blob: 6a0475d3b6f18de651c071a122c110e7b66947a4 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
|
/*
* Copyright (c) 2006-2022, RT-Thread Development Team
*
* SPDX-License-Identifier: Apache-2.0
*/
#ifndef __DT_BINDINGS_PIN_STATE_H__
#define __DT_BINDINGS_PIN_STATE_H__
#define PIND_FLAGS_BIT_DIR_SET (1 << 0)
#define PIND_FLAGS_BIT_DIR_OUT (1 << 1)
#define PIND_FLAGS_BIT_DIR_VAL (1 << 2)
#define PIND_FLAGS_BIT_OPEN_DRAIN (1 << 3)
#define PIND_FLAGS_BIT_NONEXCLUSIVE (1 << 4)
/* Don't change anything */
#define PIND_ASIS 0
/* Set lines to input mode */
#define PIND_IN PIND_FLAGS_BIT_DIR_SET
/* Set lines to output and drive them low */
#define PIND_OUT_LOW (PIND_FLAGS_BIT_DIR_SET | PIND_FLAGS_BIT_DIR_OUT)
/* Set lines to output and drive them high */
#define PIND_OUT_HIGH (PIND_FLAGS_BIT_DIR_SET | PIND_FLAGS_BIT_DIR_OUT | PIND_FLAGS_BIT_DIR_VAL)
/* Set lines to open-drain output and drive them low */
#define PIND_OUT_LOW_OPEN_DRAIN (PIND_OUT_LOW | PIND_FLAGS_BIT_OPEN_DRAIN)
/* Set lines to open-drain output and drive them high */
#define PIND_OUT_HIGH_OPEN_DRAIN (PIND_OUT_HIGH | PIND_FLAGS_BIT_OPEN_DRAIN)
#endif /* __DT_BINDINGS_PIN_STATE_H__ */
|
