af39bb8b07
This adds the basic infrastructure used by all of the different Coldfire CPUs. Signed-off-by: Steven King <sfking@fdwdc.com> Signed-off-by: Greg Ungerer <gerg@uclinux.org>
40 lines
1.2 KiB
C
40 lines
1.2 KiB
C
/*
|
|
* Coldfire generic GPIO support.
|
|
*
|
|
* (C) Copyright 2009, Steven King <sfking@fdwdc.com>
|
|
*
|
|
* 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.
|
|
*
|
|
* This program is distributed in the hope that it will be useful,
|
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
* GNU General Public License for more details.
|
|
*/
|
|
|
|
#ifndef mcfgpio_h
|
|
#define mcfgpio_h
|
|
|
|
#include <linux/io.h>
|
|
#include <asm-generic/gpio.h>
|
|
|
|
struct mcf_gpio_chip {
|
|
struct gpio_chip gpio_chip;
|
|
void __iomem *pddr;
|
|
void __iomem *podr;
|
|
void __iomem *ppdr;
|
|
void __iomem *setr;
|
|
void __iomem *clrr;
|
|
const u8 *gpio_to_pinmux;
|
|
};
|
|
|
|
int mcf_gpio_direction_input(struct gpio_chip *, unsigned);
|
|
int mcf_gpio_get_value(struct gpio_chip *, unsigned);
|
|
int mcf_gpio_direction_output(struct gpio_chip *, unsigned, int);
|
|
void mcf_gpio_set_value(struct gpio_chip *, unsigned, int);
|
|
void mcf_gpio_set_value_fast(struct gpio_chip *, unsigned, int);
|
|
int mcf_gpio_request(struct gpio_chip *, unsigned);
|
|
void mcf_gpio_free(struct gpio_chip *, unsigned);
|
|
|
|
#endif
|