/doc/ |
| H A D | README.soc | 13 ---------
14 The LS1043A integrated multicore processor combines four ARM Cortex-A53
20 - Four 64-bit ARM Cortex-A53 CPUs
21 - 1 MB unified L2 Cache
22 - One 32-bit DDR3L/DDR4 SDRAM memory controllers with ECC and interleaving
24 - Data Path Acceleration Architecture (DPAA) incorporating acceleration the
26 - Packet parsing, classification, and distribution (FMan)
27 - Queue management for scheduling, packet sequencing, and congestion
29 - Hardware buffer management for buffer allocation and de-allocation (BMan)
30 - Cryptography acceleration (SEC)
[all …]
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| /openbmc/linux/Documentation/devicetree/bindings/iio/adc/ |
| H A D | richtek,rtq6056.yaml | 1 # SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
3 ---
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
7 title: RTQ6056 Bi-Directional Current and Power Monitor with 16-bit ADC
10 - ChiYuan Huang <cy_huang@richtek.com>
13 The RTQ6056 is a high accuracy current-sense monitor with I2C and SMBus
19 internal analog-to-digital converter ADC. The programmable calibration,
24 https://www.richtek.com/assets/product_file/RTQ6056/DSQ6056-00.pdf
33 "#io-channel-cells":
36 shunt-resistor-micro-ohms:
[all …]
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| H A D | ti,adc12138.yaml | 1 # SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
3 ---
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
7 title: Texas Instruments ADC12138 and similar self-calibrating ADCs
10 - Akinobu Mita <akinobu.mita@gmail.com>
19 - ti,adc12130
20 - ti,adc12132
21 - ti,adc12138
34 vref-p-supply:
37 vref-n-supply:
[all …]
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| /openbmc/linux/Documentation/sound/designs/ |
| H A D | timestamping.rst | 7 - Trigger_tstamp is the system time snapshot taken when the .trigger
11 estimate with a delay. In the latter two cases, the low-level driver
17 - tstamp is the current system timestamp updated during the last
19 The difference (tstamp - trigger_tstamp) defines the elapsed time.
29 - ``avail`` reports how much can be written in the ring buffer
30 - ``delay`` reports the time it will take to hear a new sample after all
43 ascii-art, this could be represented as follows (for the playback
47 --------------------------------------------------------------> time
53 |< codec delay >|<--hw delay-->|<queued samples>|<---avail->|
54 |<----------------- delay---------------------->| |
[all …]
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| /openbmc/linux/drivers/gpu/drm/ci/xfails/ |
| H A D | virtio_gpu-none-fails.txt | 1 kms_addfb_basic@addfb25-bad-modifier,Fail
2 kms_addfb_basic@bad-pitch-65536,Fail
3 kms_addfb_basic@bo-too-small,Fail
4 kms_addfb_basic@size-max,Fail
5 kms_addfb_basic@too-high,Fail
6 kms_atomic_transition@plane-primary-toggle-with-vblank-wait,Fail
7 kms_bw@linear-tiling-1-displays-1920x1080p,Fail
8 kms_bw@linear-tiling-1-displays-2560x1440p,Fail
9 kms_bw@linear-tiling-1-displays-3840x2160p,Fail
10 kms_bw@linear-tiling-2-displays-1920x1080p,Fail
[all …]
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| /openbmc/linux/Documentation/devicetree/bindings/power/supply/ |
| H A D | richtek,rt9467.yaml | 1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
3 ---
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
10 - ChiYuan Huang <cy_huang@richtek.com>
11 - ChiaEn Wu <chiaen_wu@richtek.com>
14 RT9467 is a switch-mode single cell Li-Ion/Li-Polymer battery charger for
16 MOSFETs, input current sensing and regulation, high-accuracy voltage
20 The RT9467 also features USB On-The-Go (OTG) support. It also integrates
21 D+/D- pin for USB host/charging port detection.
24 https://www.richtek.com/assets/product_file/RT9467/DS9467-01.pdf
[all …]
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| /openbmc/linux/Documentation/devicetree/bindings/hwmon/ |
| H A D | ti,ina2xx.yaml | 1 # SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
3 ---
6 $schema: http://devicetree.org/meta-schemas/core.yaml#
11 - Krzysztof Kozlowski <krzk@kernel.org>
14 The INA209 is a high-side current shunt and power monitor with
23 - ti,ina209
24 - ti,ina219
25 - ti,ina220
26 - ti,ina226
27 - ti,ina230
[all …]
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| H A D | adi,adm1275.yaml | 1 # SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
3 ---
6 $schema: http://devicetree.org/meta-schemas/core.yaml#
11 - Krzysztof Kozlowski <krzk@kernel.org>
14 The ADM1293 and ADM1294 are high accuracy integrated digital power monitors
15 that offer digital current, voltage, and power monitoring using an on-chip,
16 12-bit analog-to-digital converter (ADC), communicated through a PMBus
25 - adi,adm1075
26 - adi,adm1272
27 - adi,adm1275
[all …]
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| /openbmc/u-boot/drivers/rtc/ |
| H A D | Kconfig | 11 Enable drver model for real-time-clock drivers. The RTC uclass
20 Enable drver model for real-time-clock drivers. The RTC uclass
29 Enable drver model for real-time-clock drivers. The RTC uclass
40 crystal optimized for very high accuracy and very low power consumption. The PCF2127
41 has a selectable I2C-bus or SPI-bus, a backup battery switch-over circuit, a
56 calendar with automatic leap year correction, 2-byte battery backed SRAM,
57 automatic power switch-over, alarm function and 15 selectable frequency
67 The MicroCrystal RV3029 is a I2C Real Time Clock (RTC) with 8-byte
68 battery-backed SRAM.
71 battery-baced SRAM section.
[all …]
|