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 98 extern int mxc_gpio_mode(int gpio_mode); 99 extern int mxc_gpio_setup_multiple_pins(const int *pin_list, unsigned count, 100 const char *label); 101 extern void mxc_gpio_release_multiple_pins(const int *pin_list, int count); 102 103 extern int __init imx_iomuxv1_init(void __iomem *base, int numports); 104 105 #endif /* __MACH_IOMUX_V1_H__ */ 106