diff options
Diffstat (limited to 'arch/m68k/include/asm/pinmux.h')
| -rw-r--r-- | arch/m68k/include/asm/pinmux.h | 30 |
1 files changed, 30 insertions, 0 deletions
diff --git a/arch/m68k/include/asm/pinmux.h b/arch/m68k/include/asm/pinmux.h new file mode 100644 index 00000000000..119ee686dbd --- /dev/null +++ b/arch/m68k/include/asm/pinmux.h @@ -0,0 +1,30 @@ +/* + * 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 + |