| sfking@fdwdc.com | af39bb8 | 2009-06-19 18:11:00 -0700 | [diff] [blame] | 1 | /* |
| 2 | * Coldfire generic GPIO pinmux 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 pinmux_h |
| 17 | #define pinmux_h |
| 18 | |
| 19 | #define MCFPINMUX_NONE -1 |
| 20 | |
| 21 | extern int mcf_pinmux_request(unsigned, unsigned); |
| 22 | extern void mcf_pinmux_release(unsigned, unsigned); |
| 23 | |
| 24 | static inline int mcf_pinmux_is_valid(unsigned pinmux) |
| 25 | { |
| 26 | return pinmux != MCFPINMUX_NONE; |
| 27 | } |
| 28 | |
| 29 | #endif |
| 30 | |