Zephyr API Documentation
4.0.99
A Scalable Open Source RTOS
Loading...
Searching...
No Matches
b91-pinctrl.h
Go to the documentation of this file.
1
/*
2
* Copyright (c) 2021 Telink Semiconductor
3
*
4
* SPDX-License-Identifier: Apache-2.0
5
*/
6
7
#ifndef ZEPHYR_B91_PINCTRL_COMMON_H_
8
#define ZEPHYR_B91_PINCTRL_COMMON_H_
9
10
/* IDs for GPIO functions */
11
12
#define B91_FUNC_A 0x00
13
#define B91_FUNC_B 0x01
14
#define B91_FUNC_C 0x02
15
16
/* IDs for GPIO Ports */
17
18
#define B91_PORT_A 0x00
19
#define B91_PORT_B 0x01
20
#define B91_PORT_C 0x02
21
#define B91_PORT_D 0x03
22
#define B91_PORT_E 0x04
23
24
/* IDs for GPIO Pins */
25
26
#define B91_PIN_0 0x01
27
#define B91_PIN_1 0x02
28
#define B91_PIN_2 0x04
29
#define B91_PIN_3 0x08
30
#define B91_PIN_4 0x10
31
#define B91_PIN_5 0x20
32
#define B91_PIN_6 0x40
33
#define B91_PIN_7 0x80
34
35
/* B91 pinctrl pull-up/down */
36
37
#define B91_PULL_NONE 0
38
#define B91_PULL_DOWN 2
39
#define B91_PULL_UP 3
40
41
/* Pin function positions */
42
43
#define B91_PIN_0_FUNC_POS 0x00
44
#define B91_PIN_1_FUNC_POS 0x02
45
#define B91_PIN_2_FUNC_POS 0x04
46
#define B91_PIN_3_FUNC_POS 0x06
47
#define B91_PIN_4_FUNC_POS 0x00
48
#define B91_PIN_5_FUNC_POS 0x02
49
#define B91_PIN_6_FUNC_POS 0x04
50
#define B91_PIN_7_FUNC_POS 0x06
51
52
/* B91 pin configuration bit field positions and masks */
53
54
#define B91_PULL_POS 19
55
#define B91_PULL_MSK 0x3
56
#define B91_FUNC_POS 16
57
#define B91_FUNC_MSK 0x3
58
#define B91_PORT_POS 8
59
#define B91_PORT_MSK 0xFF
60
#define B91_PIN_POS 0
61
#define B91_PIN_MSK 0xFFFF
62
#define B91_PIN_ID_MSK 0xFF
63
64
/* Setters and getters */
65
66
#define B91_PINMUX_SET(port, pin, func) ((func << B91_FUNC_POS) | \
67
(port << B91_PORT_POS) | \
68
(pin << B91_PIN_POS))
69
#define B91_PINMUX_GET_PULL(pinmux) ((pinmux >> B91_PULL_POS) & B91_PULL_MSK)
70
#define B91_PINMUX_GET_FUNC(pinmux) ((pinmux >> B91_FUNC_POS) & B91_FUNC_MSK)
71
#define B91_PINMUX_GET_PIN(pinmux) ((pinmux >> B91_PIN_POS) & B91_PIN_MSK)
72
#define B91_PINMUX_GET_PIN_ID(pinmux) ((pinmux >> B91_PIN_POS) & B91_PIN_ID_MSK)
73
74
#endif
/* ZEPHYR_B91_PINCTRL_COMMON_H_ */
zephyr
dt-bindings
pinctrl
b91-pinctrl.h
Generated on Sat Nov 23 2024 03:10:36 for Zephyr API Documentation by
1.12.0