/* * 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