Zephyr Project API  3.2.0
A Scalable Open Source RTOS
stm32-pinctrl.h
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1/*
2 * Copyright (c) 2017 Linaro Limited
3 *
4 * SPDX-License-Identifier: Apache-2.0
5 */
6
7#ifndef ZEPHYR_INCLUDE_DT_BINDINGS_PINCTRL_STM32_PINCTRL_H_
8#define ZEPHYR_INCLUDE_DT_BINDINGS_PINCTRL_STM32_PINCTRL_H_
9
10#include <zephyr/dt-bindings/pinctrl/stm32-pinctrl-common.h>
11
12/* Adapted from Linux: include/dt-bindings/pinctrl/stm32-pinfunc.h */
13
18#define STM32_AF0 0x0
19#define STM32_AF1 0x1
20#define STM32_AF2 0x2
21#define STM32_AF3 0x3
22#define STM32_AF4 0x4
23#define STM32_AF5 0x5
24#define STM32_AF6 0x6
25#define STM32_AF7 0x7
26#define STM32_AF8 0x8
27#define STM32_AF9 0x9
28#define STM32_AF10 0xa
29#define STM32_AF11 0xb
30#define STM32_AF12 0xc
31#define STM32_AF13 0xd
32#define STM32_AF14 0xe
33#define STM32_AF15 0xf
34#define STM32_ANALOG 0x10
35#define STM32_GPIO 0x11
36
56#define STM32_MODE_SHIFT 0U
57#define STM32_MODE_MASK 0x1FU
58#define STM32_LINE_SHIFT 5U
59#define STM32_LINE_MASK 0xFU
60#define STM32_PORT_SHIFT 9U
61#define STM32_PORT_MASK 0xFU
62
63#define STM32_PINMUX(port, line, mode) \
64 (((((port) - 'A') & STM32_PORT_MASK) << STM32_PORT_SHIFT) | \
65 (((line) & STM32_LINE_MASK) << STM32_LINE_SHIFT) | \
66 (((STM32_ ## mode) & STM32_MODE_MASK) << STM32_MODE_SHIFT))
67
82/* GPIO Mode */
83#define STM32_MODER_INPUT_MODE (0x0 << STM32_MODER_SHIFT)
84#define STM32_MODER_OUTPUT_MODE (0x1 << STM32_MODER_SHIFT)
85#define STM32_MODER_ALT_MODE (0x2 << STM32_MODER_SHIFT)
86#define STM32_MODER_ANALOG_MODE (0x3 << STM32_MODER_SHIFT)
87#define STM32_MODER_MASK 0x3
88#define STM32_MODER_SHIFT 4
89
90/* GPIO Output type */
91#define STM32_OTYPER_PUSH_PULL (0x0 << STM32_OTYPER_SHIFT)
92#define STM32_OTYPER_OPEN_DRAIN (0x1 << STM32_OTYPER_SHIFT)
93#define STM32_OTYPER_MASK 0x1
94#define STM32_OTYPER_SHIFT 6
95
96/* GPIO speed */
97#define STM32_OSPEEDR_LOW_SPEED (0x0 << STM32_OSPEEDR_SHIFT)
98#define STM32_OSPEEDR_MEDIUM_SPEED (0x1 << STM32_OSPEEDR_SHIFT)
99#define STM32_OSPEEDR_HIGH_SPEED (0x2 << STM32_OSPEEDR_SHIFT)
100#define STM32_OSPEEDR_VERY_HIGH_SPEED (0x3 << STM32_OSPEEDR_SHIFT)
101#define STM32_OSPEEDR_MASK 0x3
102#define STM32_OSPEEDR_SHIFT 7
103
104/* GPIO High impedance/Pull-up/pull-down */
105#define STM32_PUPDR_NO_PULL (0x0 << STM32_PUPDR_SHIFT)
106#define STM32_PUPDR_PULL_UP (0x1 << STM32_PUPDR_SHIFT)
107#define STM32_PUPDR_PULL_DOWN (0x2 << STM32_PUPDR_SHIFT)
108#define STM32_PUPDR_MASK 0x3
109#define STM32_PUPDR_SHIFT 9
110
111/* GPIO plain output value */
112#define STM32_ODR_0 (0x0 << STM32_ODR_SHIFT)
113#define STM32_ODR_1 (0x1 << STM32_ODR_SHIFT)
114#define STM32_ODR_MASK 0x1
115#define STM32_ODR_SHIFT 11
116
117#endif /* ZEPHYR_INCLUDE_DT_BINDINGS_PINCTRL_STM32_PINCTRL_H_ */