284 lines
13 KiB
C
284 lines
13 KiB
C
/*
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* Copyright 2004-2006 Freescale Semiconductor, Inc. All Rights Reserved.
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* Copyright (C) 2008 by Sascha Hauer <kernel@pengutronix.de>
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* Copyright (C) 2009 by Dmitriy Taychenachev <dimichxp@gmail.com>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*/
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#ifndef __MACH_IOMUX_MXC91231_H__
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#define __MACH_IOMUX_MXC91231_H__
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/*
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* various IOMUX output functions
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*/
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#define IOMUX_OCONFIG_GPIO (0 << 4) /* used as GPIO */
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#define IOMUX_OCONFIG_FUNC (1 << 4) /* used as function */
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#define IOMUX_OCONFIG_ALT1 (2 << 4) /* used as alternate function 1 */
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#define IOMUX_OCONFIG_ALT2 (3 << 4) /* used as alternate function 2 */
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#define IOMUX_OCONFIG_ALT3 (4 << 4) /* used as alternate function 3 */
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#define IOMUX_OCONFIG_ALT4 (5 << 4) /* used as alternate function 4 */
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#define IOMUX_OCONFIG_ALT5 (6 << 4) /* used as alternate function 5 */
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#define IOMUX_OCONFIG_ALT6 (7 << 4) /* used as alternate function 6 */
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#define IOMUX_ICONFIG_NONE 0 /* not configured for input */
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#define IOMUX_ICONFIG_GPIO 1 /* used as GPIO */
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#define IOMUX_ICONFIG_FUNC 2 /* used as function */
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#define IOMUX_ICONFIG_ALT1 4 /* used as alternate function 1 */
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#define IOMUX_ICONFIG_ALT2 8 /* used as alternate function 2 */
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#define IOMUX_CONFIG_GPIO (IOMUX_OCONFIG_GPIO | IOMUX_ICONFIG_GPIO)
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#define IOMUX_CONFIG_FUNC (IOMUX_OCONFIG_FUNC | IOMUX_ICONFIG_FUNC)
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#define IOMUX_CONFIG_ALT1 (IOMUX_OCONFIG_ALT1 | IOMUX_ICONFIG_ALT1)
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#define IOMUX_CONFIG_ALT2 (IOMUX_OCONFIG_ALT2 | IOMUX_ICONFIG_ALT2)
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/*
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* setups a single pin:
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* - reserves the pin so that it is not claimed by another driver
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* - setups the iomux according to the configuration
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* - if the pin is configured as a GPIO, we claim it through kernel gpiolib
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*/
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int mxc_iomux_alloc_pin(const unsigned int pin_mode, const char *label);
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/*
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* setups mutliple pins
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* convenient way to call the above function with tables
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*/
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int mxc_iomux_setup_multiple_pins(unsigned int *pin_list, unsigned count,
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const char *label);
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/*
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* releases a single pin:
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* - make it available for a future use by another driver
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* - frees the GPIO if the pin was configured as GPIO
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* - DOES NOT reconfigure the IOMUX in its reset state
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*/
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void mxc_iomux_release_pin(const unsigned int pin_mode);
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/*
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* releases multiple pins
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* convenvient way to call the above function with tables
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*/
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void mxc_iomux_release_multiple_pins(unsigned int *pin_list, int count);
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#define MUX_SIDE_AP (0)
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#define MUX_SIDE_SP (1)
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#define MUX_SIDE_SHIFT (26)
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#define MUX_SIDE_MASK (0x1 << MUX_SIDE_SHIFT)
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#define MUX_GPIO_PORT_SHIFT (23)
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#define MUX_GPIO_PORT_MASK (0x7 << MUX_GPIO_PORT_SHIFT)
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#define MUX_GPIO_PIN_SHIFT (20)
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#define MUX_GPIO_PIN_MASK (0x1f << MUX_GPIO_PIN_SHIFT)
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#define MUX_REG_SHIFT (15)
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#define MUX_REG_MASK (0x1f << MUX_REG_SHIFT)
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#define MUX_FIELD_SHIFT (13)
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#define MUX_FIELD_MASK (0x3 << MUX_FIELD_SHIFT)
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#define MUX_PADGRP_SHIFT (8)
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#define MUX_PADGRP_MASK (0x1f << MUX_PADGRP_SHIFT)
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#define MUX_PIN_MASK (0xffffff << 8)
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#define GPIO_PORT_MAX (3)
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#define IOMUX_PIN(side, gport, gpin, ctlreg, ctlfield, padgrp) \
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(((side) << MUX_SIDE_SHIFT) | \
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(gport << MUX_GPIO_PORT_SHIFT) | \
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((gpin) << MUX_GPIO_PIN_SHIFT) | \
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((ctlreg) << MUX_REG_SHIFT) | \
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((ctlfield) << MUX_FIELD_SHIFT) | \
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((padgrp) << MUX_PADGRP_SHIFT))
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#define MUX_MODE_OUT_SHIFT (4)
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#define MUX_MODE_IN_SHIFT (0)
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#define MUX_MODE_SHIFT (0)
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#define MUX_MODE_MASK (0xff << MUX_MODE_SHIFT)
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#define IOMUX_MODE(pin, mode) \
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(pin | (mode << MUX_MODE_SHIFT))
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enum iomux_pins {
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/* AP Side pins */
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MXC91231_PIN_AP_CLE = IOMUX_PIN(0, 0, 0, 0, 0, 24),
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MXC91231_PIN_AP_ALE = IOMUX_PIN(0, 0, 1, 0, 1, 24),
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MXC91231_PIN_AP_CE_B = IOMUX_PIN(0, 0, 2, 0, 2, 24),
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MXC91231_PIN_AP_RE_B = IOMUX_PIN(0, 0, 3, 0, 3, 24),
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MXC91231_PIN_AP_WE_B = IOMUX_PIN(0, 0, 4, 1, 0, 24),
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MXC91231_PIN_AP_WP_B = IOMUX_PIN(0, 0, 5, 1, 1, 24),
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MXC91231_PIN_AP_BSY_B = IOMUX_PIN(0, 0, 6, 1, 2, 24),
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MXC91231_PIN_AP_U1_TXD = IOMUX_PIN(0, 0, 7, 1, 3, 28),
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MXC91231_PIN_AP_U1_RXD = IOMUX_PIN(0, 0, 8, 2, 0, 28),
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MXC91231_PIN_AP_U1_RTS_B = IOMUX_PIN(0, 0, 9, 2, 1, 28),
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MXC91231_PIN_AP_U1_CTS_B = IOMUX_PIN(0, 0, 10, 2, 2, 28),
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MXC91231_PIN_AP_AD1_TXD = IOMUX_PIN(0, 0, 11, 2, 3, 9),
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MXC91231_PIN_AP_AD1_RXD = IOMUX_PIN(0, 0, 12, 3, 0, 9),
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MXC91231_PIN_AP_AD1_TXC = IOMUX_PIN(0, 0, 13, 3, 1, 9),
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MXC91231_PIN_AP_AD1_TXFS = IOMUX_PIN(0, 0, 14, 3, 2, 9),
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MXC91231_PIN_AP_AD2_TXD = IOMUX_PIN(0, 0, 15, 3, 3, 9),
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MXC91231_PIN_AP_AD2_RXD = IOMUX_PIN(0, 0, 16, 4, 0, 9),
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MXC91231_PIN_AP_AD2_TXC = IOMUX_PIN(0, 0, 17, 4, 1, 9),
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MXC91231_PIN_AP_AD2_TXFS = IOMUX_PIN(0, 0, 18, 4, 2, 9),
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MXC91231_PIN_AP_OWDAT = IOMUX_PIN(0, 0, 19, 4, 3, 28),
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MXC91231_PIN_AP_IPU_LD17 = IOMUX_PIN(0, 0, 20, 5, 0, 28),
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MXC91231_PIN_AP_IPU_D3_VSYNC = IOMUX_PIN(0, 0, 21, 5, 1, 28),
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MXC91231_PIN_AP_IPU_D3_HSYNC = IOMUX_PIN(0, 0, 22, 5, 2, 28),
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MXC91231_PIN_AP_IPU_D3_CLK = IOMUX_PIN(0, 0, 23, 5, 3, 28),
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MXC91231_PIN_AP_IPU_D3_DRDY = IOMUX_PIN(0, 0, 24, 6, 0, 28),
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MXC91231_PIN_AP_IPU_D3_CONTR = IOMUX_PIN(0, 0, 25, 6, 1, 28),
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MXC91231_PIN_AP_IPU_D0_CS = IOMUX_PIN(0, 0, 26, 6, 2, 28),
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MXC91231_PIN_AP_IPU_LD16 = IOMUX_PIN(0, 0, 27, 6, 3, 28),
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MXC91231_PIN_AP_IPU_D2_CS = IOMUX_PIN(0, 0, 28, 7, 0, 28),
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MXC91231_PIN_AP_IPU_PAR_RS = IOMUX_PIN(0, 0, 29, 7, 1, 28),
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MXC91231_PIN_AP_IPU_D3_PS = IOMUX_PIN(0, 0, 30, 7, 2, 28),
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MXC91231_PIN_AP_IPU_D3_CLS = IOMUX_PIN(0, 0, 31, 7, 3, 28),
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MXC91231_PIN_AP_IPU_RD = IOMUX_PIN(0, 1, 0, 8, 0, 28),
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MXC91231_PIN_AP_IPU_WR = IOMUX_PIN(0, 1, 1, 8, 1, 28),
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MXC91231_PIN_AP_IPU_LD0 = IOMUX_PIN(0, 7, 0, 8, 2, 28),
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MXC91231_PIN_AP_IPU_LD1 = IOMUX_PIN(0, 7, 0, 8, 3, 28),
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MXC91231_PIN_AP_IPU_LD2 = IOMUX_PIN(0, 7, 0, 9, 0, 28),
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MXC91231_PIN_AP_IPU_LD3 = IOMUX_PIN(0, 1, 2, 9, 1, 28),
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MXC91231_PIN_AP_IPU_LD4 = IOMUX_PIN(0, 1, 3, 9, 2, 28),
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MXC91231_PIN_AP_IPU_LD5 = IOMUX_PIN(0, 1, 4, 9, 3, 28),
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MXC91231_PIN_AP_IPU_LD6 = IOMUX_PIN(0, 1, 5, 10, 0, 28),
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MXC91231_PIN_AP_IPU_LD7 = IOMUX_PIN(0, 1, 6, 10, 1, 28),
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MXC91231_PIN_AP_IPU_LD8 = IOMUX_PIN(0, 1, 7, 10, 2, 28),
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MXC91231_PIN_AP_IPU_LD9 = IOMUX_PIN(0, 1, 8, 10, 3, 28),
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MXC91231_PIN_AP_IPU_LD10 = IOMUX_PIN(0, 1, 9, 11, 0, 28),
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MXC91231_PIN_AP_IPU_LD11 = IOMUX_PIN(0, 1, 10, 11, 1, 28),
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MXC91231_PIN_AP_IPU_LD12 = IOMUX_PIN(0, 1, 11, 11, 2, 28),
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MXC91231_PIN_AP_IPU_LD13 = IOMUX_PIN(0, 1, 12, 11, 3, 28),
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MXC91231_PIN_AP_IPU_LD14 = IOMUX_PIN(0, 1, 13, 12, 0, 28),
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MXC91231_PIN_AP_IPU_LD15 = IOMUX_PIN(0, 1, 14, 12, 1, 28),
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MXC91231_PIN_AP_KPROW4 = IOMUX_PIN(0, 7, 0, 12, 2, 10),
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MXC91231_PIN_AP_KPROW5 = IOMUX_PIN(0, 1, 16, 12, 3, 10),
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MXC91231_PIN_AP_GPIO_AP_B17 = IOMUX_PIN(0, 1, 17, 13, 0, 10),
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MXC91231_PIN_AP_GPIO_AP_B18 = IOMUX_PIN(0, 1, 18, 13, 1, 10),
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MXC91231_PIN_AP_KPCOL3 = IOMUX_PIN(0, 1, 19, 13, 2, 11),
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MXC91231_PIN_AP_KPCOL4 = IOMUX_PIN(0, 1, 20, 13, 3, 11),
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MXC91231_PIN_AP_KPCOL5 = IOMUX_PIN(0, 1, 21, 14, 0, 11),
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MXC91231_PIN_AP_GPIO_AP_B22 = IOMUX_PIN(0, 1, 22, 14, 1, 11),
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MXC91231_PIN_AP_GPIO_AP_B23 = IOMUX_PIN(0, 1, 23, 14, 2, 11),
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MXC91231_PIN_AP_CSI_D0 = IOMUX_PIN(0, 1, 24, 14, 3, 21),
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MXC91231_PIN_AP_CSI_D1 = IOMUX_PIN(0, 1, 25, 15, 0, 21),
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MXC91231_PIN_AP_CSI_D2 = IOMUX_PIN(0, 1, 26, 15, 1, 21),
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MXC91231_PIN_AP_CSI_D3 = IOMUX_PIN(0, 1, 27, 15, 2, 21),
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MXC91231_PIN_AP_CSI_D4 = IOMUX_PIN(0, 1, 28, 15, 3, 21),
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MXC91231_PIN_AP_CSI_D5 = IOMUX_PIN(0, 1, 29, 16, 0, 21),
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MXC91231_PIN_AP_CSI_D6 = IOMUX_PIN(0, 1, 30, 16, 1, 21),
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MXC91231_PIN_AP_CSI_D7 = IOMUX_PIN(0, 1, 31, 16, 2, 21),
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MXC91231_PIN_AP_CSI_D8 = IOMUX_PIN(0, 2, 0, 16, 3, 21),
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MXC91231_PIN_AP_CSI_D9 = IOMUX_PIN(0, 2, 1, 17, 0, 21),
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MXC91231_PIN_AP_CSI_MCLK = IOMUX_PIN(0, 2, 2, 17, 1, 21),
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MXC91231_PIN_AP_CSI_VSYNC = IOMUX_PIN(0, 2, 3, 17, 2, 21),
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MXC91231_PIN_AP_CSI_HSYNC = IOMUX_PIN(0, 2, 4, 17, 3, 21),
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MXC91231_PIN_AP_CSI_PIXCLK = IOMUX_PIN(0, 2, 5, 18, 0, 21),
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MXC91231_PIN_AP_I2CLK = IOMUX_PIN(0, 2, 6, 18, 1, 12),
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MXC91231_PIN_AP_I2DAT = IOMUX_PIN(0, 2, 7, 18, 2, 12),
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MXC91231_PIN_AP_GPIO_AP_C8 = IOMUX_PIN(0, 2, 8, 18, 3, 9),
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MXC91231_PIN_AP_GPIO_AP_C9 = IOMUX_PIN(0, 2, 9, 19, 0, 9),
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MXC91231_PIN_AP_GPIO_AP_C10 = IOMUX_PIN(0, 2, 10, 19, 1, 9),
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MXC91231_PIN_AP_GPIO_AP_C11 = IOMUX_PIN(0, 2, 11, 19, 2, 9),
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MXC91231_PIN_AP_GPIO_AP_C12 = IOMUX_PIN(0, 2, 12, 19, 3, 9),
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MXC91231_PIN_AP_GPIO_AP_C13 = IOMUX_PIN(0, 2, 13, 20, 0, 28),
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MXC91231_PIN_AP_GPIO_AP_C14 = IOMUX_PIN(0, 2, 14, 20, 1, 28),
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MXC91231_PIN_AP_GPIO_AP_C15 = IOMUX_PIN(0, 2, 15, 20, 2, 9),
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MXC91231_PIN_AP_GPIO_AP_C16 = IOMUX_PIN(0, 2, 16, 20, 3, 9),
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MXC91231_PIN_AP_GPIO_AP_C17 = IOMUX_PIN(0, 2, 17, 21, 0, 9),
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MXC91231_PIN_AP_ED_INT0 = IOMUX_PIN(0, 2, 18, 21, 1, 22),
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MXC91231_PIN_AP_ED_INT1 = IOMUX_PIN(0, 2, 19, 21, 2, 22),
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MXC91231_PIN_AP_ED_INT2 = IOMUX_PIN(0, 2, 20, 21, 3, 22),
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MXC91231_PIN_AP_ED_INT3 = IOMUX_PIN(0, 2, 21, 22, 0, 22),
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MXC91231_PIN_AP_ED_INT4 = IOMUX_PIN(0, 2, 22, 22, 1, 23),
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MXC91231_PIN_AP_ED_INT5 = IOMUX_PIN(0, 2, 23, 22, 2, 23),
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MXC91231_PIN_AP_ED_INT6 = IOMUX_PIN(0, 2, 24, 22, 3, 23),
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MXC91231_PIN_AP_ED_INT7 = IOMUX_PIN(0, 2, 25, 23, 0, 23),
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MXC91231_PIN_AP_U2_DSR_B = IOMUX_PIN(0, 2, 26, 23, 1, 28),
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MXC91231_PIN_AP_U2_RI_B = IOMUX_PIN(0, 2, 27, 23, 2, 28),
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MXC91231_PIN_AP_U2_CTS_B = IOMUX_PIN(0, 2, 28, 23, 3, 28),
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MXC91231_PIN_AP_U2_DTR_B = IOMUX_PIN(0, 2, 29, 24, 0, 28),
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MXC91231_PIN_AP_KPROW0 = IOMUX_PIN(0, 7, 0, 24, 1, 10),
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MXC91231_PIN_AP_KPROW1 = IOMUX_PIN(0, 1, 15, 24, 2, 10),
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MXC91231_PIN_AP_KPROW2 = IOMUX_PIN(0, 7, 0, 24, 3, 10),
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MXC91231_PIN_AP_KPROW3 = IOMUX_PIN(0, 7, 0, 25, 0, 10),
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MXC91231_PIN_AP_KPCOL0 = IOMUX_PIN(0, 7, 0, 25, 1, 11),
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MXC91231_PIN_AP_KPCOL1 = IOMUX_PIN(0, 7, 0, 25, 2, 11),
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MXC91231_PIN_AP_KPCOL2 = IOMUX_PIN(0, 7, 0, 25, 3, 11),
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/* Shared pins */
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MXC91231_PIN_SP_U3_TXD = IOMUX_PIN(1, 3, 0, 0, 0, 28),
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MXC91231_PIN_SP_U3_RXD = IOMUX_PIN(1, 3, 1, 0, 1, 28),
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MXC91231_PIN_SP_U3_RTS_B = IOMUX_PIN(1, 3, 2, 0, 2, 28),
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MXC91231_PIN_SP_U3_CTS_B = IOMUX_PIN(1, 3, 3, 0, 3, 28),
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MXC91231_PIN_SP_USB_TXOE_B = IOMUX_PIN(1, 3, 4, 1, 0, 28),
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MXC91231_PIN_SP_USB_DAT_VP = IOMUX_PIN(1, 3, 5, 1, 1, 28),
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MXC91231_PIN_SP_USB_SE0_VM = IOMUX_PIN(1, 3, 6, 1, 2, 28),
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MXC91231_PIN_SP_USB_RXD = IOMUX_PIN(1, 3, 7, 1, 3, 28),
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MXC91231_PIN_SP_UH2_TXOE_B = IOMUX_PIN(1, 3, 8, 2, 0, 28),
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MXC91231_PIN_SP_UH2_SPEED = IOMUX_PIN(1, 3, 9, 2, 1, 28),
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MXC91231_PIN_SP_UH2_SUSPEN = IOMUX_PIN(1, 3, 10, 2, 2, 28),
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MXC91231_PIN_SP_UH2_TXDP = IOMUX_PIN(1, 3, 11, 2, 3, 28),
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MXC91231_PIN_SP_UH2_RXDP = IOMUX_PIN(1, 3, 12, 3, 0, 28),
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MXC91231_PIN_SP_UH2_RXDM = IOMUX_PIN(1, 3, 13, 3, 1, 28),
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MXC91231_PIN_SP_UH2_OVR = IOMUX_PIN(1, 3, 14, 3, 2, 28),
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MXC91231_PIN_SP_UH2_PWR = IOMUX_PIN(1, 3, 15, 3, 3, 28),
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MXC91231_PIN_SP_SD1_DAT0 = IOMUX_PIN(1, 3, 16, 4, 0, 25),
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MXC91231_PIN_SP_SD1_DAT1 = IOMUX_PIN(1, 3, 17, 4, 1, 25),
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MXC91231_PIN_SP_SD1_DAT2 = IOMUX_PIN(1, 3, 18, 4, 2, 25),
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MXC91231_PIN_SP_SD1_DAT3 = IOMUX_PIN(1, 3, 19, 4, 3, 25),
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MXC91231_PIN_SP_SD1_CMD = IOMUX_PIN(1, 3, 20, 5, 0, 25),
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MXC91231_PIN_SP_SD1_CLK = IOMUX_PIN(1, 3, 21, 5, 1, 25),
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MXC91231_PIN_SP_SD2_DAT0 = IOMUX_PIN(1, 3, 22, 5, 2, 26),
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MXC91231_PIN_SP_SD2_DAT1 = IOMUX_PIN(1, 3, 23, 5, 3, 26),
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MXC91231_PIN_SP_SD2_DAT2 = IOMUX_PIN(1, 3, 24, 6, 0, 26),
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MXC91231_PIN_SP_SD2_DAT3 = IOMUX_PIN(1, 3, 25, 6, 1, 26),
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MXC91231_PIN_SP_GPIO_SP_A26 = IOMUX_PIN(1, 3, 26, 6, 2, 28),
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MXC91231_PIN_SP_SPI1_CLK = IOMUX_PIN(1, 3, 27, 6, 3, 13),
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MXC91231_PIN_SP_SPI1_MOSI = IOMUX_PIN(1, 3, 28, 7, 0, 13),
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MXC91231_PIN_SP_SPI1_MISO = IOMUX_PIN(1, 3, 29, 7, 1, 13),
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MXC91231_PIN_SP_SPI1_SS0 = IOMUX_PIN(1, 3, 30, 7, 2, 13),
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MXC91231_PIN_SP_SPI1_SS1 = IOMUX_PIN(1, 3, 31, 7, 3, 13),
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MXC91231_PIN_SP_SD2_CMD = IOMUX_PIN(1, 7, 0, 8, 0, 26),
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MXC91231_PIN_SP_SD2_CLK = IOMUX_PIN(1, 7, 0, 8, 1, 26),
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MXC91231_PIN_SP_SIM1_RST_B = IOMUX_PIN(1, 2, 30, 8, 2, 28),
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MXC91231_PIN_SP_SIM1_SVEN = IOMUX_PIN(1, 7, 0, 8, 3, 28),
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MXC91231_PIN_SP_SIM1_CLK = IOMUX_PIN(1, 7, 0, 9, 0, 28),
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MXC91231_PIN_SP_SIM1_TRXD = IOMUX_PIN(1, 7, 0, 9, 1, 28),
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MXC91231_PIN_SP_SIM1_PD = IOMUX_PIN(1, 2, 31, 9, 2, 28),
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MXC91231_PIN_SP_UH2_TXDM = IOMUX_PIN(1, 7, 0, 9, 3, 28),
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MXC91231_PIN_SP_UH2_RXD = IOMUX_PIN(1, 7, 0, 10, 0, 28),
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};
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#define PIN_AP_MAX (104)
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#define PIN_SP_MAX (41)
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#define PIN_MAX (PIN_AP_MAX + PIN_SP_MAX)
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/*
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* Convenience values for use with mxc_iomux_mode()
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*
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* Format here is MXC91231_PIN_(pin name)__(function)
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*/
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#define MXC91231_PIN_SP_USB_DAT_VP__USB_DAT_VP \
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IOMUX_MODE(MXC91231_PIN_SP_USB_DAT_VP, IOMUX_CONFIG_FUNC)
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#define MXC91231_PIN_SP_USB_SE0_VM__USB_SE0_VM \
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IOMUX_MODE(MXC91231_PIN_SP_USB_SE0_VM, IOMUX_CONFIG_FUNC)
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#define MXC91231_PIN_SP_USB_DAT_VP__RXD2 \
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IOMUX_MODE(MXC91231_PIN_SP_USB_DAT_VP, IOMUX_CONFIG_ALT1)
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#define MXC91231_PIN_SP_USB_SE0_VM__TXD2 \
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IOMUX_MODE(MXC91231_PIN_SP_USB_SE0_VM, IOMUX_CONFIG_ALT1)
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#endif /* __MACH_IOMUX_MXC91231_H__ */
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