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9c587c05 LW |
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 | |
8e4b97e3 | 33 | #define LPC32XX_GPI_P3_MAX 29 |
9c587c05 LW |
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 */ |