Lines Matching +full:bias +full:- +full:high +full:- +full:impedance

1 /* SPDX-License-Identifier: GPL-2.0-only */
5  * Copyright (C) 2011 ST-Ericsson SA
6  * Written on behalf of Linaro for ST-Ericsson
21  * enum pin_config_param - possible pin configuration parameters
25  *	bus to change the value by driving the bus high or low and switching to
27  * @PIN_CONFIG_BIAS_DISABLE: disable any pin bias on the pin, a
28  *	transition from say pull-up to pull-down implies that you disable
29  *	pull-up in the process, this setting disables all biasing.
30  * @PIN_CONFIG_BIAS_HIGH_IMPEDANCE: the pin will be set to a high impedance
31  *	mode, also know as "third-state" (tristate) or "high-Z" or "floating".
34  *	to it for a while. Pins used for input are usually always high
35  *	impedance.
36  * @PIN_CONFIG_BIAS_PULL_DOWN: the pin will be pulled down (usually with high
37  *	impedance to GROUND). If the argument is != 0 pull-down is enabled,
38  *	if it is 0, pull-down is total, i.e. the pin is connected to GROUND.
47  * @PIN_CONFIG_BIAS_PULL_UP: the pin will be pulled up (usually with high
48  *	impedance to VDD). If the argument is != 0 pull-up is enabled,
49  *	if it is 0, pull-up is total, i.e. the pin is connected to VDD.
57  * @PIN_CONFIG_DRIVE_PUSH_PULL: the pin will be driven actively high and
60  *	push-pull mode, the argument is ignored.
73  *	schmitt-trigger mode. If the schmitt-trigger has adjustable hysteresis,
76  * @PIN_CONFIG_INPUT_SCHMITT_ENABLE: control schmitt-trigger mode on the pin.
77  *      If the argument != 0, schmitt-trigger mode is enabled. If it's 0,
78  *      schmitt-trigger mode is disabled.
85  * 	value on the line. Use argument 1 to indicate high level, argument 0 to
86  *	indicate low level. (Please see Documentation/driver-api/pin-control.rst,
94  * @PIN_CONFIG_OUTPUT_IMPEDANCE_OHMS: this will configure the output impedance