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
21/*  package information */
22#define STM32MP_PKG_AA		BIT(0)
23#define STM32MP_PKG_AB		BIT(1)
24#define STM32MP_PKG_AC		BIT(2)
25#define STM32MP_PKG_AD		BIT(3)
26
27struct stm32_desc_function {
28	const char *name;
29	const unsigned char num;
30};
31
32struct stm32_desc_pin {
33	struct pinctrl_pin_desc pin;
34	const struct stm32_desc_function *functions;
35	const unsigned int pkg;
36};
37
38#define STM32_PIN(_pin, ...)					\
39	{							\
40		.pin = _pin,					\
41		.functions = (struct stm32_desc_function[]){	\
42			__VA_ARGS__, { } },			\
43	}
44
45#define STM32_PIN_PKG(_pin, _pkg, ...)					\
46	{							\
47		.pin = _pin,					\
48		.pkg  = _pkg,				\
49		.functions = (struct stm32_desc_function[]){	\
50			__VA_ARGS__, { } },			\
51	}
52#define STM32_FUNCTION(_num, _name)		\
53	{							\
54		.num = _num,					\
55		.name = _name,					\
56	}
57
58struct stm32_pinctrl_match_data {
59	const struct stm32_desc_pin *pins;
60	const unsigned int npins;
61};
62
63struct stm32_gpio_bank;
64
65int stm32_pctl_probe(struct platform_device *pdev);
66void stm32_pmx_get_mode(struct stm32_gpio_bank *bank,
67			int pin, u32 *mode, u32 *alt);
68int stm32_pinctrl_resume(struct device *dev);
69
70#endif /* __PINCTRL_STM32_H */
71
72