pinctrl-stm32.h

 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_PIN_RSVD		(STM32_PIN_ANALOG + 1)
21#define STM32_CONFIG_NUM	(STM32_PIN_RSVD + 1)
22
23/*  package information */
24#define STM32MP_PKG_AA		BIT(0)
25#define STM32MP_PKG_AB		BIT(1)
26#define STM32MP_PKG_AC		BIT(2)
27#define STM32MP_PKG_AD		BIT(3)
28#define STM32MP_PKG_AI		BIT(8)
29#define STM32MP_PKG_AK		BIT(10)
30#define STM32MP_PKG_AL		BIT(11)
31
32struct stm32_desc_function {
33	const char *name;
34	const unsigned char num;
35};
36
37struct stm32_desc_pin {
38	struct pinctrl_pin_desc pin;
39	const struct stm32_desc_function functions[STM32_CONFIG_NUM];
40	const unsigned int pkg;
41};
42
43#define STM32_PIN(_pin, ...)					\
44	{							\
45		.pin = _pin,					\
46		.functions = {	\
47			__VA_ARGS__},			\
48	}
49
50#define STM32_PIN_PKG(_pin, _pkg, ...)					\
51	{							\
52		.pin = _pin,					\
53		.pkg  = _pkg,				\
54		.functions = {	\
55			__VA_ARGS__},			\
56	}
57#define STM32_FUNCTION(_num, _name)		\
58	[_num] = {						\
59		.num = _num,					\
60		.name = _name,					\
61	}
62
63struct stm32_pinctrl_match_data {
64	const struct stm32_desc_pin *pins;
65	const unsigned int npins;
66	bool secure_control;
67	bool io_sync_control;
68	bool rif_control;
69};
70
71/**
72 * stm32_pctl_probe() - Common probe for stm32 pinctrl drivers.
73 * @pdev: Pinctrl platform device.
74 */
75int stm32_pctl_probe(struct platform_device *pdev);
76
77/**
78 * stm32_pinctrl_suspend() - Common suspend for stm32 pinctrl drivers.
79 * @dev: Pinctrl device.
80 */
81int stm32_pinctrl_suspend(struct device *dev);
82
83/**
84 * stm32_pinctrl_resume() - Common resume for stm32 pinctrl drivers.
85 * @dev: Pinctrl device.
86 */
87int stm32_pinctrl_resume(struct device *dev);
88
89#endif /* __PINCTRL_STM32_H */
90