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Index of /FSS-OZR/root/usr/share/doc/gsm
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ƒ™gÀ¾È Ñ /* SPDX-License-Identifier: GPL-2.0 */
/*
* This header provides constants for most GPIO bindings.
*
* Most GPIO bindings include a flags cell as part of the GPIO specifier.
* In most cases, the format of the flags cell uses the standard values
* defined in this header.
*/
#ifndef _DT_BINDINGS_GPIO_GPIO_H
#define _DT_BINDINGS_GPIO_GPIO_H
/* Bit 0 express polarity */
#define GPIO_ACTIVE_HIGH 0
#define GPIO_ACTIVE_LOW 1
/* Bit 1 express single-endedness */
#define GPIO_PUSH_PULL 0
#define GPIO_SINGLE_ENDED 2
/* Bit 2 express Open drain or open source */
#define GPIO_LINE_OPEN_SOURCE 0
#define GPIO_LINE_OPEN_DRAIN 4
/*
* Open Drain/Collector is the combination of single-ended open drain interface.
* Open Source/Emitter is the combination of single-ended open source interface.
*/
#define GPIO_OPEN_DRAIN (GPIO_SINGLE_ENDED | GPIO_LINE_OPEN_DRAIN)
#define GPIO_OPEN_SOURCE (GPIO_SINGLE_ENDED | GPIO_LINE_OPEN_SOURCE)
/* Bit 3 express GPIO suspend/resume and reset persistence */
#define GPIO_PERSISTENT 0
#define GPIO_TRANSITORY 8
/* Bit 4 express pull up */
#define GPIO_PULL_UP 16
/* Bit 5 express pull down */
#define GPIO_PULL_DOWN 32
/* Bit 6 express pull disable */
#define GPIO_PULL_DISABLE 64
#endif
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Index of /FSS-OZR/root/lib/modules/5.14.0-687.29.1.el9_8.x86_64/source/include/linux
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