Searched +full:delay +full:- +full:us (Results 1 – 25 of 78) sorted by relevance
1234
| /Documentation/devicetree/bindings/mmc/ |
| D | mmc-pwrseq-simple.txt | 4 common properties between various SOC designs. It thus enables us to use the
8 - compatible : contains "mmc-pwrseq-simple".
11 - reset-gpios : contains a list of GPIO specifiers. The reset GPIOs are asserted
13 They will be de-asserted right after the power has been provided to the
15 - clocks : Must contain an entry for the entry in clock-names.
16 See ../clocks/clock-bindings.txt for details.
17 - clock-names : Must include the following entry:
19 - post-power-on-delay-ms : Delay in ms after powering the card and
20 de-asserting the reset-gpios (if any)
21 - power-off-delay-us : Delay in us after asserting the reset-gpios (if any)
[all …]
|
| /Documentation/devicetree/bindings/input/rmi4/ |
| D | rmi_spi.txt | 10 - compatible: syna,rmi4-spi
11 - reg: Chip select address for the device
12 - #address-cells: Set to 1 to indicate that the function child nodes
14 - #size-cells: Set to 0 to indicate that the function child nodes do not
18 - interrupts: interrupt which the rmi device is connected to.
19 See Documentation/devicetree/bindings/interrupt-controller/interrupts.txt
21 - spi-rx-delay-us: microsecond delay after a read transfer.
22 - spi-tx-delay-us: microsecond delay after a write transfer.
33 rmi4-spi-dev@0 {
34 compatible = "syna,rmi4-spi";
[all …]
|
| /Documentation/devicetree/bindings/input/touchscreen/ |
| D | stmpe.txt | 2 ----------------
5 - compatible: "st,stmpe-ts"
8 - st,ave-ctrl : Sample average control
9 0 -> 1 sample
10 1 -> 2 samples
11 2 -> 4 samples
12 3 -> 8 samples
13 - st,touch-det-delay : Touch detect interrupt delay (recommended is 3)
14 0 -> 10 us
15 1 -> 50 us
[all …]
|
| D | ad7879.txt | 1 * Analog Devices AD7879(-1)/AD7889(-1) touchscreen interface (SPI/I2C)
4 - compatible : for SPI slave, use "adi,ad7879"
5 for I2C slave, use "adi,ad7879-1"
6 - reg : SPI chipselect/I2C slave address
7 See spi-bus.txt for more SPI slave properties
8 - interrupts : touch controller interrupt
9 - touchscreen-max-pressure : maximum reported pressure
10 - adi,resistance-plate-x : total resistance of X-plate (for pressure
13 - touchscreen-swapped-x-y : X and Y axis are swapped (boolean)
14 - adi,first-conversion-delay : 0-12: In 128us steps (starting with 128us)
[all …]
|
| /Documentation/devicetree/bindings/input/ |
| D | ti,nspire-keypad.txt | 1 TI-NSPIRE Keypad
4 - compatible: Compatible property value should be "ti,nspire-keypad".
6 - reg: Physical base address of the peripheral and length of memory mapped
9 - interrupts: The interrupt number for the peripheral.
11 - scan-interval: How often to scan in us. Based on a APB speed of 33MHz, the
12 maximum and minimum delay time is ~2000us and ~500us respectively
14 - row-delay: How long to wait before scanning each row.
16 - clocks: The clock this peripheral is attached to.
18 - linux,keymap: The keymap to use
19 (see Documentation/devicetree/bindings/input/matrix-keymap.txt)
[all …]
|
| 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
[all …]
|
| D | hid-over-i2c.txt | 1 * HID over I2C Device-Tree bindings
8 http://msdn.microsoft.com/en-us/library/windows/hardware/hh852380.aspx
10 If this binding is used, the kernel module i2c-hid will handle the communication
14 - compatible: must be "hid-over-i2c"
15 - reg: i2c slave address
16 - hid-descr-addr: HID descriptor address
17 - interrupts: interrupt line
23 device-specific compatible properties, which should be used in addition to the
24 "hid-over-i2c" string.
26 - compatible:
[all …]
|
| /Documentation/devicetree/bindings/i2c/ |
| D | i2c-arb-gpio-challenge.txt | 1 GPIO-based I2C Arbitration Using a Challenge & Response Mechanism
7 the standard I2C multi-master rules. Using GPIOs is generally useful in
21 others can see. These are all active low with pull-ups enabled. We'll
24 - OUR_CLAIM: output from us signaling to other hosts that we want the bus
25 - THEIR_CLAIMS: output from others signaling that they want the bus
43 - compatible: i2c-arb-gpio-challenge
44 - our-claim-gpio: The GPIO that we use to claim the bus.
45 - their-claim-gpios: The GPIOs that the other sides use to claim the bus.
47 - I2C arbitration bus node. See i2c-arb.txt in this directory.
50 - slew-delay-us: microseconds to wait for a GPIO to go high. Default is 10 us.
[all …]
|
| /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 | | | | | |
|
| /Documentation/devicetree/bindings/regulator/ |
| 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
[all …]
|
| D | tps65132-regulator.txt | 4 - compatible: "ti,tps65132"
5 - reg: I2C slave address
9 device node describe the properties of these regulators. The sub-node
11 -For regulator outp, the sub node name should be "outp".
12 -For regulator outn, the sub node name should be "outn".
14 -enable-gpios:(active high, output) Regulators are controlled by the input pins.
17 -active-discharge-gpios: (active high, output) Some configurations use delay mechanisms
20 the delay mechanism. Requires specification of ti,active-discharge-time-us
21 -ti,active-discharge-time-us: how long the active discharge gpio should be
33 regulator-name = "outp";
[all …]
|
| D | regulator.yaml | 1 # SPDX-License-Identifier: GPL-2.0
3 ---
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
10 - Liam Girdwood <lgirdwood@gmail.com>
11 - Mark Brown <broonie@kernel.org>
14 regulator-name:
18 regulator-min-microvolt:
21 regulator-max-microvolt:
24 regulator-microvolt-offset:
27 regulator-min-microamp:
[all …]
|
| 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#"
26 const: regulator-fixed-clock
28 - clocks
[all …]
|
| D | samsung,s2mpa01.txt | 4 This is a part of device tree bindings for S2M family multi-function devices.
5 More information can be found in bindings/mfd/sec-core.txt file.
10 a sub-node named "regulators" with more sub-nodes for each regulator using the
12 - Documentation/devicetree/bindings/regulator/regulator.txt
16 - LDOn
17 - valid values for n are 1 to 26
18 - Example: LDO1, LD02, LDO26
19 - BUCKn
20 - valid values for n are 1 to 10.
21 - Example: BUCK1, BUCK2, BUCK9
[all …]
|
| 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:
[all …]
|
| /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.
|
| /Documentation/devicetree/bindings/net/ |
| 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
[all …]
|
| 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].
[all …]
|
| 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
24 "#address-cells":
27 "#size-cells":
30 reset-gpios:
[all …]
|
| 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>.
[all …]
|
| /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:
[all …]
|
| /Documentation/devicetree/bindings/iio/adc/ |
| D | qcom,spmi-vadc.txt | 3 - SPMI PMIC voltage ADC (VADC) provides interface to clients to read
4 voltage. The VADC is a 15-bit sigma-delta ADC.
5 - SPMI PMIC5 voltage ADC (ADC) provides interface to clients to read
6 voltage. The VADC is a 16-bit sigma-delta ADC.
10 - compatible:
13 Definition: Should contain "qcom,spmi-vadc".
14 Should contain "qcom,spmi-adc5" for PMIC5 ADC driver.
15 Should contain "qcom,spmi-adc-rev2" for PMIC rev2 ADC driver.
16 Should contain "qcom,pms405-adc" for PMS405 PMIC
18 - reg:
[all …]
|
| /Documentation/devicetree/bindings/arm/ |
| D | idle-states.txt | 6 1 - Introduction
10 where cores can be put in different low-power states (ranging from simple
12 the range of dynamic idle states that a processor can enter at run-time, can be
19 - Running
20 - Idle_standby
21 - Idle_retention
22 - Sleep
23 - Off
29 wake-up capabilities, hence it is not considered in this document).
39 2 - idle-states definitions
[all …]
|
| /Documentation/devicetree/bindings/spi/ |
| D | spi-controller.yaml | 1 # SPDX-License-Identifier: GPL-2.0
3 ---
4 $id: http://devicetree.org/schemas/spi/spi-controller.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
10 - Mark Brown <broonie@kernel.org>
20 pattern: "^spi(@.*|-[0-9a-f])*$"
22 "#address-cells":
25 "#size-cells":
28 cs-gpios:
32 increased automatically with max(cs-gpios, hardware chip selects).
[all …]
|
| /Documentation/trace/ |
| D | ftrace.rst | 2 ftrace - Function Tracer
13 - Written for: 2.6.28-rc2
14 - Updated for: 3.10
15 - Updated for: 4.13 - Copyright 2017 VMware Inc. Steven Rostedt
16 - Converted to rst format - Changbin Du <changbin.du@intel.com>
19 ------------
24 performance issues that take place outside of user-space.
41 ----------------------
43 See :doc:`ftrace-design` for details for arch porters and such.
47 ---------------
[all …]
|
1234