Release 4.7 drivers/pinctrl/stm32/pinctrl-stm32.h

/*
 * Copyright (C) Maxime Coquelin 2015
 * Author:  Maxime Coquelin <mcoquelin.stm32@gmail.com>
 * License terms:  GNU General Public License (GPL), version 2
 */
#ifndef __PINCTRL_STM32_H

#define __PINCTRL_STM32_H

#include <linux/pinctrl/pinctrl.h>
#include <linux/pinctrl/pinconf-generic.h>


#define STM32_PIN_NO(x) ((x) << 8)

#define STM32_GET_PIN_NO(x) ((x) >> 8)

#define STM32_GET_PIN_FUNC(x) ((x) & 0xff)


#define STM32_PIN_GPIO		0

#define STM32_PIN_AF(x)		((x) + 1)

#define STM32_PIN_ANALOG	(STM32_PIN_AF(15) + 1)


struct stm32_desc_function {
	
const char *name;
	
const unsigned char num;
};


struct stm32_desc_pin {
	
struct pinctrl_pin_desc pin;
	
const struct stm32_desc_function *functions;
};


#define STM32_PIN(_pin, ...)					\
	{                                                       \
                .pin = _pin,                                    \
                .functions = (struct stm32_desc_function[]){    \
                        __VA_ARGS__, { } },                     \
        }


#define STM32_FUNCTION(_num, _name)		\
	{                                                       \
                .num = _num,                                    \
                .name = _name,                                  \
        }


struct stm32_pinctrl_match_data {
	
const struct stm32_desc_pin *pins;
	
const unsigned int npins;
};

int stm32_pctl_probe(struct platform_device *pdev);

#endif /* __PINCTRL_STM32_H */

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Directory: drivers/pinctrl/stm32

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