| sfking@fdwdc.com | af39bb8 | 2009-06-19 18:11:00 -0700 | [diff] [blame] | 1 | /* |
| 2 | * Coldfire generic GPIO support. |
| 3 | * |
| 4 | * (C) Copyright 2009, Steven King <sfking@fdwdc.com> |
| 5 | * |
| 6 | * This program is free software; you can redistribute it and/or modify |
| 7 | * it under the terms of the GNU General Public License as published by |
| 8 | * the Free Software Foundation; version 2 of the License. |
| 9 | * |
| 10 | * This program is distributed in the hope that it will be useful, |
| 11 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 12 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 13 | * GNU General Public License for more details. |
| 14 | */ |
| 15 | |
| 16 | #ifndef mcfgpio_h |
| 17 | #define mcfgpio_h |
| 18 | |
| 19 | #include <linux/io.h> |
| 20 | #include <asm-generic/gpio.h> |
| 21 | |
| 22 | struct mcf_gpio_chip { |
| 23 | struct gpio_chip gpio_chip; |
| 24 | void __iomem *pddr; |
| 25 | void __iomem *podr; |
| 26 | void __iomem *ppdr; |
| 27 | void __iomem *setr; |
| 28 | void __iomem *clrr; |
| 29 | const u8 *gpio_to_pinmux; |
| 30 | }; |
| 31 | |
| 32 | int mcf_gpio_direction_input(struct gpio_chip *, unsigned); |
| 33 | int mcf_gpio_get_value(struct gpio_chip *, unsigned); |
| 34 | int mcf_gpio_direction_output(struct gpio_chip *, unsigned, int); |
| 35 | void mcf_gpio_set_value(struct gpio_chip *, unsigned, int); |
| 36 | void mcf_gpio_set_value_fast(struct gpio_chip *, unsigned, int); |
| 37 | int mcf_gpio_request(struct gpio_chip *, unsigned); |
| 38 | void mcf_gpio_free(struct gpio_chip *, unsigned); |
| 39 | |
| 40 | #endif |