| /* |
| * Coldfire generic GPIO pinmux 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 pinmux_h |
| #define pinmux_h |
| |
| #define MCFPINMUX_NONE -1 |
| |
| extern int mcf_pinmux_request(unsigned, unsigned); |
| extern void mcf_pinmux_release(unsigned, unsigned); |
| |
| static inline int mcf_pinmux_is_valid(unsigned pinmux) |
| { |
| return pinmux != MCFPINMUX_NONE; |
| } |
| |
| #endif |
| |