1 /*
2  * Copyright (C) 2008 by Sascha Hauer <kernel@pengutronix.de>
3  * Copyright (C) 2009 by Holger Schurig <hs4233@mail.mn-solutions.de>
4  *
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.
13  *
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,
17  * MA 02110-1301, USA.
18  */
19 #ifndef __MACH_IOMUX_V1_H__
20 #define __MACH_IOMUX_V1_H__
21 
22 /*
23 *  GPIO Module and I/O Multiplexer
24 *  x = 0..3 for reg_A, reg_B, reg_C, reg_D
25 */
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))
43 
44 #define MX1_NUM_GPIO_PORT	4
45 #define MX21_NUM_GPIO_PORT	6
46 #define MX27_NUM_GPIO_PORT	6
47 
48 #define GPIO_PIN_MASK 0x1f
49 
50 #define GPIO_PORT_SHIFT 5
51 #define GPIO_PORT_MASK (0x7 << GPIO_PORT_SHIFT)
52 
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)
59 
60 #define GPIO_OUT	(1 << 8)
61 #define GPIO_IN		(0 << 8)
62 #define GPIO_PUEN	(1 << 9)
63 
64 #define GPIO_PF		(1 << 10)
65 #define GPIO_AF		(1 << 11)
66 
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)
73 
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)
80 
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)
87 
88 #define IRQ_GPIOA(x)  (MXC_GPIO_IRQ_START + x)
89 #define IRQ_GPIOB(x)  (IRQ_GPIOA(32) + x)
90 #define IRQ_GPIOC(x)  (IRQ_GPIOB(32) + x)
91 #define IRQ_GPIOD(x)  (IRQ_GPIOC(32) + x)
92 #define IRQ_GPIOE(x)  (IRQ_GPIOD(32) + x)
93 #define IRQ_GPIOF(x)  (IRQ_GPIOE(32) + x)
94 
95 extern int mxc_gpio_mode(int gpio_mode);
96 extern int mxc_gpio_setup_multiple_pins(const int *pin_list, unsigned count,
97 		const char *label);
98 
99 extern int imx_iomuxv1_init(void __iomem *base, int numports);
100 
101 #endif /* __MACH_IOMUX_V1_H__ */
102