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git.proxmox.com Git - mirror_ubuntu-artful-kernel.git/blob - arch/arm/mach-imx/iomux-v1.h
2 * Copyright (C) 2008 by Sascha Hauer <kernel@pengutronix.de>
3 * Copyright (C) 2009 by Holger Schurig <hs4233@mail.mn-solutions.de>
5 * This program is free software; you can redistribute it and/or
6 * modify it under the terms of the GNU General Public License
7 * as published by the Free Software Foundation; either version 2
8 * of the License, or (at your option) any later version.
9 * This program is distributed in the hope that it will be useful,
10 * but WITHOUT ANY WARRANTY; without even the implied warranty of
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 * GNU General Public License for more details.
14 * You should have received a copy of the GNU General Public License
15 * along with this program; if not, write to the Free Software
16 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
19 #ifndef __MACH_IOMUX_V1_H__
20 #define __MACH_IOMUX_V1_H__
23 * GPIO Module and I/O Multiplexer
24 * x = 0..3 for reg_A, reg_B, reg_C, reg_D
26 #define MXC_DDIR(x) (0x00 + ((x) << 8))
27 #define MXC_OCR1(x) (0x04 + ((x) << 8))
28 #define MXC_OCR2(x) (0x08 + ((x) << 8))
29 #define MXC_ICONFA1(x) (0x0c + ((x) << 8))
30 #define MXC_ICONFA2(x) (0x10 + ((x) << 8))
31 #define MXC_ICONFB1(x) (0x14 + ((x) << 8))
32 #define MXC_ICONFB2(x) (0x18 + ((x) << 8))
33 #define MXC_DR(x) (0x1c + ((x) << 8))
34 #define MXC_GIUS(x) (0x20 + ((x) << 8))
35 #define MXC_SSR(x) (0x24 + ((x) << 8))
36 #define MXC_ICR1(x) (0x28 + ((x) << 8))
37 #define MXC_ICR2(x) (0x2c + ((x) << 8))
38 #define MXC_IMR(x) (0x30 + ((x) << 8))
39 #define MXC_ISR(x) (0x34 + ((x) << 8))
40 #define MXC_GPR(x) (0x38 + ((x) << 8))
41 #define MXC_SWR(x) (0x3c + ((x) << 8))
42 #define MXC_PUEN(x) (0x40 + ((x) << 8))
44 #define MX1_NUM_GPIO_PORT 4
45 #define MX21_NUM_GPIO_PORT 6
46 #define MX27_NUM_GPIO_PORT 6
48 #define GPIO_PIN_MASK 0x1f
50 #define GPIO_PORT_SHIFT 5
51 #define GPIO_PORT_MASK (0x7 << GPIO_PORT_SHIFT)
53 #define GPIO_PORTA (0 << GPIO_PORT_SHIFT)
54 #define GPIO_PORTB (1 << GPIO_PORT_SHIFT)
55 #define GPIO_PORTC (2 << GPIO_PORT_SHIFT)
56 #define GPIO_PORTD (3 << GPIO_PORT_SHIFT)
57 #define GPIO_PORTE (4 << GPIO_PORT_SHIFT)
58 #define GPIO_PORTF (5 << GPIO_PORT_SHIFT)
60 #define GPIO_OUT (1 << 8)
61 #define GPIO_IN (0 << 8)
62 #define GPIO_PUEN (1 << 9)
64 #define GPIO_PF (1 << 10)
65 #define GPIO_AF (1 << 11)
67 #define GPIO_OCR_SHIFT 12
68 #define GPIO_OCR_MASK (3 << GPIO_OCR_SHIFT)
69 #define GPIO_AIN (0 << GPIO_OCR_SHIFT)
70 #define GPIO_BIN (1 << GPIO_OCR_SHIFT)
71 #define GPIO_CIN (2 << GPIO_OCR_SHIFT)
72 #define GPIO_GPIO (3 << GPIO_OCR_SHIFT)
74 #define GPIO_AOUT_SHIFT 14
75 #define GPIO_AOUT_MASK (3 << GPIO_AOUT_SHIFT)
76 #define GPIO_AOUT (0 << GPIO_AOUT_SHIFT)
77 #define GPIO_AOUT_ISR (1 << GPIO_AOUT_SHIFT)
78 #define GPIO_AOUT_0 (2 << GPIO_AOUT_SHIFT)
79 #define GPIO_AOUT_1 (3 << GPIO_AOUT_SHIFT)
81 #define GPIO_BOUT_SHIFT 16
82 #define GPIO_BOUT_MASK (3 << GPIO_BOUT_SHIFT)
83 #define GPIO_BOUT (0 << GPIO_BOUT_SHIFT)
84 #define GPIO_BOUT_ISR (1 << GPIO_BOUT_SHIFT)
85 #define GPIO_BOUT_0 (2 << GPIO_BOUT_SHIFT)
86 #define GPIO_BOUT_1 (3 << GPIO_BOUT_SHIFT)
88 extern int mxc_gpio_mode(int gpio_mode
);
89 extern int mxc_gpio_setup_multiple_pins(const int *pin_list
, unsigned count
,
92 extern int imx_iomuxv1_init(void __iomem
*base
, int numports
);
94 #endif /* __MACH_IOMUX_V1_H__ */