diff options
| author | Paul Mundt <lethal@linux-sh.org> | 2011-11-04 23:15:29 +0900 |
|---|---|---|
| committer | Paul Mundt <lethal@linux-sh.org> | 2011-11-04 23:15:29 +0900 |
| commit | d63638440cfad75fb339fd1261bea0485c7c3ecc (patch) | |
| tree | d1705ceeef82eb0b7b58f9503a472be810f418f2 /arch/arm/mach-lpc32xx/include/mach/gpio-lpc32xx.h | |
| parent | f1e0477a7b7a541f51eea279910eed4ddd010033 (diff) | |
| parent | 1a67a573b8d9f02211f36fbab50f6265dc49384a (diff) | |
Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux into rmobile-latest
Diffstat (limited to 'arch/arm/mach-lpc32xx/include/mach/gpio-lpc32xx.h')
| -rw-r--r-- | arch/arm/mach-lpc32xx/include/mach/gpio-lpc32xx.h | 50 |
1 files changed, 50 insertions, 0 deletions
diff --git a/arch/arm/mach-lpc32xx/include/mach/gpio-lpc32xx.h b/arch/arm/mach-lpc32xx/include/mach/gpio-lpc32xx.h new file mode 100644 index 000000000000..1816e22a3479 --- /dev/null +++ b/arch/arm/mach-lpc32xx/include/mach/gpio-lpc32xx.h @@ -0,0 +1,50 @@ +/* + * Author: Kevin Wells <kevin.wells@nxp.com> + * + * Copyright (C) 2010 NXP Semiconductors + * + * 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; either version 2 of the License, or + * (at your option) any later version. + * + * 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 __MACH_GPIO_LPC32XX_H +#define __MACH_GPIO_LPC32XX_H + +/* + * Note! + * Muxed GP pins need to be setup to the GP state in the board level + * code prior to using this driver. + * GPI pins : 28xP3 group + * GPO pins : 24xP3 group + * GPIO pins: 8xP0 group, 24xP1 group, 13xP2 group, 6xP3 group + */ + +#define LPC32XX_GPIO_P0_MAX 8 +#define LPC32XX_GPIO_P1_MAX 24 +#define LPC32XX_GPIO_P2_MAX 13 +#define LPC32XX_GPIO_P3_MAX 6 +#define LPC32XX_GPI_P3_MAX 28 +#define LPC32XX_GPO_P3_MAX 24 + +#define LPC32XX_GPIO_P0_GRP 0 +#define LPC32XX_GPIO_P1_GRP (LPC32XX_GPIO_P0_GRP + LPC32XX_GPIO_P0_MAX) +#define LPC32XX_GPIO_P2_GRP (LPC32XX_GPIO_P1_GRP + LPC32XX_GPIO_P1_MAX) +#define LPC32XX_GPIO_P3_GRP (LPC32XX_GPIO_P2_GRP + LPC32XX_GPIO_P2_MAX) +#define LPC32XX_GPI_P3_GRP (LPC32XX_GPIO_P3_GRP + LPC32XX_GPIO_P3_MAX) +#define LPC32XX_GPO_P3_GRP (LPC32XX_GPI_P3_GRP + LPC32XX_GPI_P3_MAX) + +/* + * A specific GPIO can be selected with this macro + * ie, GPIO_05 can be selected with LPC32XX_GPIO(LPC32XX_GPIO_P3_GRP, 5) + * See the LPC32x0 User's guide for GPIO group numbers + */ +#define LPC32XX_GPIO(x, y) ((x) + (y)) + +#endif /* __MACH_GPIO_LPC32XX_H */ |