| Linus Walleij | 9c587c0 | 2011-08-22 08:45:15 +0100 | [diff] [blame] | 1 | /* |
| 2 | * Author: Kevin Wells <kevin.wells@nxp.com> |
| 3 | * |
| 4 | * Copyright (C) 2010 NXP Semiconductors |
| 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; either version 2 of the License, or |
| 9 | * (at your option) any later version. |
| 10 | * |
| 11 | * This program is distributed in the hope that it will be useful, |
| 12 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 13 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 14 | * GNU General Public License for more details. |
| 15 | */ |
| 16 | |
| 17 | #ifndef __MACH_GPIO_LPC32XX_H |
| 18 | #define __MACH_GPIO_LPC32XX_H |
| 19 | |
| 20 | /* |
| 21 | * Note! |
| 22 | * Muxed GP pins need to be setup to the GP state in the board level |
| 23 | * code prior to using this driver. |
| 24 | * GPI pins : 28xP3 group |
| 25 | * GPO pins : 24xP3 group |
| 26 | * GPIO pins: 8xP0 group, 24xP1 group, 13xP2 group, 6xP3 group |
| 27 | */ |
| 28 | |
| 29 | #define LPC32XX_GPIO_P0_MAX 8 |
| 30 | #define LPC32XX_GPIO_P1_MAX 24 |
| 31 | #define LPC32XX_GPIO_P2_MAX 13 |
| 32 | #define LPC32XX_GPIO_P3_MAX 6 |
| 33 | #define LPC32XX_GPI_P3_MAX 28 |
| 34 | #define LPC32XX_GPO_P3_MAX 24 |
| 35 | |
| 36 | #define LPC32XX_GPIO_P0_GRP 0 |
| 37 | #define LPC32XX_GPIO_P1_GRP (LPC32XX_GPIO_P0_GRP + LPC32XX_GPIO_P0_MAX) |
| 38 | #define LPC32XX_GPIO_P2_GRP (LPC32XX_GPIO_P1_GRP + LPC32XX_GPIO_P1_MAX) |
| 39 | #define LPC32XX_GPIO_P3_GRP (LPC32XX_GPIO_P2_GRP + LPC32XX_GPIO_P2_MAX) |
| 40 | #define LPC32XX_GPI_P3_GRP (LPC32XX_GPIO_P3_GRP + LPC32XX_GPIO_P3_MAX) |
| 41 | #define LPC32XX_GPO_P3_GRP (LPC32XX_GPI_P3_GRP + LPC32XX_GPI_P3_MAX) |
| 42 | |
| 43 | /* |
| 44 | * A specific GPIO can be selected with this macro |
| 45 | * ie, GPIO_05 can be selected with LPC32XX_GPIO(LPC32XX_GPIO_P3_GRP, 5) |
| 46 | * See the LPC32x0 User's guide for GPIO group numbers |
| 47 | */ |
| 48 | #define LPC32XX_GPIO(x, y) ((x) + (y)) |
| 49 | |
| 50 | #endif /* __MACH_GPIO_LPC32XX_H */ |