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git.proxmox.com Git - mirror_ubuntu-artful-kernel.git/blob - include/linux/platform_data/gpio-lpc32xx.h
2 * Author: Kevin Wells <kevin.wells@nxp.com>
4 * Copyright (C) 2010 NXP Semiconductors
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.
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.
17 #ifndef __MACH_GPIO_LPC32XX_H
18 #define __MACH_GPIO_LPC32XX_H
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
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
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)
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
48 #define LPC32XX_GPIO(x, y) ((x) + (y))
50 #endif /* __MACH_GPIO_LPC32XX_H */