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