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 */ 51