mirror of
https://github.com/adulau/aha.git
synced 2024-12-28 19:56:18 +00:00
97 lines
2.4 KiB
C
97 lines
2.4 KiB
C
|
/*
|
||
|
|
* SuperH Pin Function Controller Support
|
||
|
|
*
|
||
|
|
* Copyright (c) 2008 Magnus Damm
|
||
|
|
*
|
||
|
|
* This file is subject to the terms and conditions of the GNU General Public
|
||
|
|
* License. See the file "COPYING" in the main directory of this archive
|
||
|
|
* for more details.
|
||
|
|
*/
|
||
|
|
|
||
|
|
#ifndef __SH_PFC_H
|
||
|
|
#define __SH_PFC_H
|
||
|
|
|
||
|
|
#include <asm-generic/gpio.h>
|
||
|
|
|
||
|
|
typedef unsigned short pinmux_enum_t;
|
||
|
|
typedef unsigned short pinmux_flag_t;
|
||
|
|
|
||
|
|
#define PINMUX_TYPE_NONE 0
|
||
|
|
#define PINMUX_TYPE_FUNCTION 1
|
||
|
|
#define PINMUX_TYPE_GPIO 2
|
||
|
|
#define PINMUX_TYPE_OUTPUT 3
|
||
|
|
#define PINMUX_TYPE_INPUT 4
|
||
|
|
#define PINMUX_TYPE_INPUT_PULLUP 5
|
||
|
|
#define PINMUX_TYPE_INPUT_PULLDOWN 6
|
||
|
|
|
||
|
|
#define PINMUX_FLAG_TYPE (0x7)
|
||
|
|
#define PINMUX_FLAG_WANT_PULLUP (1 << 3)
|
||
|
|
#define PINMUX_FLAG_WANT_PULLDOWN (1 << 4)
|
||
|
|
|
||
|
|
#define PINMUX_FLAG_DBIT_SHIFT 5
|
||
|
|
#define PINMUX_FLAG_DBIT (0x1f << PINMUX_FLAG_DBIT_SHIFT)
|
||
|
|
#define PINMUX_FLAG_DREG_SHIFT 10
|
||
|
|
#define PINMUX_FLAG_DREG (0x3f << PINMUX_FLAG_DREG_SHIFT)
|
||
|
|
|
||
|
|
struct pinmux_gpio {
|
||
|
|
pinmux_enum_t enum_id;
|
||
|
|
pinmux_flag_t flags;
|
||
|
|
};
|
||
|
|
|
||
|
|
#define PINMUX_GPIO(gpio, data_or_mark) [gpio] = { data_or_mark }
|
||
|
|
#define PINMUX_DATA(data_or_mark, ids...) data_or_mark, ids, 0
|
||
|
|
|
||
|
|
struct pinmux_cfg_reg {
|
||
|
|
unsigned long reg, reg_width, field_width;
|
||
|
|
unsigned long *cnt;
|
||
|
|
pinmux_enum_t *enum_ids;
|
||
|
|
};
|
||
|
|
|
||
|
|
#define PINMUX_CFG_REG(name, r, r_width, f_width) \
|
||
|
|
.reg = r, .reg_width = r_width, .field_width = f_width, \
|
||
|
|
.cnt = (unsigned long [r_width / f_width]) {}, \
|
||
|
|
.enum_ids = (pinmux_enum_t [(r_width / f_width) * (1 << f_width)]) \
|
||
|
|
|
||
|
|
struct pinmux_data_reg {
|
||
|
|
unsigned long reg, reg_width, reg_shadow;
|
||
|
|
pinmux_enum_t *enum_ids;
|
||
|
|
};
|
||
|
|
|
||
|
|
#define PINMUX_DATA_REG(name, r, r_width) \
|
||
|
|
.reg = r, .reg_width = r_width, \
|
||
|
|
.enum_ids = (pinmux_enum_t [r_width]) \
|
||
|
|
|
||
|
|
struct pinmux_range {
|
||
|
|
pinmux_enum_t begin;
|
||
|
|
pinmux_enum_t end;
|
||
|
|
pinmux_enum_t force;
|
||
|
|
};
|
||
|
|
|
||
|
|
struct pinmux_info {
|
||
|
|
char *name;
|
||
|
|
pinmux_enum_t reserved_id;
|
||
|
|
struct pinmux_range data;
|
||
|
|
struct pinmux_range input;
|
||
|
|
struct pinmux_range input_pd;
|
||
|
|
struct pinmux_range input_pu;
|
||
|
|
struct pinmux_range output;
|
||
|
|
struct pinmux_range mark;
|
||
|
|
struct pinmux_range function;
|
||
|
|
|
||
|
|
unsigned first_gpio, last_gpio;
|
||
|
|
|
||
|
|
struct pinmux_gpio *gpios;
|
||
|
|
struct pinmux_cfg_reg *cfg_regs;
|
||
|
|
struct pinmux_data_reg *data_regs;
|
||
|
|
|
||
|
|
pinmux_enum_t *gpio_data;
|
||
|
|
unsigned int gpio_data_size;
|
||
|
|
|
||
|
|
unsigned long *gpio_in_use;
|
||
|
|
struct gpio_chip chip;
|
||
|
|
};
|
||
|
|
|
||
|
|
int register_pinmux(struct pinmux_info *pip);
|
||
|
|
|
||
|
|
#endif /* __SH_PFC_H */
|