205 lines
3.6 KiB
C
205 lines
3.6 KiB
C
/*
|
|
* linux/drivers/pinctrl/pinctrl-lantiq.h
|
|
* based on linux/drivers/pinctrl/pinctrl-pxa3xx.h
|
|
*
|
|
* This program is free software; you can redistribute it and/or modify
|
|
* it under the terms of the GNU General Public License version 2 as
|
|
* publishhed by the Free Software Foundation.
|
|
*
|
|
* Copyright (C) 2012 John Crispin <john@phrozen.org>
|
|
*/
|
|
|
|
#ifndef __PINCTRL_LANTIQ_H
|
|
#define __PINCTRL_LANTIQ_H
|
|
|
|
#include <linux/clkdev.h>
|
|
#include <linux/pinctrl/pinctrl.h>
|
|
#include <linux/pinctrl/pinconf.h>
|
|
#include <linux/pinctrl/pinmux.h>
|
|
#include <linux/pinctrl/consumer.h>
|
|
#include <linux/pinctrl/machine.h>
|
|
|
|
#include "core.h"
|
|
|
|
#define ARRAY_AND_SIZE(x) (x), ARRAY_SIZE(x)
|
|
|
|
#define LTQ_MAX_MUX 4
|
|
#define MFPR_FUNC_MASK 0x3
|
|
|
|
#define LTQ_PINCONF_PACK(param, arg) ((param) << 16 | (arg))
|
|
#define LTQ_PINCONF_UNPACK_PARAM(conf) ((conf) >> 16)
|
|
#define LTQ_PINCONF_UNPACK_ARG(conf) ((conf) & 0xffff)
|
|
|
|
enum ltq_pinconf_param {
|
|
LTQ_PINCONF_PARAM_PULL,
|
|
LTQ_PINCONF_PARAM_OPEN_DRAIN,
|
|
LTQ_PINCONF_PARAM_DRIVE_CURRENT,
|
|
LTQ_PINCONF_PARAM_SLEW_RATE,
|
|
LTQ_PINCONF_PARAM_OUTPUT,
|
|
};
|
|
|
|
struct ltq_cfg_param {
|
|
const char *property;
|
|
enum ltq_pinconf_param param;
|
|
};
|
|
|
|
struct ltq_mfp_pin {
|
|
const char *name;
|
|
const unsigned int pin;
|
|
const unsigned short func[LTQ_MAX_MUX];
|
|
};
|
|
|
|
struct ltq_pin_group {
|
|
const char *name;
|
|
const unsigned mux;
|
|
const unsigned *pins;
|
|
const unsigned npins;
|
|
};
|
|
|
|
struct ltq_pmx_func {
|
|
const char *name;
|
|
const char * const *groups;
|
|
const unsigned num_groups;
|
|
};
|
|
|
|
struct ltq_pinmux_info {
|
|
struct device *dev;
|
|
struct pinctrl_dev *pctrl;
|
|
|
|
/* we need to manage up to 5 pad controllers */
|
|
void __iomem *membase[5];
|
|
|
|
/* the descriptor for the subsystem */
|
|
struct pinctrl_desc *desc;
|
|
|
|
/* we expose our pads to the subsystem */
|
|
struct pinctrl_pin_desc *pads;
|
|
|
|
/* the number of pads. this varies between socs */
|
|
unsigned int num_pads;
|
|
|
|
/* these are our multifunction pins */
|
|
const struct ltq_mfp_pin *mfp;
|
|
unsigned int num_mfp;
|
|
|
|
/* a number of multifunction pins can be grouped together */
|
|
const struct ltq_pin_group *grps;
|
|
unsigned int num_grps;
|
|
|
|
/* a mapping between function string and id */
|
|
const struct ltq_pmx_func *funcs;
|
|
unsigned int num_funcs;
|
|
|
|
/* the pinconf options that we are able to read from the DT */
|
|
const struct ltq_cfg_param *params;
|
|
unsigned int num_params;
|
|
|
|
/* the pad controller can have a irq mapping */
|
|
const unsigned *exin;
|
|
unsigned int num_exin;
|
|
|
|
/* we need 5 clocks max */
|
|
struct clk *clk[5];
|
|
|
|
/* soc specific callback used to apply muxing */
|
|
int (*apply_mux)(struct pinctrl_dev *pctrldev, int pin, int mux);
|
|
};
|
|
|
|
enum ltq_pin {
|
|
GPIO0 = 0,
|
|
GPIO1,
|
|
GPIO2,
|
|
GPIO3,
|
|
GPIO4,
|
|
GPIO5,
|
|
GPIO6,
|
|
GPIO7,
|
|
GPIO8,
|
|
GPIO9,
|
|
GPIO10, /* 10 */
|
|
GPIO11,
|
|
GPIO12,
|
|
GPIO13,
|
|
GPIO14,
|
|
GPIO15,
|
|
GPIO16,
|
|
GPIO17,
|
|
GPIO18,
|
|
GPIO19,
|
|
GPIO20, /* 20 */
|
|
GPIO21,
|
|
GPIO22,
|
|
GPIO23,
|
|
GPIO24,
|
|
GPIO25,
|
|
GPIO26,
|
|
GPIO27,
|
|
GPIO28,
|
|
GPIO29,
|
|
GPIO30, /* 30 */
|
|
GPIO31,
|
|
GPIO32,
|
|
GPIO33,
|
|
GPIO34,
|
|
GPIO35,
|
|
GPIO36,
|
|
GPIO37,
|
|
GPIO38,
|
|
GPIO39,
|
|
GPIO40, /* 40 */
|
|
GPIO41,
|
|
GPIO42,
|
|
GPIO43,
|
|
GPIO44,
|
|
GPIO45,
|
|
GPIO46,
|
|
GPIO47,
|
|
GPIO48,
|
|
GPIO49,
|
|
GPIO50, /* 50 */
|
|
GPIO51,
|
|
GPIO52,
|
|
GPIO53,
|
|
GPIO54,
|
|
GPIO55,
|
|
GPIO56,
|
|
GPIO57,
|
|
GPIO58,
|
|
GPIO59,
|
|
GPIO60, /* 60 */
|
|
GPIO61,
|
|
GPIO62,
|
|
GPIO63,
|
|
|
|
GPIO64,
|
|
GPIO65,
|
|
GPIO66,
|
|
GPIO67,
|
|
GPIO68,
|
|
GPIO69,
|
|
GPIO70,
|
|
GPIO71,
|
|
GPIO72,
|
|
GPIO73,
|
|
GPIO74,
|
|
GPIO75,
|
|
GPIO76,
|
|
GPIO77,
|
|
GPIO78,
|
|
GPIO79,
|
|
GPIO80,
|
|
GPIO81,
|
|
GPIO82,
|
|
GPIO83,
|
|
GPIO84,
|
|
GPIO85,
|
|
GPIO86,
|
|
GPIO87,
|
|
GPIO88,
|
|
};
|
|
|
|
extern int ltq_pinctrl_register(struct platform_device *pdev,
|
|
struct ltq_pinmux_info *info);
|
|
extern int ltq_pinctrl_unregister(struct platform_device *pdev);
|
|
#endif /* __PINCTRL_LANTIQ_H */
|