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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 29
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 */