Searched +full:delay +full:- +full:us (Results 1 – 25 of 98) sorted by relevance
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| /Documentation/devicetree/bindings/net/ |
| D | mdio.yaml | 1 # SPDX-License-Identifier: GPL-2.0
3 ---
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
10 - Andrew Lunn <andrew@lunn.ch>
11 - Florian Fainelli <f.fainelli@gmail.com>
12 - Heiner Kallweit <hkallweit1@gmail.com>
17 bus. These should follow the generic ethernet-phy.yaml document, or
22 pattern: '^mdio(-(bus|external))?(@.+|-([0-9]+))?$'
24 "#address-cells":
27 "#size-cells":
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| D | ethernet-phy.yaml | 1 # SPDX-License-Identifier: GPL-2.0
3 ---
4 $id: http://devicetree.org/schemas/net/ethernet-phy.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
10 - Andrew Lunn <andrew@lunn.ch>
11 - Florian Fainelli <f.fainelli@gmail.com>
12 - Heiner Kallweit <hkallweit1@gmail.com>
14 # The dt-schema tools will generate a select statement first by using
21 pattern: "^ethernet-phy(@[a-f0-9]+)?$"
24 - $nodename
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| D | hisilicon-femac.txt | 4 - compatible: should contain one of the following version strings:
5 * "hisilicon,hisi-femac-v1"
6 * "hisilicon,hisi-femac-v2"
7 and the soc string "hisilicon,hi3516cv300-femac".
8 - reg: specifies base physical address(s) and size of the device registers.
11 - interrupts: should contain the MAC interrupt.
12 - clocks: A phandle to the MAC main clock.
13 - resets: should contain the phandle to the MAC reset signal(required) and
15 - reset-names: should contain the reset signal name "mac"(required)
17 - phy-mode: see ethernet.txt [1].
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| D | hisilicon-hix5hd2-gmac.txt | 4 - compatible: should contain one of the following SoC strings:
5 * "hisilicon,hix5hd2-gmac"
6 * "hisilicon,hi3798cv200-gmac"
7 * "hisilicon,hi3516a-gmac"
9 * "hisilicon,hisi-gmac-v1"
10 * "hisilicon,hisi-gmac-v2"
13 - reg: specifies base physical address(s) and size of the device registers.
16 - interrupts: should contain the MAC interrupt.
17 - #address-cells: must be <1>.
18 - #size-cells: must be <0>.
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| /Documentation/devicetree/bindings/regulator/ |
| D | richtek,rtmv20-regulator.yaml | 1 # SPDX-License-Identifier: GPL-2.0
3 ---
4 $id: http://devicetree.org/schemas/regulator/richtek,rtmv20-regulator.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
10 - ChiYuan Huang <cy_huang@richtek.com>
27 wakeup-source: true
32 enable-gpios:
36 richtek,ld-pulse-delay-us:
38 load current pulse delay in microsecond after strobe pin pulse high.
43 richtek,ld-pulse-width-us:
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| D | fixed-regulator.yaml | 1 # SPDX-License-Identifier: GPL-2.0
3 ---
4 $id: http://devicetree.org/schemas/regulator/fixed-regulator.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
10 - Liam Girdwood <lgirdwood@gmail.com>
11 - Mark Brown <broonie@kernel.org>
16 expected to have the regulator-min-microvolt and regulator-max-microvolt
20 - $ref: regulator.yaml#
21 - if:
25 const: regulator-fixed-clock
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| D | mps,mpq7920.yaml | 1 # SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause
3 ---
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
10 - Saravanan Sekar <sravanhome@gmail.com>
14 pattern: "pmic@[0-9a-f]{1,2}"
17 - mps,mpq7920
27 after their hardware counterparts BUCK[1-4], one LDORTC, and LDO[2-5]
30 mps,switch-freq:
44 "^ldo[1-4]$":
49 "^buck[1-4]$":
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| D | regulator-max77620.txt | 3 Device has multiple DCDC(sd[0-3] and LDOs(ldo[0-8]). The input supply
6 sub-node "regulators" which is child node of device node.
14 -------------------
18 in-sd0-supply: Input supply for SD0, INA-SD0 or INB-SD0 pins.
19 in-sd1-supply: Input supply for SD1.
20 in-sd2-supply: Input supply for SD2.
21 in-sd3-supply: Input supply for SD3.
22 in-ldo0-1-supply: Input supply for LDO0 and LDO1.
23 in-ldo2-supply: Input supply for LDO2.
24 in-ldo3-5-supply: Input supply for LDO3 and LDO5
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| D | richtek,rt6245-regulator.yaml | 1 # SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause
3 ---
4 $id: http://devicetree.org/schemas/regulator/richtek,rt6245-regulator.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
10 - ChiYuan Huang <cy_huang@richtek.com>
13 The RT6245 is a high-performance, synchronous step-down converter
18 - $ref: regulator.yaml#
23 - richtek,rt6245
28 enable-gpios:
31 it will be treat as a default-on power.
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| /Documentation/devicetree/bindings/input/ |
| D | ti,nspire-keypad.yaml | 1 # SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
3 ---
4 $id: http://devicetree.org/schemas/input/ti,nspire-keypad.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
7 title: TI-NSPIRE Keypad
10 - Andrew Davis <afd@ti.com>
13 - $ref: input.yaml#
14 - $ref: matrix-keymap.yaml#
19 - ti,nspire-keypad
30 scan-interval:
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| D | gpio-matrix-keypad.txt | 6 keypad can sense a key-press and key-release by means of GPIO lines and
10 - compatible: Should be "gpio-matrix-keypad"
11 - row-gpios: List of gpios used as row lines. The gpio specifier
14 - col-gpios: List of gpios used as column lines. The gpio specifier
17 - linux,keymap: The definition can be found at
18 bindings/input/matrix-keymap.txt
21 - linux,no-autorepeat: do no enable autorepeat feature.
22 - wakeup-source: use any event on keypad as wakeup event.
24 - debounce-delay-ms: debounce interval in milliseconds
25 - col-scan-delay-us: delay, measured in microseconds, that is needed
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| D | syna,rmi4.yaml | 1 # SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause
3 ---
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
10 - Jason A. Donenfeld <Jason@zx2c4.com>
11 - Matthias Schiffer <matthias.schiffer@ew.tq-group.com
12 - Vincent Huang <vincent.huang@tw.synaptics.com>
22 - syna,rmi4-i2c
23 - syna,rmi4-spi
28 '#address-cells':
31 '#size-cells':
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| /Documentation/devicetree/bindings/mmc/ |
| D | mmc-pwrseq-simple.yaml | 1 # SPDX-License-Identifier: GPL-2.0
3 ---
4 $id: http://devicetree.org/schemas/mmc/mmc-pwrseq-simple.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
10 - Ulf Hansson <ulf.hansson@linaro.org>
14 of common properties between various SOC designs. It thus enables us to use
19 const: mmc-pwrseq-simple
21 reset-gpios:
28 They will be de-asserted right after the power has been provided to the
33 description: Handle for the entry in clock-names.
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| /Documentation/devicetree/bindings/input/touchscreen/ |
| D | adi,ad7879.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: Analog Devices AD7879(-1)/AD7889(-1) touchscreen interface (SPI/I2C)
10 - Frank Li <Frank.Li@nxp.com>
16 for I2C slave, use "adi,ad7879-1"
18 - adi,ad7879
19 - adi,ad7879-1
27 touchscreen-max-pressure:
31 adi,resistance-plate-x:
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| /Documentation/driver-api/thermal/ |
| D | exynos_thermal_emulation.rst | 10 -----------
27 (Exynos also supports user changeable delay time which would be used to
28 delay of changing temperature. However, this node only uses same delay
29 of real sensing time, 938us.)
32 enabling. It means when you want to update the any value of delay or
49 | +-----------
51 | +-------------| |
54 20 | | | +----------
58 |<----->| |<----->| |<----->| |
59 | 938us | | | | | |
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| /Documentation/devicetree/bindings/spi/ |
| D | spi-peripheral-props.yaml | 1 # SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
3 ---
4 $id: http://devicetree.org/schemas/spi/spi-peripheral-props.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
7 title: Peripheral-specific properties for a SPI bus.
11 be common properties like spi-max-frequency, spi-cpha, etc. or they could be
12 controller specific like delay in clock or data lines, etc. These properties
13 need to be defined in the peripheral node because they are per-peripheral and
19 - Mark Brown <broonie@kernel.org>
27 - minimum: 0
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| /Documentation/hwmon/ |
| D | nsa320.rst | 22 Adam Baker <linux@baker-net.org.uk>
25 -----------
40 sysfs-Interface
41 ---------------
49 -----
52 provided kernel. Testing has shown that if the delay between chip select and
55 is reduced from 100 us to less than 15 us then data pulses are likely to be
57 of one unit but suggests that the Zyxel provided delay values include a
64 to read both of these values avoiding a second read delay is desirable.
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| /Documentation/timers/ |
| D | timers-howto.rst | 2 delays - Information on the various kernel delay / sleep mechanisms
6 RightWay (TM) to insert a delay?"
14 ----------------
18 it really need to delay in atomic context?" If so...
21 You must use the `*delay` family of functions. These
24 the desired delay:
30 udelay is the generally preferred API; ndelay-level
31 precision may not actually exist on many non-PC devices.
38 NON-ATOMIC CONTEXT:
45 -- Backed by busy-wait loop:
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| /Documentation/devicetree/bindings/thermal/ |
| D | thermal-idle.yaml | 1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
4 ---
5 $id: http://devicetree.org/schemas/thermal/thermal-idle.yaml#
6 $schema: http://devicetree.org/meta-schemas/core.yaml#
11 - Daniel Lezcano <daniel.lezcano@linaro.org>
22 const: thermal-idle
24 A thermal-idle node describes the idle cooling device properties to
27 '#cooling-cells':
31 the cooling-maps reference. The first cell is the minimum cooling state
34 duration-us:
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| /Documentation/devicetree/bindings/i2c/ |
| D | i2c-arb-gpio-challenge.yaml | 1 # SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause
3 ---
4 $id: http://devicetree.org/schemas/i2c/i2c-arb-gpio-challenge.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
7 title: GPIO-based I2C Arbitration Using a Challenge & Response Mechanism
10 - Doug Anderson <dianders@chromium.org>
11 - Peter Rosin <peda@axentia.se>
18 standard I2C multi-master rules. Using GPIOs is generally useful in the case
30 others can see. These are all active low with pull-ups enabled. We'll
32 * OUR_CLAIM: output from us signaling to other hosts that we want the bus
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| /Documentation/admin-guide/blockdev/ |
| D | paride.rst | 5 PARIDE v1.03 (c) 1997-8 Grant Guenther <grant@torque.net>
12 to personal computers, many external devices such as portable hard-disk,
13 CD-ROM, LS-120 and tape drives use the parallel port to connect to their
14 host computer. While some devices (notably scanners) use ad-hoc methods
17 a parallel-port adapter chip added in. Some of the original parallel port
19 (The Iomega PPA-3 adapter used in the ZIP drives is an example of this
27 which is then connected to a floppy-tape mechanism. The vast majority
30 were to open up a parallel port CD-ROM drive, for instance, one would
31 find a standard ATAPI CD-ROM drive, a power supply, and a single adapter
33 IDE cable. It is usually possible to exchange the CD-ROM device with
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| /Documentation/tools/rtla/ |
| D | rtla-timerlat-top.rst | 2 rtla-timerlat-top
4 -------------------------------------------
6 -------------------------------------------
22 seem with the option **-T**.
35 **--aa-only** *us*
38 Print the auto-analysis if the system hits the stop tracing condition. This option
45 In the example below, the timerlat tracer is dispatched in cpus *1-23* in the
46 automatic trace mode, instructing the tracer to stop if a *40 us* latency or
49 # timerlat -a 40 -c 1-23 -q
51 0 00:00:12 | IRQ Timer Latency (us) | Thread Timer Latency (us)
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| /Documentation/devicetree/bindings/power/reset/ |
| D | atmel,sama5d2-shdwc.yaml | 1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
3 ---
4 $id: http://devicetree.org/schemas/power/reset/atmel,sama5d2-shdwc.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
10 - Claudiu Beznea <claudiu.beznea@microchip.com>
14 and VDDCORE and the wake-up detection on debounced input lines.
19 - items:
20 - const: microchip,sama7g5-shdwc
21 - const: syscon
22 - enum:
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| /Documentation/devicetree/bindings/sound/ |
| D | nuvoton,nau8825.yaml | 1 # SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause
3 ---
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
10 - John Hsu <KCHSU0@nuvoton.com>
13 - $ref: dai-common.yaml#
18 - nuvoton,nau8825
26 nuvoton,jkdet-enable:
31 nuvoton,jkdet-pull-enable:
34 If set - pin pull enabled, otherwise pin in high impedance state.
37 nuvoton,jkdet-pull-up:
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| /Documentation/devicetree/bindings/mfd/ |
| D | st,stmpe.yaml | 1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
3 ---
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
15 - Linus Walleij <linus.walleij@linaro.org>
18 - $ref: /schemas/spi/spi-peripheral-props.yaml#
23 - st,stmpe601
24 - st,stmpe801
25 - st,stmpe811
26 - st,stmpe1600
27 - st,stmpe1601
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