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/* decode irq number to use with IMR(x), ISR(x) and friends */ 89#define IRQ_TO_REG(irq) ((irq - MXC_INTERNAL_IRQS) >> 5) 90 91#define IRQ_GPIOA(x) (MXC_GPIO_IRQ_START + x) 92#define IRQ_GPIOB(x) (IRQ_GPIOA(32) + x) 93#define IRQ_GPIOC(x) (IRQ_GPIOB(32) + x) 94#define IRQ_GPIOD(x) (IRQ_GPIOC(32) + x) 95#define IRQ_GPIOE(x) (IRQ_GPIOD(32) + x) 96#define IRQ_GPIOF(x) (IRQ_GPIOE(32) + x) 97 98extern int mxc_gpio_mode(int gpio_mode); 99extern int mxc_gpio_setup_multiple_pins(const int *pin_list, unsigned count, 100 const char *label); 101extern void mxc_gpio_release_multiple_pins(const int *pin_list, int count); 102 103#endif /* __MACH_IOMUX_V1_H__ */ 104