LXR linux/arch/arm/mach-imx/iomux-v1.h

   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
  88extern int mxc_gpio_mode(int gpio_mode);
  89extern int mxc_gpio_setup_multiple_pins(const int *pin_list, unsigned count,
  90                const char *label);
  91
  92extern int imx_iomuxv1_init(void __iomem *base, int numports);
  93
  94#endif /* __MACH_IOMUX_V1_H__ */
  95