Holger Schurig | ccfe30a | 2009-01-29 10:07:50 +0100 | [diff] [blame] | 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 | |
| 20 | #ifndef _MXC_IOMUX_H |
| 21 | #define _MXC_IOMUX_H |
| 22 | |
| 23 | /* |
| 24 | * GPIO Module and I/O Multiplexer |
| 25 | * x = 0..3 for reg_A, reg_B, reg_C, reg_D |
| 26 | */ |
| 27 | #define VA_GPIO_BASE IO_ADDRESS(GPIO_BASE_ADDR) |
| 28 | #define MXC_DDIR(x) (0x00 + ((x) << 8)) |
| 29 | #define MXC_OCR1(x) (0x04 + ((x) << 8)) |
| 30 | #define MXC_OCR2(x) (0x08 + ((x) << 8)) |
| 31 | #define MXC_ICONFA1(x) (0x0c + ((x) << 8)) |
| 32 | #define MXC_ICONFA2(x) (0x10 + ((x) << 8)) |
| 33 | #define MXC_ICONFB1(x) (0x14 + ((x) << 8)) |
| 34 | #define MXC_ICONFB2(x) (0x18 + ((x) << 8)) |
| 35 | #define MXC_DR(x) (0x1c + ((x) << 8)) |
| 36 | #define MXC_GIUS(x) (0x20 + ((x) << 8)) |
| 37 | #define MXC_SSR(x) (0x24 + ((x) << 8)) |
| 38 | #define MXC_ICR1(x) (0x28 + ((x) << 8)) |
| 39 | #define MXC_ICR2(x) (0x2c + ((x) << 8)) |
| 40 | #define MXC_IMR(x) (0x30 + ((x) << 8)) |
| 41 | #define MXC_ISR(x) (0x34 + ((x) << 8)) |
| 42 | #define MXC_GPR(x) (0x38 + ((x) << 8)) |
| 43 | #define MXC_SWR(x) (0x3c + ((x) << 8)) |
| 44 | #define MXC_PUEN(x) (0x40 + ((x) << 8)) |
| 45 | |
| 46 | #ifdef CONFIG_ARCH_MX1 |
| 47 | # define GPIO_PORT_MAX 3 |
| 48 | #endif |
| 49 | #ifdef CONFIG_ARCH_MX2 |
| 50 | # define GPIO_PORT_MAX 5 |
| 51 | #endif |
Lothar Waßmann | 8e5be21 | 2009-07-15 15:19:34 +0200 | [diff] [blame] | 52 | #ifdef CONFIG_ARCH_MX25 |
| 53 | # define GPIO_PORT_MAX 3 |
| 54 | #endif |
Holger Schurig | ccfe30a | 2009-01-29 10:07:50 +0100 | [diff] [blame] | 55 | |
| 56 | #ifndef GPIO_PORT_MAX |
| 57 | # error "GPIO config port count unknown!" |
| 58 | #endif |
| 59 | |
| 60 | #define GPIO_PIN_MASK 0x1f |
| 61 | |
| 62 | #define GPIO_PORT_SHIFT 5 |
| 63 | #define GPIO_PORT_MASK (0x7 << GPIO_PORT_SHIFT) |
| 64 | |
| 65 | #define GPIO_PORTA (0 << GPIO_PORT_SHIFT) |
| 66 | #define GPIO_PORTB (1 << GPIO_PORT_SHIFT) |
| 67 | #define GPIO_PORTC (2 << GPIO_PORT_SHIFT) |
| 68 | #define GPIO_PORTD (3 << GPIO_PORT_SHIFT) |
| 69 | #define GPIO_PORTE (4 << GPIO_PORT_SHIFT) |
| 70 | #define GPIO_PORTF (5 << GPIO_PORT_SHIFT) |
| 71 | |
| 72 | #define GPIO_OUT (1 << 8) |
| 73 | #define GPIO_IN (0 << 8) |
| 74 | #define GPIO_PUEN (1 << 9) |
| 75 | |
| 76 | #define GPIO_PF (1 << 10) |
| 77 | #define GPIO_AF (1 << 11) |
| 78 | |
| 79 | #define GPIO_OCR_SHIFT 12 |
| 80 | #define GPIO_OCR_MASK (3 << GPIO_OCR_SHIFT) |
| 81 | #define GPIO_AIN (0 << GPIO_OCR_SHIFT) |
| 82 | #define GPIO_BIN (1 << GPIO_OCR_SHIFT) |
| 83 | #define GPIO_CIN (2 << GPIO_OCR_SHIFT) |
| 84 | #define GPIO_GPIO (3 << GPIO_OCR_SHIFT) |
| 85 | |
| 86 | #define GPIO_AOUT_SHIFT 14 |
| 87 | #define GPIO_AOUT_MASK (3 << GPIO_AOUT_SHIFT) |
| 88 | #define GPIO_AOUT (0 << GPIO_AOUT_SHIFT) |
| 89 | #define GPIO_AOUT_ISR (1 << GPIO_AOUT_SHIFT) |
| 90 | #define GPIO_AOUT_0 (2 << GPIO_AOUT_SHIFT) |
| 91 | #define GPIO_AOUT_1 (3 << GPIO_AOUT_SHIFT) |
| 92 | |
| 93 | #define GPIO_BOUT_SHIFT 16 |
| 94 | #define GPIO_BOUT_MASK (3 << GPIO_BOUT_SHIFT) |
| 95 | #define GPIO_BOUT (0 << GPIO_BOUT_SHIFT) |
| 96 | #define GPIO_BOUT_ISR (1 << GPIO_BOUT_SHIFT) |
| 97 | #define GPIO_BOUT_0 (2 << GPIO_BOUT_SHIFT) |
| 98 | #define GPIO_BOUT_1 (3 << GPIO_BOUT_SHIFT) |
| 99 | |
| 100 | |
| 101 | #ifdef CONFIG_ARCH_MX1 |
| 102 | #include <mach/iomux-mx1.h> |
| 103 | #endif |
| 104 | #ifdef CONFIG_ARCH_MX2 |
| 105 | #include <mach/iomux-mx2x.h> |
| 106 | #ifdef CONFIG_MACH_MX21 |
| 107 | #include <mach/iomux-mx21.h> |
| 108 | #endif |
| 109 | #ifdef CONFIG_MACH_MX27 |
| 110 | #include <mach/iomux-mx27.h> |
| 111 | #endif |
| 112 | #endif |
Lothar Waßmann | 8e5be21 | 2009-07-15 15:19:34 +0200 | [diff] [blame] | 113 | #ifdef CONFIG_ARCH_MX25 |
| 114 | #include <mach/iomux-mx25.h> |
| 115 | #endif |
Holger Schurig | ccfe30a | 2009-01-29 10:07:50 +0100 | [diff] [blame] | 116 | |
| 117 | |
| 118 | /* decode irq number to use with IMR(x), ISR(x) and friends */ |
| 119 | #define IRQ_TO_REG(irq) ((irq - MXC_INTERNAL_IRQS) >> 5) |
| 120 | |
| 121 | #define IRQ_GPIOA(x) (MXC_GPIO_IRQ_START + x) |
| 122 | #define IRQ_GPIOB(x) (IRQ_GPIOA(32) + x) |
| 123 | #define IRQ_GPIOC(x) (IRQ_GPIOB(32) + x) |
| 124 | #define IRQ_GPIOD(x) (IRQ_GPIOC(32) + x) |
| 125 | #define IRQ_GPIOE(x) (IRQ_GPIOD(32) + x) |
| 126 | |
| 127 | |
| 128 | extern void mxc_gpio_mode(int gpio_mode); |
| 129 | extern int mxc_gpio_setup_multiple_pins(const int *pin_list, unsigned count, |
| 130 | const char *label); |
| 131 | extern void mxc_gpio_release_multiple_pins(const int *pin_list, int count); |
| 132 | |
| 133 | #endif |