1/* SPDX-License-Identifier: GPL-2.0 */
2/*
3 * Copyright (C) Maxime Coquelin 2015
4 * Copyright (C) STMicroelectronics 2017
5 * Author: Maxime Coquelin <mcoquelin.stm32@gmail.com>
6 */
7#ifndef __PINCTRL_STM32_H
8#define __PINCTRL_STM32_H
9
10#include <linux/pinctrl/pinctrl.h>
11#include <linux/pinctrl/pinconf-generic.h>
12
13#define STM32_PIN_NO(x) ((x) << 8)
14#define STM32_GET_PIN_NO(x) ((x) >> 8)
15#define STM32_GET_PIN_FUNC(x) ((x) & 0xff)
16
17#define STM32_PIN_GPIO 0
18#define STM32_PIN_AF(x) ((x) + 1)
19#define STM32_PIN_ANALOG (STM32_PIN_AF(15) + 1)
20#define STM32_CONFIG_NUM (STM32_PIN_ANALOG + 1)
21
22/* package information */
23#define STM32MP_PKG_AA BIT(0)
24#define STM32MP_PKG_AB BIT(1)
25#define STM32MP_PKG_AC BIT(2)
26#define STM32MP_PKG_AD BIT(3)
27#define STM32MP_PKG_AI BIT(8)
28#define STM32MP_PKG_AK BIT(10)
29#define STM32MP_PKG_AL BIT(11)
30
31struct stm32_desc_function {
32 const char *name;
33 const unsigned char num;
34};
35
36struct stm32_desc_pin {
37 struct pinctrl_pin_desc pin;
38 const struct stm32_desc_function functions[STM32_CONFIG_NUM];
39 const unsigned int pkg;
40};
41
42#define STM32_PIN(_pin, ...) \
43 { \
44 .pin = _pin, \
45 .functions = { \
46 __VA_ARGS__}, \
47 }
48
49#define STM32_PIN_PKG(_pin, _pkg, ...) \
50 { \
51 .pin = _pin, \
52 .pkg = _pkg, \
53 .functions = { \
54 __VA_ARGS__}, \
55 }
56#define STM32_FUNCTION(_num, _name) \
57 [_num] = { \
58 .num = _num, \
59 .name = _name, \
60 }
61
62struct stm32_pinctrl_match_data {
63 const struct stm32_desc_pin *pins;
64 const unsigned int npins;
65 bool secure_control;
66};
67
68struct stm32_gpio_bank;
69
70int stm32_pctl_probe(struct platform_device *pdev);
71void stm32_pmx_get_mode(struct stm32_gpio_bank *bank,
72 int pin, u32 *mode, u32 *alt);
73int stm32_pinctrl_suspend(struct device *dev);
74int stm32_pinctrl_resume(struct device *dev);
75
76#endif /* __PINCTRL_STM32_H */
77
78

source code of linux/drivers/pinctrl/stm32/pinctrl-stm32.h