Release 4.11 drivers/pinctrl/pxa/pinctrl-pxa2xx.h

/*
 * Marvell PXA2xx family pin control
 *
 * Copyright (C) 2015 Robert Jarzmik
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; version 2 of the License.
 *
 */

#ifndef __PINCTRL_PXA_H

#define __PINCTRL_PXA_H


#define PXA_FUNCTION(_dir, _af, _name)				\
	{                                                       \
                .name = _name,                                  \
                .muxval = (_dir | (_af << 1)),                  \
        }


#define PXA_PIN(_pin, funcs...)					\
	{                                                       \
                .pin = _pin,                                    \
                .functions = (struct pxa_desc_function[]){      \
                        funcs, { } },                           \
        }


#define PXA_GPIO_PIN(_pin, funcs...)				\
	{                                                       \
                .pin = _pin,                                    \
                .functions = (struct pxa_desc_function[]){      \
                        PXA_FUNCTION(0, 0, "gpio_in"),          \
                        PXA_FUNCTION(1, 0, "gpio_out"),         \
                        funcs, { } },                           \
        }


#define PXA_GPIO_ONLY_PIN(_pin)					\
	{                                                       \
                .pin = _pin,                                    \
                .functions = (struct pxa_desc_function[]){      \
                        PXA_FUNCTION(0, 0, "gpio_in"),          \
                        PXA_FUNCTION(1, 0, "gpio_out"),         \
                        { } },                                  \
        }


#define PXA_PINCTRL_PIN(pin)		\
	PINCTRL_PIN(pin, "P" #pin)


struct pxa_desc_function {
	
const char	*name;
	
u8		muxval;
};


struct pxa_desc_pin {
	
struct pinctrl_pin_desc		pin;
	
struct pxa_desc_function	*functions;
};


struct pxa_pinctrl_group {
	
const char	*name;
	
unsigned	pin;
};


struct pxa_pinctrl_function {
	
const char	*name;
	
const char	**groups;
	
unsigned	ngroups;
};


struct pxa_pinctrl {
	
spinlock_t			lock;
	
void __iomem			**base_gafr;
	
void __iomem			**base_gpdr;
	
void __iomem			**base_pgsr;
	
struct device			*dev;
	
struct pinctrl_desc		desc;
	
struct pinctrl_dev		*pctl_dev;
	
unsigned			npins;
	
const struct pxa_desc_pin	*ppins;
	
unsigned			ngroups;
	
struct pxa_pinctrl_group	*groups;
	
unsigned			nfuncs;
	
struct pxa_pinctrl_function	*functions;
	
char				*name;
};

int pxa2xx_pinctrl_init(struct platform_device *pdev,
			const struct pxa_desc_pin *ppins, int npins,
			void __iomem *base_gafr[], void __iomem *base_gpdr[],
			void __iomem *base_gpsr[]);

#endif /* __PINCTRL_PXA_H */
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Directory: drivers/pinctrl/pxa

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